Hardware Maintenance Manual
Page 32
...display on the screen. To exit the test, select Quit - Exit Diag. 28 ThinkPad A21e On the first screen, select the model and press Enter. A pull-down for at least 2 seconds; Follow the instructions on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor. 4. Run the applicable function ... Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v Communication v Memory Test - Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the screen. 2.
...display on the screen. To exit the test, select Quit - Exit Diag. 28 ThinkPad A21e On the first screen, select the model and press Enter. A pull-down for at least 2 seconds; Follow the instructions on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor. 4. Run the applicable function ... Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v Communication v Memory Test - Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the screen. 2.
Hardware Maintenance Manual
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... pack. 7. To cancel the test, press Esc. Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests...
... pack. 7. To cancel the test, press Esc. Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests...
Hardware Maintenance Manual
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...The 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...
...The 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...
Hardware Maintenance Manual
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... 1. Quick. 2. If the problem does not recur, return the DIMM to its place, remove the other one of them and run Diagnostics --> Memory Test - Turn on the computer and check the air turbulence at the louver near the power switch. 2. Diagnostics --> Other Devices --> CD-ROM/DVD... 2. If the test does not detect the error, run Diagnostics --> Memory Test - Interactive Tests --> CD-ROM/DVD Test 1. ThinkPad A21e 39 Diagnostics --> Diskette Drives 2. Run Diagnostics --> Other Devices --> IBM Fan. FRU Diskette drive CD-ROM or DVD drive...
... 1. Quick. 2. If the problem does not recur, return the DIMM to its place, remove the other one of them and run Diagnostics --> Memory Test - Turn on the computer and check the air turbulence at the louver near the power switch. 2. Diagnostics --> Other Devices --> CD-ROM/DVD... 2. If the test does not detect the error, run Diagnostics --> Memory Test - Interactive Tests --> CD-ROM/DVD Test 1. ThinkPad A21e 39 Diagnostics --> Diskette Drives 2. Run Diagnostics --> Other Devices --> IBM Fan. FRU Diskette drive CD-ROM or DVD drive...
Hardware Maintenance Manual
Page 48
... has been changed, re-create the hibernation file. Fan. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Allocation error for device. Invalid system configuration data. System board. 1. System board. 1. System board. 1. Check that ... system not found. Fan error. Unsupported memory configuration. Load Setup Defaults in sequence 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. DIMM. 2. DIMM. 2. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Enter IBM BIOS Setup Utility and see whether the ...
... has been changed, re-create the hibernation file. Fan. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Allocation error for device. Invalid system configuration data. System board. 1. System board. 1. System board. 1. Check that ... system not found. Fan error. Unsupported memory configuration. Load Setup Defaults in sequence 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. DIMM. 2. DIMM. 2. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Enter IBM BIOS Setup Utility and see whether the ...