Help! Mac problems

hey,
mac has increasing been getting worse on weeks , weeks , can barely ever function properly. there long list of problems ill try best explain it.

alright, when turn mac on, every time now, gets white screen loading wheel (not colourful one) , doesn't go past there no matter how long leave it. have had (only couple of times) computer stick space apple background after type password , stays there.

on rare occasion work there more problems.
number 1: makes me choose wifi when set remember (which didnt before stopped working)
number 2: when click wifi wont connect internet although tells me im connected , brothers computer works when connected.
number 3: of time hard drive not accessible (finder not work, when mouse on wallpaper loading circle, itunes doesnt work properly)


please me here getting on nerves

not sure have know 21.5 inches , on disk says mac os version 10.6.2 (not sure how have updated)

thank

 

sorry hear frustrations. first thing calm down.

in case book slot @ genius bar , let them sort out.

don't know how old imac is, maybe have put operating system on it, not big problem. there several things can switch on cold.
reset machine turning off button on , remove plug rear of computer , after 30 seconds put power plug in switch on.

know there diagnostic check pressing 1 of keyboard letters not sure 1 think n , should diagnostic check, if machine has had lot of use hdd slow , needs replacing.

service threads shown on main apple store website, see service in lower half of screen.

luck sure sort out.

 

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