Troubleshooting The Battery; Troubleshooting Expansion Cards - Dell OptiPlex GX300 User Manual

computer is dropped or damaged, contact the manufacturer of the device for instructions or see
technical assistance from Dell. To troubleshoot a damaged computer, perform the following steps:
1. Turn off the system, including any attached peripherals, and disconnect all the AC power cables from their electrical outlets. Also, disconnect
any telephone or telecommunication lines from the computer.
CAUTION: Before you remove the computer cover, see
2. Remove the computer cover.
3. Check all the expansion-card connections in the computer.
4. Verify the diskette/tape drive, hard-disk drive, and all other internal connections.
Make sure that all cables are properly connected and that all components are properly seated in their connectors and sockets.
5. Replace the computer cover, reconnect the system to an electrical outlet, and reconnect any telephone or telecommunication lines.
6. Start the Dell Diagnostics
7. Run the System Board Devices test group.
If the tests complete successfully, your system is operating properly. If any of the tests fail, see
technical assistance.

Troubleshooting the Battery

CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
If an error message indicates a problem with the battery or if
off, the battery may be defective.
To troubleshoot the battery, perform the following steps:
1. Turn off the system, including any attached peripherals, and disconnect all the AC power cables from their electrical outlets. Also, disconnect
any telephone or telecommunication lines from the computer.
CAUTION: Before you remove the computer cover, see
2. Remove the computer cover.
3. Remove the AGP card brace according to the instructions in
4. Reseat the battery in its socket.
The battery is a coin cell that snaps into a socket on the system board.
5. If the problem is not resolved, replace the battery.
If the problem is still not resolved, you may have a faulty system board. See

Troubleshooting Expansion Cards

If an error message indicates an expansion-card problem or if an expansion card seems to perform incorrectly or not at all, the problem could be a
faulty connection, a conflict with software or other hardware, or a faulty expansion card. To troubleshoot expansion cards, perform the following
steps:
1. Turn off the system, including any attached peripherals, and disconnect all the AC power cables from their electrical outlets. Also, disconnect
any telephone or telecommunication lines from the computer.
CAUTION: Before you remove the computer cover, see
2. Remove the computer cover.
3. Remove the AGP card brace according to the instructions in
4. Verify that each expansion card is firmly seated in its connector. If any expansion cards are loose, reseat them.
by inserting the Dell ResourceCD and rebooting the system.
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