Macbook Pro Retina flickering horizontal lines Hi there, recently I have had a problem with my Macbook Pro Retina and have taken it into a non apple store to see if I could get it fixed and the people there said it was something to do with a component in the motherboard. UPDATE: issues seem to have been resolved in MacOS Catalina, update ur computer. All was ok & suddenly one day i meet Horizontal lines in bottom of macbook screen. In other cases, the flicker manifests as random multicolor lines. Old Macs. NOTE: I am able to write all the details based on my 2 year experience using macbook pro 13 inch. my Girlfriends Macbook Pro 15” (2017) started having the same issues yesterday. When i bring my iPhone near my MacBook pro screen, the screen flickers with horizontal lines. Screen flickering with horizontal lines on my MacbookPro 13 inch 2015. If I apply pressure with my hand to the bottom of the laptop underneath the area of the left option key, it magically goes away. All the devices are up to date with the latest software. New 2019 MacBook Pro Screen Flicker / Flashes Horizontal Black Line (Is this hardware or software issue?) I just updated the iPad overnight and I’m wondering if it’s a software issue. I noticed that the flickering is not happening when I keep the device at aeroplane mode. Quite often the lines are fairly broad and sometimes are just faded strips of what was being displayed right before the flickering started. I have tested the flickering with iPhone 11 Pro, iPhone XS and iPhone XS Max. On a MacBook Air, the issue manifests as a black and white noisy screen when a DVI or VGA display is plugged via a standard adapter. On a newer MacBook Pro, screen flickering 2018 Macbook Pro 10.14 isn't too dissimilar. Could someone help me with it? Since the past 3 months I have been observing horizontal flickering lines appear on my MacBook Pro 13 inch with Touch Bar (2017 model). Posted by 4 hours ago. Its makes watching a video or gaming frustrating. Here is the situation when Horizontal lines came in my case: I heavily fire below GITHUB commands in mac terminal while working on of my project. These lines generate at the bottom of the screen after 2-3 hrs of usage and keep increasing with further usage. Implementing a combination of fixes, such as clearing out caches and system junk, or running maintenance scripts, and switching it off and on again (or updating the macOS) should solve this annoying problem quickly. They disappear once the laptop lid is closed for a while and then re-opened. My first thought is LCD damage, but there’s been no drops or damage whatsoever. I did find a temporary fix doing a google search. The screen/display flickers with green symmetrical lines at random times. MacBook Pro Unibody, 2.53 GHz Intel Core i5, 4GB, 10.6.4 Feb 10, 2009 #1 ... black and white lines flicker horizontally and randomly across the screen. ... Macbook pro retina screen lines - YouTube. 1. Close. They so up almost symmetrical around images. Additiononal to that there’s a noticable noise coming out of the body of the compter - from the hinge, on the left hand side. I spoke to the apple customer care and sent my laptop to the apple service center twice, first time they kept it at the service center for 2 days and then rebooted it and sent it back saying the problem was fixed. So I just bought the new 2019 base model MacBook Pro 2 weeks ago. Could someone help me with it? Good Morning, I’m having an issue with my iPad Pro where I get 4 horizontal lines flickering on the screen. Once complete, restart your Mac for good measure and see whether your MacBook screen flickering has stopped. Screen flickering with horizontal lines on my MacbookPro 13 inch 2015. She flipped the display open and suddenly horizontal flickering lines and a big green bar on the right hand side of the screen appeared.