LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS35F-05925.
Contents
Read this first: Important safety
information . . . . . . . . . . . . . . . . iii
Before using this manual . . . . . . . . . . . . iii
Service and upgrades . . . . . . . . . . . . . iii
Appendix B. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 109
Appendix C. Regulatory information
of countries and regions . . . . . . . . 111
Appendix D. WEEE and recycling
information of countries and
regions . . . . . . . . . . . . . . . . . 115
Appendix E. Restriction of
Hazardous Substances (RoHS) Directive
of countries and regions . . . . . . . . 119
Appendix F. ENERGY STAR model
information . . . . . . . . . . . . . . . 121
Appendix G. Notices. . . . . . . . . . 123
Appendix H. Trademarks . . . . . . . 125
iiP320 User Guide
Read this first: Important safety information
This chapter contains the safety information that you must be familiar with.
Before using this manual
CAUTION:
Before using this manual, be sure to read and understand all the related safety information for this
product. Refer to the information in this section and the safety information in the Safety, Warranty, and Setup Guide that you received with this product. Reading and understanding this safety information
reduces the risk of personal injury and damage to your product.
If you no longer have a copy of the Safety, Warranty, and Setup Guide, you can obtain a Portable Document
Format (PDF) version from the Lenovo Support Web site at
Web site also provides the Safety, Warranty, and Setup Guide and this User Guide in additional languages.
Service and upgrades
Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or
your documentation. Only use a Service Provider who is approved to repair your particular product.
Note: Some computer parts can be upgraded or replaced by the customer. Upgrades typically are referred
to as options. Replacement parts approved for customer installation are referred to as Customer
Replaceable Units, or CRUs. Lenovo provides documentation with instructions when it is appropriate for
customers to install options or replace CRUs. You must closely follow all instructions when installing or
replacing parts. The Off state of a power indicator does not necessarily mean that voltage levels inside a
product are zero. Before you remove the covers from a product equipped with a power cord, always ensure
that the power is turned off and that the product is unplugged from any power source. For more information
about CRUs, refer to Chapter 7 “Hardware removal and installation” on page 57. If you have any questions or
concerns, contact the Customer Support Center.
https://support.lenovo.com. The Lenovo Support
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety.
CAUTION:
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury,
seek medical care immediately.
CAUTION:
Avoid contact with hot components inside the computer. During operation, some components
become hot enough to burn the skin. Before you open the computer cover, turn off the computer,
disconnect power, and wait approximately 10 minutes for the components to cool.
CAUTION:
After replacing a CRU, reinstall all protective covers, including the computer cover, before connecting
power and operating the computer. This action is important to help prevent unexpected electrical
shock and help ensure the containment of an unexpected fire that could happen under extremely rare
conditions.
When replacing CRUs, be cautious of sharp edges or corners that might cause injury. If you suffer an
injury, seek medical care immediately.
Static electricity prevention
Static electricity, although harmless to you, can seriously damage computer components and options.
Improper handling of static-sensitive parts can damage the part. When you unpack an option or CRU, do not
open the static-protective package containing the part until the instructions direct you to install it.
When you handle options or CRUs, or perform any work inside the computer, take the following precautions
to avoid static-electricity damage:
• Limit your movement. Movement can cause static electricity to build up around you.
• Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the
edges. Never touch exposed circuitry.
• Prevent others from touching components.
• When you install a static-sensitive option or CRU, touch the static-protective package containing the part
to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two
seconds. This reduces static electricity in the package and your body.
• When possible, remove the static-sensitive part from the static-protective packaging and install the part
without setting it down. When this is not possible, place the static-protective packaging on a smooth, level
surface and place the part on it.
• Do not place the part on the computer cover or other metal surface.
Power cords and power adapters
Use only the power cords and power adapters supplied by the product manufacturer. Do not use the ac
power cord for other devices.
The power cords shall be safety approved. For Germany, it shall be H05VV-F, 3G, 0.75 mm
other countries, the suitable types shall be used accordingly.
Never wrap a power cord around a power adapter or other object. Doing so can stress the cord in ways that
can cause the cord to fray, crack, or crimp. This can present a safety hazard.
Always route power cords so that they will not be walked on, tripped over, or pinched by objects.
Protect power cord and power adapters from liquids. For instance, do not leave your power cord or power
adapter near sinks, tubs, toilets, or on floors that are cleaned with liquid cleansers. Liquids can cause a short
circuit, particularly if the power cord or power adapter has been stressed by misuse. Liquids also can cause
gradual corrosion of power cord terminals and/or the connector terminals on a power adapter, which can
eventually result in overheating.
