Справочник ПользователяСодержаниеContents3Introduction5Important service information5Strategy for replacing FRUs5Strategy for replacing a hard-disk drive6How to use error messages6Diskette compatibility matrix6Safety notices: multilingual translations7Safety information16General safety16Electrical safety17Safety inspection guide18Handling electrostaticdischarge-sensitive devices19Grounding requirements20Laser compliance statement20General descriptions23Read this first23What to do first:23Related service information25Service Web site25Using Recovery CD25Passwords26Power-on password:26Hard-disk password:26Supervisor password:26How to remove the power-on password27How to remove the hard-disk password27Power management28Screen blank mode:28Standby mode:28Hibernation mode:29Checkout guide31Testing the computer31Detecting system information withPC-Doctor33Hardware Info33Utility33Power system checkout33Checking the ac adapter34Checking operational charging34Checking the battery pack35Checking the backup battery36ThinkPad A21e37Product overview39Specifications39Status indicators40FRU Tests42Fn key combinations44Symptom-to-FRU index45Numeric error codes45Error messages48Beep symptoms49No beep symptoms49LCD-related symptoms50Intermittent problems50Undetermined problems51FRU replacement notices51Screw notices51Retaining serial numbers52Restoring the serial number of the systemunit53Retaining the UUID53Removing and replacing a FRU541010 Battery pack551020 DIMM561030 Mini PCI adapter571040 Backup battery591050 Hard-disk drive601060 Ultrabay 2000 device621070 Keyboard641080 Keyboard CRU insulator671090 Hinge cover681100 Keyboard bezel and speaker691110 Speaker cable711120 Sub card721130 PC Card slot assembly741140 Fan assembly751150 Diskette drive771160 Upper shield781170 System board792010 LCD assembly812020 Front bezel832030 Inverter card8512.1-in. panel8514.1-in. and 15.0-in. panels862040 LCD panel8712.1-in. panel8714.1-in. and 15.0-in. panels89Locations91Front view91Rear view92Bottom view93Parts list94LCD FRU9712.1-in. SVGA TFT9714.1-in. XGA TFT9715.0-in. XGA TFT9715.0-in. XGA TFT (LG)98Keyboard99Miscellaneous parts100Optional FRUs102Common parts list103Tools103Power cords (system)103Notices104Trademarks104Размер: 1,7 МБСтраницы: 106Языки: English, DanskПросмотреть