HP 280 G1 manual Solving general problems

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.

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