HP DesignJet 500 Service Manual page 78

Symptom Call Center:
Suggestions
Computer pauses May be normal Windows
or runs sluggishly. behavior (background
processing can affect
response time).
Certain background
operations (such as
VirusScan) can affect
performance.
Press CTRL+ALT+DEL to
see if an application is not
responding.
Restart the computer.
If the hard disk has spun
down to conserve power, it
can take several seconds to
spin up (you can hear this).
You can use the BIOS Setup
utility to change the hard disk
time-out to match the
Standby time-out.
Some file browsers respond
slowly while processing
graphics or waiting for broken
network connections to time
out.
Check for overheating—see
the previous symptom.
If the computer's hard disk
drive frequently runs (as
indicated by the hard disk
activity light) while the
computer is paused or
running slowly, consider
installing additional SDRAM.
Check the amount of
available free disk space.
Delete temporary and
unneeded files.
Run BIOS Setup and set the
Power Management Mode to
Max. Performance.
Run BIOS Setup and turn off
Intel SpeedStep Mode.
Computer is still on Press CTRL+ALT+DEL and
but stops end any application that is
responding. not responding.
Slide and hold the power
button four seconds to turn
off and reset the computer.
Press the system-off switch
to reset the computer.
3-16 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Motherboard. If the computer slows after a
period of continuous activity,
see the previous symptom.
HP Omnibook 500