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IBM manual ThinkPad X20, X21, X22, X23, X24, Step, Screw quantity, Torque, M2 ⋅ 3.5mm 2 BK

Models: X21 X20 X22 X24 X23

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Step	Screw (quantity)	Torque

	M2 ⋅ 3.5mm (2) BK	19.6 Ncm (2 kgfcm)

Chapter 3. ThinkPad X20, X21, X22, X23, X24 97

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IBM manual ThinkPad X20, X21, X22, X23, X24, Step, Screw quantity, Torque, M2 ⋅ 3.5mm 2 BK, Ncm 2 kgfcm

Contents

ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual First Edition March Chapter 1. Introduction ContentsChapter 2. General descriptions Chapter 3. ThinkPad X20, X21, X22, X23Chapter 4. Notices FRU replacement strategy Important service informationBefore replacing parts Chapter 1. IntroductionHow to read POST error messages Hard disk drive replacement strategyHow to use error messages Safety Notice Safety notices multilingual translations4 ThinkPad X20, X21, X22, X23 Safety NoticeSafety Notice Las baterías contienen pequeñas cantidades de Safety NoticeSafety Notice 8 ThinkPad X20, X21, X22, X23 Safety NoticeSafety Notice 10 ThinkPad X20, X21, X22, X23 Safety NoticeSafety Notice Safety Notice General safety Safety informationElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statement 18 ThinkPad X20, X21, X22, X23 Laser radiationChapter 1. Introduction DANGER v Use new nylon-coated screws when you replace FRUs v Only certified trained personnel should service the computerChapter 2. General descriptions Read this firstThe following are not covered under warranty Chapter 2. General descriptions v I9990303 errors can be caused by exposure to strongmagnetic fields Service Web site Related service informationProduct recovery program Restoring the Pre-installed SoftwareTo create Service Partition SP Using Recovery CDInstall preloaded system from CD “ENTER”To use the Recovery Repair diskette Creating a Recovery Repair diskettePasswords Page How to remove the hard-disk password Power managementv The CPU stops v The LCD is powered off v The hard disk drive is powered offTo enter standby mode, do any of the following v Press Fn + F4 v If the AC adapter is plugged inPower switch mode Hibernation Hibernation mode Note for Windows NTChapter 2. General descriptions Checkout guide Testing the computerDiagnostics 4. Run the applicable function test Detecting system information with PC-Doctor Power system checkoutHardware Info Utilityv ″Checking the AC adapter″ v ″Checking operational charging″ Checking the backup battery Do the following 2. Turn the computer upside down Chapter 3. ThinkPad X20, X21, X22, X23 For X22, X23 Windows 2000 recovery CDs Windows 98 recovery CDsWindows XP Pro recovery CDs Windows XP Home recovery CDsProduct overview Specificationsv Specifications v Status indicators v Fn key combinations This section presents the following product-unique informationChapter 3. ThinkPad X20, X21, X22, X23, X24 44 ThinkPad X20, X21, X22, X23 Status indicatorsApplicable test 46 ThinkPad X20, X21, X22, X23 Fn key combinations Numeric error codes Symptom-to-FRU indexChapter 3. ThinkPad X20, X21, X22, X23, X24 50 ThinkPad X20, X21, X22, X23 Error messagesNo beep symptoms Beep symptomsIntermittent problems LCD-related symptomsUndetermined problems Screw notices FRU replacement notices90 degrees more Cross section v Plastic to plastic180 degrees more Cross section Retaining serial numbersRestoring the serial number of the system unit v Torque driverIdentification Retaining the UUIDRemoving and replacing a FRU 1010 Battery pack Step 1020 DIMMScrew quantity Torque60 ThinkPad X20, X21, X22, X23 1030 Backup batteryv Battery pack v DIMM Attention Do not drop the hard disk drive or apply 1040 Hard disk drive62 ThinkPad X20, X21, X22, X23 For X20 1050 Keyboard64 ThinkPad X20, X21, X22, X23 When installing When installing the keyboard, do as followsA B C D E Chapter 3. ThinkPad X20, X21, X22, X23, X24 For X22, X2366 ThinkPad X20, X21, X22, X23 When installing When installing the keyboard, do as followsv Battery pack v Keyboard assembly 1060 KBD Control Panel Assembleframe A B C D E Chapter 3. ThinkPad X20, X21, X22, X23, X2468 ThinkPad X20, X21, X22, X23 2. Press