The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular
purpose. Any Acer Incorporated software described in this guide is sold or licensed "as is". Should the
programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its
dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software.
Acer is a registered trademark of Acer Incorporated.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guideiii
Conventions
The following textual conventions are used in this service guide.
SCREEN MESSAGESDenotes actual messages that appear on screen.
NOTEGives additional information related to the current topic.
WARNINGAlerts you to any physical risk or system damage that might result from
doing or not doing specific actions.
CAUTIONGives precautionary measures to avoid possible hardware or software
problems.
IMPORTANTReminds you to do specific actions relevant to the accomplishment of
procedures.
ivPackard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Service Guide Coverage
This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION
decided for our "global" product offering. To better fit local market requirements and enhance product
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on
card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic
service guide. In such cases, please contact your regional offices or the responsible personnel/channel to
provide you with further technical details.
FRU Information
Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available
on your regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in
the printed service guide. For AUTHORIZED SERVICE PROVIDERS, your office may have a DIFFERENT
part number code to those given in the FRU list of this printed service guide. You MUST use the list provided
by your regional Acer office to order FRU parts for repair and service of customer machines.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guidev
viPackard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
• Windows 7 compliant multi-touchscreen function for oneTwo L5861
Audio• Two built-in 5W stereo speakers
• Realtek ALC662VC 5.1+2 channel high definition audio codec
I/O ports• Right panel
– USB ports (two)
– Headphone jack
– Microphone jack
• Left panel
– HD dual digital TV tuner (optional)
– PS/2 keyboard and mouse ports
– Line-in, line-out, and microphone jacks
– USB 2.0 ports (six)
– HDMI port
– Ethernet jack (RJ-45)
– External display (VGA) port
– DVI port (optional)
– PS/2 keyboard and mouse ports
Media storage• 3.5-inch 25.4 mm 5400/7200 rpm SATA hard disk drive (HDD)
10Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Chapter 2
System Utilities
CMOS Setup Utility
CMOS Setup Utility is a hardware configuration program built into the system ROM. Since most systems are
already properly configured and optimized, there is normally no need to run this utility.
You will need to run this utility under the following conditions:
•When changing the system configuration including:
•Setting the system time and date
•Configuring the system drives and peripherals
•Specifying the boot device sequence
•Configuring the power management modes
•Setting up system passwords or making other changes to the security setup
•When trying to resolve IRQ conflicts
•When a configuration error is detected by the system and you are prompted ("Run Setup" message) to
make changes to the BIOS settings.
The Setup Utility loads the configuration values in a battery-backed nonvolatile memory called CMOS RAM.
This memory area is not part of the system RAM, which allows configuration data to be retained when power is
turned off. The values take effect when the system is booted. POST uses these values to configure the
hardware. If the values and the actual hardware do not agree, POST generates an error message. You must
run this utility to change the hardware settings from the default or current configuration.
IMPORTANTIf you repeatedly receive “Run Setup” messages, the RTC battery located on the mainboard
(BT1) may be defective. In this case, the system cannot retain configuration values in CMOS.
Replace the RTC battery with a new one.
NOTE For ease of reading, CMOS Setup Utility will be simply referred to as “Setup” or “Setup Utility” in this
Service Guide.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide11
Accessing the Setup Utility
1.Turn on the computer.
If the computer is already turned on, save your data and close all open applications, then restart the
computer.
2.During POST, press Delete.
If you fail to press Delete before POST is completed, you will need to restart the computer.
Use the Left/Right arrow keys to move between the menu screens, then press Enter to view that menu tab.
Use the Up/Down arrow keys to move between the menu options, then press Enter to execute that option.
Some options lead to pop-up dialog boxes that prompt you to verify that you wish to execute that option. Other
options lead to dialog boxes that prompt you for information.
Some options (marked with a ) lead to submenus that enable you to change the values for the option. Use
the Up/Down/Left/Right arrow keys to scroll through the items in the submenu
12Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Navigating through the Setup Utility
Use the keys listed in the legend bar on the bottom of the Setup screen to work your way through the various
menu and submenu screens of the Setup Utility. The table below lists these legend keys and their respective
functions.
KeyFunction
Up/Down/Left/
Right arrow keys
Enter• To open the page for the currently selected menu/submenu
PgUp and PgDn Move the cursor to the previous and next page of a multipage menu.
HomeMove the cursor to the first page of a multipage menu.
EndMove the cursor to the last page of a multipage menu.
+ and - To select a value for the currently selected field (only if it is user-configurable). Press these
Esc If you press this key:
F1To bring up the General Help window. The General Help window describes other Setup
F7Load the saved User Default settings.
F8Save the current menu settings as User Default settings.
F9Press to load default system values.
F10 Press to save changes and close the Setup Utility.
Move the cursor to the menu/field you want.The currently selected field will be highlighted.
• To apply a field value.
keys repeatedly to display all possible entries. A parameter that is enclosed in square
brackets [ ] is user-configurable. Grayed-out parameters are not user-configurable for one
of the following reasons:
• The field value is auto-configured or auto-detected.·
• The field value is informational only.
