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HP Z200 Maintenance And Service Manual Page 157

Small form factor workstation.
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Table 6-1
Minor problems (continued)
Problem
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.
ENWW
Cause
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.
Reset the date and time in the Control Panel.
2.
Replace the RTC battery.
Establish a network connection, or use the 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 the 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
145

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