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Poor performance.
Cause
Processor is too hot.
Hard drive is full.
Low on memory.
Hard drive fragmented.
Program previously accessed did not release reserved memory
back to the system.
Virus resident on the hard drive.
Too many applications running.
Some software applications, especially games, are stressful on
the graphics subsystem.
Cause unknown.
66
Chapter 7 Troubleshooting without diagnostics
Solution
1.
Make sure 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.
Make sure fans are connected and working properly (some
fans only operate when needed).
3.
Make sure the processor heat sink is installed properly.
Transfer data from the hard drive to create more space on the
hard drive.
Add more memory.
Defragment hard drive.
Restart the computer.
Run virus protection program.
Windows 7:
1.
Close unnecessary applications to free up memory.
2.
Add more memory.
3.
Some applications run in the background and can be closed
by right-clicking on their corresponding icons in the task
tray. To prevent these applications from launching at
startup:
In Windows 7:
a.
Go to Start > All Programs > Accessories > Run
b.
Type msconfig, and then press Enter.
c.
On the Startup tab of the System Configuration Utility,
clear applications that you do not want to launch
automatically, and the click OK.
In Windows 8.1:
a.
On the Start screen, right-click, and then select the All
apps icon.
b.
Under Windows System, click Run.
c.
Type msconfig, and then press Enter.
d.
On the Startup tab of the System Configuration Utility,
clear applications that you do not want to launch
automatically, and the click OK.
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.
Restart the computer.
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