IBM 2274 - Manual (Page 101)

Check Procedures 67
Mouse
NOTE: A sticking key button can cause the mouse to
operate incorrectly. If you suspect this, go to
“Keyboard” on page 66.
001 - START
• Make sure that the mouse ball turns freely.
• Make sure that the mouse plug connects properly.
002 -
• Power off the system unit.
• Insert the diagnostics diskette into the diskette
drive.
• Power on the system unit.
• Select Interactive Tests menu, then execute
Mouse test.
003 - DO YOU SEE THE MOUSE CURSOR IN THE
DIAGNOSTICS PROGRAM? (YES, READ AHEAD.
NO, GO TO STEP 011)
• 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)
• 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)
• Mouse is functioned normally.
• End.
006 -
• Power off the system unit.
• Open mouse bottom cover and clean track ball.
• Go to step 002.
007
• Power off the system unit.
• Check the mouse plug.