53
CHAPTER 5: Troubleshooting
B. Your monitor might not be capable of synching to
the selected video resolution or frequency (refresh
rate). Try a lower resolution or frequency or a more
powerful monitor.
C. If the video problem is not centered on the monitor
itself, check the monitor
cable and the video strand of
the CPU-Extension Cable. Tighten any loose connections.
D.
If no cable connectors are loose, begin swapping your
cables one at a time. If the
problem goes away when you
substitute a cable, the cable you were using is probably
defective.
E. If swapping cables doesn’t solve the problem, try
plugging the CPU into the other CPU port on the
ServSwitch Spectra. If the problem goes away when
the CPU is connected to the other port, the first port’s
video connector is probably defective.
5.3.10 Y
OUR
V
IDEO
I
S
OK
IN
L
OW
-R
ESOLUTION
M
ODE
,
B
UT
Y
OU
C
AN
’
T
G
ET
I
NTO
H
IGH
-R
ESOLUTION
M
ODE
A. If you’re using XGA, you must use coaxial CPU
cable (see Section 3.4).
B. Check your video driver. It might not be set up
correctly for your desired resolution.
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