Ensure that all power cord connectors are securely and completely plugged into receptacles.
Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating (such
as deformed plastic) at the ac input or anywhere on the power adapter.
Do not use any power cords where the electrical contacts on either end show signs of corrosion or
overheating or where the power cord appears to have been damaged in any way.
2
, or better. For
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Extension cords and related devices
Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use
are rated to handle the electrical requirements of the product. Never overload these devices. If power strips
are used, the load should not exceed the power strip input rating. Consult an electrician for more information
if you have questions about power loads, power requirements, and input ratings.
Plugs and outlets
If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged
or corroded, do not use the outlet until it is replaced by a qualified electrician.
Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
Do not share an electrical outlet with other home or commercial appliances that draw large amounts of
electricity. Otherwise, unstable voltage might damage your computer, data, or connected devices.
Some products are equipped with a three-pronged plug. This plug fits only into a grounded electrical outlet.
This is a safety feature. Do not defeat this safety feature by trying to insert it into a non-grounded outlet. If
you cannot insert the plug into the outlet, contact an electrician for an approved outlet adapter or to replace
the outlet with one that enables this safety feature. Never overload an electrical outlet. The overall system
load should not exceed 80 percent of the branch circuit rating. Consult an electrician for more information if
you have questions about power loads and branch circuit ratings.
Be sure that the power outlet you are using is properly wired, easily accessible, and located close to the
equipment. Do not fully extend power cords in a way that will stress the cords.
Be sure that the power outlet provides the correct voltage and current for the product you are installing.
Carefully connect and disconnect the equipment from the electrical outlet.
External devices
Do not connect or disconnect any external device cables other than Universal Serial Bus (USB) cables while
the computer power is on; otherwise, you might damage your computer. To avoid possible damage to
connected devices, wait at least five seconds after the computer is shut down to disconnect external
devices.
Heat and product ventilation
Computers, power adapters, and many accessories can generate heat when turned on and when batteries
are charging. Always follow these basic precautions:
• Do not leave your computer, power adapter, or accessories in contact with your lap or any part of your
body for an extended period when the products are functioning or when the battery is charging. Your
computer, power adapter, and many accessories produce some heat during normal operation. Extended
contact with the body could cause discomfort or, potentially, a skin burn.
• Do not charge the battery or operate your computer, power adapter, or accessories near flammable
materials or in explosive environments.
• Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable
operation. These features might inadvertently become blocked by placing the product on a bed, sofa,
carpet, or other flexible surface. Never block, cover, or disable these features.
Inspect your desktop computer for dust accumulation at least once every three months. Before inspecting
your computer, turn off the power and unplug the computer's power cord from the electrical outlet; then
remove any dust from vents and perforations in the bezel. If you notice external dust accumulation, then
examine and remove dust from the inside of the computer including heat sink inlet fins, power supply vents,
and fans. Always turn off and unplug the computer before opening the cover. If possible, avoid operating
your computer within two feet of high-traffic areas. If you must operate your computer in or near a high-traffic
area, inspect and, if necessary, clean your computer more frequently.
For your safety and to maintain optimum computer performance, always follow these basic precautions with
your desktop computer:
• Keep the cover closed whenever the computer is plugged in.
• Regularly inspect the outside of the computer for dust accumulation.
• Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for
computers in dusty or high-traffic areas.
• Do not restrict or block any ventilation openings.
• Do not store or operate your computer inside furniture, as this might increase the risk of overheating.
• Airflow temperatures into the computer should not exceed 35°C (95°F).
• Do not install air filtration devices. They may interfere with proper cooling.
Computer placement notices
Inappropriate computer placement might cause harm to children.
• Place the computer on a sturdy piece of low-rise furniture or furniture that has been anchored.
• Do not place the computer at the edge of the furniture.
• Keep the computer cables out of the reach of children.
• Some items, such as toys, might attract children. Keep such items away from the computer.
Supervise children in rooms where the above safety instructions cannot be fully implemented.
Operating environment
The optimal environment in which to use your computer is 10°C–35°C (50°F–95°F) with humidity ranging
between 35% and 80%. If your computer is stored or transported in temperatures less than 10°C (50°F),
allow the cold computer to rise slowly to an optimal operating temperature of 10°C–35°C (50°F–95°F) before
use. This process could take two hours in extreme conditions. Failure to allow your computer to rise to an
optimal operating temperature before use could result in irreparable damage to your computer.
