Try the quick fixes outlined in this article first to resolve the issue. Seeing horizontal or vertical lines on MacBook screen doesn’t necessarily mean something is seriously wrong. The last one allows you to run these scripts with a single click. It has many modules to keep your Mac junk-free, including a dedicated Maintenance module. The easiest way to run maintenance scripts is to use an app designed for the job.

Running them by hand may fix the problem of lines on your screen - only if it’s a software problem causing it. However, there is a high probability that they do not run as often as they should. Maintenance scripts usually run automatically on your Mac and clean up things like system logs and temporary files. If the temperature in the room you’re in is too high or you hear Mac’s fans blowing hard, shut it down and let it cool for a while before booting it back up. Restarting your Mac may be the easiest fix to solve such problems. Have you tried this already? If not, do it.

To help you with that, I’ve made a list of easy-to-follow tips for you to check out. Also, it could be the socket on your Mac, the monitor, or issues with the external graphics card.īefore making an appointment with Apple Genius, try fixing lines on your Mac’s screen yourself. So, in addition to the causes outlined for MacBooks, the problem could also be caused by the external display or cable connecting Mac to the display. Why are there lines on my Mac mini, Mac Pro, or Mac Studio screen?Īll of the Macs listed above use external displays. The causes of lines appearing on your iMac are identical to those described above for MacBook. Long story short, the same goes for the iMac. Software issues could also be the cause of this problem.

The cable connecting the graphics chipset to the screen is damaged.

However, it’s unlikely to result in horizontal lines on your MacBook screen or vertical lines. It usually happens when an LCD screen displays the same image for a long time.

Damaged screen possibly caused by the MacBook being dropped.

Why are there lines on my MacBook screen? We’ll cover the most likely causes and how to fix them in this article. But it can also be a simple software issue that you can quickly fix yourself. Yes, it could be a complex hardware issue that only Apple Genius or an authorized Apple service provider can fix. Even though it might look bad, it doesn’t necessarily mean that the problem is that serious.

Imagine starting your Mac and seeing horizontal or vertical lines on the screen. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here’s a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.

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