Reinstalled Windows 7 and it wont detect my second monitor

[sparnia]

I just installed windows 7 64 bit but it wont detect my second monitor help please

 

[COLGeek]

Did you update your video drivers after re-installing Windows 7? If not, you should do so.

 

[sparnia]

Im downloading nividia geforce, will that do it?

 

[COLGeek]

Assuming you have a Nvidia GPU, then YES, that will likely solve the the problem and allow you to configure your displays.