MacBook does not start without warning, please help I'm losing my mind

MacBook pro froze performs a simple operation. Got the wheel turns and could not enter the finder, etc. Did a hard reboot. Now the computer does not start. I get the apple journal and the bar for a minute or two and then a zero symbol IE forbidden - a circle with a line through it.

Surprisingly, it is less than two months after a similar disaster where the computer would not suddenly start. In this case, I was able to get repaired the program apple logic board (the problem was compatible with the congenital fail GPU result).

Incredibly this time the macbook seems to be in even worse shape. I don't get anything useful from the startup keys.

cmd R - take me in a gray screen no symbol

D - no symbol grey screen

option D - it took a while but eventually I got to choose the network, then it seemed to freeze on the globe

option - strangely this brings me to a screen asking me to choose the wireless network, but it does not all networks in the box. weird - this happens even with a simple bootable usb key

option cmd R - annoys me to the world, but the world does not revolve

T - puts me the screen of the target disk, but the disk is unreadable from another computer

cmd S / cmd V - gives me a code screen and then freezes

Shift - takes me to zero cross again

C - think for awhile, but let me on an undefined gray screen

(I need some advice on the start-up of the thumb. Pressing C should force the startup of the thumb. I did an inch bootable with el capitan. However, I am not convinced that my thumb works on a functional mac either - I just can't get a macbook functional 2009 to start the boost by pressing C, although it starts from the thumb if I press option and go through the menu. Weird.)

Help, please. Urgent need to use the computer and access the data on it.

Even if you have just a few ideas that would be useful.

Can I assume that you have a 2009 MBP?

You have your data backed up?

Have you tried SMC and NVRAM resets?

https://support.Apple.com/en-us/HT201295

https://support.Apple.com/en-us/HT204063

Have you tried a secure boot?

https://support.Apple.com/en-us/HT201262

Take our installation disc and use the one with the Apple Hardware Test instructions on it and run the original test.

Note that an error free AHT is inconclusive.

Ciao

Tags: Notebooks

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