Table 8-5Solving Display Problems (continued)

Blank screen (no video).

Cause

Solution

 

 

Monitor settings in the computer are not compatible with the

1. In Control Panel, select Category from the View by

monitor.

list, then under Appearance and Personalization,

 

select Adjust screen resolution.

 

To access Control Panel in Windows 7, click Start, and

 

then select Control Panel.

 

To access Control Panel in Windows 8, from the Start

 

screen, type c, and then select Control Panel from the

 

list of applications.

 

2. Expand the Resolution box, and then use the sliding

 

control to reset the resolution.

 

 

Monitor is configured to use an input that is not active.

Use the monitor's on-screen menu controls to select the input

 

that is being driven by the system. Refer to the monitor's user

 

documentation for more information on the on-screen controls

 

and settings.

 

 

Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

 

Pre-video memory error.

1.

Reseat DIMMs. Power on the system.

 

2.

Replace DIMMs one at a time to isolate the faulty

 

 

module.

 

3.

Replace third-party memory with HP memory.

 

4.

Replace the system board.

 

 

 

Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

Pre-video graphics error.

For systems with a graphics card:

 

1.

Reseat the graphics card (if applicable). Power on the

 

 

system.

 

2.

Replace the graphics card (if applicable).

 

3.

Replace the system board.

 

For systems with integrated graphics, replace the system

 

board.

 

 

 

Solving Display Problems 159