If I start my computer it beeps 4 times and computer dosen't start .what's the problem?

If the computer doesn't start then it may be difficult to run a virus scan. When the computer is trying to load watch very closely for any messages that may give a clue.

Sometimes a cable or connection can become loosened or even a memory stick not clamped in properly can cause a situation like this.

Just some ideas and I hope you get it straightened out.

Can be due to virus, run a virus scan to rule out that problem first.

I think there is a lot of virus in your computer so install a antivirus as soon as possible. There are many antivirus softwares available in the internet like Norton,AVG,Avast------------ it's better to replace immediately otherwise the virus may enter into the C-Drive.

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