HL2 won't start properly

[benpop]

I downloaded HL2 through Steam (ATI COUPON) and now I want to play
When I start the game I got stuck on the LOADING screen (before entering the actual menu). nothing happens

Can anybody help?

 

[dleidlein]

I downloaded HL2 through Steam (ATI COUPON) and now I want to play
When I start the game I got stuck on the LOADING screen (before entering the actual menu). nothing happens

Can anybody help?

it took mine a long time.. it has to update
right click on steam icon then "Monitor"