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Lenovo Manuals
Desktop
HORIZON 2s
Maintenance manual
Table Of Contents - Lenovo HORIZON 2s Maintenance Manual
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User manual
(51 pages)
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Contents
Chapter 1. About this manual
. . . . .
Important Safety Information
. . . . . . . . .
Chapter 2. Safety information
. . . . .
General safety
. . . . . . . . . . . . . . .
Electrical safety
. . . . . . . . . . . . . .
Safety inspection guide
. . . . . . . . . . .
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . .
Grounding requirements
. . . . . . . . . . .
Safety notices
. . . . . . . . . . . . . . .
Chapter 3. General information
. . . .
Specifications
. . . . . . . . . . . . . . .
Chapter 4. General Checkout
. . . . . 11
Chapter 5. Using the Setup Utility
. . . 13
Starting the Lenovo BIOS Setup Utility program
Viewing and changing settings
. . . . . . . .
Using passwords
. . . . . . . . . . . . . .
Enabling or disabling a device
Selecting a startup device
. . . . . . . . . .
Changing booting mode
. . . . . . . . . . .
Exiting the Lenovo BIOS Setup Utility program
. .
Chapter 6. Symptom-to-FRU Index
. . 19
Hard disk drive boot error
. . . . . . . . . .
Power Supply Problems
. . . . . . . . . . .
POST error codes
. . . . . . . . . . . . .
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Undetermined problems
. . . . . . . . . . .
Chapter 7. Locating connectors,
controls and components
. . . . . . 21
Chapter 8. Replacing hardware
. . . . 25
General information
. . . . . . . . . . . . .
Replacing the keyboard and mouse
. . . . . .
Replacing the power adapter
. . . . . . . . .
Removing the rear cover
. . . . . . . . . . .
Replacing the battery
. . . . . . . . . . . .
Replacing the hard disk drive
. . . . . . . . .
Replacing the Wi-Fi card
. . . . . . . . . . .
Replacing the heat-sink
. . . . . . . . . . .
Replacing a system fan
. . . . . . . . . . .
Replacing the I/O board
. . . . . . . . . . .
Replacing the speaker system
. . . . . . . .
Replacing the power connector
. . . . . . . .
Replacing the dongle connector
. . . . . . . .
Replacing the power docking board
. . . . . .
Replacing the button board
. . . . . . . . . .
Replacing the motherboard
. . . . . . . . . .
Replacing the camera
. . . . . . . . . . . .
Replacing the LED panel module
. . . . . . .
Chapter 9. FRU lists
. . . . . . . . . . 45
Chapter 10. Additional Service
Information
. . . . . . . . . . . . . . 51
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