Today marks the 5 month anniversary of the "death" of my launch CECHA01 console. I have succeeded twice in reflowing/reapplying thermal compound/reheating the board after getting the YLOD, and the last repair (5 months ago) proved to be my stumbling block. I got careless and broke the two microscopically sized plastic clips that help to secure the ribbon cable from the BR drive to the motherboard. My only other solution, electrician's tape, is not effective.
Symptom: Can't get past a mandatory firmware update. Fails at 67%, then system prompts re-boot procedure. Wired or unwired to internet connection appears to have no effect.
Diagnosis: Connection between blu ray drive and motherboard is compromised.
Solution: Replace broken part, and in this case that means the entire motherboard itself, because the physical parts are not available separately. Attempt repair when new part is acquired, then pray to the video game gods.
Any thoughts, ideas, advice, humiliation ... I'd appreciate it.
If it's a flat surface-mount connector with a broken flip/latch:
Using a razor/X-acto knife, I once layered scotch tape over a tiny flat cable in a Nintendo DS with a broken connector. I layered it so that the thickness quickly "ramped up" as you moved away from the end with contacts but then layered one strip over them all so that it would slide over them without peeling. It worked great and the cable fit the broken connector with no need for latching. Do it on the side without contacts, of course.