desktop computer buzzes and black bars appear when i play minecraft

Goody626

Reputable
Jun 17, 2014
1
0
4,510
when i play minecraft on my dell desktop computer,after like 10 seconds,it freezes and it starts buzzing(sounds kind of like static) and centimeter wide bars appear. ive tried changing servers,thinking it was a server problem. im afraid it has a virus. does anyone know what is going on?