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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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...ground, ground braid, or green-wire ground. - The CD-ROM drive or DVD drive is required for Class 1 laser products. 16 ThinkPad A21e Use an ESD common ground or reference point when working on AC-operated computers. v Use the black side of the computer is certified in...listed below, to the requirements of the AC plug on a double-insulated or battery-operated system. to conform to protect against ESD damage. - You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are wearing a wrist strap. The mat is insulative and retains...
...ground, ground braid, or green-wire ground. - The CD-ROM drive or DVD drive is required for Class 1 laser products. 16 ThinkPad A21e Use an ESD common ground or reference point when working on AC-operated computers. v Use the black side of the computer is certified in...listed below, to the requirements of the AC plug on a double-insulated or battery-operated system. to conform to protect against ESD damage. - You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are wearing a wrist strap. The mat is insulative and retains...
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... how to move down the menu. 4. Select Password, using the cursor keys to remove the backup battery, see "1010 Battery pack" on page 51. 3. Press F10; For how to reset it. Remove the backup battery. Turn on the computer and wait until the POST ends. When the Enter New Password field opens...has been removed. 5. Attention If the SVP has been forgotten, there is not installed: 1. Turn on the computer by pressing and holding F1. 2. The IBM BIOS Setup Utility menu appears. 3. then select Yes in the Changes have forgotten, do the following: (A) If SVP is no way to remove the power...
... how to move down the menu. 4. Select Password, using the cursor keys to remove the backup battery, see "1010 Battery pack" on page 51. 3. Press F10; For how to reset it. Remove the backup battery. Turn on the computer and wait until the POST ends. When the Enter New Password field opens...has been removed. 5. Attention If the SVP has been forgotten, there is not installed: 1. Turn on the computer by pressing and holding F1. 2. The IBM BIOS Setup Utility menu appears. 3. then select Yes in the Changes have forgotten, do the following: (A) If SVP is no way to remove the power...
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...Card device. v The ring indicator (RI) is appropriate. Related service information Will not suspend even if LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has...only the LCD turns off.) In certain circumstances, the computer goes into hibernation mode.) Note: Even if you are using Windows NT in IBM BIOS Setup Utility. Hibernation mode: Note for Windows NT If you don't set . In hibernation mode, the following events causes the ...
...Card device. v The ring indicator (RI) is appropriate. Related service information Will not suspend even if LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has...only the LCD turns off.) In certain circumstances, the computer goes into hibernation mode.) Note: Even if you are using Windows NT in IBM BIOS Setup Utility. Hibernation mode: Note for Windows NT If you don't set . In hibernation mode, the following events causes the ...
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... mode [Hibernation]. v A critically low battery condition occurs. v The timer conditions are pressed. Notes: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is turned on the hard disk. v The power switch is restored from the hard-disk drive. 26 ThinkPad A21e v The system is powered...
... mode [Hibernation]. v A critically low battery condition occurs. v The timer conditions are pressed. Notes: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is turned on the hard disk. v The power switch is restored from the hard-disk drive. 26 ThinkPad A21e v The system is powered...
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...v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive Power system checkout To verify a symptom, do the ...guide Note: After executing PC-Doctor, check the system time/date and reset them if needed. Disconnect the ac adapter and install the charged battery pack. 7. If you power on page 31 General descriptions 29 To cancel the test, press Esc. Connect the ac adapter. 4. Power off ...
...v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive Power system checkout To verify a symptom, do the ...guide Note: After executing PC-Doctor, check the system time/date and reset them if needed. Disconnect the ac adapter and install the charged battery pack. 7. If you power on page 31 General descriptions 29 To cancel the test, press Esc. Connect the ac adapter. 4. Power off ...
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...temperature. If the charge indicator or icon still does not turn on , replace the battery pack. Then reinstall the battery pack. If it return to the next section. 30 ThinkPad A21e Perform operational charging. If the voltage is acceptable, do the following: 1. Reinstall the... battery pack. Checking operational charging To check whether the battery charges properly during operation, go to ″Checking operational ...
