this post was submitted on 23 Nov 2023
25 points (100.0% liked)

Apple

17138 readers
6 users here now

Welcome

to the largest Apple community on Lemmy. This is the place where we talk about everything Apple, from iOS to the exciting upcoming Apple Vision Pro. Feel free to join the discussion!

Rules:
  1. No NSFW Content
  2. No Hate Speech or Personal Attacks
  3. No Ads / Spamming
    Self promotion is only allowed in the pinned monthly thread

Lemmy Code of Conduct

Communities of Interest:

Apple Hardware
Apple TV
Apple Watch
iPad
iPhone
Mac
Vintage Apple

Apple Software
iOS
iPadOS
macOS
tvOS
watchOS
Shortcuts
Xcode

Community banner courtesy of u/Antsomnia.

founded 1 year ago
MODERATORS
 

A few years ago I bought an old Mac, PowerPC I think, but it doesn't work properly. If I boot normally only one of the two CPU cores works, but both work in safe mode.

I imagine that there are ways to repair it, but as it's second hand, I would probably be better off with a clean installation. I've never owned a Mac before, so although it's outdated, I'd rather get it back to a default state than install Linux, and it also means that once I've finished with it I can pass it on to someone else who would appreciate it.

Is there a way to get the installation media? From what I remember from the last time I tried to get it running, it can use either Snow Leopard or Mountain Lion (10. something?)

Thanks in advance :)

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 2 points 9 months ago* (last edited 9 months ago) (1 children)

Hi, just to clear up some things. You say only some cores work. Yeah that’s not possible. This isn’t a car where some pistons can fire while others do not. A processor works or it doesn’t. There is no “oh only 3 out of the 8 cores work.”

Two, no amount of reinstalling or software will fix a hardware fault.

As for macOS:

The last OS capable of running on PPC is Leopard (10.5). People have hacked SL tho: https://forums.macrumors.com/threads/snow-leopard-on-unsupported-powerpc-macs.2232031/

Apple provides ISOs of every macOS release all the way back to Lion: https://support.apple.com/en-us/HT211683. Won’t help you, but may help others.

As for Leopard, you can grab a copy from: https://archive.org/details/OsxLeopardInstall

Lastly, legally speaking you’re fine. Apple won’t sue you for downloading an old installer for an obsolete product.

[–] [email protected] 0 points 9 months ago

Hi, just to clear up some things. You say only some cores work. Yeah that’s not possible. This isn’t a car where some pistons can fire while others do not. A processor works or it doesn’t. There is no “oh only 3 out of the 8 cores work.”

Two, no amount of reinstalling or software will fix a hardware fault.

Possible or not, that's the error message it was giving me. I don't remember the exact wording, but it was something along the lines of one core was disabled or not functioning. I opened whatever the equivalent of Task Manager is called (it's been a while), and the CPU was only showing one working core. In safe mode, it was showing two.

Obviously nothing's going to fix a hardware error, but seeing as the second core was apparently working in safe mode, it's clearly a software error, hence the need for installation discs to wipe and reinstall the software. There's a chance that the whole thing is screwed, and the CPU is dying, but I'm not going to know unless I test it.

I've got some free time coming up, so I'm hoping to get everything ready beforehand and try to get this system working again :)