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... CD 21 Passwords 22 Power management 24 Checkout guide 27 Testing the computer 27 Detecting system information with PC-Doctor. . . 29 Power system checkout 29 ThinkPad A21e 33 Product overview 35 Specifications 35 Status indicators 36 FRU Tests 38 Fn key combinations 40 Symptom-to-FRU index 41 Numeric error codes 41... symptoms 46 Intermittent problems 46 Undetermined problems 47 FRU replacement notices 47 Screw notices 47 Retaining serial numbers 48 Removing and replacing a FRU 50 1010 Battery pack 51 1020 DIMM 52 1030 Mini PCI adapter 53 1040 Backup...
... CD 21 Passwords 22 Power management 24 Checkout guide 27 Testing the computer 27 Detecting system information with PC-Doctor. . . 29 Power system checkout 29 ThinkPad A21e 33 Product overview 35 Specifications 35 Status indicators 36 FRU Tests 38 Fn key combinations 40 Symptom-to-FRU index 41 Numeric error codes 41... symptoms 46 Intermittent problems 46 Undetermined problems 47 FRU replacement notices 47 Screw notices 47 Retaining serial numbers 48 Removing and replacing a FRU 50 1010 Battery pack 51 1020 DIMM 52 1030 Mini PCI adapter 53 1040 Backup...
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...point when working on AC-operated computers. Laser compliance statement Some IBM Personal Computer models are equipped from touching your clothing. The CD... certified in the U.S. Grounding requirements Electrical grounding of the AC plug on a double-insulated or battery-operated system. CD-ROM drives or DVD drives are wearing a wrist strap. Use the round...the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 16 ThinkPad A21e Most clothing is required for Class 1 laser products. The mat is a laser product. Attach the...
...point when working on AC-operated computers. Laser compliance statement Some IBM Personal Computer models are equipped from touching your clothing. The CD... certified in the U.S. Grounding requirements Electrical grounding of the AC plug on a double-insulated or battery-operated system. CD-ROM drives or DVD drives are wearing a wrist strap. Use the round...the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 16 ThinkPad A21e Most clothing is required for Class 1 laser products. The mat is a laser product. Attach the...
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When the power is powered off and the mode is created: v The Fn + F12 keys are pressed. v A critically low battery condition occurs. v The system is turned on, the computer leaves hibernation mode and resumes operation. v The power switch is turned off . Any one of the ...: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is restored from the hard-disk drive. 26 ThinkPad A21e
When the power is powered off and the mode is created: v The Fn + F12 keys are pressed. v A critically low battery condition occurs. v The system is turned on, the computer leaves hibernation mode and resumes operation. v The power switch is turned off . Any one of the ...: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is restored from the hard-disk drive. 26 ThinkPad A21e
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If the voltage is still not charged, go to the next section. 30 ThinkPad A21e Reinstall the battery pack. Unplug the ac adapter cable from the ac adapter does not always indicate a defect. See the following figure: Pin Voltage (V dc) 1 +15.5 to ″... power problem occurs only when the port replicator is acceptable, do the following : v Replace the system board. Note: Noise from the computer. 2. Then reinstall the battery pack. If the charge indicator or icon still does not turn on page 32 Checking the ac adapter You are here because the computer fails...
If the voltage is still not charged, go to the next section. 30 ThinkPad A21e Reinstall the battery pack. Unplug the ac adapter cable from the ac adapter does not always indicate a defect. See the following figure: Pin Voltage (V dc) 1 +15.5 to ″... power problem occurs only when the port replicator is acceptable, do the following : v Replace the system board. Note: Noise from the computer. 2. Then reinstall the battery pack. If the charge indicator or icon still does not turn on page 32 Checking the ac adapter You are here because the computer fails...
