Solving Display Problems - HP Z200 - Small Form Factor Workstation Maintenance And Service Manual

Table 6-3 Hard drive problems (continued)
Problem
Nonsystem disk or NTLDR missing
message.
Workstation will not start.

Solving display problems

Table 6-4
Problem
Blank screen (no video).
138 Chapter 6 Diagnostics and troubleshooting
Cause
System is trying to start from a
nonbootable diskette.
System is trying to start from a
damaged hard drive.
System files missing or not
properly installed.
Hard drive boot disabled in
Computer Setup.
Hard drive is damaged.
Display problems
Cause
The cable connections are not
correct.
The monitor is off.
Screen blanking utility installed
or energy saver features
enabled.
System ROM is bad; system is
running in FailSafe Boot Block
mode (indicated by 8 beeps).
Fixed-sync monitor does not
sync at the resolution
specified.
Computer is in Hibernate
mode.
Workstation monitor settings
are not compatible with the
monitor.
Solution
Remove the diskette from the drive.
1. Insert a bootable diskette into the drive and restart the
computer.
2. If the hard drive is still inaccessible and MBR Security
is enabled, try restoring the previously saved
MBR image by entering Setup and selecting
Security>Restore Master Boot Record.
1. Insert a bootable system diskette and restart.
2. Verify that the hard drive is partitioned and formatted.
3. Install the system files for the appropriate operating
system, if necessary.
Run the Computer Setup (F10) Utility and enable the hard
drive entry in the Storage>Boot Order list.
Replace the hard drive.
Solution
Verify the cable connections from the monitor to the
computer and to a working electrical outlet.
Turn the monitor on (LED is on). You might need to refer
to the monitor manual for an explanation of LED signals.
Press a key or the mouse button and, if set, enter your
password.
Reflash the ROM using a SoftPaq.
Verify that the monitor can accept the same horizontal scan
rate as the resolution specified.
Press the power button to resume from Hibernate mode.
1. When you see Press F8 in the bottom-right corner of
the screen, restart the computer and press
startup.
2. Using the keyboard arrow keys, select Enable VGA
Mode and then press Enter.
3. For Windows, double-click the Display icon in the
Control Panel and then select the Settings tab.
4. Use the sliding control to reset the resolution.
F8 during
ENWW