Compaq AP200 manual Solving Display Problems, 8Troubleshooting, Screen is blank

Models: AP200

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6-8Troubleshooting

Solving Display Problems

If you encounter display problems, refer to the documentation that came with your monitor and to the common causes and solutions listed in the following table.

Table 6-4

Solving Display Problems

Problem

Cause

Solution

Screen is blank.

Monitor is not turned on and

 

the monitor light is not on.

Turn on the monitor and verify that the monitor light is on.

The cable connections are not correct.

The energy saver feature has been enabled.

The RGB (Red, Green, Blue) input switch on the back of the monitor is incorrectly set.

Check the cable connection from the monitor to the workstation and to the grounded AC outlet.

Press any key or click the mouse button and, if it is set, type your password.

Set the monitor’s RGB input switch to 75 ohms and, if there is a sync switch, set it to External.

System ROM is bad; system is running in Failsafe Boot Block mode (indicated by one long beep and three short beeps).

Reflash the ROM using a ROMPaq diskette. See the “Failsafe Boot Block ROM” section of Chapter 3 for more information.

Continued

Writer: IM Project: Compaq Professional Workstation AP200 Reference Guide Comments: 352620-003

File Name: G-CH06.DOC Last Saved On: 12/15/98 4:26 PM

COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED

Page 112
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Compaq AP200 manual Solving Display Problems, 8Troubleshooting, Screen is blank