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IBM X24, X20, X21 manual For X22, X23

Models: X21 X20 X22 X24 X23

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Specification Before replacing parts Error codes Password Status indicators Wire Symptom-to-FRU index Fan assembly Battery pack Backup battery

Page 90

For X22, X23, X24

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Step	Screw (quantity)	Torque

	M2 ⋅ 3.5mm (2)	19.6 Ncm (2 kgfcm)
	Nylock-coated Silver

86ThinkPad X20, X21, X22, X23, X24

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IBM X24, X20, X21 manual For X22, X23

Page 89 Page 91

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Contents

ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual Page Contents LCD FRU Important service information FRU replacement strategyBefore replacing parts Hard disk drive replacement strategy How to use error messagesHow to read Post error messages Safety notices multilingual translations Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety Notice Safety information General safety Electrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statement Laser radiation Page ThinkPad X20, X21, X22, X23 General descriptions Read this first Following are not covered under warranty Page Product recovery program Related service informationService Web site Restoring the Pre-installed Software Using Recovery CD To create Service Partition SPInstall preloaded system from CD Creating a Recovery Repair diskette PasswordsTo use the Recovery Repair diskette Page Power management How to remove the hard-disk passwordPage Hibernation mode Power switch mode HibernationPage Testing the computer Checkout guide General descriptions Page Hardware Info Power system checkoutDetecting system information with PC-Doctor Utility Pin Voltage V dc +15.5 to +17.0 Ground Checking the backup battery Do the following Wire ThinkPad X20, X21, X22, X23 Inch XGA TFT X20 Page Specifications Product overview X20, X21, X22, X23 Status indicators Following table shows the test for each FRU CD-ROM/DVD Fn key combinations Memory Test Quick Symptom-to-FRU index Numeric error codes Dimm Error messages Beep symptoms No beep symptoms LCD-related symptoms Intermittent problems Undetermined problems Plastic to plastic FRU replacement noticesScrew notices Logic card to plastic Torque driver Retaining serial numbersRestoring the serial number of the system unit Identification Select 2. Read S/N data from Eeprom Retaining the Uuid Removing and replacing a FRU Battery pack Dimm Backup battery Battery pack Dimm Hard disk drive ThinkPad X20, X21, X22, X23 Keyboard For X20Page For X22, X23 Page KBD Control Panel Assemble Page Mini PCI adapter CDC adapter BDC adapter For X23 Fan assembly For X22 For Wirelesslan assembly for X22 X24 LCD assembly ThinkPad For X22, X23 ThinkPad X20, X21, X22, X23 Case Keyboard deck Case Keyboard deck up then remove it Case Keyboard deck up then remove it Speaker For X22, X23 PC Card slot assembly Irda Port For X22, X23 1170 RJ11, RJ45 For X22, X23 System board Step Screw quantity Torque M2 ⋅ 3.5mm 1 Silver Ncm 2 kgfcm LCD USB cover Front bezel Step Screw quantity Torque M2.6 ⋅ 5mm 3 BK Ncm 3 kgfcm LCD panel XGA for X20 Svga for X20 ThinkPad X20, X21, X22, X23, X24 XGA for X22, X23 ThinkPad X20, X21, X22, X23, X24 Locations Front view for X20 Front view for Front view for X23 Page Rear view for X20 Rear view for X22, X23Page Bottom view Parts List X20 series model matrix X21 series model matrix X22 series model matrix X23 series model matrix X24 series model matrix LCD FRU Inch XGA TFT X20 Inch Svga TFT ThinkPad X20, X21, X22, X23, X24 Inch XGA TFT X22, X23 Description FRU No System FAN For ThinkPad X20, X21, X22, X23, X24 ThinkPad X20, X21, X22, X23 For HDD 30 GB IBM For FRU Language Base Cover FRU 2662 China 04P3462 Taiwan 04P3463 2661 I Series 04P3464 Recovery CDs for X21 Series Windows 98 recovery CDs Windows 2000 recovery CDs Windows 2000/Windows NT recovery CDs Recovery CDs for X22 Series Windows Me recovery CDs Windows XP Pro recovery CDs Windows XP Home recovery CDs Recovery CDs for X23 Series Recovery CDs for X24 Series Windows XP Pro recovery CDs Miscellaneous parts Misc PCB L3.5 Silver Options FRU list USB FDD Teac For 2-pin power cords Common parts list X20, X21, X22, X23Power code system For 3-pin power cordsX20 For 3-pin power cordsX22, X23 AC adapterX22, X23, X24 IBM power cords for a Trademarks IBM

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