Computer date and time display is incorrect.
Cause Solution
To access Control Panel in Windows 7, select Start, and then
select Control Panel.
To access Control Panel in Windows 8, from the Start screen, type
c, and then select Control Panel from the list of applications.
Cursor will not move using the arrow keys on the keypad.
Cause Solution
The Num Lock key is turned on. Press the Num Lock key. The Num Lock light must be off if you
want to use the arrow keys on the keypad. You can also disable or
enable the Num Lock key in Computer Setup at Advanced >
Device Options.
There is no sound or sound volume is too low.
Cause Solution
System volume may be set low or muted. 1. Check the Computer Setup settings to make sure the
internal system speaker is not muted (this setting does not
affect the external speakers).
2. Make sure the external speakers are properly connected
and powered on and that the speakers' volume control is set
correctly.
3. Use the system volume control available in the operating
system to make sure the speakers are not 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.
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.
Poor performance.
Cause Solution
Processor is too hot. 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 and above the monitor to permit the required
airflow.
2. Make sure fans are connected and working properly (some
fans only operate when needed).
Solving general problems 75
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