Lenovo 90RC002YGE operation manual

User Guide

Lenovo Legion Tower 5 (26L, 5)

Read this first

Before using this documentation and the product it supports, ensure that you read and understand the following:

• Appendix A “Important safety information” on page 41

• Safety and Warranty Guide

• Setup Guide

First Edition (August 2020)

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

About this documentation . . . . . . . . iii

Chapter 1. Meet your computer. . . . . 1

Front . . . . . . . . . . . . . . . . . . . . 1

Top . . . . . . . . . . . . . . . . . . . . 2

Rear . . . . . . . . . . . . . . . . . . . . 3

Features and specifications . . . . . . . . . . . 4

Statement on USB transfer rate . . . . . . . . 4

Chapter 2. Get started with your

computer . . . . . . . . . . . . . . . . . 5

Get started with Windows 10 . . . . . . . . . . 5

Windows account . . . . . . . . . . . . . 5

Windows user interface . . . . . . . . . . . 6

Connect to networks. . . . . . . . . . . . . . 7

Connect to the wired Ethernet . . . . . . . . 7

Connect to Wi-Fi networks. . . . . . . . . . 7

Use Lenovo Vantage . . . . . . . . . . . . . . 7

Use multimedia . . . . . . . . . . . . . . . . 8

Use audio . . . . . . . . . . . . . . . . 8

Chapter 3. Explore your computer . . . 9

Manage power . . . . . . . . . . . . . . . . 9

Set power button behaviors . . . . . . . . . 9

Set the power plan . . . . . . . . . . . . . 9

Transfer data . . . . . . . . . . . . . . . . . 9

Connect to a Bluetooth-enabled device (for

selected models) . . . . . . . . . . . . . 9

Lock the computer . . . . . . . . . . . . . 10

Purchase accessories . . . . . . . . . . . . 10

Chapter 4. Troubleshooting,

diagnostics, and recovery . . . . . . . 11

Basic procedure for resolving computer

problems . . . . . . . . . . . . . . . . . 11

Troubleshooting . . . . . . . . . . . . . . 11

Startup problems . . . . . . . . . . . . 12

Audio problems . . . . . . . . . . . . . 13

Network problems . . . . . . . . . . . . 13

Performance problems . . . . . . . . . . 16

Storage drive problems . . . . . . . . . . 17

Software problems. . . . . . . . . . . . 17

Recovery . . . . . . . . . . . . . . . . . 17

Restore system files and settings to an earlier

point . . . . . . . . . . . . . . . . . 17

Restore your files from a backup . . . . . . 17

Reset your computer . . . . . . . . . . . 18

Use advanced options . . . . . . . . . . 18

Windows automatic recovery. . . . . . . . 18

Create and use a recovery USB device . . . . 18

Update the device driver . . . . . . . . . 19

Chapter 5. CRU replacement . . . . . 21

What are CRUs . . . . . . . . . . . . . . . 21

Replace a CRU . . . . . . . . . . . . . . . 22

Power cord. . . . . . . . . . . . . . . 22

Left side cover and right side cover . . . . . 23

Front bezel . . . . . . . . . . . . . . . 24

Wire cover (for selected models) . . . . . . 25

3.5-inch storage drive . . . . . . . . . . 26

Storage drive tray . . . . . . . . . . . . 27

Memory module . . . . . . . . . . . . . 28

M.2 solid-state drive . . . . . . . . . . . 29

Microprocessor heatsink and fan assembly

(for selected models) . . . . . . . . . . . 29

Water cooling system (for selected models) . . 31

Coin-cell battery. . . . . . . . . . . . . 34

Power supply assembly . . . . . . . . . . 34

Chapter 6. Help and support . . . . . 37

Self-help resources . . . . . . . . . . . . . 37

Call Lenovo . . . . . . . . . . . . . . . . 38

Before you contact Lenovo . . . . . . . . 38

Lenovo Customer Support Center . . . . . . 38

Purchase additional services. . . . . . . . . . 39

Appendix A. Important safety

information . . . . . . . . . . . . . . . 41

Appendix B. Accessibility and

ergonomic information . . . . . . . . 55

Appendix C. Compliance

information . . . . . . . . . . . . . . . 59

Appendix D. Notices and

trademarks . . . . . . . . . . . . . . . 71

ii User Guide

About this documentation

• Illustrations in this documentation might look different from your product.

