2012 MacBook Pro renovated migrated 8/20, screen has blacked out for the second time
can not force stop with long hold on the power button / stop. The first time was in the second day of use, after all the updates from app store. Screen was back the next morning. 4 GB of ram, mid-2012, os 10.11.6.
I have the same PBM and had a similar problem. One day I went to turn on my MBP and the screen was black.
It was seems to be dead. The screen was not lit. I tried the Mini external display port with a television by HDMI cable and adapter screen.
And the macbook worked fine with the TV. TV display showed MBP display very well.
This led me to believe that there is just something wrong with my screen LED on the MBP.
So I opened the back cover of the MBP and looked inside.
I saw the cable that connects the screen LED MBP to motherboard and disconnected it and then reinstall it.
I then closed the MBP and restarted.
IS!... LED MBP display worked again. If the problem was simply that the cable of the LED screen did not have a good connection. So, just to be disconnected and reconnected to make good contact.
This maybe off topic but it's worth a try. It may be your screen LED cable which does not have a good contact.
Tags: Notebooks
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Welcome to the HP Forums! I read your post and wanted to help.
I understand that you have a black spot, down from the top of the screen a green line. You can connect an external monitor to your laptop. If the external monitor is displayed well, it may be the laptop screen broken. You can contact the store local repair, or HP support by phone for repair.
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Here's the EtreCheck:
EtreCheck version: 3.0.3 (307)
Report generated 2016-09-18 10:33:08
Download EtreCheck from https://etrecheck.com
Time 02:44
Performance: Excellent
Click the [Support] links to help with non-Apple products.
Click [details] for more information on this line.
Problem: Computer is too slow
Description:
The computer is very slow and beach ball
MacBook Pro (13-inch, mid-2012)
[Data sheet] - [User Guide] - [warranty & Service]
MacBook Pro - model: MacBookPro9, 2
1 2.5 GHz Intel Core i5 CPU: 2 strands
16 GB expandable RAM - [Instructions]
BANK 0/DIMM0
OK 8 GB DDR3 1600 MHz
BANK 1/DIMM0
OK 8 GB DDR3 1600 MHz
Bluetooth: Good - transfer/Airdrop2 taken in charge
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 129
Graphics Intel HD 4000
Color LCD 1280 x 800
OS X El Capitan 10.11.6 (15-1004) - since startup time: less than an hour
HTS545050A7E362 disk HARD APPLE disk0: (500,11 GB) (rotation)
EFI (disk0s1) < not mounted >: 210 MB
Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB
Macintosh HD (disk 1) /: 498,88 (Go 400,52 free)
Encrypted AES - XTS unlocked
Storage of carrots: disk0s2 499.25 GB Online
HL-DT-ST DVD - RW GS41N)
Apple Inc. FaceTime HD camera (built-in)
Apple Inc. Apple keyboard / Trackpad
Computer, Inc. Apple IR receiver.
Apple Inc. BRCM20702 hub.
Apple Inc. Bluetooth USB host controller.
Logitech USB receiver
Apple Inc. Thunderbolt_bus.
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