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Hi, I inherited this from my stepson in a pretty tatty condition. Many keys on keyboard not working, Hard disc on its last legs and worse of all the battery was severely distorted and had bent the rear case. So, I replaced the keyboard, battery and rear case, (all genuine Apple parts) and fitted new SSD and did clean install of MacOS High Sierra (10.13.6). The system works perfectly with the rear case off but within 30 seconds of fitting the rear case the fan runs up to full and the CPU is throttled back. This is doing my head in! Any tips gratefully received…. Tim
How did you get the High Sierra system on this model? It should not have taken it. I suspect this system was put on the drive from another machine. It may also have formatted the drive GUID/APFS instead of GUID/HFS+ (journaled). I would reformat the drive GUID/HFS+ and install El Capitan 10.1 and see if it works. Also make sure your drive is backward compatible to SATA II (3 Gb/s). https://everymac.com/systems/apple/macbo… UPDATE 9/23/18 It’s important to exactly which machine we are talking about. You have a: Apple MacBook Pro “Core 2 Duo” 2.66 13" Mid-2010 Specs Identifiers: Mid-2010 13" - MC375LL/A - MacBookPro7,1 - A1278 - 2351* I’ll change the devise icon This machine will take High Sierra OK, but I don’t know about this program you used to do it. How did it format the internal drive?
