I don't know if this is related, but when I put in the Mac OS X installation CD that followed, I get a kernel panic error AppleIntelCPUPowerManagement. However I've had a bad feeling about this since I started this that the HDD might've been damaged. I couldn't give a damn about deleting everything, I simply want it to work again. Oh thanks for that link, I didn't even know about the extra utilities in that tab. You can give the Ubuntu Live CD a try as well though: Still I don't think that would help a lot, because from the looks of it you might be dealing with a dead/damaged hard drive. The "sudo dd if=/dev/zero of=/dev/sdb bs=1M" command basically writes zeros (fully erases) your HDD. However, I would advise against tempering with Terminal/Linux, unless you know what you are doing. You can try the suggested solution in this thread as well: What will "sudo dd if=/dev/zero of=/dev/sdb bs=1M" this command do? It is for linux, but is there any difference to mac in regards to what I write in the terminal? So I guess I need to type some commands into the "Terminal" (Basically CMD). When I started it I was greeted with "Invalid Partition Table" and clicking the HDD icon "GParted" doesn't work. So I got it to boot into GParted, however I don't really have so much as a clue as to what I do here. If anyone could help me onwards it'd be really appritiated. I thougth I could make a bootable out of the program testdisk, but simply making an ISO out of the files (I downloaded the mac version) and burning it to a CD using TRANSMAC did not work. I thougth I'd try to recover the partition somehow, as the partition layout is probably broken on the HDD, however I'm not sure how to do this. If I try to browse the HDD and click the "Music" tab for instance, the explorer quits. So I backtracked and hit disk utility to find that there is only one partiton, the one running the OS.ġgb size, 1gb in use. So after trying all the basic stuff I tougth I'd reinstall, however when I enter the Recovery tools and choose "Reinstall OSX" I get to the step where I am supposed to choose my HDD. So I got a Mac OS X 10.8 and when I start it I'm greeted with a white screen and a folder with a question mark. How can I find the remaining GB's of storage? Macinto9e3bfb3c:~ howardhonig$ diskutil listĢ: Apple_HFS Macintosh HD 999.3 GB disk0s2ģ: Apple_Boot Recovery HD 650.TLDR: Trying to reinstall OS X but storage part of HDD isn't detected anywhere. Thanks.Įxample of what I've tried in Terminal. I've tried to unmount the entire disk as well as the individual partitions. I've tried to unmount through disk utility as well as through Terminal. Disk Utility states the disk needs to be repaired, but when I try to repair the disk, "unable to unmount for repair" is stated. I can see the drive in Finder, but some times the folders appear to be empty of files, and sometimes I can see the files but cannot access. I cannot transfer files to/from this hard drive anymore, and Time Machine will no longer work. I have a 2010 iMac with a 1.5 TB Seagate external hard drive I use for Time Machine as well as other backups. I'm having a problem unmounting an external hard drive. I know this conversation seems to be close, but thought I'd try to post here.
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