Troubleshooting
5–9
Table 5–4: Monitor Troubleshooting
Problem
Possible Cause
Action
Monitor power indicator
is not on.
Monitor is turned off.
Power cord is not
connected.
No power at wall
receptacle.
Monitor is defective.
Turn on the monitor.
Connect the power cord to the
system or a wall receptacle.
Use another receptacle.
Try another monitor.
Distorted, rolling, or
flickering screen display,
or wrong/uneven color.
Adjustments incorrect.
Wrong type of monitor.
Defective monitor.
Monitor signal cable
loose or damaged.
Monitor out of sync.
Console environment
variable is set to serial.
Adjust accordingly.
Try another monitor.
Try another monitor.
Inspect connector pins. Replace
cable if damaged.
If you have a three-wire monitor,
try setting sync to the green signal.
with the SRM firmware. For the
first ZLXp controller, set
tga_sync_green to 1; for the second
ZLXp controller, set
tga_sync_green to 2. If your
system has two controllers, set
tga_sync_green to 3.
To set the variable, temporarily
connect a five-wire monitor or hook
a terminal to the COM1 port and
use the serial console.
From the SRM prompt, change the
variable to graphics.
>>>set console graphics
>>>init.