IBM Aptiva Hardware Maintenance Manual page 91

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Check the mouse plug.
008 - ARE THERE ANY BROKEN PINS IN THE MOUSE PLUG? (YES, GO
TO STEP 010. NO, READ AHEAD.)
−
Try with a known good mouse.
009 - DO THE ERROR SYMPTOMS STILL REMAIN? (YES, READ
AHEAD. NO, GO TO STEP 010.)
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Replace the system board.
−
End
010 -
−
Replace the mouse.
−
End.
011 -
−
Exit diagnostics program.
−
Ensure that the mouse driver is properly installed.
−
Go to step 002.
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