• The field is password-protected.
• On one of the primary menu screens, the Exit menu displays.
• On a submenu screen, the previous screen displays.
• When you are making selections from a pop-up menu, closes the pop-up without making
a selection.
navigation keys that are not displayed on the legend bar.
Setup Utility Menus
The Setup Utility has six menus for configuring the various system functions. These include:
•Main
• Advanced
• Power
•Security
• Boot Options
• Exit
NOTES • The screenshots used in this section are for illustration only. The values displayed may not be
the same as those in your computer.
• In the descriptive tables following each of the menu screen illustrations, settings in boldface are
the default and suggested settings.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide13
Main menu
FieldDescription
System BIOS
VersionCurrent system BIOS version
Build DateDate when the system BIOS was built.
Processor
<model>Processor model installed
Core FrequencyCore frequency of the installed processor
CountMulti-core factor of the installed processor (number of processor cores)
Memory
SizeSize of system memory detected during boot-up
Product NameOfficial model name of the computer.
System Serial NumberSystem serial number.
Asset Tag NumberSystem asset tag number
System DateSets the system date.
System TimeSets the system time.
14Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Advanced menu
FieldDescription
MiscellaneousAccess this submenu to view the properties of installed SATA devices and
configure miscellaneous system settings.
Advanced Chipset ConfigurationAccess this submenu to enable or disable various Intel technology functions and
configure video memory settings.
Integrated PeripheralsAccess this submenu to enable or disable operation modes for the onboard I/O
controllers.
PC Health StatusAccess this submenu to view current level of system/processor/PCH
temperature, voltages, and fan speed.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide15
Miscellaneous submenu
FieldDescriptionValue
AHCI Port 1-4Your computer supports four SATA channels, each channel allows one SATA device to be
installed. Press Enter to display the individual configuration screen of installed SATA drive(s).
Clock to All DIMM/
PCI/PCIE
Spread SpectrumWhen the mainboard's clock generator pulses, the extreme values of the
Bootup Num-LockIf you set this item to On, the keyboard Num Lock key will be active when
USB Beep
Message
When enabled, clock signals will be sent to the PCI and memory slots
regardless of whether the slot is occupied or not.
pulses creates EMI (electromagnetic interference). Set this field to Enabled
to reduce this EMI level. This reduces interference problems with other
electronics in the area.
Note: Remember to disable the Spread Spectrum feature if you are
overclocking. A slight jitter can introduce a temporary boost in clock speed
causing the overclocked processor to lock up.
the computer boots up.
Select whether to allow the BIOS to emit error beeps or display error
messages during USB device enumeration.
Disabled
Enabled
Disabled
Enabled
On
Off
Disabled
Enabled
16Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Advanced Chipset Configuration submenu
FieldDescriptionValue
Intel EISTSelect whether to enable the Enhanced Intel SpeedStep Technology. EIST
allows a compliant OS to dynamically adjust the processor voltage and core
frequency based on system usage. This can result in decreased average
power consumption and decreased average heat production.
Note: After enabling EIST in BIOS Setup, you need to enable it on your
operating system as well. Consult your OS documentation for related
instructions.
Intel Turbo BoostSelect whether to enable the Intel Turbo Boost Technology. This technology
allows a dynamic increase in CPU clock-speed based on current work
demand.
Intel AES-NISelect whether to enable the Intel Advanced Encryption Standard New
Instructions (AES-NI) encryption standard. When enabled, speed for
applications performing encryption and decryption using the AES is
improved.
Intel XD Bit Select whether to enable the Intel Execute Disable Bit Technology. XD Bit is
a hardware-based security feature that can reduce exposure to viruses and
malicious-code attacks and prevent harmful software from executing and
propagating on the computer or network.
Intel VTSelect whether to enable the Intel Virtualization Technology. VT allows a
single platform to run multiple operating systems in independent partitions.
Video Memory
Size
DVMT ModeSelect the Intel Dynamic Video Memory Technology mode.DVMT
DVMT/Fixed
Memory Size
Displays the size of video memory detected during boot-up. This applies to
systems supporting the ATI HyperMemory technology.
Select to specify the maximum memory size that can be allocated as
graphics memory using the Intel Dynamic Video Memory Technology.
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
32 MB
128 MB
256 MB
Fixed
128 MB
256 MB
Maximum
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide17
Integrated Peripherals submenu
FieldDescriptionValue
Onboard SATA ControllerEnables or disables the onboard SATA controller.Disabled
Enabled
Onboard SATA ModeSet the operating mode for the onboard SATA controller.AHCI
Native IDE
Onboard USB ControllerEnables or disables the onboard USB controller.Disabled
Enabled
Legacy USB SupportEnables or disables support for a USB mouse and USB keyboard.
When enabled, any attached USB mouse or USB keyboard can
control the system even when there is no USB driver loaded onto
the system.
USB Storage EmulationIf set to Auto, a USB devices with a capacity of equal or less than
2
GB will be emulated as a bootable floppy disk.
