qTest right (left) button and check if right (left) button works.
004 - DOES THE MOUSE BUTTON WORK? (YES, READ AHEAD. NO, GO TO STEP 007)
qTest mouse cursor movement.
005 - DOES THE MOUSE MOVE SMOOTHLY AND KEEP X AND Y COORDINATES CHANGED? (YES, READ AHEAD. NO, GO TO STEP 006)
qMouse is functioning normally.
qEnd.
006 -
qPower off the system unit.
qOpen mouse bottom cover and clean track ball.
qGo to step 002.
007
qPower off the system unit.
qCheck the mouse plug.
008 - ARE THERE ANY BROKEN PINS IN THE MOUSE PLUG? (YES, GO TO STEP 010. NO, READ AHEAD.)
qTry with a known good mouse.
009 - DO THE ERROR SYMPTOMS STILL REMAIN? (YES, READ AHEAD. NO, GO TO STEP 010.)
qReplace the system board.
qEnd
010 -
qReplace the mouse.
qEnd.
011 -
qExit diagnostics program.
qMake sure that the mouse driver is properly installed.
qGo to step 002.
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