If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine.
Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and
microwave oven away from your computer because the strong magnetic fields generated by these
appliances can damage the monitor and data on the storage drive.
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Do not place any beverages on top of or beside the computer or other connected devices. If liquid is spilled
on or in the computer or a connected device, a short circuit or other damage might occur.
Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage.
Laser compliance statement
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following:
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Hazardous energy statement
DANGER
Disconnect all power cords from electrical outlets before removing the computer cover or any part
that has the above label attached.
DO NOT disassemble components that have the above label attached. There are no serviceable parts inside
these components.
Your product is designed for safe use. However, hazardous voltage, current, and energy levels are present
inside any component that has this label attached. Disassembling of these components might cause fire or
might even result in death. If you suspect a problem with one of these parts, contact a service technician.
Lithium coin-cell battery notice
DANGER
Danger of explosion if battery is incorrectly replaced.
When replacing the lithium coin-cell battery, use only the same type or equivalent type that is recommended
by the manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed
of. Swallowing the lithium coin-cell battery will cause chocking or severe internal burns in just two hours and
might even result in death.
Keep batteries away from children. If the lithium coin-cell battery is swallowed or placed inside any part of
the body, seek medical care immediately.
Do not:
• Throw or immerse into water
• Heat to more than 100 °C (212°F).
• Repair or disassemble
• Leave in an extremely low air pressure environment
• Leave in an extremely high-temperature environment
• Crush, puncture, cut, or incinerate
Dispose of the battery as required by local ordinances or regulations.
The following statement applies to users in the state of California, U.S.A.
California Perchlorate Information:
Products containing manganese dioxide lithium coin-cell batteries may contain perchlorate.
Perchlorate Material - special handling may apply, see
perchlorate/
.
https://www.dtsc.ca.gov/hazardouswaste/
Using earphones, headphones, or a headset
• If your computer has both a headphone connector and an audio line-out connector, always use the
headphone connector for earphones, headphones, or a headset. However, the headphone connector
does not support the microphone of the headset.
• If your computer has both a headset connector and an audio line-out connector, always use the headset
connector for earphones, headphones, or a headset.
CAUTION:
Excessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of
the equalizer to maximum increases the earphone and headphone output voltage and the sound
pressure level. Therefore, to protect your hearing, adjust the equalizer to an appropriate level.
Excessive use of headphones or earphones for a long period of time at high volume can be dangerous if the
output of the headphone or earphone connectors do not comply with specifications of EN 50332-2. The
headphone output connector of your computer complies with EN 50332-2 Sub clause 7. This specification
limits the computer’s maximum wide band true RMS output voltage to 150 mV. To help protect against
hearing loss, ensure that the headphones or earphones you use also comply with EN 50332-2 (Clause 7
Limits) or a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 503322 can be dangerous due to excessive sound pressure levels.
If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of
the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If
different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5
Limitation Values). Using headphones that do not comply with EN 50332-1 can be dangerous due to
excessive sound pressure levels.
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Cleaning and maintenance
Keep your computer and workspace clean. Shut down the computer and then disconnect the power cord
before cleaning the computer. Do not spray any liquid detergent directly on the computer or use any
detergent containing flammable material to clean the computer. Spray the detergent on a soft cloth and then
wipe the computer surfaces.
On: The storage drives are active and data is being transferred.
Off (when computer powered on): No data is being transferred or the storage drives are not in use.
4 Power indicator
When the power indicator is on, the computer is turned on.
5 Power button
Press the power button to turn on your computer. If your computer is unresponsive, you can turn off the
computer by pressing and holding the power button for four or more seconds.
6 Microphone connector
Use this connector to attach a microphone to your computer when you want to record sound or if you use
speech-recognition software.
7 Headset connector
Use this connector to attach a headset to your computer.
8 Card reader (available on some models)
This is a 9-in-1 card reader. Used to insert a supported card-shaped storage medium to read the data on the
medium.
Rear view
Some connectors on the rear of your computer are color-coded to help you determine where to connect the
cables on your computer.
Note: The computer hardware might look slightly different from the illustration.
