disk is offline because it has a signature collision with another disk drive that is online

MathewsRL · Oct 20, 2015

I migrated win 10 hdd to a samsung ssd. The ssd is working fine but the when i put the original hdd with win 10 back in I get the message "disk is offline because it has a signature collision with another disk drive that is online". I know it is because the operating system is still on the hdd but can I change the the drive signature without losing data? I have looked in computer management and right click the drive the main option is "online". If I click that will it fix the problem or make it worse?

I am running windows 10 on a Dell xps 8700. I have a samsung pro 850 500 gb, samsung evo 840 250 gb and a 1tb hdd (I know this is overkill).

Thanks for your time.

glamdringfh · Oct 20, 2015

In disk management right click your old drive and choose "Change Drive Letter and Paths"

Give it a different drive letter and name and see if that doesn't do the trick.

mbarnes86 · Oct 20, 2015

Hi

Disk signature is not same as volume name
It is not normally visible
It is read by operting system and antivirus software

Make sure you dont change signature of windows boot disk by mistake

Mbr. Wizard. Can change signature
Old ver 3 is free and cmdline

Ver 4 has a grapics interface but costs money

Hirens boot cd has ver 3

http://www.hiren.info/pages/bootcd

Regards
Mike Barnes

MathewsRL · Oct 20, 2015

glamdringfh :

MathewsRL · Oct 20, 2015

mbarnes86 :

That would not work because when you right click the old drive everything is greyed out except for help. Change drive letter and path is there but cannot be selected.

MathewsRL · Oct 20, 2015

mbarnes86 :

Sorry I was replying to the the first answer. I will try yours next.

MathewsRL · Oct 21, 2015

Since I did not need the hdd to be the OS drive I right clicked the offline drive in computer management and selected online. I have access to the drive and all is well. This may not work for everyone but it did what I wanted. Thanks to all for help.

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