Sound cut

Today while i was playing Borderlands 2 on my (kind of) new PC, dialogue played, but but it got cut off, just like other sounds that were supposed to play. Funny thing is, the souds that were playing before, were still playing. So I think only the "new" sound didn't play. After a few seconds my...

hi, i currently just have re-installed my windows but i happen that my graphic card not recognized. previously my graphic card is recognized as "Radeon 5600/5700 HD" but now is "Standard VGA graphics Adapter". i guess thats the problem i couldn't install the catalyst software. i know its an old...