Onboard Graphics
Controller
Onboard Audio ControllerEnables or disables the onboard audio controller.Disabled
Onboard LAN ControllerEnables or disables the onboard LAN controller.Disabled
Onboard LAN Option ROMEnables or disables the onboard LAN option ROM function. Enabled
Enables or disables the onboard graphics controller.Disabled
Disabled
Enabled
Auto
Floppy
Hard Disk
Enabled
Enabled
Enabled
Disabled
18Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
PC Health Status submenu
FieldDescriptionValue
CPU Temperature (PECI Mode)
System Temperature
PCH Temperature
CPU Fan Speed
System Fan Speed
CPU Core
+1.05V
+3.30V
+5.00V
+12.0V
5VSB
VBAT
Smart FanWhen enabled, fan speed will speed up or slow down
These items lets you monitor the parameters for critical voltages, temperatures
and fan speeds.
Disabled
depending on the system temperature.
Enabled
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide19
Power menu
FieldDescriptionValue
ACPI Suspend ModeUse this item to define how your system suspends. Default value
is S3 (STR), the suspend mode is suspend to RAM, i.e., the
system shuts down with the exception of a refresh current to the
system memory.
Deep Power Off ModeEnables or disables compliance to the Energy-using Products Lot
6 Directives (EuP Lot 6).
Power On by RTC AlarmEnables or disables the system to wake up from a power-saving
mode when an RTC alarm occurs.
Power On by PCIE DevicesEnables or disables the system to wake up from a power-saving
mode when an installed PCIe LAN card received an incoming call.
Power On by Onboard LANEnables or disables the system to wake up from a power-saving
mode when the onboard LAN controller received a network
message.
Wake Up by P S/2 KB/MouseEnables or disables the system to wake up from a power-saving
mode when a PS/2 keyboard or mouse is used.
Wake Up by USB KB/MouseEnables or disables the system to wake up from a power-saving
mode when a USB keyboard or mouse is used.
Restore On AC Power LossSelect the power state when an AC power loss occurs.
• Last State - The computer reverts to the last power state before
the power loss occurred.
• Off - The computer remains off until the power button is
pressed.
• On - The computer switches back on after the AC power loss.
S1 (POS)
S3 (STR)
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Last State
Off
On
20Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
Security menu
FieldDescriptionVal ue
Supervisor PasswordDisplays the supervisor password status. When set to Installed,
this password will allow the user to access and change all
settings in the Setup Utility.
User PasswordDisplays the user password status. Only the following menus will
be accessible when this password is used to logged in:
• System Date and System Time
• Exit Without Saving
The F9 key (Load Default Settings) will also be unavailable.
Change Supervisor
Password
Change User PasswordPress Enter to change the user password. Note that this field:
Security OptionThis field is only visible when the supervisor or user password is
Boot Sector Virus ProtectionThis field is not visible when the onboard SATA controller mode is
Press Enter to change the supervisor password.
• is only accessible when a supervisor password is set;
• is cleared when the supervisor password is cleared.
installed.
• Setup – User will be prompted to enter the password when
trying to access the
• System – User will be prompted to enter the password both
during boot-up and when trying to access the
set to either AHCI or RAID. If disabled, when anything attempts
to access the boot sector or the hard disk partition table, there
will be no warning message.
Setup Utility.
Setup Utility.
Installed
Not Installed
Setup
System
Disabled
Enabled
Note the following before you define a system password:
•The maximum length of password contains 8 alphanumeric characters. The following keys are valid:
•When you are prompted to enter a password, you have three tries before the system halts. Do not forget
your password. If you forget your password, you may have to return your computer to your dealer to reset
it.
Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide21
To set a system password:
NOTE You need to set a supervisor password first before setting the user password.
1.Select Change Supervisor Password or Change User Password, then press Enter.
The password box appears.
2.Type a password then press Enter.
IMPORTANTBe very careful when typing your password because the characters do not appear on the
screen. Only shaded blocks representing each typed character are visible.
3.Retype the password to verify the first entry, then press Enter.
You will be prompted to save the new password.
4.Press Enter.
5.Press F10 to save the password and close the Setup Utility.
To change a system password:
1.Select Change Supervisor Password or Change User Password, then press Enter.
The password box appears.
2.Type the original password, then press Enter.
3.Type a new password, then press Enter.
4.Retype the new password to verify the first entry, then press Enter.
You will be prompted to save the new password.
5.Press Enter.
6.Press F10 to save the password and close the Setup Utility.
To remove a system password:
NOTE When the supervisor password is removed, the user password will also be remove.
1.Select Change Supervisor Password or Change User Password, then press Enter.
The password box appears.
2.Type the original password, then press Enter.
3.Press Enter twice without entering anything in the new and confirm password fields.
You will be prompted to confirm the password removal.
4.Press Enter.
5.Press F10 to save the changes you made and close the Setup Utility.
22Packard Bell oneTwo L5860 / L5861 AIO Computer Service Guide
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