2–16 www.hp.com Troubleshooting Guide
Troubleshooting Without Diagnostics
Computer will not start. Hard drive is damaged. 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.
Computer seems to be
locked up.
Program in use has
stopped responding to
commands.
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.
Solving Hard Drive Problems (Continued)
Problem Cause Solution
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