A simple reset of your Router and PC may resolve this issue so please try this before configuring any ports.
This may be a problem with certain Steam ports being restricted on your router/firewall. Please read steam FAQ with information about specific ports that may need configured.
Most often the origin of the problem is either DirectX or drivers - make sure your DirectX and drivers are up to date.
According to the Intel website the latest version is 188.8.131.5212.
You should be able to find downloads and instructions for installing updated the driver on your system here.
If it tells you that you cannot use these drivers because your system manufacturer has updated ones, you can try to find updated ones on your manufacturer website, however if the latest ones there are still over a year old, the game may not play.
The last thing you can try is following the instructions on the Intel website here to install the latest generic drivers.
Follow the instructions at the bottom of the page for the Work-around, the exact instructions depends on your operating system but typically involves:
1. Finding the driver .zip file.
2. Extracting the drivers manually using a .zip program.
3. Using the 'Install with a disk' method of driver installation.
Use the -hz=120 command line argument, where 120 is the screen refresh rate.