Compaq AP500 Reference Guide - Page 98

Display Problems, Table 11-3, Solving Display Problems

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11-6 Troubleshooting Solving Diskette Drive Problems Continued Problem Possible Cause Drive cannot read a diskette Diskette is not formatted. You are using the wrong diskette type for the drive type. Drive not found Cable is loose. Nonsystem disk message The system is trying to start from a diskette that is not bootable. Possible Solution Format the diskette. Check the type of drive you are using and use the correct diskette type. Check connections. Remove the diskette from the drive. Display Problems Problem Blank screen Table 11-3 Solving Display Problems Possible Cause Monitor is not turned on and the monitor light is not on. Possible Solution Check that the monitor is on and light is on. The cable connections are not correct. Check the cable connection from the monitor to the workstation and to the grounded AC outlet. The QuickBlank feature has been enabled through Computer Setup. Run Computer Setup and disable the QuickBlank feature. The energy saver feature has been enabled. Press any key or type your password and wait a few moments for the screen to activate. The RGB (Red, Green, Blue) input switch on the back of the monitor is incorrectly set (select monitors only). Set the monitor's RGB input switch to 75 ohms and, if there is a sync switch, set it to External. Continued

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11-6
Troubleshooting
Solving Diskette Drive Problems
Continued
Problem
Possible Cause
Possible Solution
Drive cannot read a diskette
Diskette is not formatted.
Format the diskette.
You are using the wrong
diskette type for the drive
type.
Check the type of drive
you are using and use
the correct diskette type.
Drive not found
Cable is loose.
Check connections.
Nonsystem disk message
The system is trying to start
from a diskette that is not
bootable.
Remove the diskette
from the drive.
Display Problems
Table 11-3
Solving Display Problems
Problem
Possible Cause
Possible Solution
Blank screen
Monitor is not turned on and
the monitor light is not on.
Check that the monitor is
on and light is on.
The cable connections are
not correct.
Check the cable
connection from the
monitor to the
workstation and to the
grounded AC outlet.
The QuickBlank feature has
been enabled through
Computer Setup.
Run Computer Setup and
disable the QuickBlank
feature.
The energy saver feature has
been enabled.
Press any key or type
your password and wait a
few moments for the
screen to activate.
The RGB (Red, Green, Blue)
input switch on the back of
the monitor is incorrectly set
(select monitors only).
Set the monitor’s RGB
input switch to 75 ohms
and, if there is a sync
switch, set it to External.
Continued