HP dx2810 - Microtower PC Service & Reference Manual page 151

Poor performance is experienced.
Cause
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.
Blank screen (no video).
Cause
Monitor is not turned on and the monitor light is not
on.
The cable connections are not correct.
You may have a screen blanking utility installed or
energy saver features are enabled.
Computer is in standby mode.
Solution
Defragment hard drive.
Restart the computer.
Run virus protection program.
1. Close unnecessary applications to free up
memory. 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, go to Start > Run
(Microsoft Windows XP) or Start > All
Programs > Accessories > Run (Microsoft
Windows Vista) and type msconfig. On
the Startup tab of the System Configuration
Utility, uncheck applications that you do not
want to launch automatically.
CAUTION: Do not prevent applications from
launching at startup that are required for
proper system operation.
2. Add more memory.
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.
Solution
Turn on the monitor and check that the monitor
light is on.
Check the cable connection from the monitor to
the computer and to the electrical outlet.
Press any key or click the mouse button and, if set,
type your password.
Press the power button to resume from standby
mode.
CAUTION: When attempting to resume from
standby mode, do not hold down the power
button for more than four seconds. Otherwise, the
computer will shut down and you will lose any
unsaved data.
Solving General Problems 141