Win7 Installation Issue on broken Win10 System. (Lenovo Notebook)

The situation: Expired Win10 Indsider upgrade installation, no longer booting (winload.exe / 0x0000605)

Attempted solution: Reinstalling Win7 from DVD

Problem: Win10 ignores the boot sequence, always boots from HDD. Changed boot sequence to select DVD ROM and tried from the boot menu during system start. After loading the DVD a while, it always boots to Win10 repair screen. (No secure boot options found in BIOS, maybe hidden?)

Win10 is driving me nuts, as I can't reinstall Win7 anymore. Any ideas please?

Try it again with the steps listed below. Please don't deviate.
Go to Boot Order screen > make sure boot order is CD/DVD > insert the Win 7 DVD > Exit Boot Order screen > shut down > restart.....

Thank you for your reply. I'm not sure if I'm doing it right, as it still boots to HDD / Win10

- Reboot (Ctrl+Alt+Del)
- Hit "Enter" then F12 for boot selection
- DVD is displayed first, HDD second.
- Insert DVD to drive
- Press "escape" to leave boot menu. Sitting at blank screen, flashing dos prompt
- Hold power button to shut down
- Press power button to turn on.

...still boots to win10

...still boots to win10 .............

I thought you said " no longer booting ".

Are you saying you can actually login to the expired Win 10 ?
Yes or No, please reply. It is very important.

One more question :
How is it possible you could let an Insider Preview expired ?

No, logging in is no longer possible. It'll boot into the repair options. (winload.exe expired)

How is it possible you could let an Insider Preview expired?
You'd better ask that my wife. ( Need I say more? ;-) )

Sorry, I have no idea how to help you any further.
Others in this forum most likely have better ideas than I.
Please wait a bit for them to come along.

Last resort will be taking the computer and the Win 7 DVD with product key to you "trusted" local computer store and ask for help.

Thank you for your effort. All I want to do is install a fresh copy of Win7. Maybe someone will know how it's done...

Are you sure your Windows 7 DVD is good? When you try to boot from it do you get the initial request to "Press any key to boot from DVD"? Also, what type of Windows 7 are you trying to install, is it a full retail version, OEM version or a recovery DVD made for a specific computer system?

Yes, the DVD is good. It'll run on other computers. I'm not prompted to press a key to boot fomr DVD though. It'll load the DVD for a short while and then go to the Win10 repair screen. From what I've read so far, it's an issue with secure boot - but I can't find any options in the BIOS to disable secure / fast boot.

What model # is the notebook?