Dell OptiPlex GX50 User Manual page 200

198
So lv ing Pr o ble m s
Code Cause
3-2-4 Keyboard Controller
Test failure
3-3-1 NVRAM power loss
3-3-2 NVRAM configuration Run the System Board Devices tests in
3-3-4 Video Memory Test
failure
3-4-1 Screen initialization
failure
3-4-2 Screen retrace failure
3-4-3 Search for video ROM
failure
4-2-1 No time tick
4-2-2 Shutdown failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt
in protected mode
4-3-1 Memory failure above
address 0FFFFh
4-3-3 Timer-chip counter 2
failure
4-3-4 Time-of-day clock
stopped
4-4-1 Serial or parallel port
test failure
Action
Run the Keyboard tests in the
Diagnostics. Otherwise, see
Help" for instructions on obtaining
technical assistance.
Run the System Board Devices tests in
the Dell Diagnostics, if possible.
the Dell Diagnostics, if possible.
Run the VESA/VGA Interface tests in
the Dell Diagnostics.
Run the VESA/VGA Interface tests in
the Dell Diagnostics.
Run the VESA/VGA Interface tests in
the Dell Diagnostics.
Run the VESA/VGA Interface tests in
the Dell Diagnostics.
See "Getting Help" for instructions on
obtaining technical assistance.
See "Getting Help" for instructions on
obtaining technical assistance.
See "Getting Help" for instructions on
obtaining technical assistance.
See "Getting Help" for instructions on
obtaining technical assistance.
Run the System Memory tests in the
Dell Diagnostics.
See "Getting Help" for instructions on
obtaining technical assistance.
See "Getting Help" for instructions on
obtaining technical assistance.
Run the Serial Ports and the Parallel
Ports tests in the Dell Diagnostics.
Dell
"Getting