About Your System 37
Fatal Error caused 
a system reset:
Please check the 
system event log 
for details
A fatal system error 
occurred and caused the 
system to reboot.
Check the SEL for 
information that was logged 
during the error. See the 
applicable troubleshooting 
section in "Troubleshooting 
Your System" on page 125 for 
any faulty components 
specified in the SEL.
Gate A20 failure Faulty keyboard 
controller; faulty system 
board.
See "Getting Help" on 
page 167.
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.
Keyboard Controller 
failure
Faulty keyboard 
controller; faulty system 
board
See "Getting Help" on 
page 167.
Keyboard data line 
failure
Keyboard stuck key 
failure
Keyboard cable connector 
is loose or improperly 
connected, defective 
keyboard, or defective 
keyboard/mouse controller
Check the keyboard 
connection to the system. If 
the problem persists, try 
another keyboard, or see 
"Getting Help" on page 167.
Keyboard fuse has 
failed
Overcurrent has been 
detected at the keyboard 
connector.
See "Getting Help" on 
page 167.
Manufacturing mode 
detected
System is in 
manufacturing mode.
Reboot to take the system 
out of manufacturing mode. 
Table 1-7. System Messages (continued)
Message Causes Corrective Actions
book.book  Page 37  Sunday, June 21, 2009  5:16 PM