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Lenovo
H520S manual
Models:
H520S
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Specs
Error codes
Symptom-to-FRU Index
Using the Setup Utility
Pre-disassembly instructions
Wi-Fi
Remote Controller
Safety
Replacing the Power supply
Additional Service Information
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Contents
Lenovo H520s Hardware Maintenance Manual
Page
Lenovo H520s Hardware Maintenance Manual
Page
Contents
Iv Lenovo H520sHardware Maintenance Manual
Important Safety Information
About this manual
Lenovo H520sHardware Maintenance Manual
General safety
Safety information
Electrical safety
Lenovo H520sHardware Maintenance Manual
Safety inspection guide
Handling electrostatic discharge-sensitive devices
Safety notices
Grounding requirements
Do not
To Connect To Disconnect
≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs
Specifications
General information
Type Lenovo H520s
Environment
Lenovo H520sHardware Maintenance Manual
General Checkout
Lenovo H520sHardware Maintenance Manual
Using the Setup Utility
Starting the Lenovo Bios Setup Utility program
Viewing and changing settings
Using passwords
Setting, changing, or deleting an Administrator password
Administrator Password
Setting, changing, or deleting a Power-On Password
Enabling or disabling a device
Select Save changes and Exit from the menu
Selecting a temporary startup device
Selecting a startup device
Selecting or changing the startup device sequence
Exiting the Lenovo Bios Setup Utility program
Lenovo H520sHardware Maintenance Manual
Symptom-to-FRU Index
Hard disk drive boot error
Power Supply Problems
Error FRU/Action
Undetermined problems
Post error codes
Post Error Message Description/Action
Locating connectors, controls and components
Font view
Rear view
Hardware components
Identifying parts on the motherboard
Lenovo H520sHardware Maintenance Manual
Replacing hardware
Pre-disassembly instructions
General information
Replacing the keyboard and mouse
Removing the computer cover
To replace the keyboard and mouse
To remove the computer cover
Removing the front bezel
To remove the front bezel
Replacing an optical drive
To replace an optical drive
Replacing hardware
Replacing the hard disk drive
To replace the hard disk drive
Replacing a memory module
To replace an optical drive
Replacing the Power supply
Replacing the graphic card
Lenovo H520sHardware Maintenance Manual
Replacing the system fan
Replacing the microprocessor fan
Replacing the heat-sink
Replacing the CPU
Lenovo H520sHardware Maintenance Manual
Replacing the Wi-Fi card
Replacing the front USB/card reader/audio module
Replacing the motherboard
Lenovo H520sHardware Maintenance Manual
FRU lists
Processor
Mother Board
Memory
MT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR
HMT351U6CFR8C-PB 4GB D3-1600RAM-HF
Hard Drive
Power Supply
Optical Drive
Graphic Card
Mechanical
Wi-Fi PCI-E Interface Card
Remote Controller
TV Tunner
USB 3.0 PCI-E Interface Card
Keyboard & Mouse
Chassis
Lenovo H520sHardware Maintenance Manual
Additional Service Information
Power management
Advanced configuration and power interface Acpi Bios
Automatic Power-On features