• Depending on the model, some optional accessories, features, and software programs might not be

available on your computer.

• Depending on the version of operating systems and programs, some user interface instructions might not

be applicable to your computer.

• Documentation content is subject to change without notice. Lenovo makes constant improvements on the

documentation of your computer, including this User Guide. To get the latest documentation, go to:

https://pcsupport.lenovo.com

• Microsoft® makes periodic feature changes to the Windows® operating system through Windows Update.

As a result, some information in this documentation might become outdated. Refer to Microsoft resources for the latest information.

• This documentation applies to the following product models:

Model name

Lenovo Legion T5 26AMR5

Machine Types (MT)

90RB, 90RC

iv User Guide

Chapter 1. Meet your computer

Front

1. Lenovo Legion logo LED indicator

Top

1. USB 3.2 connectors Gen 1 (2)

2. Headphone connector Connect headphones to your computer.

3. Microphone connector Connect a microphone.

4. Power button

Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer.

Press the power button to turn on the computer.

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Rear

1. USB 3.2 connectors Gen 1 (2)

2. USB-C

3. USB 2.0 connectors (2)

4. Ethernet connector

5. Audio connectors

6. PCI-Express card area

7. Security-lock slot

8. Power cord connector

connector

Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer.

Note: An appropriate adapter may be needed for connecting external devices.

Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer.

Connect to a local area network (LAN). When the green indicator is on, the computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted.

Send audio signals from the computer to external devices, such as powered stereo speakers, headphones, or multimedia keyboards. To connect a stereo system or other external recording device, connect a cable between the audio linein connector of the device and the audio line-out connector of the computer.

Note: If your computer has both an audio line-out connector and a headset or headphone connector, always use the headset or headphone connector for earphones, headphones, or a headset. The headphone connector does not support headset microphones.

Install PCI-Express cards into this area to improve the operating performance of the computer. Depending on the computer model, the connectors in this area vary.

Lock your computer to a desk, table, or other fixtures using a Kensington-style cable lock.

Connect the power cord to your computer for power supply.

Chapter 1. Meet your computer 3

Features and specifications

1. Right-click the Start button to open the Start context menu.

Hardware configuration

Power supply

2. Click Device Manager. Type the administrator password or provide confirmation if prompted.

• 350-watt voltage-sensing power supply

• 400-watt voltage-sensing power supply

• 550-watt voltage-sensing power supply

• 650–watt voltage-sensing power supply

Microprocessor

Memory Double data rate 4 (DDR4) unbuffered dual in-line memory module (UDIMM)

Storage device

Expansion

Network features

To view the microprocessor information of your computer, right-click the Start button and then click System.

To view the storage drive capacity of your computer, right-click the Start button to open the Start context menu and then click Disk Management.

Note: The storage drive capacity indicated by the system is less than the nominal capacity.

• 4 SATA3 Port

• 4 DDR4 UDIMM slots

• PCI-Express slots: PCIEx16 (1), PCIEx4 (1)

• 3 M.2 solid-state drive slot (1 for WIFI, 2 for PCIEx4 SSD)

• 2 Storage drive bays (3.5–inch, hot-swap)

• Bluetooth

• Gigabit Ethernet LAN

• Wireless LAN

Statement on USB transfer rate

Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed below for each corresponding device.

USB device Data rate (Gbit/s)

3.1 Gen 1/3.2 Gen 1

3.1 Gen 2/3.2 Gen 2

3.2 Gen 2 × 2

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Chapter 2. Get started with your computer

Get started with Windows 10

Learn the basics of Windows 10 and start working with it right away. For more information about Windows 10, see the Windows help information.

Windows account

A user account is required to use the Windows operating system. It can either be a Windows user account or a Microsoft account.

Windows user account

When you start Windows for the first time, you are prompted to create a Windows user account. This first account you created is of the “Administrator” type. With an Administrator account, you can create additional user accounts or change account types by doing the following:

1. Open the Start menu and select Settings ➙ Accounts ➙ Family & other users.

2. Follow the on-screen instructions.

Microsoft account

You can also log in to the Windows operating system with a Microsoft account.

