Black Screen

So , AVA wasn't working on my pc with win xp so I decided to play it on my laptop with win 7.
I installed the game , ran it. Worked properly when I was in lobby but whenever I get into the game,
after the connecting to the game screen , I do not get the loading screen and it goes black!
I can't even see the chat , just a black screen , I can control my player , send in voice chats but cant see hud
or thee game! I hear gunshots , i can type in chat but I cant see anything!
​HELP ME!

1- check your windows update
2 checks your net framework 4.5, if you do not have install https://www.microsof*****m/en-US/down....aspx?id=30653
3- update your java https://www.jav*****m/en/download/
4- restart the PC and try again