Troubleshooting 83
System Messages
  NOTE: If the message you received is not listed in the table, see the documentation 
for either the operating system or the program that was running when the message 
appeared.
Message Possible Cause Corrective Action
8042 Gate-A20 
error
The keyboard 
controller failed its test.
If you receive this message 
after you make changes in 
the system setup program, 
enter the system setup 
program and restore the 
original value(s).
Address Line 
Short!
An error in the address 
decoding circuitry in 
the memory has 
occurred.
Reseat the memory 
modules (see "Memory" 
on page 104).
C: Drive Error
C: Drive Failure
The hard drive is not 
working or is not 
configured correctly.
Ensure that the hard drive 
is installed correctly in the 
computer (see "Drives" on 
page 128) and defined 
correctly in the system 
setup program (see 
"System Setup" on 
page 178).
Cache Memory Bad, 
Do Not Enable 
Cache
The cache memory is 
not operating.
See "Contacting Dell" on 
page 200 for instructions 
on obtaining technical 
assistance.
CH-2 Timer Error
An error is occurring on 
the timer on the system 
board.
See "Contacting Dell" on 
page 200 for instructions 
on obtaining technical 
assistance.
book.book  Page 83  Tuesday, November 27, 2007  10:29 AM