HP dc7608 manual Cursor will not move using

Troubleshooting Without Diagnostics

Solving Keyboard and Mouse Problems (Continued)

Problem Cause Solution

Keyboard commands and typing are not recognized by the computer.

(continued)

Keyboard needs	Replace the keyboard.
repairs.
Wireless device error.	1.	Check software, if available, for
		device battery status.
	2.	Replace device batteries.
	3.	Reset receiver and keyboard.
Computer is in	Press the power button to resume
standby mode.	from standby mode.

ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and any unsaved data will be lost.

Cursor will not move using	The Num Lock key	Press the Num Lock key. The
the arrow keys on the	may be on.	Num Lock light should not be on if
keypad.		you want to use the arrow keys. The
		Num Lock key can be disabled
		(or enabled) in Computer Setup.

Mouse does not respond to movement or is too slow.

Mouse connector is not properly plugged into the back of the computer.

1.Shut down the computer using the keyboard.

2.Plug the mouse connector into the back of the computer (or the keyboard) and restart the computer.

Program in use has	Shut down the computer using the
stopped responding	keyboard and then restart the
to commands.	computer.
Mouse may need	Remove the roller ball cover on the
cleaning.	mouse and clean it.
Mouse needs repairs.	Replace the mouse.
Wireless device error.	1.	Check software, if available, for
		device battery status.
	2.	Replace device batteries.
	3.	Reset receiver and mouse.
Computer is in	Press the power button to resume
standby mode.	from standby mode.

ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data.

Mouse will only move	Mouse roller ball is	Remove roller ball cover from the
vertically or horizontally, or	dirty.	bottom of the mouse and clean it.
movement is jerky.

Service Reference Guide, dc7600 390742-002 D–17