Computer Stopped Displaying on Monitor Then Started Again
No brandish or black screen on a computer monitor
Updated: 12/thirty/2021 by Computer Hope
If your estimator monitor displays a blackness screen and no picture when you turn on your computer, the following steps may help you troubleshoot or repair the problem.
Monitor is non on
Information technology may seem obvious, but first, brand sure the monitor is turned on. If you lot don't see a power LED (blue, greenish, or orange calorie-free) on the monitor's front or bottom, printing the ability push again. If no light comes on after several attempts, proceed to the side by side department.
Estimator is comatose
If you stepped away from the computer for a bit and returned to a blackness screen, the calculator is likely asleep. Try moving your mouse, clicking the mouse buttons, or pressing whatever key (eastward.grand., spacebar) to wake it upwards. If none of those actions work, press the power button.
Loose or improper connections
Another reason for a black screen is, the computer isn't communicating with the monitor properly from loose or improper cablevision connections. The following steps help you ensure the monitor is continued correctly to the computer.
Check the data cable
Ensure the monitor's information transfer cablevision is connected correctly to the figurer. It should be inserted completely and firmly in place. Older monitors employ a VGA cable, just virtually new displays utilize a DVI or HDMI cablevision and port.
Tip
Make certain the cable is connecting to the correct video port. Nigh new video cards have multiple connections and your motherboard may besides have its own connexion.
Cheque the power cable
Adjacent, verify the monitor has power by looking for a bluish, green, or orangish calorie-free. This low-cal is institute on the forepart or the bottom of the monitor'south bezel.
If y'all see no lights on the monitor, brand sure it is connected to a working wall outlet. If the power cord is removable from the back of the monitor, try replacing it with some other power cable. If y'all however cannot turn on the monitor after trying another wall outlet and cablevision, the monitor is broken and should be replaced.
Check the LED status
If the monitor condition light is orange or flashing, verify the monitor is not in Standby mode, by moving the mouse or pressing the Esc. If this doesn't assist, reconnect the data cablevision to the computer and back of the monitor, and then restart your computer.
Attempt a different cable
If your monitor is getting ability, only no prototype appears, the data cable may be the upshot. Endeavour using a different DVI, HDMI, or DisplayPort cablevision with your monitor.
Plough up the brightness and contrast
If yous can view your monitor's settings menu fifty-fifty though the screen is blank, y'all likely need to turn up the brightness and dissimilarity.
Computer needs to be reboot
If the computer was on when the screen went blackness, something may have happened that requires the calculator to exist reboot. To reboot a reckoner when yous cannot see anything press and hold the power button until the computer turns off. Y'all can tell a reckoner is off when it has no lights and the fans are non spinning. Once the computer is off look a few seconds and then turn the calculator back on by pressing the ability button.
No POST
If the computer doesn't pass Post, information technology won't turn on or exist responsive, and your monitor remains blackness. If you hear beeping when you turn on your estimator or run across strange lights, run through the POST troubleshooting steps to determine the event.
Hardware issue
If you have followed the recommendations above and still no picture appears, your computer may have either a bad monitor, video card (graphics menu), or motherboard. The best method of determining this is to try the suggestions below.
Infringe someone else'south computer monitor and connect it to your reckoner
If another monitor works on your computer, it'south rubber to assume the non-working monitor is bad and should be replaced. While it may be possible to have the monitor serviced, it is often cheaper and easier to purchase a new one.
Disconnect your monitor and connect it to another estimator
If your monitor works on another computer, the video card is bad. Endeavor removing video card from the affected calculator and installing it in another computer. If it does not work in the other figurer, the video bill of fare is most probable bad and needs to exist replaced.
If your monitor and video carte du jour work with another computer, your motherboard probably has an issue. You lot can endeavor to troubleshoot motherboard problems using the link below. If you determine the motherboard is bad, or you cannot successfully run whatsoever tests, we propose replacing the motherboard to fix the display problem.
Source: https://www.computerhope.com/issues/ch000241.htm
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