I am having the problem of horizontal lines on my LCD screen again. Here are 3 fixes that have helped other users resolve the horizontal lines on laptop screen issue. A tiny vertical line appeared after that. Can I troubleshoot anything on my laptop before I resort to screen replacement? The screen on my Asus looked like a TV with horizontal static lines. Here are the ways to fix horizontal and vertical lines on laptop screen on any laptop like HP, Lenovo, Samsung, Dell, Acer etc. When I opened it this morning, it had the black lines across the screen. Solution #2: Check Screen Resolution. for horizontal lines across the laptop screen and the screen jumps in Windows 8 issue. Not too hard to break the screen. hey guys, i have lenovo g40-45, and this morning i found my laptop screen got a thin white horizontal line on it, and when i look closer, its look like a tiny connected horizontal dots. 1) Connect an external Monitor and check if same thins happens or display is good, if display is good onexternal monitor then possible screen faulty on Laptop. You may not have to … having a laptop Hp pavillion , already one week the black colour line across horizontally is getting thicker and I just don't know how to get rid of it already tested on others monitor and it doesn't appear but only on this laptop screen help pleases, your advice is very much appreciated. hey guys, i have lenovo g40-45, and this morning i found my laptop screen got a thin white horizontal line on it, and when i look closer, its look like a tiny connected horizontal dots. (Although i couldn't get it fixed using the white screen last time. When I pull on the top left corner of my screen, though, all those problems go away and my screen becomes completely clear again. I tried troubleshooting by, updating display drivers and updating the BIOs, yet to no avail. try the below step . Laptops are generally more prone to problems pertaining to their screens than desktop computers. I was connecting my laptop to a Smart TV Screen when a horizontal green line appeared on my laptop screen. Horizontal lines are often LCD display problems with the driver chips and/or the screen got a hit on the edge breaking the fragile connections to the driver chips. If you take the screen surround off and then reconnect the screen cable and make sure it is fastened secure, this will get rid of the pink and/or green lines. Occasional horizontal lines on the laptop screen by bioshock72_ | September 12, 2019 3:26 AM PDT. If this is the case then you may need to request an RMA. LCD/LED Monitor: 1. How to fix HP laptop screen flickering and horizontal lines. You can follow the question or vote as helpful, but you cannot reply to this thread. Couple this high-tech process with the fact that your monitor is also susceptible to software-based issues and it's little wonder that you may experience the occasional display error, including unattractive horizontal lines. No prior accident in my laptop happened. Since that is the case, quite a few laptop users wake up one day to find that there are one or more vertical lines on their laptop’s screen.