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That's a lot of disks there. Disk0 seems to be MBR partitioning layout. Try setting BIOS to boot into legacy mode (CSM).
That's a lot of disks there. Disk0 seems to be MBR partitioning layout. Try setting BIOS to boot into legacy mode (CSM).
OP was giveen this suggestion, but it appeared that two posters had different ideas on what I should do and asked for Disk Management. I will try the suggestion about BIOS today to see what happens.
Can I ask what motherboard you are using? Maybe we can see documentation and see what is available in BIOS set up.
Just so I understand did you create a USB Thumb drive with the Media Creation tool and then connected to device, navigated to USB thumb drive and double clicked setup? (This is one way of going to 1803).
I would strongly recommend you install and execute, before upgrading, Macrium Reflect to create a system image, and its boot disk, so that if things go sideways you can restore. I would also disconnect any drive that is not needed when you do the upgrade like "My Book".
Did you relocated your libraries to one of your data drives or do you just store info on these disk using standard windows processes. If you didn't move the location of your libraries I might be inclined to remove all drives except boot drive.
One other alternative, and while far more drastic, is the clean install. Looks like this device came from Win 7 and has likely gone through several OS updates. A lot more work and prep required but a nice product out the back end.
There are at least three people here giving conflicting advice. I can't seem to find anything in my BIOS to switch to "legacy."
I know there are "a lot of drives." My motherboard is an ASUS Prime Z270-A LGA 151 DDR4 DP HDMI DVI M.2 3.1 ATX . I have Macrium Reflect. Would a screenshot of my BIOS help?
You are looking for page 3-22 in your manual.
Set CSM to enable and boot from Storage Devices Legacy
I would still disconnect drives not required.
Please also shut off secure boot (page 3-22) and Fast Boot (page 3-21) until install completed. Then re enable.
I will try this, but probably not until tomorrow. Need to make image with Macrium. Should I image all disks?
A couple of questions before I mess with the BIOS. With CSM enabled, which it is, the Boot Drive Control is set to UEFI and Legacy OPRM; both the Network and Storage Device are set to Legacy Only. In Secure Boot, it is set to Other OS. I haven't changed anything yet.
Puzzling.
That seems to be set with the capabilities to boot from Legacy so why is it complaining?
I know a couple of other members are on thread, any ideas?