Service Reference Guide, dc5100
376220-001
D–11
Solving Display Problems
Problem
Cause
Solution
Blank screen (no video).
The cable connections
are not correct.
Check the cable connections from
the monitor to the computer and to
the electrical outlet.
Screen blanking utility
installed or energy
saver features enabled.
Press any key or click the mouse
button and, if set, type your
password.
System ROM is bad;
system is running in
FailSafe Boot Block
mode (indicated by
eight red blinks from the
power LED and eight
simultaneous beeps).
1. Reflash the ROM using a
ROMPaq diskette.
2. Replace the system board.
Fixed-sync monitor will
not sync at the
resolution chosen.
Ensure that the monitor can accept
the same horizontal scan rate as the
resolution chosen.
Computer is in
standby
mode.
Press the power button to resume
from
standby
mode.
Ä
CAUTION:
When attempting to resume from
standby
mode, do not hold down the
power button for more than four seconds. Otherwise, the computer will shut down and
you will lose any unsaved data.
Monitor cable plugged
into the wrong
connector.
If the computer system has both
an integrated graphics connector
and a graphics expansion card
connector, plug the monitor cable
into the expansion card connector.
Monitor settings in the
computer are not
compatible with the
monitor.
1. Restart the computer and press
F8
during startup when you see
“Press F8” in the bottom right
corner of the screen.
2. Using the keyboard arrow keys,
select
Enable VGA Mode
and press
Enter
.
3. In Windows Control Panel,
double-click the
Display
icon
and select the
Settings
tab.
4. Use the sliding control to reset
the resolution.