Sony PCG-GRX590K - Manual (Page 59)

Troubleshooting
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Troubleshooting the LCD Screen
My LCD screen is blank.
❑ Check that the notebook is plugged into a power source and that it is
turned on.
❑ Check that the power indicator on the notebook is on.
❑ Check that the battery pack is inserted properly and that it is charged.
❑ The notebook may be in LCD (Video) Standby mode. Press any key to
activate the screen.
❑ The display mode may be set to external display mode. Press and hold the Fn
key while pressing the F7 key several times.
Troubleshooting the Mouse and Touchpad
My mouse does not work.
❑ If you are using an external mouse, check that the mouse is plugged into the
mouse connector. See “Connecting a PS/2® External Mouse or Keyboard”
in the online User Guide for more information.
❑ If you are using an optional Sony USB mouse PCGA-UMS1 series, check
that the mouse is plugged into the USB port.
❑ If you are still experiencing problems, use your supplied Driver Recovery
CD to reinstall the mouse drivers. See “To use the Driver Recovery CD(s)”
on page 49 for more information.
My touchpad does not work properly.
❑ You may have disabled the touchpad without connecting a mouse to the
notebook. To enable the touchpad:
1 Press the Windows key and use the arrow keys to select Programs, and
then Sony Notebook Setup.
2 Select the Touchpad tab using the arrow keys.
3 Select Enable Touchpad, and then press the Enter key.
❑ You must restart the notebook to make the touchpad work again.