Figure 2. Rear view
2P320 User Guide
1 Power-cord connector
3 VGA connector
5 USB 3.0 connectors (4)6 USB 2.0 connectors (2)
2 Serial connector
4 DisplayPort
®
connectors
7 Microphone connector
8 PCIe card area* (different cards provide different
connectors)
9 Audio line-in connector
11 Cable-lock slots
13 Audio line-out connector14 Ethernet connector
15 PS/2 keyboard connector (available on some models)16 Security-lock slot
10 Optional serial connector
12 Padlock loop
Notes: * A discrete graphics card or a network adapter can be installed in the appropriate Peripheral
Component Interconnect Express (PCIe) card slot. If such a card is installed, use the connectors on the card
instead of the corresponding connectors on the computer to optimize the performance. Depending on your
computer model, the preinstalled cards might vary. One or more graphics cards might be installed to provide
the following connectors:
• Digital Visual Interface (DVI) connector
®
• DisplayPort
• Mini DisplayPort
connector
®
connector
DisplayPort connector
Use this connector to attach a high-performance monitor, a direct-drive monitor, or other compatible
devices.
DVI monitor connector
Use this connector to attach a DVI monitor or other compatible devices.
Mini DisplayPort connector
Use this connector to attach a high-performance monitor, a direct-drive monitor, or other compatible
devices. The Mini DisplayPort connector is a miniaturized version of a DisplayPort connector.
1 Power cord connector
Connect the power cord to your computer for power supply.
2 10 Serial connector
Use this connector to attach an external modem, a serial printer, or other devices that use a 9-pin serial
connector.
3 VGA connector
Used to connect a video graphics array (VGA) monitor or other devices that use a VGA connector.
4 DisplayPort connector
Used to connect a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort
connector.
Chapter 1. Product overview3
5 USB 3.0 connector
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
6 USB 2.0 connector
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
7 Microphone connector
Use this connector to attach a microphone to your computer when you want to record sound or if you use
speech-recognition software.
8 PCIe card area (different cards provide different connectors)
To improve the operating performance of your computer, you can connect PCIe cards into this area.
Depending on your computer model, the cards installed in this area might vary.
9 Audio line-in connector
Used to receive audio signals from an external audio device, such as a stereo system. When you attach an
external audio device, a cable is connected between the audio line-out connector of the device and the audio
line-in connector of the computer.
11 Cable-lock slots (2)
Used to secure a cable lock. For more information, see “Attaching a cable lock” on page 30.
12 Padlock loop
Connect a padlock to secure your computer. For more information, see “Attaching a padlock” on page 29.
13 Audio line-out connector
The audio line-out connector is used to send audio signals from the computer to external devices, such as
headphones.
14 Ethernet connector
Connect an Ethernet cable for a local area network (LAN).
Note: To operate the computer within Federal Communications Commission (FCC) Class B limits, use a
Category 5 Ethernet cable.
15 PS/2 keyboard connector (available on some models)
Use this connector to attach a Personal System/2 (PS/2) keyboard.
16 Security-lock slot
Attach a Kensington-style cable lock to the security-lock slot to secure your computer. For more information,
see “Attaching a Kensington-style cable lock” on page 29.
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Computer components
Notes:
• Depending on the model, some of the following components might not be available.
• To remove the computer cover, see “Preparing your computer and removing the computer cover” on
page 57.
Figure 3. Computer components
1 Heat sink and fan assembly
3 Optical drive (available on some models)4 Card reader (available on some models)
5 Front audio and USB assembly
7 Front fan assembly (available on some models)
9 Graphics card (available on some models)10 Cover presence switch (also called intrusion switch)
11 Rear fan assembly
2 Memory module
6 Front bezel
8 Hard disk drives
(available on some models)
12 Power supply assembly
Parts on the system board
The following illustration shows the locations of the parts on the system board.
Chapter 1. Product overview5
Figure 4. Parts on the system board
1 PS/2 keyboard and mouse connector
3 Microprocessor
5 Battery
7 Memory slot 2 (DIMM2)8 Memory slot 3 (DIMM3)
9 Memory slot 4 (DIMM4)
11 10-pin power connector
13 4-pin SATA power connectors
15 Parallel connector
17 SATA connectors
19 USB hardware disable header20 Front bezel connector (for connecting LED indicators
2 4-pin power connector
4 Microprocessor fan connector
6 Memory slot 1 (DIMM1)
10 Thermal sensor connector
12 Hard-disk-drive fan connector
14 Thunderbolt™ connector
16 eSATA connector
18 Power fan connector
and the power button)
21 Front USB 3.0 connector (for connecting USB
connectors on the front panel)
22 USB 2.0 connectors (for connecting the front USB 2.0
connector, card reader connector, or Bluetooth
connector)
23 Clear CMOS (Complementary Metal Oxide
24 Serial (COM2) connector
Semiconductor) /Recovery jumper
25 Internal speaker connector26 Front audio connector
27 PCIe x1 card slot 428 PCIe x4 card slot 3
6P320 User Guide
29 PCIe x1 card slot 230 PCIe x16 card slot 1 (graphics card available on some
models)
31 System fan connector32 Cover presence switch connector (intrusion switch
connector)
Internal storage drives
Internal storage drives are devices that your computer uses to read and store data. You can add drives to
your computer to increase storage capacity and enable your computer to read other types of media. Internal
drives are installed in bays.
