Dell OptiPlex GX150, Руководство пользователя

Страница: 78 / 154

Did any of the diagnostics tests fail?
Yes . Contact Dell for technical assistance.
No . The problem is resolved.
Hardware Conflicts
Hardware conflicts occur when the operating system detects multiple devices that are attempting to operate on the same system resources when
those resources cannot be shared between the devices.
Symptoms:
l
System hangs or locks up, particularly while using a specific device.
l
Memory parity errors occur on parity-enabled systems.
l
Noise or other problems from sound cards.
l
Unintelligible characters printed on the printer.
l
Mouse pointer hangs and will not move or moves in a stuttering fashion.
l
Messages stating that the computer is not operating at maximum performance.
l
Errors and crashes of applications for no apparent reason.
l
Nothing displays on the video monitor.
To resolve hardware conflicts, remove any newly added hardware and contact the hardware manufacturer. Also see your operating system
documentation.
System Memory Problems
During POST, the computer checks the computer's memory, determines the amount of installed memory, and then writes to and reads from the
number of available bytes to ensure proper operation.
Basic Checks:
l
If an insufficient memory message appears, save and close any open files and exit any open application programs not in use.
l
Consider installing additional system memory.
l
Run the System Memory test in the Dell Diagnostics.
l
Reseat the memory modules.
l
Restart the computer.
If the problem still exists after you complete the basic checks, fill out the Diagnostic Checklist as you perform the following steps.
1. Reboot the computer.
Does the RAM count displayed correctly match the actual amount of memory installed in the computer?
Yes . The computer needed to update the memory count. The problem is resolved.
No . Go to step 2.
2. Run the System Memory test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes . Contact Dell for technical assistance.
No . Go to step 3.
3. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then open the computer
cover.
4. Rotate the power supply away from the system board.
CAUTION: Before you perform this procedure, see " Safety Information ."