Dear Graham,in addition to changing these boot options, you need to leave the USB that has the windows media as a primary and the HD as a secondary, if it is not in these orders the boot will not find the HD.
I await news!
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Have tried so many resets I am surprised the hard drive is no knackered. Clean boots, disabling drivers, changing system configuration to hide all microsoft services and disabling non microsoft all fail with the same error.
I have tried all the things you are told to do by microsoft in their pages and still get the same error. Lenovo wipe their feet and say its beyond their support when asked. Nothing I have been told by any representative here has worked. The only thing I have yet to try is a clean install of windows 10!
The computer is as follows:
Lenovo Ideacentre 310s-08asr amd a9-9245 radeon r5 compute cores 2c+3G
8Gb Memory
860Gb free on hard drive
Razer Chroma keyboard
Windows Defender used no 3rd party
Have been told it is the mcafee boot protection but mcafee has been removed after every windows reinstallation, the mcafee removal tool three times.
The previous update via media creation too i tried update and that failed but gave no error code.
This time i tried the iso file and update and yet again it failed but this time i get error 0xc1900101-0x20017
When i use windows update i just get error 0xc1900101 and nothing else.
In the past i have disabled all non microsoft services and i have also disabled display adapters; Printers, sound, video and game controllers and did a restart and that failed also.
I have tried everything the advisers have said and that failed everytime.
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Dear Graham,in addition to changing these boot options, you need to leave the USB that has the windows media as a primary and the HD as a secondary, if it is not in these orders the boot will not find the HD.
I await news!
Here is what I have done
CSM is now ENABLED
Boot Mode is now AUTO
Boot Priority is now LEGACY FIRST
I did try setting boot mode to legacy only but I then did not have an option for boot priority. The last time I did this the computer did not boot properly as it said it could not find any o/s. So have to reverse it back to boot again.
Dear Graham, if you can, leave the boot mode to Legacy Only, if you don't have this option, try Automatico, then it looks like this:
CSM to Enabled
Boot Mode to Legacy only (Or Auto if you don't have the option of Legacy only here)
Boot Priority para Legacy First
Try the boot from the flash drive again, see you soon!
So you want me to set
CSM to Enabled
Boot Mode to Auto
Boot Priority to Legacy First
As this is what you get when CSM is enabled. The last time I set boot mode to legacy only I had to reboot into BIOS and reverse that back to UEFI only as the computer would not boot as it failed to find an o/s
Dear Graham,leave boot mode enabled and boot prioriry for Legacy first and CSM enabled.
And do the boot test with the flash drive.
See you!