Troubleshooting Scenarios And Solutions; Solving Minor Problems - HP Z1 Maintenance And Service Manual

Troubleshooting scenarios and solutions

This section presents an extensive overview of various troubleshooting scenarios and possible solutions
for a Windows-based computer.
NOTE:
For Linux troubleshooting information, refer to the HP Workstations for Linux User Manual at
http://www.hp.com/support/linux_user_manual.

Solving minor problems

Table 4-1 Minor problems
Problem
Workstation appears frozen
and does not shut down
when the power button is
pressed.
Workstation seems to be
frozen.
Workstation date and time
display is incorrect.
Workstation appears to
pause periodically.
Cursor does not move using
the arrow keys on the
keypad.
Poor performance is
experienced.
Cause
Software control of the
power switch is not
functional.
Program in use has stopped
responding to commands.
Real-time clock (RTC) battery
might need replacement.
Network driver is loaded
and no network connection
is established.
The Num Lock key
might be on.
Processor is hot.
Hard drive is full.
Possible Solution
1. Press and hold the power button for at least four
seconds until the computer shuts down.
2.
Disconnect the electrical plug from the outlet.
1.
If possible, use the Windows Task Manager to isolate
and terminate the offending process.
2. Attempt the normal Windows shutdown procedure.
3.
Restart the computer using the power button.
1. Reset the date and time in the Control Panel.
2.
Replace the RTC battery.
Establish a network connection, or use Computer Setup
(F10) Utility or the Microsoft® Windows® Device Manager
to disable the network controller.
Press Num Lock. The Num Lock key can be disabled or
enabled in Computer Setup (F10) Utility.
1.
Verify that airflow to the computer is not blocked.
2.
Verify that chassis fans are connected and working
properly. Some fans operate only when needed.
3. Verify that the processor heatsink is installed properly.
Transfer data from the hard drive to create more space on
the hard drive.
Troubleshooting scenarios and solutions
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