internal hdd

My backup/TM drive failed a while ago so I got this one to replace it. The only problem is that 2 (in 4) of the holes for the screws to mount it internally are in the wrong place. I thought about returning it, but I checked and it’s like that for every single HDD of this size or larger. I guess...

Updated my mac with High Sierra yesterday, with success. Since I am new with mac OS and partition, I created one small (22GB) and one big partition (100GB). After a painstaking HS installation (on smaller partition of internal drive), I made a mistake of erasing my big partition one after copied...

Hi, Short request-i need to make an external drive non-bootable on a macbook pro running 10.10.4. long story: I have an external 2tb drive that i used to use as an internal macbook pro boot drive, i replaced it with an ssd then installed caddy to make a second internal hdd in my laptop...

If we're not allowed to request product recommendations, apologies. If OK... I need a new main HDD (bay1) and duplicate to make mirror backups (bay2). I'm thinking Seagate Enterprise Capacity, 7200 rpm, 5 yr warranty, ST300NM0033 - because per Seagate they are Biz quality, more rugged, quiet...

So before this gets deleted since it looks like other threads, please read into the present issues because I have searched everywhere for the answer to this. It's an iMac A1224 and I get the flashing folder/question mark on startup. When I booted from an install drive and tried to find the hard...