What do I do to resolve an ongoing problem with the MAIL "new messages sound".?  If I reboot the iMAC and keep the mail app open after a number of messages come in the NEW MESSAGE Sound quits. I have to reboot the machine to get it back.

New Messages sound quits after several messages have arrived. I've tried several passes at resolving but nothing I have done seems to work. Sometimes I have to reboot the imac several times to get the New Messages Sounds back. Everything else works. The only thing I haven't done is reinstall the OS and that seems foolhardy.

Hi Memalyn
Essentially, the bare issue is that you have a 500GB hard drive with only 10GB free. That is not sufficient to run the system properly. The two options you have are to move/remove files to another location, or to install a larger hard drive (eg 2TB). Drive space has nothing to do with SMC firmware, and usually large media files are to blame.
My first recommendation is this: download and run the free OmniDiskSweeper. This will identify the exact size of all your folders - you can drill down into the subfolders and figure out where your largest culprits are. For example, you might find that your Pictures folder contains both an iPhoto Library and copies that you've brought in from a camera but are outside the iPhoto Library structure. Or perhaps you have a lot of purchased video content in iTunes.
If you find files that you KNOW you do not need, you can delete them. Don't delete them just because you have a backup, since if the backup fails, you will lose all your copies.
Don't worry about "cleaners" for now - they don't save much space and can actually cause problems. Deal with the large file situation first and see how you get on.
Let us know what you find out, and if you manage to get your space back.
Matt

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