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Troubleshooting Without Diagnostics
Solving MultiBay Problems
Solving MultiBay Problems
Problem
Drive not found.
Solving Display Problems
Solving Display Problems
Problem
Blank screen (no video).
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.
D–10
Cause
You attempted to hot
plug a removable
hard drive that has
DriveLock security
enabled. (This feature
supported on some
models.)
MultiBay is hidden in
Computer Setup.
Cause
Monitor is not turned
on.
The cable connections
are not correct.
Bad monitor.
Screen blanking utility
installed or energy
saver features enabled.
System ROM is
corrupted; system is
running in Boot Block
Emergency Recovery
Mode (indicated by
eight red blinks from the
power LED and eight
simultaneous beeps).
Fixed-sync monitor will
not sync at the
resolution chosen.
Computer is in
standby mode.
390742-001
Solution
Shut down Windows and turn off
the computer. Insert the drive into
the MultiBay, if it is not already
inserted. Turn on the computer.
Enter Computer Setup and set
MultiBay to Device Available in
Security > Device Security.
Solution
Turn on the monitor and check that
the monitor light is on.
Check the cable connections from
the monitor to the computer and to
the electrical outlet.
Try a different monitor.
Press any key or click the mouse
button and, if set, type your
password.
1. Reflash the system ROM with the
latest BIOS image.
2. Replace the system board.
Ensure that the monitor can accept
the same horizontal scan rate as the
resolution chosen.
Press the power button to resume
from standby mode.
Service Reference Guide, dc7600
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