Keyboard
001
A failing mouse can show up as a keyboard failure.
– Power off the system unit.
– Disconnect the mouse from the system unit.
– Power on the system unit.
DID THE SYMPTOM REMAIN?
Yes No
002
Replace the failing mouse.
003
– Power off the system unit and wait 10 seconds.
– Reinstall the mouse.
– Ensure the keyboard cable is fully inserted into the system unit.
– Remove any foreign objects that may interfere with the mechanical
operation of the keybuttons.
– Power on the system unit.
DID YOU RECEIVE A 3XX POST ERROR?
Yes No
004
Go to “Start” on page 2-2.
005
– Power off the system unit and wait 10 seconds.
– Disconnect the keyboard cable from the system unit.
– Power on the system unit.
– Check the voltage at the keyboard cable connector on the system board,
shown in Figure 2-6 on page 2-33, after the POST.
Note: Measure voltages with respect to Ground (Pin 3).
2-32
Summary of Contents for Aptiva 2144
Page 2: ......
Page 18: ...xvi ...
Page 20: ...xviii ...
Page 50: ...1 30 ...
Page 153: ...Drive Front View Figure 4 25 Bay 4 3 5 In Repair Information 4 27 ...
Page 200: ...5 32 ...
Page 202: ...6 2 ...
Page 206: ...Assembly 2 Machine Type 2144 System Unit Interior SL I 5 4 3 8 7 6 1 10 2 9 13 12 11 7 4 ...
Page 213: ...Assembly 5 Diskette and Hard Disk Drives 5 1 4 3 5 5 2 Parts Catalog 7 11 ...
Page 215: ...Assembly 6 CD ROM Sound Cards Multimedia Models 3 9 1 2 8 7 4 6 5 Parts Catalog 7 13 ...
Page 226: ...7 24 ...
Page 245: ......