Samsung 840 Pro Not Showing Up After Conversion From GPT to MBR (Windows 7)

LapsedBrad

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Jan 1, 2017
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10,510
Hi guys,

I am trying to install Windows 7 on a secondary SSD. I added an SSD to my system and was using it as a secondary drive to store games. I formatted it in GPT after some recommendations.

After my primary SSD started showing signs of age I figured it would be a good idea to install Windows onto this secondary drive.

During the Windows setup process it said it could not install to that drive because it was GPT, so I looked up the steps to convert from GPT to MBR (right click on the disk in Disk Management and delete the volume, then right click and Convert to MBR Disk)

I was able to delete the volume and click Convert to MBR Disk but now the SSD does not show up in Disk Management or in Windows Explorer. It does however show up in Samsung Magician.

https://i.imgur.com/e9jQJGz.png

https://i.imgur.com/jgIyUcj.png

It shows up at the bottom as Disk 0 but not in the top list of drives, the right click options have changed as well.

https://i.imgur.com/zIMcyzh.png

I'm worried that I messed up my SSD but I don't know why or how to fix it.

I would really appreciate your help, thanks.
 
Solution
First of all, it appears you have a Win 7 OS installed on another 250 GB SSD. Apparently that's the drive you indicate it has "started showing signs of age" - whatever that means. What does it mean? Are you having boot problems of one sort or another or problems accessing data or running programs? Or does it seem to you that the SSD has "slowed down" over the time you've owned it?

I ask these questions because as a general proposition one would consider cloning the contents of one's boot drive to another drive, so I'm wondering why you might not consider that in your situation, i.e., cloning the "old" SSD to your new SSD. Perhaps you're not interested in a "data-migration" since you just desire a fresh-install of the Win 7 OS on a new...
First of all, it appears you have a Win 7 OS installed on another 250 GB SSD. Apparently that's the drive you indicate it has "started showing signs of age" - whatever that means. What does it mean? Are you having boot problems of one sort or another or problems accessing data or running programs? Or does it seem to you that the SSD has "slowed down" over the time you've owned it?

I ask these questions because as a general proposition one would consider cloning the contents of one's boot drive to another drive, so I'm wondering why you might not consider that in your situation, i.e., cloning the "old" SSD to your new SSD. Perhaps you're not interested in a "data-migration" since you just desire a fresh-install of the Win 7 OS on a new SSD. But perhaps you would like to elaborate on your point-of-view.

Anyway, with respect to your current query...

It certainly doesn't look like you have any problem here.
It would seem that "Disk 0" is the 256 GB Samsung SSD is the drive that's involved, right?
And it appears you have successfully converted the disk to the MBR-partitioning scheme.
So that now all the disk-space of that disk is "unallocated". And there would seem to be no reason you could not go ahead and install Win 7 onto that drive if that's your desire.

Assuming you do...it would be a good idea to temporarily disconnect or uninstall all the other drives while you undertake the Win 7 installation process on the Samsung SSD. After the OS is installed and you determine that it boots & functions without any problems, then you can reconnect the other drives in your system.

When you next boot your system ensure you access the BIOS and select the boot priority setting to select the system you generally desire to boot to.
 
Solution