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IBM manual ThinkPad T20, T21, T22 and T23 series

Models: T21 T22

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Specifications Install Before replacing parts Parts list Error codes Password Status indicators Symptom-to-FRU index FRU replacement notices Diagnostics Interactive Tests

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Removing and replacing a FRU

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ThinkPad T20, T21, T22 and T23 series 77

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IBM manual ThinkPad T20, T21, T22 and T23 series

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Contents

Page Page About this manual Iv ThinkPad T20, T21, T22, T23 MT 2647/2648 Contents Dimm Strategy for replacing FRUs Important service informationBefore replacing parts Strategy for replacing a hard-disk drive How to use error messagesDiskette compatibility matrix Safety notice Safety notices multilingual translations ThinkPad T20, T21, T22, T23 MT 2647/2648 Continuation of safety notice ThinkPad T20, T21, T22, T23 MT 2647/2648 La pile de sauvegarde contient du lithium. Elle Continuation of safety notice Safety notice Safety notice Safety notice ThinkPad T20, T21, T22, T23 MT 2647/2648 General safety Safety information Electrical safety Safety inspection guide ThinkPad T20, T21, T22, T23 MT 2647/2648 Grounding requirements Laser compliance statement Radiação ThinkPad T20, T21, T22, T23 MT 2647/2648 What to do first Read this first Following are not covered under warranty Ordering the recovery CD Related service informationService web site Restoring the preloaded system Creating a Recovery Repair diskette Select Create a Recovery Repair diskette. Press Enter Product Recovery program Install preloaded system from CD Using the recovery CDTo create the service partition Reinstall the Product Recovery program? Y/N Hard-disk password PasswordsTo use the Recovery Repair diskette Power-on password Select Power-On Password Supervisor passwordHow to remove the power-on password Select Master HDP Power managementHow to remove the hard-disk password Screen blank mode Standby mode Hibernation mode Related service information Checkout guide Testing the computer Diagnostics Interactive Tests Utility Detecting system information with PC-DoctorHardware Info Checking the ac adapter Power system checkout Checking operational charging Checking the battery pack Red + Black Checking the backup battery ThinkPad T20, T21, T22, T23 MT 2647/2648 ThinkPad T20, T21, T22 and T23 series Page Product overview Specifications T21, T22, T23 MB 3-mode, 3.5-inch diskette drive 3 4 Status indicators Indicator Meaning Following table shows the test for each FRU FRU Tests FRU Key Description Combination Fn key combinations Numeric error codes Symptom-to-FRU index Dimm Dimm Properly identified Error messages Beep symptoms Connectors LCD-related symptoms Undetermined problems Intermittent problems Logic card to plastic FRU replacement noticesScrew notices Plastic to plastic Select 2. Read S/N data from Eeprom Retaining serial numbersRestoring the serial number of the system unit Retaining the Uuid FRU replacement notices Removing and replacing a FRU Battery pack Backup battery Removing and replacing a FRU Do not drop or apply any shock to the hard-disk Hard-disk drive Removing and replacing a FRU Dimm For T20, T21 and T22 series Mini PCI adapter ThinkPad T20, T21, T22 and T23 series For T23 series Removing and replacing a FRU Ethernet daughter card Step Screw quantity Torque When installing Make sure that both of the connectors Ultrabay 2000 device Keyboard But do not remove it Are common for all models ThinkPad T20, T21, T22 and T23 series ThinkPad T20, T21, T22, T23 MT 2647/2648 Removing and replacing a FRU Computer as shown ThinkPad T20, T21, T22 and T23 series Keyboard CRU insulator Hinge cover For T20 and T21 series When installing For T22 series When installing For T23 series Keyboard bezel ThinkPad T20, T21, T22 and T23 series For T23 series M2.5 × 3.5 mm, nylon-coated 392 Nm Kgfcm ThinkPad T20, T21, T22, T23 MT 2647/2648 When installing, do as follows For T20, T21, T22 series Fan assembly For T21, T22 When installing the fan assembly For T20 For T23 series M2.0 × 13.5 mm, nylon-coated 245 Nm Kgfcm 1130 CPU For T23 series PC Card slot assembly Removing and replacing a FRU For T23 series Speaker For T22 series For T23 series Before installing new speaker for T22 and T23 series Hard-disk bay Are only for T23 series is not turned For T20 series Ultrabay 2000 slot For T21 and T22 series For T23 series Removing and replacing a FRU To step Are common for T20, T21, T22 T23 series To fix it firmly System board Removing and replacing a FRU For T23 series Removing and replacing a FRU Secure chip Microphone cable LCD assembly For models excepting MT2647-xLx, xNx For MT2647-xLx, xNx Front bezel Inverter card LCD panel Step Screw quantity Torque ThinkPad T20, T21, T22, T23 MT 2647/2648 ThinkPad T20, T21, T22 and T23 series Antenna assembly Removing and replacing a FRU Removing and replacing a FRU Sub card When installing, do the following Before replacing the PCI cover ThinkPad Dock PCI cover Bottom view ThinkPad T20, T21, T22, T23 MT 2647/2648 Rear View ThinkPad Dock top cover Bottom View View, shown in the circle Removing and replacing a FRU Removing and replacing a FRU Locations Front view Rear view Bottom view LCD HDD Parts list T20, T21, T22 and T23 series model matrix CMG DVD 2KC 2647-5Nx, 9Nx 802.11 14.1-in HNx, NNx *2 For T20, T21 and T22 Overall FRUs marked with Are also available as Optional FRUs MB Sdram SO Dimm PC100 FRU Asset ID RF adapter see Optional FRUs on For T23 26P9158 Toshiba MB Sdram SO Dimm PC133 AC adapters 13.3-in. XGA TFT LCD FRUs 14.1-in. XGA TFT 14.1-in. SXGA+ TFT NMB Alps Recovery CDs For Windows 2000/Windows NT T22 series For Windows 2000 T22 series For Windows 98 T23 series For Windows 2000 T23 series For Windows 2000/Windows NT T23 series For Windows XP T23 series Miscellaneous parts ThinkPad T20, T21, T22, T23 MT 2647/2648 FRU Optional FRUs ThinkPad T20, T21, T22 and T23 series Tools Common parts listPower cords system Power cords docking station Trademarks ThinkPad T20, T21, T22 and T23 series Part Number 62P9631 1P P/N 62P9631

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