HP Compaq d330 DT Troubleshooting Manual page 32

Troubleshooting Without Diagnostics
Solving Hard Drive Problems (Continued)
Problem
Computer will not start.
Computer seems to be
locked up.
2–16
Cause
Hard drive is damaged.
Program in use has
stopped responding to
commands.
www.hp.com
Solution
Observe the beeps and LED lights
on the front of the computer.
See Appendix A, "POST Error
Messages" to determine possible
causes.
See the Worldwide Limited
Warranty for details.
Attempt the normal Windows "Shut
Down" procedure. If this fails, press
the power button for four or more
seconds to turn off the power. To
restart the computer, press the
power button again.
Troubleshooting Guide