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q Test right (left) button and check if right (left) button works.
004 - DOES THE MOUSE BUTTON WORK? (YES, READ
AHEAD. NO, GO TO STEP 007)
q Test mouse cursor movement.
005 - DOES THE MOUSE MOVE SMOOTHLY AND KEEP X
AND Y COORDINATES CHANGED? (YES, READ
AHEAD. NO, GO TO STEP 006)
q Mouse is functioning normally.
q End.
006 -
q Power off the system unit.
q Open mouse bottom cover and clean track ball.
q Go to step 002.
007
q Power off the system unit.
q Check the mouse plug.
008 - ARE THERE ANY BROKEN PINS IN THE MOUSE
PLUG? (YES, GO TO STEP 010. NO, READ AHEAD.)
q Try with a known good mouse.
009 - DO THE ERROR SYMPTOMS STILL REMAIN? (YES,
READ AHEAD. NO, GO TO STEP 010.)
q Replace the system board.
q End
010 -
q Replace the mouse.
q End.
011 -
q Exit diagnostics program.
q Make sure that the mouse driver is properly installed.
q Go to step 002.