Fix Horizontal, Vertical Lines Laptop Screen Pressing on the Screen and then using screw. Today, that's not the case but the lines do appear when the angle is more acute. After downloading the Discover University there is glitchy lines all over the screen, starting the loading screen. All was ok & suddenly one day i meet Horizontal lines in bottom of macbook screen. 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 actionsâ icons to the respective corners of your MacBook Proâs screen. MacBook Pro (Retina, 15-inch, Late 2013). Configure Hot Corners. I have the mid-2011 version of the 15-inch macbook pro. Changing into window mode cures it. Show only OP | 8 Apr 2020 at 12:32 #1. Model: A1706. The fans began spinning incredibly fast and the underside of the macbook felt really hot. 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. They disappear once the laptop lid is closed for a while and then re-opened. MacBook Pro - black lines on bottom of screen... UK consumer law? This was resolved when the screen was at 40 degrees. Just yesterday I noticed the horizontal lines across the screen. Discussion in 'Apple Hardware' started by dowie, 8 Apr 2020. Just press on the LCD screen with your both the thumbs on two different places. 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. Since that problem occurred the amount of black lines increased and covers around 1 centimeter of the bottom screen. NOTE: I am able to write all the details based on my 2 year experience using macbook pro 13 inch. A few months ago, I opened iMovie for the first time in a long time. 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. I would very much appreciate if you could help me fix my MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports). Some MacBook owners have reported an issue where a distorted screen appears during startup, characterized by a series of vertical, multi-colored lines. 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. But what about fullscreen? High Sierra. 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. Then my computer screen blacked out and I had no choice but to force a shut down. MacBook Pro display problems have many potential causes, and unfortunately most of them can only be fixed by an Apple-certified technician. Since the past 3 months I have been observing horizontal flickering lines appear on my MacBook Pro 13 inch with Touch Bar (2017 model).