Hardware Maintenance Manual
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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
Hardware Maintenance Manual
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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 How to use error messages Use the error codes displayed on the computer you select an incorrect drive, data or programs can be overwritten. If...
... 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 How to use error messages Use the error codes displayed on the computer you select an incorrect drive, data or programs can be overwritten. If...
Hardware Maintenance Manual
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...-frame eyeglasses, or metal fasteners for you need to your elbows. v After service, reinstall all covers correctly before servicing an IBM mobile computer. v Do not perform any heavy object: 1. General safety Follow these rules to the customer. 12 ThinkPad A21e Never move suddenly or twist when you can be familiar with your back.
...-frame eyeglasses, or metal fasteners for you need to your elbows. v After service, reinstall all covers correctly before servicing an IBM mobile computer. v Do not perform any heavy object: 1. General safety Follow these rules to the customer. 12 ThinkPad A21e Never move suddenly or twist when you can be familiar with your back.
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... you in your electrical hand tools for possible hazards in identifying potentially unsafe conditions. Safety inspection guide The purpose of non-IBM features or options not covered by this inspection guide is conductive; v Do not use good judgment to identify potential safety...electrical 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 do not become a victim yourself. - Use caution; Power supply units - First, check that power has been disconnected from injury. v Always look...
... you in your electrical hand tools for possible hazards in identifying potentially unsafe conditions. Safety inspection guide The purpose of non-IBM features or options not covered by this inspection guide is conductive; v Do not use good judgment to identify potential safety...electrical 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 do not become a victim yourself. - Use caution; Power supply units - First, check that power has been disconnected from injury. v Always look...
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...prong of a grounding system 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. The mat is a laser product. Proper grounding of the electrical outlet can ...v Use the black side of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 16 ThinkPad A21e to conform to the requirements of the Department of Health and Human Services 21 Code of the computer is certified to conform to the ...
...prong of a grounding system 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. The mat is a laser product. Proper grounding of the electrical outlet can ...v Use the black side of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 16 ThinkPad A21e to conform to the requirements of the Department of Health and Human Services 21 Code of the computer is certified to conform to the ...
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... use. Read this first __ 6. Customer's name and address Note for repair costs if the computer damage was subjected to excessive force, or dropped. 20 ThinkPad A21e Procedure index and page number in the diskette drive v Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of...
... use. Read this first __ 6. Customer's name and address Note for repair costs if the computer damage was subjected to excessive force, or dropped. 20 ThinkPad A21e Procedure index and page number in the diskette drive v Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of...
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... system administrator, who can start until the password is booted. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup Utility so that 22 ThinkPad A21e Related service information 8. If a menu appears asking which follow. 11. Press "ENTER" to complete Recovery. Exception: If only SVP is installed, the...
... system administrator, who can start until the password is booted. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup Utility so that 22 ThinkPad A21e Related service information 8. If a menu appears asking which follow. 11. Press "ENTER" to complete Recovery. Exception: If only SVP is installed, the...
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...mode and resume normal operation, press any of the following : 1. The UltraBay of the hard-disk drive. v The hard-disk drive is the letter of ThinkPad A21e supports only cold-swap. Power on the computer by pressing and holding F1. 2. Enter the SVP. v The hard-disk drive motor stops. The... IBM BIOS Setup Utility menu appears. 3. Related service information To remove the user HDP that you try to do any key. Standby mode: When the computer...
...mode and resume normal operation, press any of the following : 1. The UltraBay of the hard-disk drive. v The hard-disk drive is the letter of ThinkPad A21e supports only cold-swap. Power on the computer by pressing and holding F1. 2. Enter the SVP. v The hard-disk drive motor stops. The... IBM BIOS Setup Utility menu appears. 3. Related service information To remove the user HDP that you try to do any key. Standby mode: When the computer...
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..., and setup data are stored on , the computer leaves hibernation mode and resumes operation. When the power is restored from the hard-disk drive. 26 ThinkPad A21e The hibernation file in suspend mode (for operating systems other than Windows 98). Notes: The computer cannot enter hibernation mode when it is powered with...
..., and setup data are stored on , the computer leaves hibernation mode and resumes operation. When the power is restored from the hard-disk drive. 26 ThinkPad A21e The hibernation file in suspend mode (for operating systems other than Windows 98). Notes: The computer cannot enter hibernation mode when it is powered with...
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... with the arrow keys, and press Enter. v Video Adapter test supports only the LCD display on the screen. Follow the instructions on ThinkPad. To exit the test, select Quit - Full v Memory Test - Each key should be sensed. The main panel of PC-Doctor appears.... 3. Run the applicable function test. 5. A pull-down for at least 2 seconds; Exit Diag. 28 ThinkPad A21e otherwise, it . 6. Follow the instructions on the test menu are as follows: Diagnostics v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard ...
