If I understand you correctly, you get the same results with the on board graphics. suddenly my 23" samsung 2333 display started to flicker and give a partial display of my win screen with a lot of horizontal lines. I’ve been having a problem with my computer. If this is the case then you may need to request an RMA. I have: 1. Download and install the most current hardware drivers for your Windows 8 operating system. PART 1: Repair Vertical or Horizontal Lines On Windows 10 Monitor Screen: Quickly & Effectively! I have already tried a clean driver install as well as running some commands that I found on a windows help forum for a similar issue. One of the main reasons for computers showing vertical or horizontal lines is outdated or faulty graphics card drivers.To fix the issue instantly, we recommend our users update their device drivers with the most compatible and latest driver versions. The cable is a little expensive(30$) If you have a wireless router, Google Chrome has a wireless Toggle. Blue screen appeared stating there was probably with my PC and it needed to restart. LCD/LED Monitor: 1. I think you want to focus your attention on the section Solid horizontal or vertical red, green, or blue line. I guess it's time to try a different monitor. If there are vertical or horizontal lines on the screen it could mean that the refresh rate on your display needs to be changed. I hook my old Toshiba up to my TV with a HDMI cord. It’s most likely Artifacting if it’s caused by the video card, but you should try a different port on the monitor or the PC. Restored Windows 10 … I have changed the VGA cable and Monitor but it … This could also be indicator of an issue with the panel of the display. Re: Horizontal Lines on Monitor Hi Shano! That works great. Please can someone help me, my PC displays vertical lines on since the most recent windows 10 update. Windows 10 Red Horizontal Lines on screen by natk31 Apr 26, 2020 5:01PM PDT. FB: https://www.facebook.com/shaakzscatiav5forum Contact me for personal One day CATIA training at 100$, Do you like my works? After that happened the horizontal lines have not gone away. I am recommending that you review and follow the steps set out in the HP Support document: Display Quality Issues. Discussion Horizontal Lines on Acer monitor Author Date within 1 day 3 days 1 week 2 weeks 1 month 2 months 6 months 1 year of Examples: Monday, today, last week, Mar 26, 3/26/04 see image. I recently upgraded from windows 8.1 to 10 and now after about an hour of usage each time I get white lines across my screen about 2/3 of the way down. Enter your computer's Settings menu, accessible by swiping from the right edge of the screen or hovering your mouse at the right edge, and choose "Change PC settings." I understand a horzontal line appeared on your display yesterday and you are requiring assistance in getting rid of it. Modern computer monitors, typically LCD displays, offer high-definition images and a sleek form factor. Check the video cables. It is a gaming PC that I built my self. Without the latest drivers, your LCD monitor may produce unwanted lines.