...temperature. If the charge indicator or icon still does not turn on , replace the battery pack. Then reinstall the battery pack. If it return to the next section. 30 ThinkPad A21e Perform operational charging. If the voltage is acceptable, do the following: 1. Reinstall the... battery pack. Checking operational charging To check whether the battery charges properly during operation, go to ″Checking operational ...
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...from the computer and leave it at least 3 hours, even if the indicator does not turn on . To get detailed information about the battery, double-click the Power Meter icon. Remove it from having a shortened life. Note: Recharging will take at least 3 hours, even ...than +11.0 V dc, measure the resistance between battery terminals 1 (+) and 5 (−). Remove the battery pack and measure the voltage between battery terminals 4 and 5. for Lithium ion battery; under this condition the battery pack can charge to charge. To check the battery pack, do not click), and the percentage of ...
...from the computer and leave it at least 3 hours, even if the indicator does not turn on . To get detailed information about the battery, double-click the Power Meter icon. Remove it from having a shortened life. Note: Recharging will take at least 3 hours, even ...than +11.0 V dc, measure the resistance between battery terminals 1 (+) and 5 (−). Remove the battery pack and measure the voltage between battery terminals 4 and 5. for Lithium ion battery; under this condition the battery pack can charge to charge. To check the battery pack, do not click), and the percentage of ...
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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 v If the voltage is not correct, replace the battery pack. The resistance must be 4 to +3.2 Ground v If the voltage is correct, replace the system board. If the resistance is...
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 v If the voltage is not correct, replace the battery pack. The resistance must be 4 to +3.2 Ground v If the voltage is correct, replace the system board. If the resistance is...
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....0-in . panels 85 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 panel 83 14.1-in . 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...
....0-in . panels 85 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 panel 83 14.1-in . 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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...as follows: Indicator 1 Battery Meaning Green: The battery is low. This indicator does not blink in standby mode. The battery is to operate, but... is being charged. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is resuming normal operation. Blinking green: The battery has enough power to being charged. Blinking orange: The battery... needs to be charged. Orange: The battery power is fully ...
...as follows: Indicator 1 Battery Meaning Green: The battery is low. This indicator does not blink in standby mode. The battery is to operate, but... is being charged. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is resuming normal operation. Blinking green: The battery has enough power to being charged. Blinking orange: The battery... needs to be charged. Orange: The battery power is fully ...
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...IBM Battery 1 (IBM Battery 2) 1. Intel SP Modem Loopback/DTMF g. 3Com MiniPCI Modem Test h. 3Com MiniPCI Dialtone Test 1. Interactive Tests --> Internal Speaker 2. Interactive Tests --> Internal Speaker 2. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Video 1. Replace the modem jack and the modem card in the ThinkPad... Configuration program. Hard-disk drive If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 38 ThinkPad A21e
...IBM Battery 1 (IBM Battery 2) 1. Intel SP Modem Loopback/DTMF g. 3Com MiniPCI Modem Test h. 3Com MiniPCI Dialtone Test 1. Interactive Tests --> Internal Speaker 2. Interactive Tests --> Internal Speaker 2. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Video 1. Replace the modem jack and the modem card in the ThinkPad... Configuration program. Hard-disk drive If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 38 ThinkPad A21e
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...the one specified in the computer. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. System board. 0271 Date and time error - Symptom-to reset the time and date. (continued) 42 ThinkPad A21e System board. 0231 System RAM failure at offset nnnn. 1. Run... interactive tests of the keyboard and the auxiliary input device. 0220 Monitor type error - Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date...
...the one specified in the computer. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. System board. 0271 Date and time error - Symptom-to reset the time and date. (continued) 42 ThinkPad A21e System board. 0231 System RAM failure at offset nnnn. 1. Run... interactive tests of the keyboard and the auxiliary input device. 0220 Monitor type error - Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date...
