Booting ERROR (boots from xternal)

the device boots fine from the external HDD,yet when i use the cable on mother board starts giving question mark/prohibitory and apple logo(keeps cycling over those three signs.

device reads the HDD repair says fine verified already put new OS done,reset vram done.

almost done every thing .

changed 2 cables TBH one reads but gives question mark the other one gives this sign,original also gives the question mark and no HDD comes up in disk utilities

Update (02/24/2019)

Okay guys the problem was fixed :

its was the HDD cable+os recovery corrupted

回答此问题 我也有这个问题

这是一个好问题吗?

按维修分数 0

评论:

What cables are you talking about? The Retina uses a flash drive.

What is you exact model? Do you really have the older Unibody system not a retina model.

添加一条评论