Whether you're on a laptop or a desktop PC, there are many other components that need to work simultaneously for anything to show up on the monitor. Something as simple as afaulty hdmi connector/cable or a problem with the graphics card driver can cause the monitor to freeze mid-session.
However, since the display function is quite long and complicated, there are many components that can go wrong, which can cause the monitor to freeze randomly.
This article lists some known issues that can cause random monitor resets and methods to fix this complication.
Index
Why does my monitor keep turning off and on again?
If you are on a laptop. The problem is probably with the graphics or monitor driver.
However, if you are on a desktop PC, there could be an issue with the monitor's power supply, the screen cable, poor GPU performance, or sometimes the monitor itself.
Here are some common reasons why your monitor keeps turning on and off.
- faulty cable
- damaged monitor
- A problem with the power supply
- connection lost
- faulty graphics card
- monitor overheating
- Outdated graphics/monitor driver
- red cable
- Insufficient power supply to the GPU
How to prevent a monitor from turning on and off?
Before delving into solutions, disconnect and reconnect all cables going to the monitor. This includes all cables that connect the monitor to the PC, as well as any power cords.
After reconnecting the cables, follow these steps to prevent a monitor from turning on and off.
replace wire
Any internal or external damage to the cable can cause connection issues between a monitor and a CPU. Make sure the cables are not damaged.
If you find that any part of the cable is damaged, you may need to replace the cable. Please check if the monitor works smoothly after replacing the cable.
You can also try using a different cable to connect your monitor. Sometimes a cable can suffer from internal damage. This means that there are no signs of physical damage. Therefore, if the monitor works fine with a different cable, there is a strong possibility that the old cable has suffered internal damage.
There are two cables connected to the monitor, the visual and the power cable. Visual cables are HDMI, DVI, or VGA cables. This transfers video data from the CPU to the monitor. And the other is the power cord. The power cord goes into the outlet. Make sure these two cables are not loose.
Change power settings
When a computer's power saving mode is set toBalanced, It isthe screen turns offafter a period of time when the PC remains idle. However, the display is activated as soon as you move the mouse pointer.
Follow the steps below to configure the settings so that the PC does not turn off the screen.
- Press the key Windows + R paraRun open.
- Type
powercfg.cplAopen power options - Click on the selected power planChange plan settings.
- established hereTurn off display timefor the desired quantity.
- click inSave editions.
disable screen saver
As with power saving settings, setting the screensaver to a black screen may cause the screen to turn off after some inactivity. To check this you canDisable the screensaver.
- Press the key Windows + R paraopen race.
- Type
control desktop.cpl,@screensaverAOpen screen saver settings. - Lowscreensaver, to choosenone.
- click inTo use, ThenOK.
Run the PC in Safe Mode
When the PC runs in safe mode, it restricts all unnecessary drivers and runs the PC with just a few basic drivers. It also prevents an application from running on startup. He canrun pc in safe modeto solve the problem.
If the PC runs smoothly without the screen turning on and off, the problem is most likely caused by a third-party application or corrupted drivers. Uninstall these apps and perform a driver update to fix the issue.
Check resolution and refresh rate
If the operating system is running at a certain resolution, but a full-screen application is running at a different resolution, the monitor may turn off and on again. This happens because the system cannot keep adjusting the resolution of the two screens. This will causeflashing screen.
To fix this, change the app's fullscreen resolution to the resolution the operating system is running at.
Follow the steps below to change your operating system resolution.
- Windows keyboard pressure + I paraOpen configuration.
- BecomesSystem>Show.
- Scroll down toscale and drawing.
- Here you can check the resolution Windows is currently running at.
Achange resolutionGo to your in full screen appdisplay settingsand look for a setting calledscreen resolution.Set the same resolution as the Windows screen resolution.
Depending on your GPU, you will needenable maximum performance when connectedthrough the GPU control panel. NVIDIA GPU has NVIDIA Control Panel, AMD has AMD Catalyst Control while Intel GPU has Intel Graphics Control Panel
change video card
Since the graphics card is responsible for everything related to the display,internal problems with herIt might be the reason why you are having trouble turning off your monitor. To verify this, remove the cable that connects the monitor to the GPU and connect it to the monitor connector on the motherboard.
If the monitor works normally without turning off the screen, then the problem is probably with the GPU. Try using a different GPU to see if the screen still doesn't work. If that's the case, the PSU might not be providing enough power to the GPU.
change power supply
Your system's power supply must provide enough power for all hardware components. If you don't, your computer may experience random system crashes or internal components may not function as expected.
To check the recommended performance for your system, you can refer toCoolermaster Power Supply Calculatorto check the recommended performance for your system.
Update display and monitor drivers
An updated driver communicates more efficiently with the operating system and may even affect the device's overall performance. So if aoutdated device drivercausing the problem, you should update it immediately.
- Press Windows + X and selectdevice administrator.
- ExpandDisplayadapter.
- Right click on one of the used monitors and select itatualize drivers.
- Update all device drivers listed inDisplayadapter.
- expand againsupervisedand update all device drivers.
refresh windows
sometimes aoutdated windowsmay have problems communicating with hardware components connected to the PC. This may cause some parts to malfunction. In this case, the monitor screen can be turned off and on. To fix this, try updating Windows to the latest version.
