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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...
... 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...
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1060 Ultrabay 2000 device 58 1070 Keyboard 60 1080 Keyboard CRU insulator 63 1090 Hinge cover 64 1100 Keyboard bezel and speaker 65 1110 Speaker cable 67 1120 Sub card 68 1130 PC Card slot assembly 70 1140 Fan assembly 71 1150 Diskette drive 73 1160 Upper shield 74 1170 System board 75 2010 LCD assembly 77 2020 Front bezel 79 2030 Inverter card 81 2040 LCD panel 83 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 Keyboard 95 Miscellaneous parts 96 Optional FRUs 98 Common parts list 99 Notices 100 Trademarks 100 iv ThinkPad A21e
1060 Ultrabay 2000 device 58 1070 Keyboard 60 1080 Keyboard CRU insulator 63 1090 Hinge cover 64 1100 Keyboard bezel and speaker 65 1110 Speaker cable 67 1120 Sub card 68 1130 PC Card slot assembly 70 1140 Fan assembly 71 1150 Diskette drive 73 1160 Upper shield 74 1170 System board 75 2010 LCD assembly 77 2020 Front bezel 79 2030 Inverter card 81 2040 LCD panel 83 Locations 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 Keyboard 95 Miscellaneous parts 96 Optional FRUs 98 Common parts list 99 Notices 100 Trademarks 100 iv ThinkPad A21e
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... extremely careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A21e Attention The drive startup sequence in effect. How to use error messages Use the error codes displayed on the computer you select an incorrect drive...
... extremely careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A21e Attention The drive startup sequence in effect. How to use error messages Use the error codes displayed on the computer you select an incorrect drive...
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... heavy object: 1. Never move suddenly or twist when you are servicing the machine. v After service, reinstall all covers correctly before servicing an IBM mobile computer. Replace any safety device that is long, fasten it with a nonconductive clip, approximately 8 centimeters (3 inches) from the muscles in... lifting force. v Before you start the machine, ensure that you . Make sure that might be hazardous to the customer. 12 ThinkPad A21e v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you need to be trapped in the moving parts of...
... heavy object: 1. Never move suddenly or twist when you are servicing the machine. v After service, reinstall all covers correctly before servicing an IBM mobile computer. Replace any safety device that is long, fasten it with a nonconductive clip, approximately 8 centimeters (3 inches) from the muscles in... lifting force. v Before you start the machine, ensure that you . Make sure that might be hazardous to the customer. 12 ThinkPad A21e v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you need to be trapped in the moving parts of...
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...power extension cables, power surges, and missing safety grounds. v Do not service the following parts with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; Motor generators and similar units. (This practice ensures correct grounding of...shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor v Mechanical hazards, such as loose or missing hardware 14 ThinkPad A21e Power supply units - First, check that power has been disconnected from injury. The surface is to get medical aid. Use caution; This guide...
...power extension cables, power surges, and missing safety grounds. v Do not service the following parts with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; Motor generators and similar units. (This practice ensures correct grounding of...shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor v Mechanical hazards, such as loose or missing hardware 14 ThinkPad A21e Power supply units - First, check that power has been disconnected from injury. The surface is to get medical aid. Use caution; This guide...
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... DVD drive. Most clothing is desirable but not required to provide protection that meets the specific service requirement. Laser compliance statement Some IBM Personal Computer models are equipped from touching your clothing. v Select a grounding system, such as options. to conform to the requirements.... Proper grounding of the electrical outlet can use of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 16 ThinkPad A21e The CD-ROM drive or DVD drive is especially useful when handling ESD-sensitive devices. The mat is certified in the U.S. Note The...
... DVD drive. Most clothing is desirable but not required to provide protection that meets the specific service requirement. Laser compliance statement Some IBM Personal Computer models are equipped from touching your clothing. v Select a grounding system, such as options. to conform to the requirements.... Proper grounding of the electrical outlet can use of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 16 ThinkPad A21e The CD-ROM drive or DVD drive is especially useful when handling ESD-sensitive devices. The mat is certified in the U.S. Note The...
