User manual

4.4 Problem Solving
Keep a note of what happens when you carry out the checks in this
chapter.
Notebook
The blue power light does not come on when you switch on the
notebook.
_ Is your notebook set up as shown on the Quick Start Guide?
_ Is your notebook switched on at the mains and at the notebook?
_ Does the mains supply work? Try another item of equipment in
the same socket.
The blue LED is flashing or has changed colour and/or there is no
display.
• This will probably mean that your notebook is in sleep mode.
Mouse
The mouse does not work.
• Check the mouse is plugged into the correct port.
• Check you have the correct mouse drivers loaded if required.
• Check that the ball of the mouse is free to rotate.