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2 Troubleshooting Procedures
2-56 [CONFIDENTIAL] PORTEGE M700/M750 Maintenance Manual (960-661)
2.17 Touch screen Troubleshooting
To check if the touch screen is defective or not, follow the troubleshooting procedures below
as instructed.
CAUTION: Use the touch screen supplied to this model.
Procedure 1: Check on Windows Vista
Procedure 2: Touch screen connector Check and Replacement Check
Procedure 1 Check on Windows Vista
This procedure checks if the touch screen is working properly by using the function of
Windows Vista.
Check 1 Make sure the mouse cursor is following the touch screen when you move the
touch on the display. If it does not work properly, go to Procedure 2.
Check 2 Make sure the “click” function works properly when you touch the display with
the finger. If it does not work properly, go to Procedure 2.
When both the functions work correctly, the touch screen is not defective.