BF3 Graphics Bug?

Since A/K every time I knife someone the animation is laggy as hell. Happens in all game modes/maps. I have even turned everything down to high (graphics) which I have never had to do before. I have checked all relevant component temperatures and they all are all the same as always.
Anyone else experiencing this or no a possible fix?
Peace.
Sizzler

I had a cpl melee ribbons last night. No issues at all on my side.

Yea was my error i listened to someone saying you should try with network smoothing all the way to the left (0%). I have been informed through battle frog that this was causing the problem. I won't know until I have finished re downloading BF3 & AK CQ DLC lol.
Well "you live & learn" right.

lol man if only you belonged to a clan that had TS and multiple ways to contact. maybe then you could have had a answer before you decided to uninstall bf3. lol duh

Ha Ha What a Noob. LMAO.
If it aint broke smoka STOP Trying to bloody fix it. LOL Your like the nutty professor ya just gotta mess with ya shit. What are u like. LMAO

Lmao.