- Windows keyboard pressure + I paraopen configuration.
- Becomeswindows update(security update>windows updateforwindow 10)
- click inCheck for To updateÖinstall updates.
- Once the download and installation is complete, restart your PC.
change monitor
If none of the above solutions work and there is nothing you can do because the screen turns on and off, your monitor may be faulty. Any physical damage to the monitor or a faulty monitor on arrival could be the reason why the monitor keeps shutting down.
Try using a different monitor to verify this theory. If the second monitor works, you may need to replace the damaged monitor.
FAQs
Why does my monitor turn on and off repeatedly? ›
The most common response is that your power cable or the HDMI cable might be broken.
How do I reset my monitor? ›- Unplug the Monitor from power.
- Hold down the button on the side of the Monitor.
- While holding down the button, plug the Monitor back into power.
- Wait for the Blue LED to blink 5 times.
- Release the button.
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.
Why does my screen keep turning black? ›This can occur due to bad components, viruses or conflicting software; the exact problem can take a bit of trial and error to narrow down. Remove recently installed software or hardware. Run an up-to-date virus scan. Check the computer for symptoms of overheating: clogged/dusty vents, fan won't turn.
Why do my monitors randomly go black? ›This happens due to outdated monitor drivers, wrongly configured power settings, faulty hardware, or loosely connected cables. If you are experiencing an identical issue, then this article is going to give you a practical demonstration to fix it.
How do I force my monitor to wake up? ›To wake up a computer or the monitor from sleep, standby, or hibernate, move the mouse or press any key on the keyboard. If this does not work, press the power button to wake up the computer. NOTE: Monitors will wake up from sleep mode as soon as they detect a video signal from the computer.
How do you reset a black Screen on a monitor? ›- To wake the screen, use one of the following keyboard shortcuts: Windows logo key + P or Ctrl + Alt + Del.
- For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.
Check the power cable
If the power cord is removable from the back of the monitor, try replacing it with another power cable. If you still cannot turn on the monitor after trying another wall outlet and cable, the monitor is broken and should be replaced.
The primary reason you get no display on your PC could be damaged or loosely connected cables. Other reasons may include incorrect display configuration, faulty or problematic GPU or RAM, incorrect BIOS configuration, faulty peripheral devices, or damaged PSU (Power Supply Unit).
Why does my monitor keep going black Windows 11? ›If your PC is facing any graphics driver-related issues, this will fix the black screen on Windows 11 instantly. 1. Just press “Windows + Ctrl + Shift + B” keys simultaneously and Windows 11 will restart the graphics driver. Give your PC a minute, and the black screen should be gone on your Windows 11 PC.
Why is my monitor flickering? ›
The most common cause of a flickering monitor is a faulty power supply. Other potential causes may be due to your video card. Monitors can also start flickering if they are overclocked. If you believe that your monitor is at the end of its life, then the cause may be due to dead pixels or burn-in (image sticking).
Is black screen of death fixable? ›The Black Screen of Death is usually caused by a software glitch (or Windows Update) but can often be repaired. Black screens that occur seemingly at random are usually the result of a more serious hardware problem. This will require component repair or replacement.
Will Black Screen of Death fix itself? ›The solution: You should be patient and wait; you don't have to press anything and prevent the installation — it can only do harm. Upon completion of the process(it may take for a few hours!), the computer will restart itself and the Windows black screen of death will disappear.
What does the black screen of death? ›The black screen of death is a fatal system error displayed by some versions of the Microsoft Windows operating system after encountering a critical system error.
Why does my monitor keep going black for a few seconds? ›The display adapter will directly affect the computer display, and when your display adapter driver is outdated, incorrect or becomes incompatible, it may cause the problem that the screen goes black for a second in Windows 10. For this reason, you need to update, roll back or reinstall the display adapter driver.
Why does my monitor only stay on for a few seconds? ›if it shows for a few seconds then it shuts down and you can still see the image? that means the 12 volts going to the inverter board is not steady or the inverter board is faulty. from experience, I usually find a blown fuse on the inverter board. replace that and it should be fine.
How do you fix a monitor that has a black screen suddenly? ›- Fix connection issues with the monitor. Check the computer's video cable for any external damage. ...
- Refresh the screen via Windows key sequence. ...
- Roll back the display driver/adapter (via Safe Mode) ...
- Prompt a System Restore (Automatic Repair mode)
Check the data cable
Ensure the monitor's data transfer cable is connected correctly to the computer. It should be inserted completely and firmly in place. Older monitors use a VGA cable, but most new displays utilize a DVI or HDMI cable and port. Make sure the cable is connecting to the correct video port.
Restart the computer
Whether the black screen issue began before or after login, you should first try to restart the computer. Sometimes all it takes is a simple reboot to get the system back on track. If you can't restart the computer the normal way, try to access the power button by pressing Ctrl + Alt + Delete.
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 fix my monitor glitch? ›
Screen flickering in Windows is usually caused by display drivers. To update your display driver, you'll need to start your PC in safe mode, uninstall your current display adapter, and then check for driver updates. Start your PC in safe mode, then select and hold (or right-click) Start and select Device Manager.