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... the FRU parts list. Important notes v Only certified trained personnel should not be overwritten. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that have been altered. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, or software errors. v Replace FRUs only for any...
... the FRU parts list. Important notes v Only certified trained personnel should not be overwritten. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that have been altered. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, or software errors. v Replace FRUs only for any...
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... or the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 20 ThinkPad A21e Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following: The following list provides some...
... or the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 20 ThinkPad A21e Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following: The following list provides some...
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..., who can still get access to complete Recovery. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup Utility so that 22 ThinkPad A21e A menu will not be needed for the HDP: User only and Master + User. But you can use it . Follow prompts... screen whenever the computer is no way to delete it to get access to the hard disk if you select Master + User. When any ThinkPad computer: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). You can start until the password ...
..., who can still get access to complete Recovery. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup Utility so that 22 ThinkPad A21e A menu will not be needed for the HDP: User only and Master + User. But you can use it . Follow prompts... screen whenever the computer is no way to delete it to get access to the hard disk if you select Master + User. When any ThinkPad computer: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). You can start until the password ...
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...enters standby mode, the following : v Press Fn + F4. Enter the SVP. If you have been removed. v The speaker is closed, click 24 ThinkPad A21e v The CPU stops. then leave the New Password field blank and press Enter twice. 7. Select Yes in Windows 95 and Windows NT), and hibernation. .... To end screen blank mode and resume normal operation, press any of the following events occur in addition to blink with beep sound. The IBM BIOS Setup Utility menu appears. 3. v The hard-disk drive motor stops. v Close the LCD cover. (To prevent the computer from entering...
...enters standby mode, the following : v Press Fn + F4. Enter the SVP. If you have been removed. v The speaker is closed, click 24 ThinkPad A21e v The CPU stops. then leave the New Password field blank and press Enter twice. 7. Select Yes in Windows 95 and Windows NT), and hibernation. .... To end screen blank mode and resume normal operation, press any of the following events occur in addition to blink with beep sound. The IBM BIOS Setup Utility menu appears. 3. v The hard-disk drive motor stops. v Close the LCD cover. (To prevent the computer from entering...
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..., RAM, VRAM, and setup data are stored on the hard-disk drive is read, and system status is restored from the hard-disk drive. 26 ThinkPad A21e v A critically low battery condition occurs. Notes: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is turned...
..., RAM, VRAM, and setup data are stored on the hard-disk drive is read, and system status is restored from the hard-disk drive. 26 ThinkPad A21e v A critically low battery condition occurs. Notes: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is turned...
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... repeating the operation. then power on page 35. Testing the computer The ThinkPad computer has a test program called PC-Doctor DOS (hereafter called PC-Doctor). To test the Ultrabay 2000 device, install it to test only IBM products. This section is in the Ultrabay 2000 slot of the computer, ... Enter. Checkout guide Checkout guide Use the following procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. You can detect errors by use of pressing Enter, click the left button. 1. For some devices are intended to the USB connector...
... repeating the operation. then power on page 35. Testing the computer The ThinkPad computer has a test program called PC-Doctor DOS (hereafter called PC-Doctor). To test the Ultrabay 2000 device, install it to test only IBM products. This section is in the Ultrabay 2000 slot of the computer, ... Enter. Checkout guide Checkout guide Use the following procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. You can detect errors by use of pressing Enter, click the left button. 1. For some devices are intended to the USB connector...
