iMac hard drive problem

My older iMac 8.1 (Intel Core 2), running OS x 10.9 ran slow, then a few application icons disappears from the display, after a restart, the application has stopped working completely. I tried to reinstall OSX, when this does not work, I did a full erase and reinstall it again, still none of my apps does not work. It manifests itself, and when I click it, it does nothing. I even went back to my original OSX 10.6 Snow Leppard and reinstalled drive and my desktop icons appeared for a few minutes and then everthing disappeared. Also, this has happened during execution of 10.9 as well. Now the only thing that the computer be used to mail is electronic and Safari. I can't run programs and do not have access to HD. If I tried to re - install 10.9, it tells me that it is impossible at this time. I think that my HD is dead? You wanted to check before I replaced it. It starts well, can run internet but not impossible to install, download or run programs. Disk First aid indicates that the computer is fine. Can not really afford to buy a new Mac now, so hoping that this can be a cheaper alternative.

How much free space on the hard drive?

There is no 100% way to check the health of a hard disk. Disk utility check alone is doing a part-time job to check the directory structure but not physical integrity of the reader. If you select the top level of a drive in disk utility and then file > retrieves the information of to half way down you can see the report of the SMART State which can indicate if a drive is having problems.  With one of my discs that I checked that feature, but it was not picking up on several defective sectors systematically producing errors.

The only real way to test a faulty hardware on a computer is to isolate the part (normally in the replacement, or do without it) and see if the issues go away.

I always keep a clone bootable backup of my drive on a separate drive so I can still boot from the second disk to see if it's an internal drive error.  Having this type of backup is just a part of the ownership of a computer.

I suppose there is also the possibility, it's another problem as the RAM.  A bad drive would be more consistent as to what elements show problems such as you see.

You can check on sites like ifixit or OWC (macsales.com) for instructional videos on how to replace the disks.

Tags: Mac

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