To create a Microsoft account, go to the Microsoft sign-up page at screen instructions.

With a Microsoft account, you can:

• Enjoy one-time signing in if you are using other Microsoft services, such as OneDrive, Skype, and Outlook. com.

• Sync personalized settings across other Windows-based devices.

https://signup.live.com and follow the on-

Windows user interface

1. Account

2. Documents

3. Pictures

4. Settings

5. Power

6. Start button

7. Windows Search

8. Task View

9. Windows notification area

10. Battery status icon

11. Network icon

12. Action center

Change account settings, lock the computer, or sign out from the current account.

Open the Documents folder, a default folder to save your received files.

Open the Pictures folder, a default folder to save your received pictures.

Launch Settings.

Shut down, restart, or put the computer into sleep mode.

Open the Start menu.

Type what you are looking for in the search box and get search results from your computer and the Web.

Display all opened apps and switch among them.

Display notifications and status of some features.

Display power status and change battery or power settings. When your computer is not connected to ac power, the icon changes to

Connect to an available wireless network and display the network status. When connected to a wired network, the icon changes to

Display the latest notifications from apps and provide quick access to some features.

Open the Start menu

• Click the Start button.

• Press the Windows logo key on the keyboard.

Open the Start context menu Right-click the Start button.

User Guide

Access Control Panel

• Open the Start menu and click Windows System ➙ Control Panel.

• Use Windows Search.

Launch an app

• Open the Start menu and select the app you want to launch.

• Use Windows Search.

Connect to networks

Your computer helps you connect to the world through a wired or wireless network.

Connect to the wired Ethernet

Connect your computer to a local network through the Ethernet connector on your computer with an Ethernet cable.

Connect to Wi-Fi networks

1. Click the network icon in the Windows notification area. A list of available wireless networks is displayed.

2. Select a network available for connection. Provide required information, if needed.

Use Lenovo Vantage

The preinstalled Lenovo Vantage is a customized one-stop solution to help you maintain your computer with automated updates and fixes, configure hardware settings, and get personalized support.

Access Lenovo Vantage

Open the Start menu and click Lenovo Vantage. You also can type Lenovo Vantage in the search box.

To download the latest version of Lenovo Vantage, go to Microsoft Store and search by the app name.

Key features

Lenovo Vantage enables you to:

• Know the device status easily and customize device settings.

• Download and install UEFI BIOS, firmware and driver updates to keep your computer up-to-date.

• Monitor your computer health, and secure your computer against outside threats.

• Look up warranty status (online).

• Access User Guide and helpful articles.

Notes:

• The available features vary depending on the computer model.

• Lenovo Vantage makes periodic updates of the features to keep improving your experience with your computer. The description of features might be different from that on your actual user interface.

Chapter 2. Get started with your computer 7

Use multimedia

Use your computer for business or entertainment with the devices (such as a camera, a monitor, or speakers).

Use audio

To enhance the audio experience, connect speakers, headphones, or a headset to the audio connector.

Adjust the volume

1. Click the volume icon in the Windows notification area on the taskbar.

2. Follow the on-screen instructions to adjust the volume. Click the speaker icon to mute the audio.

Change the sound settings

1. Go to Control Panel and view by category.

2. Click Hardware and Sound ➙ Sound.

3. Change the settings as you prefer.

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Chapter 3. Explore your computer

Manage power

Use the information in this section to achieve the best balance between performance and power efficiency.

Set power button behaviors

You can define what the power button does according to your preference. For example, by pressing the power button, you can turn off the computer or put the computer to sleep or hibernation mode.

To change what the power button does:

1. Go to Control Panel and view by large icons or small icons.

2. Click Power Options ➙ Choose what the power buttons do.

3. Change the settings as you prefer.

Set the power plan

For ENERGY STAR® compliant computers, the following power plan takes effect when your computers have been idle for a specified duration:

Table 1. Default power plan (when plugged into ac power)

• Turn off the display: After 10 minutes

• Put the computer to sleep: After 25 minutes

To awaken the computer from Sleep mode, press any key on your keyboard.