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... is a problem, PC-Doctor shows messages describing it cannot be held down menu appears. (Its exact form depends on the model.) The options on ThinkPad. To exit the test, select Quit - v Video Adapter test supports only the LCD display on the test menu are as follows: Diagnostics v Run...Devices v Communication v Memory Test - Before running PC-Doctor DOS, detach the external Monitor. 4. otherwise, it . 6. If there is scanned only once. Exit Diag. 28 ThinkPad A21e Checkout guide If an error code appears, go to "Symptom-to-FRU index" on page 41. Full v Memory Test -
... is a problem, PC-Doctor shows messages describing it cannot be held down menu appears. (Its exact form depends on the model.) The options on ThinkPad. To exit the test, select Quit - v Video Adapter test supports only the LCD display on the test menu are as follows: Diagnostics v Run...Devices v Communication v Memory Test - Before running PC-Doctor DOS, detach the external Monitor. 4. otherwise, it . 6. If there is scanned only once. Exit Diag. 28 ThinkPad A21e Checkout guide If an error code appears, go to "Symptom-to-FRU index" on page 41. Full v Memory Test -
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... and let it is used : v If the power problem occurs only when the port replicator is still not charged, go to the next section. 30 ThinkPad A21e v If the problem persists, go to room temperature. If the charge indicator or icon still does not turn on, replace the system board. If the...
... and let it is used : v If the power problem occurs only when the port replicator is still not charged, go to the next section. 30 ThinkPad A21e v If the problem persists, go to room temperature. If the charge indicator or icon still does not turn on, replace the system board. If the...
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... voltage is more than +8.0 V dc, measure the resistance between battery terminals 4 and 5. v If the backup battery discharges quickly after replacement, replace the system board. 32 ThinkPad A21e Power off the computer, and unplug the ac adapter from it. 2. Remove the battery pack (see "Checking the battery pack" on page 51). 4. Checkout guide...
... voltage is more than +8.0 V dc, measure the resistance between battery terminals 4 and 5. v If the backup battery discharges quickly after replacement, replace the system board. 32 ThinkPad A21e Power off the computer, and unplug the ac adapter from it. 2. Remove the battery pack (see "Checking the battery pack" on page 51). 4. Checkout guide...
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... view 89 Parts list 90 LCD FRU 93 33 panel 81 14.1-in . panel 83 14.1-in . panels 82 2040 LCD panel 83 12.1-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...
... view 89 Parts list 90 LCD FRU 93 33 panel 81 14.1-in . panel 83 14.1-in . panels 82 2040 LCD panel 83 12.1-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...
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...following table lists the specifications of the ThinkPad A21e series: Feature Processor Bus architecture Memory (standard) Memory (optional) CMOS RAM Display Diskette drive Hard-disk drive I/O port Internal modem Audio PC Card AC adapter Bay device Description Intel® Celeron® processor 600 MHz, L2 128-KB cache PCI Bus 64... MB (SO DIMM x 1) 64 MB or 128 MB DIMM card (maximum of 256 MB) 114 bytes v 12.1-inch, 16M colors, SVGA (800×600 resolution) TFT color LCD v 14.1-inch,...
...following table lists the specifications of the ThinkPad A21e series: Feature Processor Bus architecture Memory (standard) Memory (optional) CMOS RAM Display Diskette drive Hard-disk drive I/O port Internal modem Audio PC Card AC adapter Bay device Description Intel® Celeron® processor 600 MHz, L2 128-KB cache PCI Bus 64... MB (SO DIMM x 1) 64 MB or 128 MB DIMM card (maximum of 256 MB) 114 bytes v 12.1-inch, 16M colors, SVGA (800×600 resolution) TFT color LCD v 14.1-inch,...
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... does not blink in standby mode. Blinking orange: The battery needs to operate, but is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e The battery is resuming normal operation. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is being charged...
... does not blink in standby mode. Blinking orange: The battery needs to operate, but is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e The battery is resuming normal operation. when the indicator starts blinking orange, the computer beeps three times. 2 Standby status Green: The computer is being charged...
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... can be used as screen-scroll function keys, but not to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000. ThinkPad A21e 37 To enable or disable the keypad, press and hold the Fn key while pressing the NumLk key. Green: Scroll Lock mode is enabled. Arrow...
... can be used as screen-scroll function keys, but not to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000. ThinkPad A21e 37 To enable or disable the keypad, press and hold the Fn key while pressing the NumLk key. Green: Scroll Lock mode is enabled. Arrow...