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Computer date and time display is incorrect.
Cause
There is no sound or sound volume is too low.
Cause
System volume might be set low or muted.
Cannot remove computer cover or access panel.
Cause
Smart Cover Lock, featured on some computers, is locked.
Poor performance.
Cause
Processor is too hot.
Hard drive is full.
Low on memory.
Hard drive fragmented.
Program previously accessed did not release reserved memory
back to the system.
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Chapter 5 Troubleshooting without diagnostics
Solution
To access Control Panel in Windows 10, type control panel in
the taskbar search box, and then select Control Panel.
Solution
1.
Check the front panel to see if an amber light indicates the
system has been muted. Tap the touch-sensitive button to
toggle the mute on and off.
2.
Check the Computer Setup settings to make sure the internal
system speaker is not muted (This setting does not affect the
external speakers).
3.
Make sure the external speakers are properly connected and
powered on and that the speakers' volume control is set
correctly.
4.
Use the system volume control available in the operating
system to make sure the speakers are not muted or to
increase the volume.
Solution
Unlock the Smart Cover Lock using Computer Setup.
In case of forgotten password, power loss, or computer
malfunction, you must manually disable the Smart Cover lock . A
key to unlock the Smart Cover Lock is not available from HP. Keys
are typically available from a hardware store.
Solution
1.
Make sure airflow to the computer is not blocked. Leave a
10.2-cm (4-inch) clearance on all vented sides of the
computer 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.
Transfer data from the hard drive to create more space on the hard
drive.
Add more memory.
Defragment hard drive.
Restart the computer.
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