To reset the power plan to achieve the best balance between performance and power saving:

1. Go to Control Panel and view by large icons or small icons.

2. Click Power Options, and then choose or customize a power plan of your preference.

Transfer data

Quickly share your files using the built-in Bluetooth technology among devices with the same features. You also can install a disc or media card to transfer data.

Connect to a Bluetooth-enabled device (for selected models)

You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a smartphone, or speakers. To ensure that the connection is successful, place the devices 10 meters (33 feet), at most, from the computer.

1. Turn on Bluetooth on the computer. a. Open the Start menu, and then click Settings ➙ Devices ➙ Bluetooth & other devices. b. Turn on the Bluetooth switch.

2. Click Add Bluetooth or other device ➙ Bluetooth.

3. Select a Bluetooth device, and then follow the on-screen instructions.

Your Bluetooth device and computer will automatically connect the next time if the two devices are in range of each other with Bluetooth turned on. You can use Bluetooth for data transfer or remote control and communication.

Lock the computer

Note: You are responsible for evaluating, selecting, and implementing the locking device and security

feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo.

Kensington-style cable lock

Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock.

Purchase accessories

Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, power adapters, keyboards, mice, and more.

To shop at Lenovo, go to

User Guide

https://www.lenovo.com/accessories.

Chapter 4. Troubleshooting, diagnostics, and recovery

This chapter provides solutions to resolve computer problems. Use the basic procedure as a starting point for resolving computer problems.

Basic procedure for resolving computer problems

Prerequisite

Before you start, read Appendix A “Important safety information” on page 41 and print the following instructions.

1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly. c. All connected devices that require ac power are connected to properly grounded and working

electrical outlets.

d. All connected devices are enabled in UEFI BIOS.

2. Use an antivirus program to see if the computer has been infected by a virus. If the program detects a virus, remove the virus.

3. Go to “Troubleshooting” on page 11 and follow the instructions for the type of problem you are experiencing.

4. Recover your operating system. See “Recovery” on page 17.

5. If the problem persists, contact Lenovo. See Chapter 6 “Help and support” on page 37.

Troubleshooting

Use the troubleshooting information to find solutions to problems that have definite symptoms.

Startup problems

Problem Solution

• Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet.

The computer does not start up when you press the power button.

The operating system does not start up from the correct storage drive or fails to start up

• If the computer has a secondary power switch on the rear of the computer, ensure that it is switched on.

• The power indicator on the front of the computer is on.

• The computer voltage matches the voltage available at the electrical outlet for your country or region.

• Ensure that all storage drive signal cables and power cables are connected correctly.

• Ensure that the storage drive the computer starts up from is listed as the first startup device in UEFI BIOS.

• In rare cases, the storage drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the storage drive.

• If the computer is installed with an Optane memory:

– Ensure that the Optane memory is not removed. – Ensure that the Optane memory is not damaged. Check the

Optane memory using diagnostic tools.

The computer beeps multiple times before the operating system starts up.

Ensure that no keys are stuck.

12 User Guide

Audio problems

Problem Solution

• If you are using powered external speakers that have an On/Off

control, ensure that:

– The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded,

• If your external speakers have a volume control, ensure that the

volume is not set too low.

• Click the volume icon in the Windows notification area on the

taskbar. Check the speaker and volume settings. Do not mute the speaker or set the volume at a very low level.

• If your computer has a front audio panel, ensure that the volume is

not set too low.

The audio cannot be heard on the Windows operating system.

• Ensure that your external speakers (and headphones, if used) are

connected to the correct audio connector on the computer. Most speaker cables are color-coded to match the audio connector.

Note: When external-speaker or headphone cables are connected to the audio connector, the internal speaker, if present, is disabled. In most cases, if an audio adapter is installed in one of the expansion slots, the audio function built into the system board is disabled. Therefore, you must use the audio connectors on the audio adapter.

• Ensure that the program you are running is designed for use in the

Microsoft Windows operating system. If the program is designed to run in DOS, the program does not use the Windows sound feature. The program must be configured to use SoundBlaster Pro or SoundBlaster emulation.

• Ensure that the audio device drivers are correctly installed.

functional ac electrical outlet.

The sound does not come from the headset or headphones.

The sound comes from one of the external speakers.

Select the headset or headphones as the default audio output device in advanced sound settings.

