Thanks everyone, specially Dalchina, the disk is now working correctly.

Okay, so I erased the partition, but now it's Unallocated. Should I apply "Wipe partition"? I want to be able to use the 900gb one.

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Thanks but I don't want to use Linux right now.

No, I don't have a backup, but there was nothing important on it.

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Maybe this is the problem? I double clicked the Disk 1 EFI partition and there's an Ubuntu folder:
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I'm only able to change the Windows(C:) drive letter, all the rest are greyed out.
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Yes, there are 2 EFI partitions. Is that a problem?


I don't know. What do you recommend me to do?...

Hello,

for some reason today mi D disk simply disappeared (disk 0). As you can see in the screenshots I can't change the name, it's a healthy partition, and I also tried refreshing and everything,...