Compaq Armada e500 Compaq Armada E500 and Armada V300 Maintenance and Service - Page 39

Clearing Passwords, Disconnect the Real Time Clock RTC battery

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NOTE: If a problem only occurs when an external device is connected to the computer, the problem could be with the external device or its cable. Isolate the problem by running POST with and without the external device connected. 8. Use Compaq Utilities and loopback plugs in the serial and parallel connectors if you plan to test these ports. Follow these steps to run Compaq Utilities: a. If you are running Compaq Utilities from the hard drive, turn on or restart the computer. Press F10 when the cursor appears in the upper-right corner of the screen. If you do not press F10 in time, restart the computer and try again. If you are running Compaq Utilities from a diskette, insert the Compaq Utilities diskette in drive A. Turn on or restart the computer. b. Press Enter to accept OK. c. Select Prompted Diagnostics. d. After "Identifying System Hardware" completes, select Interactive Testing and follow the instructions on the screen. 2.2 Clearing Passwords 1. Turn off the computer. 2. Disconnect the AC Adapter. 3. Remove all battery packs. 4. Remove the switch cover (refer to Chapter 5, Section 5.8). 5. Disconnect the Real Time Clock (RTC) battery (Section 5.9). 6. Wait five minutes. 7. Reconnect the RTC battery. 8. Replace the switch cover. 9. Reconnect the AC Adapter. Do not reinstall any battery packs yet. 10. Turn on the computer. NOTE: Remember to set the date and time the next time the computer is turned on. Troubleshooting 2-3

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Troubleshooting
2-3
NOTE:
If a problem only occurs when an external device is
connected to the computer, the problem could be with the external
device or its cable. Isolate the problem by running POST with and
without the external device connected.
8. Use Compaq Utilities and loopback plugs in the serial and parallel
connectors if you plan to test these ports.
Follow these steps to run Compaq Utilities:
a.
If you are running Compaq Utilities from the hard drive, turn on
or restart the computer. Press
F10
when the cursor appears in the
upper-right corner of the screen. If you do not press
F10
in time,
restart the computer and try again.
If you are running Compaq Utilities from a diskette, insert the
Compaq Utilities diskette in drive A. Turn on or restart the
computer.
b. Press
Enter
to accept OK.
c.
Select Prompted Diagnostics.
d.
After “Identifying System Hardware” completes, select
Interactive Testing and follow the instructions on the screen.
2.2
Clearing Passwords
1. Turn off the computer.
2. Disconnect the AC Adapter.
3. Remove all battery packs.
4. Remove the switch cover (refer to Chapter 5, Section 5.8).
5. Disconnect the Real Time Clock (RTC) battery (Section 5.9).
6. Wait five minutes.
7. Reconnect the RTC battery.
8. Replace the switch cover.
9. Reconnect the AC Adapter. Do not reinstall any battery packs yet.
10. Turn on the computer.
NOTE:
Remember to set the date and time the next time the computer is
turned on.