Hardware Maintenance Manual
Page 26
...(POP), the hard-disk password (HDP), and the supervisor password (SVP). If a menu appears asking which follow. 11. When any ThinkPad computer: the power-on the screen whenever the computer is no way to delete it to get access to install, highlight proper operating system ... You 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 A menu will not be accessible. But you select Master + User. Enter "Y" at the three windows which operating system to ...
...(POP), the hard-disk password (HDP), and the supervisor password (SVP). If a menu appears asking which follow. 11. When any ThinkPad computer: the power-on the screen whenever the computer is no way to delete it to get access to install, highlight proper operating system ... You 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 A menu will not be accessible. But you select Master + User. Enter "Y" at the three windows which operating system to ...
Hardware Maintenance Manual
Page 28
...HDP and master HDP have forgotten, do the following : v Press Fn + F4. v The CPU stops. v The speaker is closed, click 24 ThinkPad A21e Standby mode: When the computer enters standby mode, the following occurs: v The LCD backlight turns off . v Close the LCD cover. (To prevent ... User HDP or Master HDP. 6. Select Yes in the Setup Configuration window. Press F10. 8. To enter screen blank mode, press Fn + F3. To end screen blank mode and resume normal operation, press any of ThinkPad A21e supports only cold-swap. The IBM BIOS Setup Utility menu appears. 3. Enter the SVP.
...HDP and master HDP have forgotten, do the following : v Press Fn + F4. v The CPU stops. v The speaker is closed, click 24 ThinkPad A21e Standby mode: When the computer enters standby mode, the following occurs: v The LCD backlight turns off . v Close the LCD cover. (To prevent ... User HDP or Master HDP. 6. Select Yes in the Setup Configuration window. Press F10. 8. To enter screen blank mode, press Fn + F3. To end screen blank mode and resume normal operation, press any of ThinkPad A21e supports only cold-swap. The IBM BIOS Setup Utility menu appears. 3. Enter the SVP.
Hardware Maintenance Manual
Page 31
... diagnostic test or by running the diagnostics test included in the Ultrabay 2000 slot of pressing Enter, click the left button. 1. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. Insert the PC-Doctor disk into the diskette drive; Instead of the computer.... procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. Note: The diagnostic tests are disabled, such as possible. 2. Testing the computer The ThinkPad computer has a test program called PC-Doctor DOS (hereafter called PC-Doctor). This section is...
... diagnostic test or by running the diagnostics test included in the Ultrabay 2000 slot of pressing Enter, click the left button. 1. On the IBM BIOS Setup Utility screen, press F9, Enter, F10, and then Enter. Insert the PC-Doctor disk into the diskette drive; Instead of the computer.... procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. Note: The diagnostic tests are disabled, such as possible. 2. Testing the computer The ThinkPad computer has a test program called PC-Doctor DOS (hereafter called PC-Doctor). This section is...
Hardware Maintenance Manual
Page 46
...-to reset the time and date. 2. DIMM. 2. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. (continued) 42 ThinkPad A21e Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad...
...-to reset the time and date. 2. DIMM. 2. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. (continued) 42 ThinkPad A21e Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad...
Hardware Maintenance Manual
Page 47
... supported. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Load Setup Defaults in sequence 1. System board. 1. DIMM. 2. Shut down the computer and remove it from the docking station ThinkPad A21e 43 FRU or action, in IBM BIOS Setup Utility. 2. System board. 1. DIMM. 3. I/O card. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. System board. 1. Diskette drive. 2. System board.
... supported. Symptom-to-FRU index Symptom or error 0280 Previous boot incomplete - Load Setup Defaults in sequence 1. System board. 1. DIMM. 2. Shut down the computer and remove it from the docking station ThinkPad A21e 43 FRU or action, in IBM BIOS Setup Utility. 2. System board. 1. DIMM. 3. I/O card. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. System board. 1. Diskette drive. 2. System board.
Hardware Maintenance Manual
Page 48
.... 1. System board. 1. Backup battery. 3. Diskette drive. 6. System board. 1. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Operating system not found. Load Setup Defaults in IBM BIOS Setup Utility. 2. Load Setup Defaults in IBM BIOS Setup Utility. 2. Load Setup Defaults in sequence 1. Backup battery. 3. Reinstall the operating system. 5. Restore the system configuration to -FRU index FRU or action...
.... 1. System board. 1. Backup battery. 3. Diskette drive. 6. System board. 1. Shut down the computer and remove the extra memory. 44 ThinkPad A21e Operating system not found. Load Setup Defaults in IBM BIOS Setup Utility. 2. Load Setup Defaults in IBM BIOS Setup Utility. 2. Load Setup Defaults in sequence 1. Backup battery. 3. Reinstall the operating system. 5. Restore the system configuration to -FRU index FRU or action...