Computer date and time display is incorrect.

Cause

Solution

 

 

RTC (real-time clock) battery may need to be replaced.

Reset the date and time under Control Panel (Computer Setup

NOTE: Connecting the computer to a live AC outlet prolongs the

can also be used to update the RTC date and time). If the problem

persists, replace the RTC battery. See the Removal and

life of the RTC battery.

Replacement section for instructions on installing a new battery,

 

 

or contact an authorized dealer or reseller for RTC battery

 

replacement.

 

To access Control Panel in Windows 7, select Start, and then

 

select Control Panel.

 

To access Control Panel in Windows 8.1, 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.

Solving general problems 171