Lenovo NetVista IBM PC300 (Type 2169) - Hardware Maintenance Manual (September - Page 100
Are There Any Broken Pins In The Mouse, Does The Mouse Move Smoothly And Keep X
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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. 98