How To Repair Motherboard No Display Problem

No display or black screen on a computer monitor

Updated: 12/30/2021 by Computer Promise

If your computer monitor displays a black screen and no picture when you lot plough on your computer, the post-obit steps may aid yous troubleshoot or repair the problem.

Monitor is not on

Information technology may seem obvious, but kickoff, brand sure the monitor is turned on. If you lot don't run into a power LED (bluish, light-green, or orange light) on the monitor's front or bottom, press the power button once again. If no light comes on after several attempts, proceed to the next department.

How to turn on a reckoner monitor or another display.

Calculator is comatose

If y'all stepped abroad from the computer for a fleck and returned to a black screen, the computer is likely asleep. Try moving your mouse, clicking the mouse buttons, or pressing whatsoever key (due east.g., spacebar) to wake it upwards. If none of those deportment work, press the ability button.

Loose or improper connections

Another reason for a black screen is, the estimator isn't communicating with the monitor properly from loose or improper cable connections. The following steps help yous ensure the monitor is connected correctly to the computer.

Check the data cable

Ensure the monitor's data transfer cablevision is continued correctly to the computer. It should be inserted completely and firmly in identify. Older monitors employ a VGA cable, but well-nigh new displays utilize a DVI or HDMI cable and port.

Tip

Make sure the cablevision is connecting to the correct video port. Most new video cards have multiple connections and your motherboard may also have its own connection.

How to connect a monitor to a calculator.

Check the power cable

Side by side, verify the monitor has power by looking for a blue, green, or orange lite. This lite is found on the front or the lesser of the monitor's bezel.

If you see no lights on the monitor, make certain information technology is connected to a working wall outlet. If the power cord is removable from the back of the monitor, try replacing it with another power cablevision. If you however cannot turn on the monitor after trying some other wall outlet and cable, the monitor is cleaved and should be replaced.

Check the LED condition

If the monitor status 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 help, reconnect the data cable to the reckoner and dorsum of the monitor, then restart your computer.

Endeavor a unlike cable

If your monitor is getting power, but no prototype appears, the data cable may be the issue. Try using a different DVI, HDMI, or DisplayPort cable with your monitor.

Turn upwards the brightness and contrast

If you lot can view your monitor's settings menu even though the screen is blank, y'all probable need to plough upwards the effulgence and contrast.

How practice I suit my brightness or contrast on my laptop?

Computer needs to exist reboot

If the estimator was on when the screen went black, something may have happened that requires the computer to be reboot. To reboot a computer when you cannot see anything press and hold the power button until the computer turns off. You can tell a computer is off when it has no lights and the fans are not spinning. Once the computer is off look a few seconds and so turn the computer back on by pressing the ability button.

No POST

If the figurer doesn't pass POST, it won't turn on or be responsive, and your monitor remains black. If you lot hear beeping when y'all turn on your figurer or see foreign lights, run through the POST troubleshooting steps to determine the result.

Postal service troubleshooting steps.

Hardware issue

If you lot have followed the recommendations higher up and nevertheless no pic appears, your computer may have either a bad monitor, video card (graphics card), or motherboard. The best method of determining this is to endeavour the suggestions beneath.

Borrow someone else's computer monitor and connect information technology to your computer

If another monitor works on your computer, it's prophylactic to assume the not-working monitor is bad and should be replaced. While information technology may be possible to accept the monitor serviced, it is often cheaper and easier to purchase a new one.

Disconnect your monitor and connect information technology to another calculator

If your monitor works on another reckoner, the video bill of fare is bad. Try removing video card from the affected computer and installing it in some other computer. If information technology does non work in the other computer, the video bill of fare is near likely bad and needs to be replaced.

My video carte isn't working.

If your monitor and video carte du jour work with another computer, your motherboard probably has an issue. You lot tin attempt to troubleshoot motherboard problems using the link below. If you decide the motherboard is bad, or yous cannot successfully run any tests, nosotros suggest replacing the motherboard to fix the display problem.

How to exam a calculator motherboard and CPU for failures.