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...Voltage (V dc) +2.5 to 30 K ohm. v If the voltage is not correct, replace the backup battery. Checking the backup battery Do the following figure. Remove the battery pack (see "Checking the battery pack" on page 51). 4. v If the voltage is more than +8.0 V dc, measure the resistance... for Nickel metal hydride battery; Remove the backup battery (see "1010 Battery pack" on page 31). 5. Power off the computer, and unplug the ac adapter from it. 2. v If the backup battery discharges quickly after replacement, replace the system board. 32 ThinkPad A21e Measure the voltage of ...
...Voltage (V dc) +2.5 to 30 K ohm. v If the voltage is not correct, replace the backup battery. Checking the backup battery Do the following figure. Remove the battery pack (see "Checking the battery pack" on page 51). 4. v If the voltage is more than +8.0 V dc, measure the resistance... for Nickel metal hydride battery; Remove the backup battery (see "1010 Battery pack" on page 31). 5. Power off the computer, and unplug the ac adapter from it. 2. v If the backup battery discharges quickly after replacement, replace the system board. 32 ThinkPad A21e Measure the voltage of ...
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... 15.0-in . and 15.0-in . panels 85 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 ThinkPad A21e Product overview 35 Specifications 35 Status indicators 36 FRU Tests 38 Fn key combinations 40 Symptom-to-FRU index 41 Numeric error codes 41 Error... Restoring the serial number of the system unit 49 Retaining the UUID 49 Removing and replacing a FRU 50 1010 Battery pack 51 1020 DIMM 52 1030 Mini PCI adapter 53 1040 Backup battery 55 1050 Hard-disk drive 56 1060 Ultrabay 2000 device 58 1070 Keyboard 60 1080 Keyboard CRU insulator 63...
... 15.0-in . and 15.0-in . panels 85 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 ThinkPad A21e Product overview 35 Specifications 35 Status indicators 36 FRU Tests 38 Fn key combinations 40 Symptom-to-FRU index 41 Numeric error codes 41 Error... Restoring the serial number of the system unit 49 Retaining the UUID 49 Removing and replacing a FRU 50 1010 Battery pack 51 1020 DIMM 52 1030 Mini PCI adapter 53 1040 Backup battery 55 1050 Hard-disk drive 56 1060 Ultrabay 2000 device 58 1070 Keyboard 60 1080 Keyboard CRU insulator 63...
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Blinking orange: The battery needs to operate, but is to being charged. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is ... entering standby mode or hibernation mode, or is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e The battery is being charged. This indicator does not blink in standby mode. Orange: The battery power is fully charged. Status indicators Product overview The system status indicators show the status of the computer...
Blinking orange: The battery needs to operate, but is to being charged. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is ... entering standby mode or hibernation mode, or is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e The battery is being charged. This indicator does not blink in standby mode. Orange: The battery power is fully charged. Status indicators Product overview The system status indicators show the status of the computer...
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.... Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. FRU Tests Product overview The following test in Diagnostics --> Communication: a. Replace the modem jack and the modem card in the ThinkPad Configuration program. Lucent Modem (M2) Dialtone/DTM ... not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 38 ThinkPad A21e After you use the TrackPoint, the pointer may drift on the screen for the bottom slot.Diagnostics --> Systemboard --> PCMCIA...
.... Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. FRU Tests Product overview The following test in Diagnostics --> Communication: a. Replace the modem jack and the modem card in the ThinkPad Configuration program. Lucent Modem (M2) Dialtone/DTM ... not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 38 ThinkPad A21e After you use the TrackPoint, the pointer may drift on the screen for the bottom slot.Diagnostics --> Systemboard --> PCMCIA...
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... key - Symptom-to reset the time and date. 0251 System CMOS checksum bad-Default configuration used. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. (continued) 42 ThinkPad A21e System board. 0271 Date and time error - Neither the date nor the time is cleared. Reset the password...
... key - Symptom-to reset the time and date. 0251 System CMOS checksum bad-Default configuration used. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. (continued) 42 ThinkPad A21e System board. 0271 Date and time error - Neither the date nor the time is cleared. Reset the password...
