Blank screen (no video).
Cause | Solution |
Monitor cable is plugged into the wrong connector.
Systems may have a monitor connection on both the motherboard or an
Monitor settings in the computer are not compatible with the monitor.
1.In Control Panel, select Category from the View by 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 8.1, 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. |
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Monitor is configured to use an input that is not active. | Use the monitor's |
| that is being driven by the system. Refer to the monitor's user |
| documentation for more information on the |
| and settings. |
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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 | |
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1. | Reseat DIMMs. Power on the system. | |
| 2. | Replace DIMMs one at a time to isolate the faulty module. |
| 3. | Replace |
| 4. | Replace the system board. |
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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 | |
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| |
For systems with a graphics card: | ||
| 1. | Reseat the graphics card (if applicable). Power on the |
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| 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 179