I wonder if this would work....by working from within XP installed on the Toshiba, in other words my plan is to use XP to install win 7 using a virtual dvd drive.
1. Create a image of win 7 in another pc. Save it to a usb.
2. Install alcohol or daemon tools on the Toshiba using the new...
I agree with Twilyth, that's how I recovered from a overclock gone bad.
If the jumper trick doesn't solve then I proceed with checking psu,cpu and mobo.