HP E1Y97UT 11.6' E1Y97UT#ABA manual Solving Keyboard and Mouse Problems 163

Mouse does not respond to movement or is too slow.

Cause	Solution
Mouse connector is not properly plugged into the back of the	Shut down the computer using the keyboard.
computer.	1. Press the Ctrl and Esc keys at the same time (or press the
	Windows logo key) to display the Start menu.
	2. Use the arrow keys to select Shut Down and then press
	the Enter key.
	3. After the shutdown is complete, plug the mouse
	connector into the back of the computer (or the
	keyboard) and restart.
Program in use has stopped responding to commands.	Shut down the computer using the keyboard then restart the
	computer.
Mouse is not detected.	Unplug and reconnect the mouse cable to your computer.
Mouse may need cleaning.	Remove the roller ball cover on the mouse and clean the
	internal components.
Surface under the mouse is too smooth for the roller ball to	Use a mouse pad or other rough surface under the mouse.
work effectively.
Mouse may need repair.	See the Worldwide Limited Warranty for terms and
	conditions.
Computer is in standby mode.	Press the power button to resume from standby mode.
	CAUTION: 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 vertically, horizontally, or movement is jerky.
Cause	Solution

Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty.

Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit available from most computer stores.

Optical mouse does not track cursor well.

Cause	Solution
Surface under mouse is not conducive to optics.	1.	Gently wipe the light sensor lens on the bottom of the
		mouse with a lint-free cloth (not paper).
	2.	Place a mouse pad, white sheet of paper, or other less
		reflective surface under the mouse.

Solving Keyboard and Mouse Problems 163