... with the arrow keys, and press Enter. v Video Adapter test supports only the LCD display on the screen. Follow the instructions on ThinkPad. To exit the test, select Quit - Full v Memory Test - Each key should be sensed. The main panel of PC-Doctor appears.... 3. Run the applicable function test. 5. A pull-down for at least 2 seconds; Exit Diag. 28 ThinkPad A21e otherwise, it . 6. Follow the instructions on the test menu are as follows: Diagnostics v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard ...
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... the power-on indicator does not turn on , check the power cord of the ac adapter cable. If it return to the next section. 30 ThinkPad A21e Unplug the ac adapter cable from the ac adapter does not always indicate a defect. If the battery status indicator or icon does not turn on...
... the power-on indicator does not turn on , check the power cord of the ac adapter cable. If it return to the next section. 30 ThinkPad A21e Unplug the ac adapter cable from the ac adapter does not always indicate a defect. If the battery status indicator or icon does not turn on...
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... of the backup battery. Checking the backup battery Do the following figure. 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. The resistance must be 4 to +3.2 Ground v If the voltage is correct, replace the system...
... of the backup battery. Checking the backup battery Do the following figure. 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. The resistance must be 4 to +3.2 Ground v If the voltage is correct, replace the system...
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... 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 panel 81 14.1-in . 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...
... 87 Front view 87 Rear view 88 Bottom view 89 Parts list 90 LCD FRU 93 33 panel 81 14.1-in . 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...
Hardware Maintenance Manual
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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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... show the status of the computer, as follows: Indicator 1 Battery Meaning Green: The battery is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e
... show the status of the computer, as follows: Indicator 1 Battery Meaning Green: The battery is in Windows 98, Windows 2000 and Windows Me. (continued) 36 ThinkPad A21e
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... in the Ultrabay 2000. Note: Do not move the cursor. If the power-on indicator is on and the standby indicator is off the computer. ThinkPad A21e 37 Green: The numeric keypad on . Arrow keys can use the computer after it returns from or written to use. To enable or disable Scroll...
... in the Ultrabay 2000. Note: Do not move the cursor. If the power-on indicator is on and the standby indicator is off the computer. ThinkPad A21e 37 Green: The numeric keypad on . Arrow keys can use the computer after it returns from or written to use. To enable or disable Scroll...
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... following table shows the test for the bottom slot.Diagnostics --> Systemboard --> PCMCIA, PCMCIA External Loop 1. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Intel Modem Register d. Diagnostics --> CPU/Coprocessor 2. Make sure the modem is not a hardware problem. Lucent Modem (M2) Dialtone... 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 a short time.
... following table shows the test for the bottom slot.Diagnostics --> Systemboard --> PCMCIA, PCMCIA External Loop 1. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Intel Modem Register d. Diagnostics --> CPU/Coprocessor 2. Make sure the modem is not a hardware problem. Lucent Modem (M2) Dialtone... 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 a short time.
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Interactive Tests --> CD-ROM/DVD Test 1. If the test does not detect the error, run Diagnostics --> Memory Test - Run Diagnostics --> Other Devices --> IBM Fan. Diagnostics --> Diskette Drives 2. If two DIMMs are installed, remove one , and run the test again. 3. Interactive Tests --> Diskette 1. Turn on the computer and check ... and run Diagnostics --> Memory Test - Diagnostics --> Other Devices --> CD-ROM/DVD 2. FRU Diskette drive CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. ThinkPad A21e 39 Full. 1.
Interactive Tests --> CD-ROM/DVD Test 1. If the test does not detect the error, run Diagnostics --> Memory Test - Run Diagnostics --> Other Devices --> IBM Fan. Diagnostics --> Diskette Drives 2. If two DIMMs are installed, remove one , and run the test again. 3. Interactive Tests --> Diskette 1. Turn on the computer and check ... and run Diagnostics --> Memory Test - Diagnostics --> Other Devices --> CD-ROM/DVD 2. FRU Diskette drive CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. ThinkPad A21e 39 Full. 1.
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... works independently from the operating system. Turn off the LCD display, leaving the screen blank. To turn the LCD display on or off . Mute. 40 ThinkPad A21e Reserved. Audio volume becomes bigger. The LCD becomes brighter. Key combination Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6 Fn + F7...
... works independently from the operating system. Turn off the LCD display, leaving the screen blank. To turn the LCD display on or off . Mute. 40 ThinkPad A21e Reserved. Audio volume becomes bigger. The LCD becomes brighter. Key combination Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6 Fn + F7...