Windows 10: Fast Startup - Win 10 - Win 7 - Boot Problems - Only 7 Booted

I have 2 SSDs, one with a 'dormant' copy of Win 10 and the second with an actively used copy of Win 7.

By 'dormant' I mean that I've only booted the Win 10 drive a few times to install updates. It is an end-of-the-year insurance policy against the end-of-support for Win 7 as 2020 looms large.

Since the last update I've had problems running Win7. Win 7 insists on a CHKDSK of the boot disk on boot but that cannot run because the OS has started. It suggests using a restore point, but that cannot run until the CHKDSK problem has been addressed.

I've read that failing to disable "Fast Boot" in Win 10 can cause 'problems' in Win 7. I don't recall taking that step when I updated late in January. I lost many files on a data disk in an e-SATA bay because I failed to remember to shut it down.

There is an explanation here. I will paste the answer that seems to apply, but could this 'feature' have an impact on the Win 7 system disk which was disconnected during the time I worked on Win 10?

https://answers.microsoft.com/en-us/...b-ed53654ffb42

"The drive corruption problem happens after Windows 10 has been fully shut down and the computer then booted into a different operating system, but not when changing OS's after soft rebooting because Fast startup isn't used during warm reboots."

"The core of the issue is that Fast Startup works similarly to Hybernation in that it stores details of the computer's operational state into a hiberfil.sys file on the harddisk whenever Windows 10 is shut down. That file is subsequently used the next time Windows 10 is cold booted. Cold booting the computer into a different OS however can/will change the real contents of the harddrives in the system such that they no longer match what was stored by Win10 in hyberfil.sys, or it can even cause this file to be overwritten. Chaos ensues after booting back into Windows 10 when it tries to recreate the state it was last in but the drive contents are different from what was stored in hiberfil.sys or worse, if the hyberfil.sys file is corrupted or missing."

After the upgrade I also noticed a new folder on the data disk that contains this rather large file:

F:\Windows10Upgrade\17134.112.180619-1212.rs4_release_svc_refresh_CLIENTCONSUMER_RET_x64FRE_en-us.esd

and a smaller one:

F:\Windows10Upgrade\products.xml

Thanks for any insights and clearer explanations,


:)

 

Win 10 boots...

I can't answer to the speed of Win-8 booting. I tried the Win-8 preview and went back to Win-7 after a month. They say that Win-8.1 is a lot better than Win-8 was.
My Win-10 TP is working well ATM.

 

Dual-boot Win10/7 or go back to Win 7

Separate Hard Drive for win 7 and win 10
select boot drive at bios when Booting ( F10 )
Keeps them entirely separate and makes wipeing disk later easier

 

Dual-boot Win10/7 or go back to Win 7

This^^

I only use, or recommend, dual boot if a new/separate HD is out of the question. Way less hassle and potential problems.