Blank screen (no video).
Cause | Solution |
You may have a screen blanking utility installed or energy saver features are enabled.
Press any key or click the mouse button and type your password (if set).
System ROM is corrupted; system is running in Boot Block Emergency Recovery Mode (indicated by eight beeps).
Reflash the system ROM with the latest BIOS image.
You are using a
Be sure that the monitor can accept the same horizontal scan rate as the resolution chosen.
Computer is in Sleep state.
Press the power button to resume from Sleep state.
CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data.
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, 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
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 |
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.