• Ensure that the speaker cable is inserted completely into the

connector on the computer.

• Ensure that the cable that connects the left speaker to the right

speaker is securely connected.

• Ensure that the balance settings are set correctly.

1. Right-click the volume icon in the Windows notification area

2. Click the speaker icon on top of the volume control, and then

Network problems

Note: The Wi-Fi and Bluetooth features are optional.

on the taskbar. Then, click Open Volume Mixer and select the desired speaker.

click the Levels tab.

Chapter 4. Troubleshooting, diagnostics, and recovery 13

Problem Solution

• Connect the cable from the Ethernet connector to the RJ45 connector of the hub.

• Enable the Ethernet LAN feature in UEFI BIOS.

• Enable the Ethernet LAN adapter.

1. Go to Control Panel and view by large icons or small icons.

2. Click Network and Sharing Center ➙ Change adapter

The computer cannot connect to an Ethernet LAN.

When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps, the Ethernet LAN connection fails or errors occur.

The Wake On LAN (WOL) feature does not work.

3. Right-click the Ethernet LAN adapter icon and click Enable.

• Update or reinstall the Ethernet LAN driver.

• Install all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software.

• Set the same duplex for the switch port and the adapter. If you configured the adapter for full duplex, ensure that the switch port is also configured for full duplex. Setting a wrong duplex mode might degrade performance, cause data loss, or result in lost connections.

Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE-T hub/switch (not 100 BASE-X).

Enable the Wake On LAN feature in UEFI BIOS.

settings.

The Wi-Fi feature does not work.

• Enable the Wi-Fi feature in UEFI BIOS.

• Enable all Wi-Fi devices.

1. Right-click the Start button to open the Start context menu.

2. Click Device Manager. Type the administrator password or provide confirmation, if prompted.

3. Expand Network adapters to display all network devices.

4. Right-click each Wi-Fi device, and then click Enable device.

• Enable the Wi-Fi feature in Windows Settings.

1. Open the Start menu.

2. Click Settings ➙ Network & Internet ➙ Wi-Fi.

3. Enable the Wi-Fi feature.

• Update or reinstall the Wi-Fi driver.

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Problem Solution

• Enable the Bluetooth feature in UEFI BIOS.

• Enable all Bluetooth devices.

1. Right-click the Start button to open the Start context menu.

2. Click Device Manager. Type the administrator password or

3. Expand Bluetooth to display all Bluetooth devices. Right-click

The Bluetooth feature does not work.

4. Expand Network adapters to display all network devices.

• Turn on the Bluetooth radio.

1. Open the Start menu.

2. Click Settings ➙ Devices ➙ Bluetooth & other devices.

3. Turn on the Bluetooth switch to enable the Bluetooth feature.

• Update or reinstall the Bluetooth driver.

provide confirmation if prompted.

each Bluetooth device, and then click Enable device.

Right-click each Bluetooth device, and then click Enable device.

Sound does not come from the Bluetooth headset or headphones.

Select the Bluetooth headset or headphones as the default audio output device in advanced sound settings.

Chapter 4. Troubleshooting, diagnostics, and recovery 15

Performance problems

Problem Solution

Note: Depending on the volume of the storage drives and amount of

data stored on the storage drives, the disk-defragmentation process might take up to several hours.

1. Close any open programs and windows.

2. Open the Start menu. Excessive fragmented files exist on the storage drives.

The free storage drive space is insufficient.

3. Click Windows System ➙ File Explorer ➙ This PC.

4. Right-click your C drive and then click Properties.

5. Click the Tools tab.

6. Click Optimize. Select the drive as desired, and then click

7. Follow the on-screen instructions.

• Clean out your Inbox, Sent Items, and Deleted Items folders from your e-mail application.

• Clean up your C drive.

1. Open the Start menu.

2. Click Windows System ➙ File Explorer ➙ This PC.

3. Right-click your C drive and then click Properties.

4. Check the amount of free space, and then click Disk Cleanup.

5. A list of unnecessary file categories is displayed. Select the

• Disable some Windows features or remove some unnecessary programs.

1. Go to Control Panel and view by large icons or small icons.

2. Click Programs and Features.

3. Do one of the following:

Optimize.

category you want to delete, and then click OK.

