IBM MT 2632 manual Indicator Meaning

Page 41

 

 

Product overview

 

 

 

Indicator

Meaning

 

 

 

 

Drive in use

Green:

Data is being read from or

 

 

written to the hard-disk drive,

 

 

the diskette drive, or the drive

 

 

in the Ultrabay 2000. When

 

 

this indicator is on, do not put

 

 

the computer into standby

 

 

mode or turn off the computer.

 

Note: Do not move the system while the

 

Green drive in use light is on. Sudden

 

physical shock could cause drive errors.

 

 

 

Num lock

Green:

The numeric keypad on the

 

 

keyboard is enabled. To enable

 

 

or disable the keypad, press

 

 

and hold the Fn key while

 

 

pressing the NumLk key.

 

 

 

Caps lock

Green:

Caps Lock mode is enabled.

 

 

To enable or disable Caps

 

 

Lock mode, press Fn + Caps

 

 

Lock key.

 

 

 

Scroll lock

Green:

Scroll Lock mode is enabled.

 

 

Arrow keys can be used as

 

 

screen-scroll function keys, but

 

 

not to move the cursor. To

 

 

enable or disable Scroll Lock

 

 

mode, press Fn + ScrLk key.

 

 

Not all application programs

 

 

support this function.

 

 

 

Power on

Green:

This indicator stays lighted

 

 

whenever the computer is on.

 

 

If the power-on indicator is on

 

 

and the standby indicator is off,

 

 

the system is ready to use. If

 

 

both the power-on indicator

 

 

and the standby indicator are

 

 

on, you can use the computer

 

 

after it returns from the

 

 

standby mode and the standby

 

 

indicator goes off.

 

 

 

ThinkPad A21e 37

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Contents Page Copyright IBM Corp Contents LCD FRU 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 translationsSafety notice Continuation of Safety notice Safety notice Safety notice Continuation of Safety notice Safety notice Safety notice Safety notice General safety Safety informationElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Laser compliance statement Grounding requirementsDo not open ThinkPad A21e What to do first Read this firstFollowing are not covered under warranty Service Web site Related service informationUsing Recovery CD To create Service Partition SPPower-on password PasswordsHard-disk password Supervisor passwordSelect Power-On Password How to remove the power-on passwordHow to remove the hard-disk password Screen blank mode Power managementStandby mode Select either User HDP or Master HDPHibernation mode Related service information Checkout guide Testing the computerDiagnostics Interactive Tests Detecting system information with PC-Doctor Power system checkoutHardware Info UtilityChecking operational charging Checking the ac adapterFor Nickel metal hydride battery Checking the battery packFor Lithium ion battery Checking the backup battery ThinkPad A21e Trademarks Product overview SpecificationsBlinking orange Status indicatorsIndicator Meaning Following table shows the test for each FRU FRU TestsFRU Fn + F3 Fn key combinationsNumeric error codes Symptom-to-FRU indexDimm IBM Bios Setup Utility Error messages Beep symptoms Intermittent problems LCD-related symptomsScrew notices Undetermined problemsFRU replacement notices Plastic to plastic Retaining serial numbersLogic card to plastic Torque driverSelect 2. Read S/N data from Eeprom Restoring the serial number of the system unitRetaining the Uuid Removing and replacing a FRU Battery pack Dimm Mini PCI adapter Removing and replacing a FRU Dimm Backup batteryDo not drop or apply any shock to the hard-disk Hard-disk driveRemoving and replacing a FRU Ultrabay 2000 device ThinkPad A21e Keyboard ThinkPad A21e Connector on the underside of the key then push Keyboard CRU insulator Hinge cover Keyboard bezel and speaker Step Screw quantity Torque Speaker cable Sub card M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm PC Card slot assembly Fan assembly Removing and replacing a FRU Diskette drive Upper shield System board M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm LCD assembly ThinkPad A21e Front bezel ThinkPad A21e 12.1-in. panel Inverter card14.1-in. and 15.0-in. panels LCD panel ThinkPad A21e 2628-Jxx M2.0 × 5.7 mm 24.5 Ncm Nylon-coated Kgfcm ThinkPad A21e Locations Front view Rear view Bottom view Parts list Parts marked with asterisk are CRU customer replacable unit MB Sdram SO Dimm LCD FRU 15.0-in. XGA TFT LG Keyboard Miscellaneous parts ThinkPad A21e Optional FRUs Power cords system Common parts listTrademarks ThinkPad A21e Part Number 06P8883
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