When you install or replace an internal storage drive, note the type and size of the drive that each bay
supports and correctly connect the required cables. Refer to the appropriate section in Chapter 7 “Hardware
removal and installation” on page 57 for instructions on how to install or replace internal storagedrives for
your computer.
The following illustration shows the locations of the drive bays.
Note: The computer hardware might look slightly different from the illustrations.
Figure 5. Drive-bay locations
1 Primary optical-drive bay
Depending on your computer model, the following devices might be installed in the bay:
• Optical drive
• Flex module
• Front-access storage enclosure
• Multi-drive Conversion Kit
• Slim Optical Drive Adapter
Chapter 1. Product overview7
2 Secondary optical-drive bay
Depending on your computer model, the following devices might be installed in the bay:
• Optical drive
• Flex module
• Front-access storage enclosure
• Multi-drive Conversion Kit
• Slim Optical Drive Adapter
3 Card reader (9-in-1 card reader, available on some models)
4 Secondary hard-disk-drive bay (with a hard disk drive, solid-state drive, or hybrid drive installed in some
models)
5 Primary hard-disk-drive bay(with a hard disk drive, solid-state drive, or hybrid drive installed in some
models)
6 PCIe card slots (with PCIe solid-state drives or other PCIe cards installed in some models)
Machine type and model label
The machine type and model label identifies your computer. When you contact Lenovo for help, the machine
type and model information helps support technicians to identify your computer and provide faster service.
The following is a sample of the machine type and model label.
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P320 User Guide
Figure 6. Machine type and model label
Computer features
For your specific computer model, some features might vary or not apply.
Information about your computer
• To view basic information (such as microprocessor and memory information) about your computer, do the
following:
1. Click the Start button to open the Start menu.
2. Depending on your Microsoft
– For Windows 7: Right-click Computer, and then click Properties.
– For Windows 10: Click Settings ➙ System ➙ About.
• To view detailed information about the devices (such as the optical drive and network adapters) on your
computer, do the following:
1. Depending on your Windows version, do one of the following:
– For Windows 7: Click the Start button to open the Start menu. Right-click Computer, and then
click Properties.
– For Windows 10: Right-click the Start button to open the Start context menu.
2. Click Device Manager.
®
Windows® operating system version, do one of the following:
Chapter 1. Product overview9
3. Locate and double-click your device in Device Manager to view device properties. Type the
administrator password or provide confirmation if prompted.
Memory
Your computer supports up to four double data rate 4 (DDR4) error correction code (ECC) unbuffered dual
inline memory modules (UDIMMs) and non-ECC (UDIMMs).
For more information, see “Memory module” on page 64.
Storage drives
Your computer supports the following storage drives:
• Card reader (9-in-1 card reader, available on some models)
• Optical drive (available on some models)
• Serial Advanced Technology Attachment (SATA) hard disk drive
• SATA hybrid drive (available on some models)
• SATA solid-state drive (available on some models)
• PCIe solid-state drive (M.2 solid-state drive) (available on some models)
• Intel
®
Optane™ memory (available on some models)
To view the amount of storage drive space, do the following:
1. Depending on your Windows version, do one of the following:
• For Windows 7: Click the Start button to open the Start menu. Right-click Computer, and then click
Manage.
• For Windows 10: Right-click the Start button to open the Start context menu.
2. Click Disk Management and follow the instructions on the screen.
Video features
• Integrated graphics supports the following connectors on your computer:
– DisplayPort connector
– Video Graphics Array (VGA) connector
• Discrete graphics card installed in one of the PCIe x16 graphics card slots (available on some models) (the
connectors vary by graphics card)
Audio features
Integrated audio controller supports the following connectors and devices on your computer:
• Display connectors (DisplayPort connector, DVI connector, and Mini DisplayPort
connector) (vary by
graphics card)
• eSATA connector (available on some models)
• Institute of Electrical and Electronics Engineers (IEEE) 1394 connector (available on some models)
• Personal System/2 (PS/2) keyboard connector (available on some models)
• PS/2 mouse connector (available on some models)
• USB 2.0 connectors
• USB 3.0 connectors
For more information, see “Front view” on page 1 and “Rear view” on page 2.
