its set to the american keyboard config try pressing alt and shift if that didnt change it go to start>control panel>regional and language options. Then in the box that opens up click languages at the top tap, then press details. Then it will show you keyboard layouts you are using. Click add and choose the UK or whatever country you live in. Then when you go back to the keyboard screen it will show 2 in the top pull down bar choose the new one and it`ll have it as default now.