Acronis True Image can not detect C partition
I have installed Win10 a few days ago, when I use Acronis True Image PE disk boot up and try to back up the operating system, the information shows on the screen as "this disk is not available". I think that it probably something wrong with the operating system, but I can use AOMEI Backupper WinPE to do C partition back up.
Can anyone give me a suggestion? Thank you.

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The use of Acronis Universal Restore is not relevant to the task you are attempting. You just need the ordinary recovery media.
Have you tried creating a backup from within Windows?
There may be a hint in the follow:
the information shows on the screen as "this disk is not available".
You obviously cannot backup to either the the System SSD/HDD or the drive you booted from (except if you are booting from a Acronis Survival Kit), you have to backup to another drive. Sometimes with a new drive you have to go to the tools section and add the drive.
Ian
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when I use Acronis True Image PE disk boot up and try to back up the operating system, the information shows on the screen as "this disk is not available".
How did you create the PE boot disk here?
What type of disk drive is being used for your Windows C: drive?
If you have a NVMe M.2 type SSD drive, and this is using RAID SATA mode, then you need to ensure that you use the Acronis Rescue Media Builder with the 'Simple' option so that it picks up the device drivers from your Windows Recovery Environment.
Alternatively use the MVP Custom PE builder script to create the rescue media.
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IanL-S wrote:The use of Acronis Universal Restore is not relevant to the task you are attempting. You just need the ordinary recovery media.
Have you tried creating a backup from within Windows?
There may be a hint in the follow:
the information shows on the screen as "this disk is not available".
You obviously cannot backup to either the the System SSD/HDD or the drive you booted from (except if you are booting from a Acronis Survival Kit), you have to backup to another drive. Sometimes with a new drive you have to go to the tools section and add the drive.
Ian
Thank you for your reply Ian.
I use both a Acronis Universal Restore disk and a ordinary recovery disk to do system back up but failed because it can not detect the C partition. I know their are something wrong with the operating system, but I think the Acronis should be able to back up the C partition even the operating system not right or even empty.
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Steve Smith wrote:when I use Acronis True Image PE disk boot up and try to back up the operating system, the information shows on the screen as "this disk is not available".
How did you create the PE boot disk here?
What type of disk drive is being used for your Windows C: drive?
If you have a NVMe M.2 type SSD drive, and this is using RAID SATA mode, then you need to ensure that you use the Acronis Rescue Media Builder with the 'Simple' option so that it picks up the device drivers from your Windows Recovery Environment.
Alternatively use the MVP Custom PE builder script to create the rescue media.
Thank you Steve.
There are something wrong with the operating system and I gave up. Now I use another SSD which have installed Win10/2004, it's running well and I can use Acronis True Image doing back up and restore job.
I like to use the Acronis True Image doing system back up and restore because it's the best system back up software in comparison with other software, but I think the Acronis True Image should be able to back up any partition eve empty. What I see is the C, D, E partitions (in one SSD) were in grey drive letter, which is not available to do anything on it.
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I think the Acronis True Image should be able to back up any partition eve empty. What I see is the C, D, E partitions (in one SSD) were in grey drive letter, which is not available to do anything on it.
James, I have never seen any issues with ATI backing up any partitions, empty or not, so strange that you have seen this problem? I have used ATI to backup both Windows and Linux partitions many times.
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I have reconnected the SSD which has a problem with Acronis backup.
One Acronis disk shows that the disk 1 ( Win10 operating system ) is not supported.
Another Acronis disk shows that can not detect the disk 1 ( Win10 operating system ).
But I have already given up using this SSD.
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