Expansion
• Card reader (9-in-1 card reader, available on some models)
• Hard-disk-drive bays
• Memory slots
• Optical-drive bays
• PCIe x1 card slots
• PCIe x4 card slot
• PCIe x16 graphics card slot (graphics card available on some models)
For more information, see “Internal storage drives” on page 7 and “Parts on the system board” on page 5.
Power supply
Your computer comes with one of the following power supplies:
• 250-watt automatic 85% voltage-sensing power supply
• 250-watt automatic 92% voltage-sensing power supply
• 400-watt automatic 92% voltage-sensing power supply
Wireless features
Depending on your computer model, the following wireless features are supported:
• Wireless LAN
• Bluetooth
System management features
• Ability to store power-on self-test (POST) hardware test results
• Desktop Management Interface (DMI)
Desktop Management Interface provides a common path for users to access information about all
aspects of a computer. The information includes the processor type, installation date, attached printers
and other peripherals, power sources, and maintenance history.
• ErP LPS compliance mode
The energy-related products directive (ErP) lowest power state (LPS) compliance mode reduces the
consumption of electricity when your computer is in sleep or off mode. For more information, see
“Enabling or disabling the ErP LPS compliance mode” on page 36.
Chapter 1. Product overview11
• Intelligent Cooling Engine (ICE)
The Intelligent Cooling Engine is a system thermal management solution that enables your computer to
run with better thermal and acoustic performance. The ICE function also monitors the thermal
performance of your computer to identify thermal problems. For more information, see “Switching
between better acoustic and better thermal performance” on page 36 and “Enabling or disabling the
system to record thermal alert logs” on page 37.
• Intel
®
Standard Manageability (ISM)
Intel Standard Manageability builds certain functionalities into computer hardware and firmware.
Therefore, computers are less expensive for businesses and easier to monitor, maintain, update, upgrade,
and repair.
• Intel Active Management Technology (Intel AMT)
With specific Intel platform capabilities and third-party management and security applications, Intel Active
Management Technology enables IT administrators or managed service providers to easily and remotely
discover, repair, and protect their networked computing assets.
• Intel Matrix Storage Manager
Intel Matrix Storage Manager is a device driver that provides support for Serial Advanced Technology
Attachment (SATA) Redundant Array of Independent Disks (RAID) 5 arrays and SATA RAID 10 arrays on
specific Intel chipset system boards to enhance hard disk performance.
• Preboot Execution Environment (PXE)
Preboot Execution Environment enables you to start computers using a network interface. This manner is
independent of starting computers from data storage devices (such as the hard disk drive) or installed
operating systems.
• System Management (SM) basic input/output system (BIOS) and SM software
The SM BIOS specification defines data structures and access methods in a BIOS. Therefore, a user or an
application can store and retrieve information specific about the computer in question.
• Wake on LAN (WOL)
Wake on LAN is an Ethernet computer networking standard that allows a computer to be turned on or
woken up by a network message. The message is usually sent by a program running on another computer
on the same local area network.
• Wake on Ring
Wake on Ring, sometimes referred to as Wake on Modem, is a specification that allows supported
computers and devices to resume from sleep or hibernation mode.
• Windows Management Instrumentation (WMI)
Windows Management Instrumentation is a set of extensions to the Windows Driver Model. It provides an
operating system interface through which instrumented components provide information and notification.
Security features
• Ability to enable and disable a device
• Ability to enable and disable USB connectors individually
• Antivirus program
• Computrace Agent software embedded in firmware
• Cover presence switch (also called intrusion switch)
• BIOS passwords and Windows accounts to deter unauthorized use of your computer
• Finger authentication (available on some models)
• Firewalls
• Startup sequence control
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P320 User Guide
• Startup without keyboard or mouse
• Support for a computer cover lock
• Support for a Kensington-style cable lock
• Support for a padlock
• Trusted Platform Module (TPM)
For more information, see Chapter 4 “Security” on page 29.
