Toshiba Satellite P775 - Manual (Page 151)

Problem Procedure
The on-screen
pointer moves
erratically The elements of the mouse responsible for
detecting movement might be dirty - please refer to
the documentation supplied with the mouse for
instructions on how to clean it.
If you are still unable to resolve the problem,
contact TOSHIBA Support.
USB device
In addition to the information in this section, please also refer to the
documentation supplied with your USB device.
Problem Procedure
USB device does not
work Remove the USB device from the computer and
then reconnect it to a free port in order to ensure it
is firmly attached.
Ensure that any required USB device drivers are
properly installed - to achieve this you should refer
to both the device documentation and the
operating system documentation.
Sleep and Charge function
For more information and settings, please refer to the Using the TOSHIBA
Sleep Utility section in Chapter 4, Utilities & Advanced Usage.
Satellite P770/P775 Series
User's Manual 6-12