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Diskette drive. 2. Replace the backup battery. 3. DIMM. 2. DIMM. 2. DIMM. 3. System board. 1. System board. 1. System board. External FDD cable. 3. I/O card. 1. System board. 1. Load Setup Defaults in sequence 1. FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. System board. 1. Default configuration used. 02B2 Incorrect drive A type. ... not supported. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Load Setup Defaults in IBM BIOS Setup Utility. 2. Shut down the computer and remove it from the docking station ThinkPad A21e 43
Diskette drive. 2. Replace the backup battery. 3. DIMM. 2. DIMM. 2. DIMM. 3. System board. 1. System board. 1. System board. External FDD cable. 3. I/O card. 1. System board. 1. Load Setup Defaults in sequence 1. FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. System board. 1. Default configuration used. 02B2 Incorrect drive A type. ... not supported. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Load Setup Defaults in IBM BIOS Setup Utility. 2. Shut down the computer and remove it from the docking station ThinkPad A21e 43
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... Invalid system configuration data. Fan error. Reinstall the operating system. 5. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Load Setup Defaults in IBM BIOS Setup Utility. 2. System board. 1. DIMM. 2. Hibernation error. System board. 1. Operating system not found. Diskette drive. ... the computer entered hibernation mode. 2. System board. 1. System board. 1. Allocation error for device. Backup battery. 3. Maximum memory size is installed correctly. 2. Reseat the hard-disk drive. 4. Load Setup Defaults in sequence 1. Backup...
... Invalid system configuration data. Fan error. Reinstall the operating system. 5. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Load Setup Defaults in IBM BIOS Setup Utility. 2. System board. 1. DIMM. 2. Hibernation error. System board. 1. Operating system not found. Diskette drive. ... the computer entered hibernation mode. 2. System board. 1. System board. 1. Allocation error for device. Backup battery. 3. Maximum memory size is installed correctly. 2. Reseat the hard-disk drive. 4. Load Setup Defaults in sequence 1. Backup...
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...2. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Non-IBM devices b. Battery pack e. CD-ROM and diskette drive in the UltraslimBay i. System board b. Symptom-to the port ...that the power supply being used at the time of the following devices: a. The an IBM ThinkPad computer address this section carefully before replacing any FRU. If the problem does not recur,... drive f. Read this problem with shock or vibration. ThinkPad A21e 47 Rerun the test to verify that have no more errors exist. Determine whether the problem has changed....
...2. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Non-IBM devices b. Battery pack e. CD-ROM and diskette drive in the UltraslimBay i. System board b. Symptom-to the port ...that the power supply being used at the time of the following devices: a. The an IBM ThinkPad computer address this section carefully before replacing any FRU. If the problem does not recur,... drive f. Read this problem with shock or vibration. ThinkPad A21e 47 Rerun the test to verify that have no more errors exist. Determine whether the problem has changed....
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...which they are not loose inside the computer. Verify this by local ordinances or regulations. Be sure to establish personal grounding. 50 ThinkPad A21e Do not try to service the computer unless you have to , and can cause electrical short circuits. An untrained person runs the...presents information and drawings for use an electrostatic discharge (ESD) strap (P/N 6405959) to observe the following general rules: 1. Dispose of the battery pack as required by shaking the computer gently and listening for removing the FRU, as shown in place, reverse the removal procedure and follow...
...which they are not loose inside the computer. Verify this by local ordinances or regulations. Be sure to establish personal grounding. 50 ThinkPad A21e Do not try to service the computer unless you have to , and can cause electrical short circuits. An untrained person runs the...presents information and drawings for use an electrostatic discharge (ESD) strap (P/N 6405959) to observe the following general rules: 1. Dispose of the battery pack as required by shaking the computer gently and listening for removing the FRU, as shown in place, reverse the removal procedure and follow...
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... substances. When disposing of the 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. ThinkPad A21e 51 Do not put the battery pack in trash that is...
... substances. When disposing of the 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. ThinkPad A21e 51 Do not put the battery pack in trash that is...
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When installing: With the notched end of the DIMM toward the socket, insert the DIMM 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 snaps into the socket, then press it . 1020 DIMM Removing and replacing a FRU v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it firmly.
When installing: With the notched end of the DIMM toward the socket, insert the DIMM 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 snaps into the socket, then press it . 1020 DIMM Removing and replacing a FRU v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it firmly.
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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