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Lenovo 4284WW9PC10B371, W520, T520i manual

Models: T520 W520 4284WW9PC10B371 T520i

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Install Parts list Error codes FRU replacement notices Supported RAID configurations Wire Voltage V dc Symptom-to-FRU index Diagnostics Interactive Tests Keyboard bezel assembly Backup battery

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Lenovo 4284WW9PC10B371, W520, T520i manual

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Manual 176 pages 57.35 Kb

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Contents

ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Page ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Second Edition March Copyright Lenovo Contents Locations About this manual Page Safety information General safetyElectrical safety Safety inspection guide Safety notices multilingual translations Grounding requirementsSafety information ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Safety information ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Safety information ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Laser compliance statement multilingual translations ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Safety information ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Safety information ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Important service information Strategy for replacing FRUsImportant notice for replacing a system board How to use error messageStrategy for replacing a hard disk drive FRU identification for CTO, CMV, and GAV products General Announce Variant GAVThinkPad T520, T520i, and W520 Hardware Maintenance Manual General checkout What to do firstDiagnostics using PC-Doctor for DOS Checkout guideTesting the computer Hardware Info Diagnostics Interactive TestsLenovo ThinkVantage Toolbox UtilityFRU tests Applicable testPower system checkout Checking operational charging Checking the battery packChecking the ac adapter Pin Voltage V dcTerminal Voltage V dc Checking the backup batteryWire Voltage V dc Related service information Restoring the factory contents by using Recovery Disc SetHard-disk password PasswordsPower-on password How to remove the hard-disk password Supervisor passwordHow to remove the power-on password Sleep standby mode Power managementScreen blank mode Hibernation mode Symptom-to-FRU indexNumeric error codes Error messages Beep symptoms Intermittent problems No-beep symptomsLCD-related symptoms Undetermined problems Creating RAID volumes Installing and configuring RAIDSupported RAID configurations RAID Level 0 RAID 0 Striped disk arrayDeleting RAID volumes Status indicators Indicator Meaning Indicator Meaning ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Fn key combinations Key combination DescriptionFor Windows For Windows Vista and Windows XPPower Option in the Control Panel or use the Power Manager ThinkPad T520, T520i, and W520 Hardware Maintenance Manual FRU replacement notices Screw noticesRetaining the Uuid Retaining serial numbersRestoring the serial number of the system unit MTM on rear labelReading or writing the ECA information EepromThinkPad T520, T520i, and W520 Hardware Maintenance Manual Removing and replacing a FRU Battery pack Before servicing ThinkPad T520, T520i, and W520For access, remove this FRU Battery pack on Serial Ultrabay Enhanced device or travel bezelDimm slot cover Dimm bottom slot For ThinkPad T520 and T520i For ThinkPad W520 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Keyboard Step Screw quantity Color TorqueWhen installing the keyboard, do as follows Removing and replacing a FRU Installation steps of keyboard Dimm upper slotPCI Express Mini Card for wireless LAN Removal steps of Dimm upper slotRemoval steps of PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless WAN When installingRemoval steps of PCI Express Mini Card for wireless WAN Keyboard bezel assembly Removal steps of ExpressCard blank bezel or ExpressCardRemoval steps of keyboard bezel assembly Bluetooth daughter card BDC-3.0 Backup battery Smart Card or Smart Card dummy spacer Removal steps of Smart Card Speaker assembly Removal steps of speaker assembly Thermal module Removal steps of thermal moduleFor Switchable Graphics models 1160 CPU For Integrated Graphics models For Workstation modelsLCD unit Removal steps of CPUStep Screw cap Screw quantity Color Torque Step Screw quantity Color TorqueM2 × 4 mm, wafer-head, nylon-coated Black 181 Nm Kgfcm Base cover assembly Removal steps of base cover assembly 1190 I/O sub card Removal steps of I/O sub card Important notices for RAID setting Important notices for handling the system boardLocation of major sensitive components on the system board Removal steps of system board and magnesium structure frame LCD bezel assembly Step Screw cap Screw quantity Color TorqueLED sub card Integrated camera LCD cable, camera cable, LCD panel, and hingesLCD unit on LCD bezel assembly on ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Antenna kit and LCD rear cover assembly Removal steps of antenna kit and LCD rear cover assembly Locations Front viewRear view Bottom view ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Optional-service CRUs Parts listSelf-service CRUs Overall CRU FRU Overall FRU no CRUCRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU CRU LCD FRUs FRU ThinkPad T520, T520i and W520 LCD FRU no CRU CRU CRU CRU CRU Keyboard Language FRU noMiscellaneous parts AC adapters Power cords Recovery discs Windows 7 Home Basic 32 bit DVDs RegionWindows 7 Home Premium 64 bit DVDs LanguageWindows 7 Professional 32 bit DVDs Windows 7 Professional 64 bit DVDs 4281-CTO 4282-CTO, 29x, 3Px 4284-CTOCommon service tools ToolAppendix A. Notices Electronic emissions notices TrademarksPage 0A6007801