How to fix a Black Screen with Horizontal Dotted Lines | How to fix a black screen glitch in windows 10 / 11

While installing windows 11 windows 10 or any of the windows versions from a bootable USB bootable drive. If a black screen with horizontal dotted lines appears on your screen as shown in the above image. So, don’t worry, we can easily fix it.

There are a lot of reasons for the dotted line. I will tell you the several steps by which you can check and fix the screen problem on your computer or its monitor. 

What are the things you should do so that the dotted lines disappear from the computer or computer monitor, and what are the reasons for the dotted lines? I will tell you everything in this guide.

How to fix a Black Screen with Horizontal Dotted Lines

• First of all, format the USB drive which you have made bootable with Rufus or any other software.

• Download and install the power ISO (Download link provided below).

• Now run the Power ISO software as administrator.

• Once the Power ISO interface will open then go to tools and click on create bootable USB Drive.

• Then a new window will pop up, click on the source folder and select the Windows ISO file.

• Write method always let it be as USB-HDD Selected and click on start. Then the warning window will pop up, simply click on ok.

• The process will start and it will take 10-15 minutes. So let it be complete.

• Once the process gets completed, click on ok & close the power ISO. Now your bootable USB drive has been created.

How to install windows 11 / windows 10 without getting a Black Screen with Horizontal Dotted Lines error

• Now restart your Laptop / PC without ejecting the bootable USB drive.

• Go to the boot manager option and select the USB drive and hit enter.

• Now you will see that dotted lines or dotted rectangular which was the error are no longer there.

• Now you can easily install Windows 11 / Windows 10. And probably your dotted lines and screen flickering issue will be solved.

• You can see the video also below. If your problem is still not solved then try the one-by-one below methods.

Reason for Getting Black Screen with Horizontal Dotted Lines Error While Installing Windows 11,10

• This type of error usually comes, If you make a USB bootable drive from the Rufus software and while creating a USB bootable drive some unknown error occurs due to which a black screen dotted line error appears.

• If the cable is damaged, then it also causes the error of the dotted line, so you can fix it by changing the cable.

• The cable is connected to the motherboard and if there will be loose connection or dust, then it also causes the error of the dotted line, so remove the cable, clean it and connect it again.

• Turn your laptop or PC monitor off and on again, this is a very basic fix but sometimes it may solve the problem of screen flickering and glitches, such as horizontal and vertical dotted lines.

• If possible, try connecting another monitor, so that you will be able to know whether the dotted lines are coming due to a computer screen problem or due to the computer itself.

• Disconnect the monitor from the computer keep the power on only for the monitor, and see if there are any dotted lines or flickering on the screen. If you see any kind of distortion, it means that there is a problem with your monitor.

• If you are using a removable keyboard, Remove the keyboard from the computer and wait 5 seconds by detaching and after that reattach the keyboard.

• If your laptop screen has a dotted lines error then turn off the laptop screen, wait for 5 seconds and turn it back on, and if the dotted lines still appear then there may be a wiring problem. For this, disconnect and remove the laptop screen’s wire, clean it, and connect it again. If still the problem is not solved then your laptop screen will have to be changed.

• The problem of dotted lines also comes due to laptop overheating, like if you use a laptop on the bed, which has blankets or any other soft clothes and the air cannot pass properly, then it gets overheated.

• Change the refresh rate settings, For windows 10, maybe this can help to solve the problem of screen flickering and dotted lines. For this, open the control panel then click on display then click on screen resolution then select advanced display and select the monitor tab then select new refresh rate from the drop-down. However, the refresh rate should be the highest But you are facing the problem of dotted lines or screen flickering, a low refresh rate may cause headaches and other problems.

• Change the refresh rate settings, For windows 11, Go to setting (WIN+I), then go to display and scroll down then select the advanced display and choose a refresh rate.

• Update your laptop/computer’s Windows operating system, old software may conflict with the latest hardware, which can also lead to dotted lines or flickering.

• Check whether the driver is up to date or not, if not, then update your device driver

• Contact your computer manufacturer for support and ask them about replacement and repair.

• If none of the methods work then you will need to upgrade your computer or computer screen.

✅Download Power ISO

How to fix a Black Screen with Horizontal Dotted Lines video

Conclusion

That’s it, guys. I hope this guide for the screen dotted lines problem was helpful to you. And assuming that your problem has been solved. For further queries, please comment below.

FAQ# Frequently asked question