11/13/2023 0 Comments Install mac os lion from usbUpdate: I took out the cd drive and plugged the original HDD into it and it showed up in the installer so it is something with the SATA ports. Worst comes to worst I could always just do external drives for the boot drive and just use a large external one. I will look and see if I have/can get a compatible drive and see if it shows up because I do think that the SSD I tried was an HP so. The HDD works fine when I plug it into my windows computer though that's why I think its the SATA ports, the backplane board, or the PSU, no idea which or how to tell which it might be, I got the computer for $50 so its fine this is just gonna be a project for me if its one of those 3 things. Also, don't know where I would get the specs except by looking at the parts directly so I don't know what the CPUs, I know it has a 1tb WD hard drive (unknown if working), 8GB of ram and I assume the GPU is an ATI Radeon HD 5770 based on what it looks like and what I can find that they came with.Ĭlick to expand.Good point but 2 things I didn't mention yet, 1 according to crystal disk the hdd has less powered on hours than any drive in my windows system, 7039 hours unless crystal disk is lying though its power on count is significantly higher at 72304 so you might be right about the drive being bad but, 2 this was bought from a "salvage" location not like scrap computers but where items that had insurance claims on them went, specifically it was claimed due to lightning damage to the building it was in, I tested it there and I mostly reached out because it could boot to the Linux drive just not an mac install so i knew the important bits worked. Though I do need to hook it up to my windows desktop and try to run crystal disk or something to see if it does work.Īny help is appreciated I am proficient with windows but know next to nothing about macs. Make Sure Your USB Drive Is Formatted for a Mac Not all USB drives can be used with a Mac right out of the box. Finally, use your bootable flash drive to install Lion on your Mac. ![]() So, when holding alt/option + R nothing happens and same for when holding D.Ī second question is that while I was able to test that the system can boot to something I don't know if the hard drive works is there a way to see that it works on windows, or will I just have to wait to see if it shows up during the OS install process? It spins and doesn't make any weird noises. First, make sure your USB drive is formatted for use with a Mac, then download the OS X Lion installer from the App Store and copy it to your flash drive. dmg file of snow leopard I got from apple, I just don't know if just isn't seeing the flash drive as bootable or if during the boot process the keyboard I am using is not initializing fast enough for the inputs to be recognized (keychron k4 plugged in to usb and set to mac). This is now the only mac I have ever owned so I have been doing it from windows. It just sits at the blinking folder screen. ![]() I just recently bought a Mac Pro 5,1 that was used, and I am attempting to reinstall mac OS on it as the hard drive was 100% wipes, no partitions or anything, I know that it works as I get display out and before I bought it, I got it to boot to a Linux flash drive so the USB ports work and I've even tried the OS installer on the flash drive my Linux install was on and it still didn't boot to it.
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