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Windows 7: Windows 7 will not boot - not even to BIOS

09 Jun 2013   #11

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

Is this what you are looking for?

My System SpecsSystem Spec
09 Jun 2013   #12

Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM

What is the Make and Model of the PSU?
A faulty/low quality PSU can take out any number of components.
Can you test the PSU before using it with a new MB?
In my experience a PSU is more likely to fail than a motherboard...
My System SpecsSystem Spec
09 Jun 2013   #13
Layback Bear

Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64

With a motherboard and system that old it would be a fine time to build a new computer.
My System SpecsSystem Spec

09 Jun 2013   #14

Windows 10 Education 64 bit

This SOP for me in this type of situation.
Disconnect and or remove everything not needed for the PC to post. All you need is power supply, motherboard, CPU with heat sink, one stick of RAM, keyboard and monitor. If the motherboard has onboard video use that. Unplug all external devices except your monitor and keyboard. Unplug any optical drives and the hard drives and remove any add in cards like network, sound and video if not needed. Reset the BIOS to defaults with the motherboard jumper or by removing the CMOS/BIOS battery. Then see if it will post. If it won't double check all your power cables to make sure they are firmly connected. If you are using an add in video card reseat it to make sure it firmly in place. Reseat your RAM too. Then try again. If it does post then you can slowly add devices one at a time until it doesn't and go from there. If it still won't post then its one of the few devices still hooked up. I would suspect the power supply as a likely cuprite. Just an educated guess on my part, I've seen a lot more failed power supplies than failed motherboards.
My System SpecsSystem Spec
10 Jun 2013   #15

Windows 7 64 bit

"Oh, Happy Day"

I am typing this on my main computer.......

Which, thanks to everyone's kind suggestions, is now working again.

And the problem...?

Not too sure, but what I did was this:-

I basically took everything out of the case, cleaned it all and refitted the motherboard (with processor)and power supply. I then started adding things and trying to start. Finally, with everything back in place and about to go down to a friendly electrician for some help. I tried it one more time and the thing booted into BIOS. I set that up, rebooted and Win 7 appeared. I left it to sort itself out (system time was 12.00 on 4th August 2002!!!!) which it did, and everything is working perfectly again.

My most sincere thanks to all who kindly helped me in my hour of need.

I am greatly obliged.
My System SpecsSystem Spec
10 Jun 2013   #16

Windows 10 Education 64 bit

Hopefully it keeps on working, glad you got it up and running.
My System SpecsSystem Spec

 Windows 7 will not boot - not even to BIOS

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