MacBook Pro (Retina, 15-inch, Late 2013). Just yesterday I noticed the horizontal lines across the screen. I bought a 2017 MacBook Pro in October of 2017 and around a month ago (April 2019) I encountered a problem where a black horizontal line appeared on the bottom of my display. They disappear once the laptop lid is closed for a while and then re-opened. Show only OP | 8 Apr 2020 at 12:32 #1. But what about fullscreen? I have the mid-2011 version of the 15-inch macbook pro. MacBook Pro - black lines on bottom of screen... UK consumer law? Since the past 3 months I have been observing horizontal flickering lines appear on my MacBook Pro 13 inch with Touch Bar (2017 model). 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. Changing into window mode cures it. Some MacBook owners have reported an issue where a distorted screen appears during startup, characterized by a series of vertical, multi-colored lines. After downloading the Discover University there is glitchy lines all over the screen, starting the loading screen. However, if you have horizontal lines on your screen, you may be able to adjust the angle of the screen to temporarily resolve the problem. High Sierra. All was ok & suddenly one day i meet Horizontal lines in bottom of macbook screen. MacBook Pro display problems have many potential causes, and unfortunately most of them can only be fixed by an Apple-certified technician. Click the Screen Saver tab on the Desktop & Screen Saver window, click the Hot Corners button from the bottom-right corner, use the available drop-down lists to select your preferred options, and click OK.This adds your chosen actions’ icons to the respective corners of your MacBook Pro’s screen. Since that problem occurred the amount of black lines increased and covers around 1 centimeter of the bottom screen. A few months ago, I opened iMovie for the first time in a long time. I would very much appreciate if you could help me fix my MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports). Place one thumb on the left side and place the other one on a little bit of the right side and then press the thumbs of the screen. This solution has worked for many users. These lines generate at the bottom of the screen after 2-3 hrs of usage and keep increasing with further usage. Horizontal lines at high temperature (Macbook Pro Touchbar 13" 2016) Discussion in 'MacBook Pro' started by anchorite, Oct 21, 2018. Just press on the LCD screen with your both the thumbs on two different places. Then my computer screen blacked out and I had no choice but to force a shut down. Configure Hot Corners. The fans began spinning incredibly fast and the underside of the macbook felt really hot. NOTE: I am able to write all the details based on my 2 year experience using macbook pro 13 inch. Today, that's not the case but the lines do appear when the angle is more acute. This was resolved when the screen was at 40 degrees. Model: A1706. Fix Horizontal, Vertical Lines Laptop Screen Pressing on the Screen and then using screw. MacBook Pro :: 15 Inch Retina - Horizontal Lines In The Middle And Bottom Of Screen Dec 6, 2014 I have a 2 month old rMBP Mid 2014 and i am experiencing horizontal lines in the middle and bottom of the screen. Discussion in 'Apple Hardware' started by dowie, 8 Apr 2020.