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Macbook pro is freezing even after reinstall ma...

My macbook was running Mac OS high sierra fine until yesterday. It started freezing overtime even after i tried restarting by hard reset. I also booted into recovery mode then format my disk and reinstall yosemite 10.10.5 like when i firstly bought it. I cleared nvram as suggestion and booted into safemode but it seem doesn't work. Please help me!

alexbui91 wrote:

 

My macbook was running Mac OS high sierra fine until yesterday. It started freezing overtime even after i tried restarting by hard reset. I also booted into recovery mode then format my disk and reinstall yosemite 10.10.5 like when i firstly bought it. I cleared nvram as suggestion and booted into safemode but it seem doesn't work. Please help me!

Are you saying falling back to Yosemite it is still freezing?

I this a HD or SSD?

You can try running the

AHT  https://support.apple.com/kb/HT1509 Not definitive by any means, but may kick out an error code.

In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test and ask specifically for the VST (Video Systems Test)

Genius reservation https://www.apple.com/retail/geniusbar/

on-line https://getsupport.apple.com/GetproductgroupList.action

check warranty https://selfsolve.apple.com/agreementWarrantyDynamic.do

My macbook is mid 2014 with ssd disk. I fall back to yosemite and it still occurs problems. I think there may be some hw errors and use hw tool check on macbook with restarting then hold D key option. It shows no hw error there.

'Apple Service Diagnostics' is much more comprehensive. Take it in.

As I know, Apple service diagnostics is activated by start machine then hold D button on keyboard. I may confuse you by another name. Sorry about that but it shows no error. My machine is out of warranty, can i still bring it to repair? I live in Seoul Korea.

最后更新：2017-10-09 12:44:20

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