MBP failed to see internal hdd

hello,

during reboot mac failed see hdd.
@ first though hdd failed fatter replacing same thing happened after 2 days. won't boot , booting dvd took forever , diskutil sees no hdd.

after further investigation concluded be

- logic board
- hdd cable

seen before?

advise?

charles

 

what mbp have?
have enclosure 2.5" s-ata hdds, boot old hdd , try boot it?


have tried of these steps?

mac doesn't boot

resolve startup issues , perform disk maintenance disk utility , fsck

troubleshooting: computer won't turn on

a flashing question mark appears when start mac​

 

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