Black screen and high pitched buzzing noise on start up.

[samuel davis3]

I have an Acer Aspire Z series desktop on Windows 7 Home Premium, it's about 12 or 13 years old, I have E Set anti virus. In the last few months it occasionally shows a black screen and high pitched buzzing noise on start up so I switch it off and restart later and it's ok. But now it is permanently on black screen and buzzing noise. I've read some proposed solutions but can't get past the black screen. Has it just slowly died due to its age and would a technician be able to save any files on the hard drive before I ditch it?

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