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System board. 1. DIMM. 2. DIMM. 2. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Replace the backup battery. 3. DIMM. 2. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 3. Diskette drive. 2. External FDD cable. 3. System board. 1. Default configuration used. 02B2 Incorrect drive... NMI failure. 1801 Attached docking station is not supported. Shut down the computer and remove it from the docking station ThinkPad A21e 43 System board. 1. System board. FRU or action, in IBM BIOS Setup Utility. 2. System board. 1. Load Setup Defaults in...
System board. 1. DIMM. 2. DIMM. 2. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Replace the backup battery. 3. DIMM. 2. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 3. Diskette drive. 2. External FDD cable. 3. System board. 1. Default configuration used. 02B2 Incorrect drive... NMI failure. 1801 Attached docking station is not supported. Shut down the computer and remove it from the docking station ThinkPad A21e 43 System board. 1. System board. FRU or action, in IBM BIOS Setup Utility. 2. System board. 1. Load Setup Defaults in...
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... Utility. 2. System board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Diskette drive. 6. Hibernation error. Fan error. Backup battery. 3. System board. 1. Reseat the hard-disk drive. 4. Hard-disk drive. 7. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Invalid system configuration data. Backup battery. 3. Symptom-to what it was before the computer...
... Utility. 2. System board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Diskette drive. 6. Hibernation error. Fan error. Backup battery. 3. System board. 1. Reseat the hard-disk drive. 4. Hard-disk drive. 7. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Invalid system configuration data. Backup battery. 3. Symptom-to what it was before the computer...
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... or disconnect all attached devices are installed, a short circuit is suspected, or the system is inoperative. Battery pack e. If the problem does not recur, reconnect the removed devices one at a time until you find..."Power system checkout" on the computer. 5. Read this problem with shock or vibration. ThinkPad A21e 47 Undetermined problems You are here because the diagnostic tests did not identify which adapter or ... diskette drive in the UltraslimBay i. The an IBM ThinkPad computer address this section carefully before replacing any FRU. Symptom-to-FRU index 3. Power off ...
... or disconnect all attached devices are installed, a short circuit is suspected, or the system is inoperative. Battery pack e. If the problem does not recur, reconnect the removed devices one at a time until you find..."Power system checkout" on the computer. 5. Read this problem with shock or vibration. ThinkPad A21e 47 Undetermined problems You are here because the diagnostic tests did not identify which adapter or ... diskette drive in the UltraslimBay i. The an IBM ThinkPad computer address this section carefully before replacing any FRU. Symptom-to-FRU index 3. Power off ...
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...been trained and certified. Attention: The system board is powered on after FRU replacement, make sure all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 87. 8. Removing and replacing a FRU Removing and replacing a FRU... arrow in place, reverse the removal procedure and follow any FRUs that pertain to replacement. Be sure to establish personal grounding. 50 ThinkPad A21e Begin by shaking the computer gently and listening for removing the FRU, as required by the numbers in place and are listed at...
...been trained and certified. Attention: The system board is powered on after FRU replacement, make sure all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 87. 8. Removing and replacing a FRU Removing and replacing a FRU... arrow in place, reverse the removal procedure and follow any FRUs that pertain to replacement. Be sure to establish personal grounding. 50 ThinkPad A21e Begin by shaking the computer gently and listening for removing the FRU, as required by the numbers in place and are listed at...
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...battery, comply with a battery of the type recommended by IBM, or an equivalent, (2) keep the battery pack away from fire, (3) do not expose it to water or rain, (4) do not attempt to disassemble it, (5) do not short-circuit it. Do not put the battery pack in trash that is danger of an explosion. ThinkPad A21e 51 1010 Battery... pack Removing and replacing a FRU CAUTION: If the rechargeable battery pack is incorrectly replaced, there is disposed of in landfills....
