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Vertical Lines on Macbook Pro Screen

subaiku

macrumors member
Original poster
Jul 28, 2013
52
4
Hi guys, couple of days ago some vertical lines started appearing on the screen of my mid 2009 17" Macbook Pro. It doesn't show up on screen captures and it doesn't appear on startup. After a while being on though it will appear. I've tried putting the Macbook to sleep which solves it temporarily, then after maybe 10 minutes the lines reappear again.

Any idea what's going on?
 

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Audit13

macrumors 603
Apr 19, 2017
5,806
1,501
Toronto, Ontario, Canada
If it doesn't show up on a screen capture, could be a loose connection or a screen defect. Does it change if the screen is moved toward the open or close position?
 

subaiku

macrumors member
Original poster
Jul 28, 2013
52
4
If it doesn't show up on a screen capture, could be a loose connection or a screen defect. Does it change if the screen is moved toward the open or close position?

No, it doesn't change when I move the screen, I've also tried pressing the screen near where the lines appear, no change as well.
[doublepost=1551239271][/doublepost]
Likely. Especially since it has to heat up to show.

How does one go about fixing this then? Is it at all possible to replace the GPU? :p
 

enricofra

macrumors newbie
Mar 27, 2014
2
0
First of all let me say that your final test should be to connect an external monitor. If the external display shows the same issue, it's definitely the GPU, if not, it could be an internal connector and could be substituted by a technician.

If it's the GPU... well, unfortunately, GPU cannot be substituted, but it can be repaired by a lab who can do a process called "reflow". The process is expensive (in Italy where I live it's around 250€) and not final since the GPU will break again. Yes, bad news.
For what I understood (I work as a freelance Mac software technician, so electronic is not exactly my topic) the reason behind this issue is that the GPU in your mac has got a faulty component that during the years has deteriorated for the heat, creating micro-fractures in the GPU circuitry. When the Mac is cold those fractures remain dormant but as soon as it heats up, they start to open up and show weird things on your display (and you're lucky, I've seen worse cases: half of the display completely black, Macs rebooting every few minutes, and else)
The reflow process closes those fractures but does not rejuvenate the material which will tend to break again with heat. It could take months, or years if you don't use the Mac every day, but it will break again.
If you decide to repair it, you can make it last longer using a free utility called Macsfan Controller (google it) and set your fans to go faster than the default Apple setting. Also, you should avoid doing on this mac intensive tasks like gaming or video production that could raise the heat level for an extended period of time.
Interesting info, talking with a PC hardware guy I found out that on Windows they had the same problem with Nvidia GPUs during the period 2008-2012. Not surprisingly, this is the GPU brand that Apple mounted in the years that faulty Macs have been produced. I could be wrong but I don't think that after that Apple has ever bought GPUs from Nvidia again.
 
Last edited:

leman

macrumors G5
Oct 14, 2008
12,076
6,981
This looks like video memory corruption to me. Your laptop is 10 years old now, which is why I think it has earned a honorable retirement :) Not many laptop live that long.
 

pt-tiagosantos

macrumors newbie
Aug 13, 2015
3
0
Hi guys, couple of days ago some vertical lines started appearing on the screen of my mid 2009 17" Macbook Pro. It doesn't show up on screen captures and it doesn't appear on startup. After a while being on though it will appear. I've tried putting the Macbook to sleep which solves it temporarily, then after maybe 10 minutes the lines reappear again.

Any idea what's going on?

I've been there. It is the display. Time for a replacement. GPU issues (also been there) don't affect a particular section of the display. To prevent GPU issues try to make maintenance to thermal connections and put new thermal paste.
 

subaiku

macrumors member
Original poster
Jul 28, 2013
52
4
This looks like video memory corruption to me. Your laptop is 10 years old now, which is why I think it has earned a honorable retirement :) Not many laptop live that long.

Hahaaaa... yes, this baby has served me well :) But I think I can still get some life out of it. Thanks for all the replies guys.

So anybody know where I can get a matt screen replacement? ;p Other than eBay of course.
 
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nehash0107

macrumors newbie
Dec 5, 2019
3
0
I am also facing exactly same issue with macbook 2017 touchbar model (13in).

Model :- MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports)

now after 3 month of struggle, only solution is screen replace. Can anybody suggest where i can purchase this screen ?

Service center cost so much of money... please suggest!!!!!
 

ScreenSavers

macrumors 68000
Feb 26, 2016
1,787
1,096
Bloomingdale, GA
I am also facing exactly same issue with macbook 2017 touchbar model (13in).

Model :- MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports)

now after 3 month of struggle, only solution is screen replace. Can anybody suggest where i can purchase this screen ?

Service center cost so much of money... please suggest!!!!!

Look up Flexgate.
 

nehash0107

macrumors newbie
Dec 5, 2019
3
0
F141F4DA-A1E0-4A27-992E-84455B6DFC94-2.png



this is not flexgate!!!!! i think .. correct me.

I tried connecting this to external monitor too and there are no line on external monitor,
then i tried taking screenshot and that is also good.
 

nehash0107

macrumors newbie
Dec 5, 2019
3
0
Might be a bad LCD them. Does it change as you open and close the lid? If not it’s probably a bad LCD.
it appears whenever i open LID and it is off not there black screen.

Is there any other screen replacement program going on? if not so,can you please help me with what is best option for me ? i don't want to spend much for this.
 

jerryk

macrumors 603
Nov 3, 2011
6,244
3,195
SF Bay Area
it appears whenever i open LID and it is off not there black screen.

Is there any other screen replacement program going on? if not so,can you please help me with what is best option for me ? i don't want to spend much for this.

Take it to the Apple Store. They have been pretty open to fixing any video issues on 2016-2018 MBPs.
 
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