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1. Windows 10 video strange after unplugging second monity how to#
2. Windows 10 video strange after unplugging second monity manual#

Make sure you check the connection at the PC and on the monitor. This is especially true for cables that don’t screw into the back of a monitor. Whether you are using VGA, DVI, HDMI or DisplayPort to connect your computer to your monitor, cables can sometimes become detached. The next easiest thing to do is to check all the cables. If none of that works, try restarting the computer by pressing the power button. Try pressing keys on the keyboard or moving the mouse. If the power is on and everything looks fine, but you’re still not getting anything on your display, the computer may have gone into standby or sleep mode and isn’t being woken up.

Windows 10 video strange after unplugging second monity manual#

You will have to reference the PC manufacturer manual to figure out what the beeps or status lights mean. The beeps can also be related to the motherboard, video card, etc.

Windows 10 video strange after unplugging second monity how to#

You can read my previous post on how to test your computer for bad memory, which can be one cause for the beeps. If the power button or one of the status lights is red or orange or if the computer beeps several times when turning on, this is indicative of an internal problem. The main thing here is to check for any warning lights or unusual beeps when you power on your computer. Now check to make sure the computer is properly turned on. Try replacing the power supply and see if that fixes the issue. If a separate monitor works fine, then it could mean the power supply is bad on the original monitor. Even with nothing connected, you should be able to bring up the monitor menu. Try connecting a different monitor if you have one. If still you have a blank screen, then this could mean there is a problem with your monitor. If the monitor is on, but nothing is showing up, try to press the menu button to bring up the built-in monitor controls. If the light is on, the monitor is on and you should see some message. Check to make sure the monitor is turned on, which is usually indicated by some kind of light on the power button itself. You’ve probably already done this, but it’s still always worth mentioning because it happens more often than you would think.