– To disable some Windows features, click Turn Windows

features on or off. Follow the on-screen instructions.

– To remove some unnecessary programs, select the

program you want to remove, and then click Uninstall/ Change or Uninstall.

The free memory space is insufficient.

16 User Guide

• Right-click a blank area on the taskbar and open Task Manager. Then, end some tasks you are not performing.

• Install additional memory modules.

Storage drive problems

Problem Solution

• Ensure that the signal cables and power cables for all the storage

drives are connected correctly.

• Ensure that the computer is configured correctly to support the

storage drives. Some or all storage drives are missing from the BIOS menu.

– If the computer is installed with SATA storage drives, ensure

– If the computer is installed with SAS storage drives, ensure that

Software problems

Problem Solution

1. Check whether the problem is caused by a program.

Some programs do not work as expected.

2. If the problem is caused by a program:

that the SATA storage drive enablement module (one to five storage drives) is installed.

the SAS storage drive enablement module (one to five storage drives) or the LSI MegaRAID SAS adapter is installed.

a. Ensure that the software is compatible with the computer.

Refer to the information supplied with the software for more

information. b. Verify that other software works correctly on the computer. c. Verify that the software you are using works on another

computer.

• Refer to the printed documentation that comes with the

program or the help system of the program.

• Update the program.

• Uninstall the program and then reinstall it. To download a

program that is preinstalled on your computer, go to

pcsupport.lenovo.com

and follow the on-screen instructions.

https://

Recovery

This section introduces the recovery information of the Windows 10 operating system. Ensure that you read and follow the on-screen recovery instructions. The data on your computer might be deleted during the recovery process. To avoid data loss, make a backup copy of all the data that you want to keep.

Restore system files and settings to an earlier point

1. Go to Control Panel and view by large icons or small icons.

2. Click Recovery ➙ Open System Restore. Then, follow the on-screen instructions.

Restore your files from a backup

Note: If you use the File History tool to restore your files from a backup, ensure that you backed up your

data earlier with the tool.

1. Go to Control Panel and view by large icons or small icons.

2. Click File History ➙ Restore personal files. Then, follow the on-screen instructions.

Chapter 4. Troubleshooting, diagnostics, and recovery 17

Reset your computer

In the resetting process, you can choose to keep your files or remove them when you reinstall the operating system.

Note: The items in the graphical user interface (GUI) might change without notice.

1. Open the Start menu, and then click Settings ➙ Update & Security ➙ Recovery.

2. In the Reset this PC section, click Get started.

3. Follow the on-screen instructions to reset your computer.

Use advanced options

1. Open the Start menu, and then click Settings ➙ Update & security ➙ Recovery.

2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options.

3. Select a preferred option, and then follow the on-screen instructions.

Windows automatic recovery

Note: Ensure that your computer is connected to ac power during the recovery process.

The Windows recovery environment on your computer operates independently from the Windows 10 operating system. It enables you to recover or repair the operating system even if the Windows 10 operating system fails to start.

After two consecutive failed boot attempts, the Windows recovery environment starts automatically. Then, you can choose repair and recovery options by following the on-screen instructions.

Create and use a recovery USB device

It is recommended that you create a recovery USB drive as early as possible as a backup for the Windows recovery programs. With the recovery USB drive, you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs are damaged.

Create a recovery USB drive Attention: The creation process deletes anything stored on the USB drive. To avoid data loss, make a

backup copy of all the data that you want to keep.

1. Ensure that your computer is connected to ac power.

2. Prepare a USB drive with at least 16 GB of storage capacity. The actual USB capacity required depends on the size of the recovery image.

3. Connect the prepared USB drive to the computer.

4. Type recovery in the search box. Then, click Create a recovery drive.

5. Click Yes in the User Account Control window to allow the Recovery Media Creator program to start.

6. In the Recovery Drive window, follow the on-screen instructions to create a recovery USB drive.

Use the recovery USB drive

If you cannot start your computer, go to Chapter 6 “Help and support” on page 37 first to try to solve the problem by yourself. If you still cannot start your computer, use the recovery USB drive to recover your computer.

1. Ensure that your computer is connected to ac power.

2. Connect the recovery USB drive to the computer.

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