Solving display problems

These suggestions apply to monitors connected to desktop and tower configurations, and to external monitors connected to all-in-one configurations.

Table 4-3Display problems

Problem

Cause

Solution

Blank screen (no video).

The cable connections are not

Verify the cable connections from the monitor to the

correct.

computer and to a working electrical outlet.

 

 

The monitor is off.

Turn the monitor on (LED is on). You might need to refer to

 

the monitor manual for an explanation of LED signals.

 

 

Screen blanking utility installed

Press a key or the mouse button and, if set, enter your

or energy saver features

password.

enabled.

 

 

 

System ROM is bad; system is

Reflash the ROM using a SoftPaq.

running in FailSafe Boot Block

 

mode (indicated by 8 beeps).

 

Fixed-sync monitor does not

Verify that the monitor can accept the same horizontal

sync at the resolution

scan rate as the resolution specified.

specified.

 

 

 

Computer is in Hibernate

Press the power button to resume from Hibernate mode.

mode.

 

Workstation monitor settings are not compatible with the monitor.

1.When you see Press F8 in the bottom-right corner of the screen, restart the computer and press F8 during 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.

The display works properly during the POST but goes blank when the operating system starts.

The display settings in the operating system are incompatible with your graphics card and monitor.

1.For Windows, restart your computer in VGA mode.

2.After the operating system starts, change the display settings to match those supported by your graphics card and monitor.

3.Refer to your operating system and graphics card documentation for information about changing display settings.

Troubleshooting scenarios and solutions

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HP Z420 D3J34UT#ABA, Z220 F1J90UAABA, B2B94UT B2B94UT#ABA, B5P07UT B5P07UT#ABA Solving display problems, 3Display problems