Quick Answer: Why Does My Monitor Say No Signal When Computer Is On?

Why is my monitor not displaying?

If the new monitor works, the original monitor or its cables are faulty.

Try connecting the monitor with a different video cable.

If the monitor still does not work, replace the monitor power cable.

Replace or service the monitor if it still does not turn on..

Can RAM cause no signal?

Commonly 90% no display fault comes just because of a faulty RAM and in case if your RAM got dead, then there is nothing other than a new RAM stick can start your PC. In case, if you have two RAM Stick installed in your computer then you can try to remove one of them and then Turn ON your computer.

How do I know if my RAM is faulty?

How to Test RAM With Windows Memory Diagnostic ToolSearch for “Windows Memory Diagnostic” in your start menu, and run the application. … Select “Restart now and check for problems.” Windows will automatically restart, run the test and reboot back into Windows. … Once restarted, wait for the result message.

How can I fix my RAM problem?

Try testing each memory module in each of the memory slots to find if one of the slots is faulty. To fix a faulty slot you would need to replace your motherboard. When replacing a module, make sure the indention on the bottom is lined up correctly with the slot and then press it in until you hear the levers snap.

What do you do when your monitor says no input signal?

The monitor displays a No Input Signal message.Verify that the monitor cable is securely connected to both the monitor and the video (VGA or DVI) connectors on the computer. … If the monitor has more than one input setting, switch the inputs on the monitor.Reset the computers BIOS to the default values.Connect the monitor to a different computer.

Can wrong RAM damage motherboard?

Yes it’s possible if you used the wrong RAM with a Core i7 setup. At least the 1366-pin CPUs require RAM at 1.5v or lower (slightly higher is usually OK if you have a good motherboard), but much higher than that could fry the CPU.

How do I fix my monitor display?

Attach the monitor to a different computer. If the monitor still doesn’t work, replace the monitor’s cable….Be sure the connection is secure.Reinstall the video card drivers. … Right-click a blank area of your Desktop. … Determine whether the problem is caused by electrical interference.

Why is my computer screen blank?

We’ll look at some things that can cause a black or blank screen: Connection problems with your monitor or screen. Display adapter driver update issues. Issues with recent system updates or installations.

How do I reset my monitor?

How to reset the LCD monitor to the default settings.On the front of the monitor, press the MENU button.In the MENU window, press the UP ARROW or DOWN ARROW buttons to select the RESET icon.Press the OK button.In the RESET window, press the UP ARROW or DOWN ARROW buttons to select either OK or ALL RESET.Press the OK button.Press the MENU button.