Last Updated on August 11, 2022 by rabiamuzaffar
When you start your laptop and what you see is the screen of the laptop is black for a long time. At this movement, you thought that the laptop expiry reached. Now you have to replace the laptop, or you need some repairs for the laptop. You feel uncomfortable thinking that now your laptop is gone forever. But suddenly, you noticed the cooling fan of the processor is still making a noise. After hearing some noise, you feel some comfort that some portion of my laptop is working. Now, you come to a result that maybe only the laptop screen has faced the issue and all other things are all right. Congratulations! Your thinking is correct.
The other issue that you can face about dell’s laptop screen is that the dell’s laptop screen goes black randomly. I will also tell you in this article about how to solve the problem.
Now in this article, you will learn diagnostics and solution of this fault. And also learn how can you possibly fix this dell laptop black screen issue?
Causes of Dell laptop Black Screen
According to customer feedback, the Dell laptop’s black screen is a common issue. Some customer-facing permanent black screen and some are facing the randomly black screen. In a randomly black screen, you see the screen’s normal function for 5 seconds and after 5 seconds screen goes black. This black screen reverses to its normal function after some time. This process continues in the same manner.
In this case, you are facing a random laptop black screen that can disturb you more because you cannot receive any error code or message that might help in the eradication of fault.
Here are some common reasons for laptop screen blackout.
Miss matching between graphic drivers and OS
Suppose graphic derivers and the Operating Systems are not compatible with each other, then the dell laptop screen can face problems.
Outdated Display Driver
If the display drivers are outdated, then this is a widespread issue of whether laptop screens become permanently or randomly going black.
If the wire that connects the LCD screen and motherboard of the dell laptop is damaged, the laptop screen will be permanently black.
Overheating of Graphic card or Processor
Another reason for the black screen problem is that when the Graphic card or the processor gets excessive heat, then the dell laptop screen goes black at regular intervals. Due to this overheating system can also crash.
The virus is also a major cause of laptop screen blackout. Some hidden viruses or malwares can choke the dell laptop. As a result, we see only the black screen of the laptop while the laptop is running.
Faulty Power Supply
If the power supply malfunctioning or faulty, this could be a possible reason for the black screen.
Operating System Installation Issue
If an operating system like Windows 10 is not correctly installed. Then it cannot handle the dell laptop’s hardware and screen. As a result, the screen of the Dell laptop goes black.
Faulty Laptop Screen
At last, the cause of the Dell laptop black screen is that the LCD screen is expired. It usually happened when physical damage is accrued or the life of the screen had passed.
How to solve the issue “Dell laptop screen goes black but still running”?
Suppose you worried about dell’s laptop’s black screen. And stuck on the internet and not getting your required solution. In this article, you will learn the top solution for the discussed problem.
If you permanently face a black screen. It is recommended that you project the laptop’s display on an external monitor by using a VGA cable or HDMI cable. Then you will be able to perform the following solutions.
Check the power supply of Dell Laptop
The first step toward a solution is to check the power supply of the laptop. Try to switch ‘ON’ the laptop on battery or change the AC adapter of the laptop. Sometimes the adapter’s fault affects the normal function as the display of the laptop. So changing the AC adapter is a quick fix. If the Windows screen is visible, then purchase another AC adapter and replace it with the old one.
Check the Liquid Crystal Display (LCD) functionality
The next step is checking the LCD by following the steps.
Connect external display monitor by using VGA of HDMI cable.
Restart the dell laptop
See if the display on the external monitor is working correctly.
If the display is correct on the external monitor, other faults include a faulty LCD screen or damaged LCD cable. (Hardware Problem)
In this case, you need to call the after-sales service. Or need to replace the LCD screen of the laptop from the local laptop repairer.
If the external display monitor is not correct, then you need to try another solution.
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Reboot/Update outdated Graphic Driver
If you see the power LED of Dell laptop is ON and feels the processor and cooling fan is running. Then there is a possibility of a poor connection between the Display Driver and Operating System. You can use a shortcut key to restart the Display or Graphics driver by following the steps.
Switch ON your dell laptop
Press and hold Windows+ Ctrl+ Shift+ B keys simultaneously
After pressing these keys, your laptop will restart and finishes the process.
After completing the process of the Dell laptop, the black screen problem will fix.
If the problem still present, then you need to attempt further steps to resolve it.
Now press the “Windows” + “R” key to open the “Run” window.
Then type “devmgmt.msc”and click on the “ok” button
Now the “Device Manager”window will open in front of you
- In this window, find”Display Adapter” and click on it
- A drop-down menu will open now select the “Update Driver” option in this drop-down menu.
When you click on the “Update Driver” option, a new window will open. In this window, click on the “Search automatically for updated driver software” option.
If any update is required, then windows will find and install it automatically.
Now see if the problem resolve. If the issue still present, then perform the other method.
Perform a Hard reset of the dell laptop
If all the above solutions cannot solve the dell laptop black screen problem, you can perform a hard reset by following these steps.
First of all, unplug all the peripherals if attached, like printer mouse, etc.
After this, unplug the AC adapter and battery from the laptop.
Now press and hold the power key from 10 seconds (minimum) to 50 seconds (maximum).
After this laptop will be hard reset and restart. If you see any option window, select “Start windows normally.”
By doing this procedure, Dell laptop black screen issue will resolve.
I hope these methods will resolve your problem. Possible ways to solve dell’s laptop black screen or black screen randomly are discussed above. If the above solution did not fix your problem, then I recommend consulting a professional.
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