Windows 7 on MacBook Pro installed successfully but restarts with a white screen

I have a MacBook Pro Mid-2009. Unfortunately, I erased my internal drive which led me to OS X Utilities only. When I clicked on *reinstall OS X*, it asked me to sign into my Apple ID. But, it ended with a popup saying, *This item is temporarily unavailable.* So I tried installing Windows 7 on that dead MacBook. I created a bootable USB, plugged it, pressed the power button while holding ⌥ Option key, selected my bootable USB (EFI Boot). After that, I saw an installation screen of Windows 7. All the processes went well. I selected my internal Drive to install Windows. At last, I saw a popup, *Restarts in 10 seconds*. But after the restart my MacBook turned on with a blank white screen. Can anyone please help me to get rid of this problem?