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IBM X24 ThinkPad X20, X21, X22, X23, Step, Screw quantity, Torque, M2.6 ⋅ 5mm 3 BK, Ncm 3 kgfcm

Models: X21 X20 X22 X24 X23

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Step	Screw (quantity)	Torque

	M2.6 ⋅ 5mm (3) BK	29.4 Ncm (3 kgfcm)

92ThinkPad X20, X21, X22, X23, X24

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IBM X24 manual ThinkPad X20, X21, X22, X23, Step, Screw quantity, Torque, M2.6 ⋅ 5mm 3 BK, Ncm 3 kgfcm

Contents

ThinkPad X20, X21, X22 X24 Hardware Maintenance Manual First Edition March Contents Chapter 1. IntroductionChapter 2. General descriptions Chapter 3. ThinkPad X20, X21, X22, X23Chapter 4. Notices Important service information FRU replacement strategyBefore replacing parts Chapter 1. IntroductionHard disk drive replacement strategy How to use error messagesHow to read POST error messages Safety notices multilingual translations Safety NoticeSafety Notice 4 ThinkPad X20, X21, X22, X23Safety Notice Safety Notice Las baterías contienen pequeñas cantidades deSafety Notice Safety Notice 8 ThinkPad X20, X21, X22, X23Safety Notice Safety Notice Safety Notice10 ThinkPad X20, X21, X22, X23 Safety Notice Safety information General safetyElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statement Laser radiation 18 ThinkPad X20, X21, X22, X23Chapter 1. Introduction DANGER v Only certified trained personnel should service the computer v Use new nylon-coated screws when you replace FRUsChapter 2. General descriptions Read this firstThe following are not covered under warranty v I9990303 errors can be caused by exposure to strong magnetic fieldsChapter 2. General descriptions Related service information Service Web siteProduct recovery program Restoring the Pre-installed SoftwareUsing Recovery CD To create Service Partition SPInstall preloaded system from CD “ENTER”Creating a Recovery Repair diskette PasswordsTo use the Recovery Repair diskette Page Power management How to remove the hard-disk passwordv The LCD is powered off v The hard disk drive is powered off v The CPU stopsTo enter standby mode, do any of the following v Press Fn + F4 v If the AC adapter is plugged inHibernation mode Note for Windows NT Power switch mode HibernationChapter 2. General descriptions Testing the computer Checkout guideDiagnostics 4. Run the applicable function test Power system checkout Detecting system information with PC-DoctorHardware 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 98 recovery CDs Windows 2000 recovery CDsWindows XP Pro recovery CDs Windows XP Home recovery CDsSpecifications Product overviewv Specifications v Status indicators v Fn key combinations This section presents the following product-unique informationChapter 3. ThinkPad X20, X21, X22, X23, X24 Status indicators 44 ThinkPad X20, X21, X22, X23Applicable test 46 ThinkPad X20, X21, X22, X23 Fn key combinations Symptom-to-FRU index Numeric error codesChapter 3. ThinkPad X20, X21, X22, X23, X24 Error messages 50 ThinkPad X20, X21, X22, X23Beep symptoms No beep symptomsLCD-related symptoms Intermittent problemsUndetermined problems FRU replacement notices Screw notices90 degrees more Cross section v Plastic to plasticRetaining serial numbers 180 degrees more Cross sectionRestoring the serial number of the system unit v Torque driverRetaining the UUID IdentificationRemoving and replacing a FRU 1010 Battery pack 1020 DIMM StepScrew quantity Torque1030 Backup battery v Battery pack v DIMM60 ThinkPad X20, X21, X22, X23 1040 Hard disk drive Attention Do not drop the hard disk drive or apply62 ThinkPad X20, X21, X22, X23 1050 Keyboard For X20When installing When installing the keyboard, do as follows A B C D E64 ThinkPad X20, X21, X22, X23 For X22, X23 Chapter 3. ThinkPad X20, X21, X22, X23, X24When installing When installing the keyboard, do as follows 66 ThinkPad X20, X21, X22, X231060 KBD Control Panel Assemble v Battery pack v Keyboard assemblyframe A B C D E Chapter 3. ThinkPad X20, X21, X22, X23, X242. Press the KBD Control Panel until its snaps fit 68 ThinkPad X20, X21, X22, X231070 Mini PCI