HP Dc7100 Troubleshooting Guide - Page 23

Problem, Cause, Solution, The Smart Cover FailSafe Key, - manual

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Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause Cannot remove computer cover or access panel. Smart Cover Lock, featured on some computers, is locked. Poor performance is experienced. Processor is hot. Hard drive is full. Low on memory. Hard drive fragmented. Program previously accessed did not release reserved memory back to the system. Virus resident on the hard drive. Too many applications running. Cause unknown. Solution Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. Order PN 166527-001 for the wrench-style key or PN 166527-002 for the screwdriver bit key. 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Transfer data from the hard drive to create more space on the hard drive. Add more memory. Defragment hard drive. Restart the computer. Run virus protection program. 1. Close unnecessary applications to free up memory. 2. Add more memory. Restart the computer. Troubleshooting Guide www.hp.com 2-7

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Troubleshooting Guide
www.hp.com
2–7
Troubleshooting Without Diagnostics
Cannot remove
computer cover or
access panel.
Smart Cover Lock,
featured on some
computers, is locked.
Unlock the Smart Cover Lock using
Computer Setup.
The Smart Cover FailSafe Key, a
device for manually disabling the
Smart Cover Lock, is available from
HP. You will need the FailSafe Key in
case of forgotten password, power
loss, or computer malfunction. Order
PN 166527-001 for the wrench-style
key or PN 166527-002 for the
screwdriver bit key.
Poor performance is
experienced.
Processor is hot.
1. Make sure the airflow to the
computer is not blocked.
2.
Make sure the fans are connected
and working properly (some fans
only operate when needed).
3. Make sure the processor heatsink
is installed properly.
Hard drive is full.
Transfer data from the hard drive to
create more space on the hard drive.
Low on memory.
Add more memory.
Hard drive fragmented.
Defragment hard drive.
Program previously
accessed did not release
reserved memory back to
the system.
Restart the computer.
Virus resident on the hard
drive.
Run virus protection program.
Too many applications
running.
1. Close unnecessary applications
to free up memory.
2. Add more memory.
Cause unknown.
Restart the computer.
Solving General Problems
(Continued)
Problem
Cause
Solution