Originally Posted by Ruslan124

If it does not have a dual voltage switch on the PSU (Power Supply) as suggested in the previous post, you can replace the PSU in the UK for about 60 bucks. It is a very simple task to carry out. If the PC is from one of the known PC suppliers like Dell etc, there is a very good chance it has a dual voltage PSU. If it is home made then likewise, there is a chance the PSU is single voltage.