...battery, comply with a battery of the type recommended by IBM, or an equivalent, (2) keep the battery pack away from fire, (3) do not expose it to water or rain, (4) do not attempt to disassemble it, (5) do not short-circuit it. Do not put the battery pack in trash that is danger of an explosion. ThinkPad A21e 51 1010 Battery... pack Removing and replacing a FRU CAUTION: If the rechargeable battery pack is incorrectly replaced, there is disposed of in landfills....
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When installing: With the notched end of the DIMM toward the socket, insert the DIMM into the socket, then press it snaps into place. Make sure that the card is firmly fixed in the slot and does not move easily. 52 ThinkPad A21e Pivot the DIMM until it firmly. 1020 DIMM Removing and replacing a FRU v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it.
When installing: With the notched end of the DIMM toward the socket, insert the DIMM into the socket, then press it snaps into place. Make sure that the card is firmly fixed in the slot and does not move easily. 52 ThinkPad A21e Pivot the DIMM until it firmly. 1020 DIMM Removing and replacing a FRU v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it.
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Removing and replacing a FRU 1030 Mini PCI adapter v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it. 1 2 (continued) ThinkPad A21e 53
Removing and replacing a FRU 1030 Mini PCI adapter v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it. 1 2 (continued) ThinkPad A21e 53
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... it as required by local ordinances or regulations. To avoid possible injury or death, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100°C (212°F), or (3) attempt to repair or disassemble it is ...it . Dispose of the same type. Removing and replacing a FRU 1040 Backup battery CAUTION: There is a danger of an explosion if the backup battery is not properly handled or disposed of. The lithium battery (IBM P/N 02K6572 UL-recognized component [file no. v Battery pack (1010) v DIMM (1020) v Mini PCI adapter (1030) ThinkPad A21e 55
... it as required by local ordinances or regulations. To avoid possible injury or death, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100°C (212°F), or (3) attempt to repair or disassemble it is ...it . Dispose of the same type. Removing and replacing a FRU 1040 Backup battery CAUTION: There is a danger of an explosion if the backup battery is not properly handled or disposed of. The lithium battery (IBM P/N 02K6572 UL-recognized component [file no. v Battery pack (1010) v DIMM (1020) v Mini PCI adapter (1030) ThinkPad A21e 55
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... the user make a backup copy of data. Never remove the drive while the system is operating or is attached to remove the security screw. 56 ThinkPad A21e v Battery pack (1010) Note: The hard disk is in suspend mode. The hard-disk drive is sensitive to the hard-disk drive. Removing and replacing a FRU...
... the user make a backup copy of data. Never remove the drive while the system is operating or is attached to remove the security screw. 56 ThinkPad A21e v Battery pack (1010) Note: The hard disk is in suspend mode. The hard-disk drive is sensitive to the hard-disk drive. Removing and replacing a FRU...
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1070 Keyboard Removing and replacing a FRU v Battery pack (1010) v Hard-disk drive (1050) v Ultrabay 2000 device (1060) 1 Step 1 Screw (quantity) M2.5 × 15 mm, nylon-coated (3) (continued) Torque 39.2 Ncm (4 kgfcm) 60 ThinkPad A21e
1070 Keyboard Removing and replacing a FRU v Battery pack (1010) v Hard-disk drive (1050) v Ultrabay 2000 device (1060) 1 Step 1 Screw (quantity) M2.5 × 15 mm, nylon-coated (3) (continued) Torque 39.2 Ncm (4 kgfcm) 60 ThinkPad A21e
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Removing and replacing a FRU 1080 Keyboard CRU insulator v Battery pack (1010) v Hard-disk drive (1050) v Ultrabay 2000 device (1060) v Keyboard (1070) ThinkPad A21e 63
Removing and replacing a FRU 1080 Keyboard CRU insulator v Battery pack (1010) v Hard-disk drive (1050) v Ultrabay 2000 device (1060) v Keyboard (1070) ThinkPad A21e 63