Preinstalled operating system
Your computer is preinstalled with Windows 7 or Windows 10 operating system. Additional operating
systems might be identified by Lenovo as compatible with your computer. To determine if an operating
system has been certified or tested for compatibility, check the Web site of the operating system provider.
Computer specifications
This section lists the physical specifications for your computer.
Dimensions
• Width: 175 mm (6.89 inches)
• Height: 376 mm (14.80 inches)
• Depth: 426 mm (16.77 inches)
Weight
Maximum configuration as shipped: 13 kg (28.66 lb)
Environment
• Air temperature:
– Operating: From 10°C (50°F) to 35°C (95°F)
– Storage in original shipping package: From -40°C (-40°F) to 60°C (140°F)
– Storage without package: From -10°C (14°F) to 60°C (140°F)
– Operating: From -15.2 m (-50 ft) to 3048 m (10 000 ft)
– Storage: From -15.2 m (-50 ft) to 10 668 m (35 000 ft)
Electrical input
• Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
Programs
This section provides information about the programs on your computer.
Chapter 1. Product overview13
Accessing a program on your computer
Note: For Windows 7, depending on your computer model, some of the Lenovo programs might be ready to
be installed, so you must install them manually. Then, you can access and use these programs.
To access a program on your computer, do one of the following:
• From Windows Search:
1. Depending on your Windows version, do one of the following:
– For Windows 7: Click the Start button to open the Start menu, and then type the program name
into the search box.
– For Windows 10: Type the program name into the search box next to the Start button.
2. In the search results, click the name of the desired program to launch the program.
• From the Start menu or Control Panel:
1. Depending on your Windows version, do one of the following:
– For Windows 7: Click the Start button to open the Start menu. If the program name is not
displayed, click All Programs to display the program list. Then, click the name of the desired
program to launch the program.
– For Windows 10: Click the Start button to open the Start menu. Then, click the name of the desired
program to launch the program.
2. If the program name is not displayed on the Start menu, access the program from Control Panel.
a. Click the Start button to open the Start menu.
b. Depending on your Windows version, do one of the following:
– For Windows 7: Click Control Panel.
– For Windows 10: Click Windows System ➙ Control Panel.
c. View Control Panel by Large icons or Small icons, and then click the name of the desired program
to launch the program.
Installing a program that is ready to be installed (Windows 7 only)
On the Windows 7 operating system, to install a program that is ready to be installed, do the following:
1. Open the Lenovo ThinkVantage
14.
2. Click View ➙ Tiles to view the program icons.
3. Follow the instructions under grayed-out icons to locate the icon for the desired program. Then, doubleclick the icon to install the program.
®
Tools program. See “Accessing a program on your computer” on page
An introduction to Lenovo programs
This section provides information about the major Lenovo programs available on your operating system.
Note: Depending on your computer model, some of the following programs might not be available.
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P320 User Guide
Fingerprint Manager Pro or
ThinkVantage Fingerprint Software
(Windows 7)
The Fingerprint Manager Pro or ThinkVantage Fingerprint Software program
enables you to use a fingerprint reader. The integrated fingerprint reader
provided on some keyboards enables you to enroll your fingerprint and
associate it with your power-on password, hard disk password, and
Windows password. As a result, fingerprint authentication can replace
passwords and enable simple and secure user access.
Lenovo Vantage
(Windows 10)
Lenovo PC Experience
(Windows 7)
Your computer’s best features and capabilities should be easy to access and
understand. With Lenovo Companion, they are.
Use Lenovo Companion to do the following:
• Manage updates, get the latest drivers, and keep the software on your
computer up-to-date.
• Protect yourself from malicious Wi-Fi netwroks.
• Optimize your computer performance, monitor your computer health, and
manage updates.
• Access your user guide, check warranty status, and view accessories
customized for your computer.
• Read how-to articles, explore Lenovo forums, and stay up-to-date on
technology news with articles and blogs from trusted sources.
• Configure hardware settings.
• Create and manage your Lenovo ID.
This app is filled with exclusive Lenovo content to help you learn more about
what you can do with your Lenovo computer.
This program helps you work easily and securely by providing easy access to
various programs.
Note: This program cannot be found from the all program list or search box.
To access this program, go to Control Panel. View Control Panel by
Category, click Hardware and Sound ➙ Devices and Printers, and then
double-click the device with your computer name.
Lenovo PowerENGAGE
(Windows 7)
Lenovo Solution Center
(Windows 7)
Lenovo ThinkVantage Tools
(Windows 7)
Recovery Media
(Windows 7)
System Update
(Windows 7)
The Lenovo PowerENGAGE program provides power management function.
