the hight picthed noise could be many things. like above, the heads sticking although those usually make a thunk noise (like the ol' floppy disks), if a bearing is going out it could make a squeal or a chirping noise and also a grrrr noise so this makes it hard to find sometimes. Do you have any HDD health programs installed?
If you argue with an idiot he will drag you down to his level and beat you with experience.
I am not a fast writer.
I am not a slow writer.
I am a half-fast writer.