When opening a PC, there are times when the monitor does not show anything. This may happen when you start up your Windows 7. But in this case, what is the probable cause? What can you do to fix this?
Resolving the Issue
The first thing to do is to check the plugs, cable and connections of your computer especially the parts that are connected to the monitor. You should try disconnecting and reconnecting the cables and plugs in the monitor. Moreover, if you have alternate connection to you monitor such as that of HDMI, DVI or VGA, try to connect the monitor to each of this connection to make sure if the problem is with the connection or not. Moreover the problem as discussed earlier is usually caused by the video adapter of your PC. To avoid problem as such, be sure to turn of the computer power button before plugging or unplugging.
A black screen may also appear if you are using multiple monitors. To make sure that this is not the reason for the problem that occurred, try first to use a single monitor. If it works, this means that having two monitors create a problem to the display function of your PC. Simply stick to using a single monitor.
There are actually three processes that you can follow to know where the problem lies and to avoid having this problem. The first process is to enable low-resolution video then restarting the video adapter driver. The second option is to start the computer in the safe mode and disable the video adapter. And the last would be to start the computer in the safe mode and running the System Restore. How would you be able to do these things?
In enabling your low-resolution video and updating your video adapter drive, restart your computer first. The next thing to do is to put your operating system into safe mode. Press F8 then the advanced boot options screen will show. Choose the Enable Low-resolution video (640 x 480). Log on to the computer and find out if the problem is with the video adapter or in somewhere else. You’ll be able to know if the problem is with the adapter and if you will be able to see the desktop.
With the second option, the first step is to restart the computer again. Then press F8 to access the Advanced Boot Options. Choose the safe mode in the advanced boot options and press enter. After this, log in to your account or the administrator. The words safe mode will appear in your monitor. Click the start button, go to control panel. Click the System and Security, choose System then Device Manager. You will see a list of hardware and you should choose Display Adapters. Disable it by right-clicking and choosing disable. The last step would be to restart the PC normally. Seeing the desktop after this process would mean that the problem is with the adapter.
The last option is simple. Follow the steps in the second option until in the using safe mode in the Advanced Boot Options. Click Start button, then search for the system restore in the search box. Click System Restore after searching it. Just click nest until you end up in the Finish button. Then restart your computer. Choose the option that you like most or you can do all of them.