Now, power the monitor on to see if it comes on. Otherwise, I wouldn't be able to plug the cable in. I use these on my 55' LED TVs that useĮxtremely thick HDMI cables. Space and/or if the cable is too thick to be bent properly (in order to make theĬonnection), you might want to consider using an Note that HDMI cables cannot be screwed in. Now, ensure that the cable is screwed into both ends. Follow the cable all the way to the computer and note where it is plugged in. To do so: go to the back of the monitor and locate the other big (usually black) cable - it will be either a It runs from the back of the computer to the monitor, so you will need to check connections at both ends this time. The monitor display cable is the cable that delivers the picture from the computer to the LCD display.

The power cord is pushed in all the way and the connection is secure. If it is not secure, the monitor simply won't turn on (indicating no power led in the front of the monitor), or it may cause the monitor to short out. The monitor power cord goes from the power outlet to the monitor. To get started, turn the monitor around to reveal its backside, taking note of the the cables running to it. The first thing to do is to ensure that the monitor power cord and the monitor display cable are securely connected.

Reset Power Management Options and Disable the Screen Saver.

Ensure the Monitor Cables are Not Damaged.

Review your DVI and HDMI Cable Configuration.

Here is a summary of some tests you can try to figure out what might be

The best way to resolve this problem is through process of elimination as such, I will go through the list of things you can do to help determine why the monitor keeps going black or turning off sporadically.

There are many reasons why a monitor keeps turning off, resulting in a blank display. Any ideas why my monitor keeps turning off? ' Normally the power light is green when it is powered on and working properly. Sometimes I have to power it on and off 20 times before the monitor will work properly, and some days, my monitor won't turn on at all! When this happens, my monitor power light stays yellow as if the monitor is sleeping or in standby mode. It flashes on and then off after a few seconds, then it goes to aīlack / blank screen.

Second monitor imac keeps freezing