Win7 Computer boot screen shows no signal how to do?

Win7 Computer boot screen shows no signal how to do? Below, small make up a detailed introduction!

1. First of all, we need to make sure that the monitor is normal, if the monitor is normal, then it is possible that the data cable is in the wrong location, because some computers are dual graphics cards, there may be errors in the situation.

2. If it is a desktop computer, we recommend that you move the host out, reconnect the data line back, these data lines may be caused by no signal causes.

3. If it is still unable to solve the problem, we need to open the chassis, and then find the graphics card pulled out, clean up the dust above, then put it up, if the time is more abundant, you can clean up the other parts of the dust, this is conducive to computer cooling.

Through the above three methods, you should be able to solve the monitor without signal fault.