There is no sound or sound volume is too low.
Cause | Solution | |
|
|
|
System volume may be set low or muted. | 1. | Check the F10 BIOS settings to make sure the internal |
|
| system speaker is not muted (this setting does not |
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| affect the external speakers). |
| 2. | Make sure the external speakers are properly |
|
| connected and powered on and that the speakers' |
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| volume control is set correctly. |
| 3. | Use the system volume control available in the |
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| operating system to make sure the speakers are not |
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| muted or to increase the volume. |
|
|
|
Cannot remove computer cover or access panel.
Cause | Solution |
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
Poor performance is experienced.
Cause | Solution | |
|
| |
Processor is hot. | 1. Make sure airflow to the computer is not blocked. Leave | |
|
| a |
|
| computer and above the monitor to permit the required |
|
| airflow. |
| 2. | Make sure fans are connected and working properly |
|
| (some fans only operate when needed). |
| 3. | Make sure the processor heat sink 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 | Restart the computer. | |
memory back to the system. |
|
|
|
| |
Virus resident on the hard drive. | Run virus protection program. | |
|
|
|
100 Appendix C Troubleshooting Without Diagnostics
