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Service Reference Guide, dc5750 437963-001 D–3
Troubleshooting Without Diagnostics
Poor performance is
experienced.
Processor is hot. 1. Ensure airflow to the computer is
not blocked. Leave a 10.2-cm
(4-inch) clearance on all vented
sides of the computer and above
the monitor to permit the required
airflow.
2. Ensure the fans are connected
and working properly (some fans
only operate when needed).
3. Ensure the processor heatsink is
installed properly.
Hard drive is full. Transfer data from the hard drive to
create more space on the hard drive.
Low on memory. Add more memory.
Hard drive fragmented. Defragment hard drive.
Program previously
accessed did not release
reserved memory back to
the system
Restart the computer.
Virus resident of the hard
drive.
Run virus protection program.
Too many applications
running.
1. Close unnecessary applications.
2. Add more memory.
Some software
applications, especially
games, are stressful on the
graphics subsystem.
1. Lower the display resolution for
the current application or consult
the documentation that came with
the application for suggestions on
how to improve performance by
adjusting parameters in the
application.
2. Add more memory.
3. Upgrade the graphics solution.
Cause unknown. Restart the computer.
Solving Minor Problems (Continued)
Problem Cause Possible Solution