820-3332 dead after flash

[phantomEVO]

hi to all! macbook pro retina 15 mid 2012 of my bestfriend

he says that it doesn't boot anymore (question mark)

boot from usb, but the ssd is not seen

i've seen on interne that it could be a bios related problem

following a youtube guide,i've cleaned me region

after that, powering up the mac, the apple logo appeare after a lot of seconds and stuck there with fan at full speed.

so i've tried one bios downloaded from internet but not laptop is dead (even with the original dump)

i cant power on it anymore with battery or power supply. i've light on mag safe but it is completely dead

if i disconnect the battery, connect magsafe and reconnect the battery, fans start to sping fast-slow-fast-slow-fast-slow

please help

[ktmmotocross]

Re: 820-3332 dead after flash

check board of u dont knockoff some component near bios

[phantomEVO]

Re: 820-3332 dead after flash

maybe bios chip damaged? can anyone help me to clean me region of the original dump?

[SMDFlea]

Re: 820-3332 dead after flash

maybe bios chip damaged? can anyone help me to clean me region of the original dump?

Bios requests go in the "Bios Requests ONLY!" forum here:

https://www.badcaps.net/forum/forumdisplay.php?f=40

Start a new thread or find an existing 820-3332 thread to post in and attach your bios backup in a zip or rar,and also post the serial number

.

[phantomEVO]

Re: 820-3332 dead after flash

sorry! i've opened another thread in the right section

could you help me about this problem?