About Your System 23
Error 8602 - 
Auxiliary Device 
Failure. Verify 
that mouse and 
keyboard are 
securely 
attached to 
correct 
connectors.
Mouse or keyboard cable is 
loose or improperly 
connected.
Reseat the mouse or keyboard 
cable.
Defective mouse or 
keyboard.
Ensure that the mouse or 
keyboard is operational. See 
"Troubleshooting a USB 
Device" on page 106.
Gate A20 failure. Faulty keyboard controller; 
faulty system board.
See "Getting Help" on 
page 129.
General failure. The operating system is 
unable to carry out the 
command.
This message is usually 
followed by specific 
information. Note the 
information, and take the 
appropriate action to resolve 
the problem.
Invalid 
configuration 
information - 
please run SETUP 
program.
An invalid system 
configuration caused a 
system to halt.
Run the System Setup 
program and review the 
current settings. See "Using 
the System Setup Program and 
UEFI Boot Manager" on 
page 35.
Keyboard 
controller 
failure.
Faulty keyboard controller; 
faulty system board.
See "Getting Help" on 
page 129.
Keyboard data 
line failure.
Keyboard stuck 
key failure.
Keyboard cable connector 
is improperly connected or 
the keyboard is defective.
Reseat the keyboard cable. If 
the problem persists, see 
"Troubleshooting a USB 
Device" on page 106.
Keyboard fuse has 
failed.
Overcurrent detected at 
the keyboard connector.
See "Getting Help" on 
page 129.
Message Causes Corrective Actions
Mayzie_HOM.book  Page 23  Monday, August 31, 2009  9:33 PM