I don't know what an Oow replacemet is? It doan't really seem like it would be necessary as the phone was working 1 minute and now I can't get it out of recovery mode.
OOW means out of warranty.
But I think you may not be getting the timing of DFU right. On the windows computer, when you connect your iPhone, do you hear a USB-connect beep? If you do, you can use the beeps to get the timing right.
Connect iPhone -- hear connect beep.
Hold down power and home until you hear the disconnect beep.
Let go of power but keep holding home until you hear a connect beep again.
At this point, the screen stays black, Windows detects unknown USB device and starts installing a driver, and once the driver installs, iTunes should report an iPhone in recovery mode.
If that doesn't work -- have you tried a new cable?
And if that doesn't work, then it's probably time for a visit to Apple.