"Snowy" static screen Mid 2012 MacBook Pro 13" crash!

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2012年中 MacBook Pro 13" 一体化机

发布于 2012 年 6 月, 型号 A1278. Intel 处理器，支持 Turbo Boost, 最多 512 MB DDR5 显存

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brysonkuan @brysonkuan

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"Snowy" static screen Mid 2012 MacBook Pro 13" crash!

Screen will completely turn snowy static and will not come back.

If I leave it and not touch anything the system will reboot. Some people have posted a similar issue for a High Sierra bug but this screen does not happen only on boot but persists until reboot.

Please let me know if anyone has a solution to this or knows what I need to fix.

Mid 2012 13” MacBook Pro running OS Mojave 16 GB RAM and Samsung 850 EVO SSD.

I’ve reset PRAM, SMC, booted in safe mode, recovery mode, internet recovery mode, repaired disk in Disk Utility and in recovery mode, opened up the back and checked the RAM, checked the display through HDMI to external monitor, even pulled out the SSD and booted from an external enclosure through USB but it still will “crash and freeze” in this static snowy screen.

I thought at first it was the HD cable as I’ve had to replace that before. Could this be a display cable issue? Or logic board/graphics card?

Thank you and please help if anyone knows a fix other than replacing the logic board. I can’t seem to find any answers..

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arbaman @arbaman

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That doesn’t match with a faulty drive cable which is by default a suitable one on your Mac too. Snowy static makes me think more of a GPU or related issue..what does it happen when you plug to an HDMI external ? If you have the same issue there too a GPU related would be confirmed. However, I find it hard you can get out of it without a board repair or replacement.

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Thank you so much for responding. It's hard to find any information anywhere on this. When I plug into HDMI it produces the same static and can only be reset with PRAM reset. I have also had a notification that the battery needs to be serviced. Could it be the battery? Or the display? Or a faulty wire? I undid the back again, was a lot of dust around the board. I cleaned it. Reattached the RAM and it booted fine. Repaired the disk and let it sleep for a day fully charged. I used it for about 2 days. Nothing big just used the notes and typed, sent an email or two and made sure it was kept cool and slept. Today it crashed again after using the browser and Spotify. Could this have anything to do with the RAM or SSD or OS or is it only a logic board issue?

由 brysonkuan 完成的 2019年6月25日

Sorry for that but it seems to be logic board issue and as I said in my original answer a replacement of it seems to be the only thing you can do with a DIY approach.

由 arbaman 完成的 2019年6月25日

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Thank you so much for responding. It's hard to find any information anywhere on this. When I plug into HDMI it produces the same static and can only be reset with PRAM reset. I have also had a notification that the battery needs to be serviced. Could it be the battery? Or the display? Or a faulty wire? I undid the back again, was a lot of dust around the board. I cleaned it. Reattached the RAM and it booted fine. Repaired the disk and let it sleep for a day fully charged. I used it for about 2 days. Nothing big just used the notes and typed, sent an email or two and made sure it was kept cool and slept. Today it crashed again after using the browser and Spotify. Could this have anything to do with the RAM or SSD or OS or is it only a logic board issue? — brysonkuan
Sorry for that but it seems to be logic board issue and as I said in my original answer a replacement of it seems to be the only thing you can do with a DIY approach. — arbaman

2012年中 MacBook Pro 13" 一体化机

"Snowy" static screen Mid 2012 MacBook Pro 13" crash!

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