adapter For X20For X22, X23 1080 CDC adapter Antenna RF Connector removalFor X22, X23 08K71591090 BDC adapter For X231100 Fan assembly For X20⋅ 6mm, Nylock-coated For X22 Chapter 3. ThinkPad X20, X21, X22, X23, X241110 Wirelesslan assembly for X22 X24 10mm1120 LCD assembly For X2076 ThinkPad X20, X21, X22, X23 ThinkPadThinkPad For X22, X23 Chapter 3. ThinkPad X20, X21, X22, X23, X2478 ThinkPad X20, X21, X22, X23 StepScrew quantity Torque1130 Case Keyboard deck For X20For X22, X23 Case Keyboard deck up then remove it80 ThinkPad X20, X21, X22, X23 Case Keyboard deck up then remove it Chapter 3. ThinkPad X20, X21, X22, X23, X24Step Screw quantity1140 Speaker For X20When installing Make sure that you fasten the connector firmly For X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 1150 PC Card slot assembly For X201160 IRDA Port For X22, X23For X22, X23 86 ThinkPad X20, X21, X22, X231170 RJ11, RJ45 For X20For X22, X23 88 ThinkPad X20, X21, X22, X231180 System board For X20For X22 90 ThinkPad X20, X21, X22, X231190 LCD USB cover 1200 Front bezel v Battery pack v Keyboard assembly v Wirelesslan assemblyv LCD assembly Chapter 3. ThinkPad X20, X21, X22, X23, X2492 ThinkPad X20, X21, X22, X23 StepScrew quantity Torque1210 LCD panel XGA for X20SVGA for X20 94 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 StepScrew quantity TorqueXGA for X22, X23 96 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 StepScrew quantity TorqueLocations Front view for X20 Front view forSystem status indicators Power switch Battery and standby mode status indicators USB port Hard Disk DriveFront view for X23 ThinkPad Button TrackPoint pointing stick TrackPoint Buttons 100 ThinkPad X20, X21, X22, X23Rear view for X20 Rear view for X22, X23PC Card eject button Security keyhole Power jack Universal serial bus USB connector External-monitor connectorPower jack External-monitor connector Universal serial bus USB connector Line-in jack LAN connectorModem connector PC card slot PC Card eject button IrDA port Security keyholeBottom view Battery Pack Battery Pack latches Docking connector Memory coverLCD latches Chapter 3. ThinkPad X20, X21, X22, X23, X24Parts List X20 series model matrix X21 series model matrixX22 series model matrix X23 series model matrixX24 series model matrix 106 ThinkPad X20, X21, X22, X23LCD FRU 12.1-inch XGA TFT X2012.1-inch SVGA TFT 108 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 12.1-inch XGA TFT X22, X23 110 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 DescriptionFRU No System For X20112 ThinkPad X20, X21, X22, X23 Chapter 3. ThinkPad X20, X21, X22, X23, X24 114 ThinkPad X20, X21, X22, X23 1820Chapter 3. ThinkPad X20, X21, X22, X23, X24 116 ThinkPad X20, X21, X22, X23 1820 Chapter 3. ThinkPad X20, X21, X22, X23, X24118 ThinkPad X20, X21, X22, X23 1820 Chapter 3. ThinkPad X20, X21, X22, X23, X24120 ThinkPad X20, X21, X22, X23 Keyboard For X20For X22, X23 Base Cover FRU 122 ThinkPad X20, X21, X22, X23Chapter 3. ThinkPad X20, X21, X22, X23, X24 Recovery CDs for X21 Series Windows 98 recovery CDs124 ThinkPad X20, X21, X22, X23 Windows 2000 recovery CDs Windows 2000/Windows NT recovery CDsChapter 3. ThinkPad X20, X21, X22, X23, X24 Recovery CDs for X22 Series Windows Me recovery CDsWindows 98 recovery CDs Windows 2000 recovery CDsWindows XP Pro recovery CDs Windows XP Home recovery CDsChapter 3. ThinkPad X20, X21, X22, X23, X24 Recovery CDs for X23 Series Windows 2000 recovery CDsWindows XP Pro recovery CDs 128 ThinkPad X20, X21, X22, X23Recovery CDs for X24 Series Windows XP Home recovery CDsWindows 2000 recovery CDs Windows XP Pro recovery CDs 130 ThinkPad X20, X21, X22, X23Miscellaneous parts Windows XP Home recovery CDsFor X20 For X22 132 ThinkPad X20, X21, X22, X23Options FRU list For X20For X22, X23 134 ThinkPad X20, X21, X22, X23Common parts list X20, X21, X22, X23 Power code systemFor 2-pin power cords For 3-pin power cordsX20For 3-pin power cordsX22, X23 AC adapterX22, X23, X24 IBM power cords for aspecific country are usually available only in that region 136 ThinkPad X20, X21, X22, X23Chapter 4. Notices Trademarks