The Lenovo Solution Center program enables you to troubleshoot and
resolve computer problems. It combines diagnostic tests, system information
collection, security status, and support information, along with hints and tips
for maximum system performance.
The Lenovo ThinkVantage Tools program provides easy access to various
tools to help your work more easily and securely.
The Recovery Media program enables you to restore the contents of the hard
disk drive to the factory-default settings.
The System Update program provides regular access to the system updates
for your computer, such as device driver updates, software updates, and
BIOS updates. The program gathers information from the Lenovo Help
Center about new updates for your computer, and then sorts and displays
the updates for download and installation. You have complete control of
which updates to download and install.
Chapter 1. Product overview15
16P320 User Guide
Chapter 2.Using your computer
This chapter provides information to help you use the various features provided by your computer.
Registering your computer
When you register your computer with Lenovo, you enter required information into a Lenovo database. The
information enables Lenovo to contact you when there is a recall or other severe problem and provide
quicker service when you call Lenovo for help. In addition, some locations offer extended privileges and
services to registered users.
To register your computer with Lenovo, go to
instructions on the screen.
https://support.lenovo.com/productregistration and follow the
Setting the computer volume
To set the computer volume, do the following:
1. Click the volume icon in the Windows notification area on the taskbar.
Note: If the volume icon is not displayed in the Windows notification area, add the icon to the
notification area. See the Windows help system.
2. Follow the instructions on the screen and the hover text to adjust the volume, mute the speaker, or
unmute the speaker.
Using a disc
This section provides instructions on how to use a disc and the optical drive.
Guidelines about using the optical drive
When using the optical drive, follow these guidelines:
• Do not place the computer in a location where the drive is exposed to any of the following conditions:
– High temperature
– High humidity
– Excessive dust
– Excessive vibration or sudden shock
– An inclined surface
– Direct sunlight
• Do not insert any object other than a disc into the drive.
• Do not insert damaged discs into the drive. Warped, scratched, or dirty discs can damage the drive.
• Before moving the computer, remove the disc from the drive.
Handling and storing a disc
When handling and storing a disc, follow these guidelines:
• Hold the disc by its edges. Do not touch the surface of the side that is not labeled.
• To remove dust or fingerprints, wipe the disc with a clean, soft cloth from the center to the outside. Wiping
the disc in a circular direction might cause loss of data.
• Do not write or stick paper on the disc.
• Do not scratch or mark the disc.
• Do not place or store the disc in direct sunlight.
• Do not use benzene, thinners, or other cleaners to clean the disc.
• Do not drop or bend the disc.
Playing and removing a disc
To play a disc, do the following:
1. With the computer on, press the eject/close button on the front of the optical drive. The tray slides out of
the drive.
2. Insert a disc into the tray. Some optical drive has a snap hub in the center of the tray. If your drive has a
snap hub, support the tray with one hand and then push the center of the disc until it snaps into place.
3. Press the eject/close button again or gently push the tray forward to close the tray. The disc player
program starts automatically. For more information, refer to the help system of the disc player program.
To remove a disc from the optical drive, do the following:
1. With the computer on, press the eject/close button on the front of the optical drive. The tray slides out of
the drive.
2. Carefully remove the disc from the tray.
3. Press the eject/close button again or gently push the tray forward to close the tray.
Note: If the tray does not slide out of the drive when you press the eject/close button, turn off your
computer. Then, insert a straightened paper clip into the emergency-eject hole adjacent to the eject/close
button. Use the emergency eject only in an emergency.
Recording a disc
If your optical drive supports recording, you can record a disc.
Recording a disc using Windows tools
To record a disc using Windows tools, do one of the following:
• Burn a disc using the AutoPlay window.
1. Ensure that the disc is played automatically.
a. Click the Start button to open the Start menu.
b. Depending on your Windows version, do one of the following:
– For Windows 7: Click Control Panel. View Control Panel by Large icons or Small icons, and
then click AutoPlay.
– For Windows 10: Click Settings ➙ Devices ➙ AutoPlay.
c. Select or turn on Use AutoPlay for all media and devices.
2. Insert a recordable disc into the optical drive that supports recording. The AutoPlay window opens.
3. Follow the instructions on the screen.
• Burn a disc using Windows Media
1. Insert a recordable disc into the optical drive that supports recording.
®
Player.
18
P320 User Guide
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