My 2006 MacBook Pro won’t hard reset
When I try to reset it it shows three icons flashing the Apple logo a circle with a line through it and the file with question mark I think it deleted core services an also the os (macOS 10.6.8)
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I should have included this link in my previous reply:
If your Mac doesn't start up all the way - Apple Support
Also, that MBP shipped with a set of Mac OS X reinstall DVDs. If you still have those, you might try booting the computer with them and see if you can get into the Disk Utility to run First Aid on the internal drive.
Honestly, though, I wouldn't put much effort into restoring the computer, and certainly don't spend any $. It might be entertaining to toy with as a hobby machine, but it's outlived its usefulness, imho.