HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 186

Solving MultiBay Problems, Problem, Cause, Solution, Device Available, Security > Device Security

Page 186 highlights

Troubleshooting Without Diagnostics Solving MultiBay Problems Solving MultiBay Problems Problem Cause Drive not found. 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. 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. Solving Display Problems Solving Display Problems Problem Cause Solution Blank screen (no video). Monitor is not turned on. Turn on the monitor and check that the monitor light is on. The cable connections are not correct. Check the cable connections from the monitor to the computer and to the electrical outlet. Bad monitor. Try a different monitor. 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 corrupted; system is running in Boot Block Emergency Recovery Mode (indicated by eight red blinks from the power LED and eight simultaneous beeps). 1. Reflash the system ROM with the latest BIOS image. 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. D-10 390812-001 Service Reference Guide, dx7200

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D–10
390812-001
Service Reference Guide, dx7200
Troubleshooting Without Diagnostics
Solving MultiBay Problems
Solving Display Problems
Solving MultiBay Problems
Problem
Cause
Solution
Drive not found.
You attempted to hot
plug a removable
hard drive that has
DriveLock security
enabled. (This feature
supported on some
models.)
Shut down Windows and turn off
the computer. Insert the drive into
the MultiBay, if it is not already
inserted. Turn on the computer.
MultiBay is hidden in
Computer Setup.
Enter Computer Setup and set
MultiBay to
Device Available
in
Security > Device Security
.
Solving Display Problems
Problem
Cause
Solution
Blank screen (no video).
Monitor is not turned
on.
Turn on the monitor and check that
the monitor light is on.
The cable connections
are not correct.
Check the cable connections from
the monitor to the computer and to
the electrical outlet.
Bad monitor.
Try a different monitor.
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
corrupted; system is
running in Boot Block
Emergency Recovery
Mode (indicated by
eight red blinks from the
power LED and eight
simultaneous beeps).
1.
Reflash the system ROM with the
latest BIOS image.
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.