the KBD Control Panel until its snaps fitFor X22, X23 1070 Mini PCI adapterFor X20 Antenna RF Connector removal 1080 CDC adapterFor X22, X23 08K7159For X23 1090 BDC adapter⋅ 6mm, Nylock-coated 1100 Fan assemblyFor X20 Chapter 3. ThinkPad X20, X21, X22, X23, X24 For X2210mm 1110 Wirelesslan assembly for X22 X24For X20 1120 LCD assemblyThinkPad 76 ThinkPad X20, X21, X22, X23ThinkPad Chapter 3. ThinkPad X20, X21, X22, X23, X24 For X22, X23Step 78 ThinkPad X20, X21, X22, X23Screw quantity TorqueFor X20 1130 Case Keyboard deck80 ThinkPad X20, X21, X22, X23 For X22, X23Case Keyboard deck up then remove it Chapter 3. ThinkPad X20, X21, X22, X23, X24 Case Keyboard deck up then remove itStep Screw quantityFor X20 1140 SpeakerChapter 3. ThinkPad X20, X21, X22, X23, X24 When installing Make sure that you fasten the connector firmlyFor X22, X23 For X20 1150 PC Card slot assemblyFor X22, X23 1160 IRDA Port86 ThinkPad X20, X21, X22, X23 For X22, X23For X20 1170 RJ11, RJ4588 ThinkPad X20, X21, X22, X23 For X22, X23For X20 1180 System board90 ThinkPad X20, X21, X22, X23 For X22v Battery pack v Keyboard assembly v Wirelesslan assembly 1190 LCD USB cover 1200 Front bezelv LCD assembly Chapter 3. ThinkPad X20, X21, X22, X23, X24Step 92 ThinkPad X20, X21, X22, X23Screw quantity TorqueXGA for X20 1210 LCD panel94 ThinkPad X20, X21, X22, X23 SVGA for X20Step Chapter 3. ThinkPad X20, X21, X22, X23, X24Screw quantity Torque96 ThinkPad X20, X21, X22, X23 XGA for X22, X23Step Chapter 3. ThinkPad X20, X21, X22, X23, X24Screw quantity TorqueFront view for Locations Front view for X20System status indicators Power switch Battery and standby mode status indicators USB port Hard Disk DriveFront view for X23 100 ThinkPad X20, X21, X22, X23 ThinkPad Button TrackPoint pointing stick TrackPoint ButtonsRear view for X22, X23 Rear view for X20PC Card eject button Security keyhole Power jack Universal serial bus USB connector External-monitor connectorUniversal serial bus USB connector Line-in jack LAN connector Power jack External-monitor connectorModem connector PC card slot PC Card eject button IrDA port Security keyholeBattery Pack Battery Pack latches Docking connector Memory cover Bottom viewLCD latches Chapter 3. ThinkPad X20, X21, X22, X23, X24X21 series model matrix Parts List X20 series model matrixX23 series model matrix X22 series model matrix106 ThinkPad X20, X21, X22, X23 X24 series model matrix12.1-inch XGA TFT X20 LCD FRU108 ThinkPad X20, X21, X22, X23 12.1-inch SVGA TFTChapter 3. ThinkPad X20, X21, X22, X23, X24 110 ThinkPad X20, X21, X22, X23 12.1-inch XGA TFT X22, X23FRU No Chapter 3. ThinkPad X20, X21, X22, X23, X24Description 112 ThinkPad X20, X21, X22, X23 SystemFor X20 Chapter 3. ThinkPad X20, X21, X22, X23, X24 1820 114 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 116 ThinkPad X20, X21, X22, X23 Chapter 3. ThinkPad X20, X21, X22, X23, X24 1820118 ThinkPad X20, X21, X22, X23 Chapter 3. ThinkPad X20, X21, X22, X23, X24 1820120 ThinkPad X20, X21, X22, X23 For X22, X23 KeyboardFor X20 122 ThinkPad X20, X21, X22, X23 Base Cover FRUChapter 3. ThinkPad X20, X21, X22, X23, X24 124 ThinkPad X20, X21, X22, X23 Recovery CDs for X21 SeriesWindows 98 recovery CDs Chapter 3. ThinkPad X20, X21, X22, X23, X24 Windows 2000 recovery CDsWindows 2000/Windows NT recovery CDs Windows Me recovery CDs Recovery CDs for X22 SeriesWindows 98 recovery CDs Windows 2000 recovery CDsChapter 3. ThinkPad X20, X21, X22, X23, X24 Windows XP Pro recovery CDsWindows XP Home recovery CDs Windows 2000 recovery CDs Recovery CDs for X23 SeriesWindows XP Pro recovery CDs 128 ThinkPad X20, X21, X22, X23Windows 2000 recovery CDs Recovery CDs for X24 SeriesWindows XP Home recovery CDs 130 ThinkPad X20, X21, X22, X23 Windows XP Pro recovery CDsFor X20 Miscellaneous partsWindows XP Home recovery CDs 132 ThinkPad X20, X21, X22, X23 For X22For X20 Options FRU list134 ThinkPad X20, X21, X22, X23 For X22, X23Power code system Common parts list X20, X21, X22, X23For 2-pin power cords For 3-pin power cordsX20AC adapterX22, X23, X24 IBM power cords for a For 3-pin power cordsX22, X23specific country are usually available only in that region 136 ThinkPad X20, X21, X22, X23Trademarks Chapter 4. Notices