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#31
I gave you complete steps to get past the problem - which you then repeated, ignoring the steps I gave.
Tap the F2 key repeatedly and vigorously to get into BIOS setup, set the HDD to boot first and see if it will start.
Then follow the other steps I wrote out for you because they represent all of your options.
If you haven't copied out your files yet then you can do that using Step 3 with the flash stick installer prepared from Step 1 and 2 of Clean Reinstall - Factory OEM Windows 7.