high pitched noise

[swanseababy]

Hi My desk top gives off a high pitches noise while on the internet intermittentantly any ideas why this is happening and what I can do?

[kee-lo_]

Which desktop do you have?

[swanseababy]

the model of my desktop is pcv-2228

[Twisted-Rizla]

Did you want to replace it with a low pitched noise?

[rich912]

A high pitched noise on a Vaio desktop can often be an indication that the CPU is reaching critical temperature – maybe your system needs a clean.

Have a look here for a very clear guide to cleaning your PC..