Lenovo H520S manual

Lenovo H520s Hardware Maintenance Manual Page Lenovo H520s Hardware Maintenance Manual Page Contents Iv Lenovo H520sHardware Maintenance Manual Important Safety Information About this manualLenovo H520sHardware Maintenance Manual General safety Safety informationElectrical safety Lenovo H520sHardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices Grounding requirementsDo not To Connect To Disconnect≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Specifications General informationType Lenovo H520s EnvironmentLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Using the Setup Utility Starting the Lenovo Bios Setup Utility programViewing and changing settings Using passwordsSetting, changing, or deleting an Administrator password Administrator PasswordSetting, changing, or deleting a Power-On Password Enabling or disabling a device Select Save changes and Exit from the menuSelecting a temporary startup device Selecting a startup deviceSelecting 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 errorPower Supply Problems Error FRU/ActionUndetermined problems Post error codesPost 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 instructionsGeneral information Replacing the keyboard and mouse Removing the computer coverTo replace the keyboard and mouse To remove the computer coverRemoving the front bezel To remove the front bezel Replacing an optical driveTo replace an optical drive Replacing hardware Replacing the hard disk drive To replace the hard disk driveReplacing a memory module Replacing the Power supply Replacing the graphic card Lenovo H520sHardware Maintenance Manual Replacing the system fan Replacing the microprocessor fanReplacing 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 ProcessorMother Board MemoryMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR HMT351U6CFR8C-PB 4GB D3-1600RAM-HF Hard DrivePower Supply Optical DriveGraphic Card MechanicalWi-Fi PCI-E Interface Card Remote ControllerTV Tunner USB 3.0 PCI-E Interface CardKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Additional Service Information Power managementAdvanced configuration and power interface Acpi Bios Automatic Power-On features