Internal 2TB HDD not showing 2TB (1.81TB)
Good evening,
I am writing to you because I have a 2TB Seagate Barracuda HDD, but in my file manager, it shows that the hard drive only has 1.81TB available.
Upon checking in the file manager, I realize that I only have one partition of 1.81TB.
Then, when I looked in DiskPart, I found 2 partitions, one of 1863GB as primary and another of 15MB as reserved.
I would like to know where my missing 0.19TB have gone, and also what this 15MB reserved partition is for.
If possible, I would like to recover it as a primary partition for writing.
Best regards.
I am writing to you because I have a 2TB Seagate Barracuda HDD, but in my file manager, it shows that the hard drive only has 1.81TB available.
Upon checking in the file manager, I realize that I only have one partition of 1.81TB.
Then, when I looked in DiskPart, I found 2 partitions, one of 1863GB as primary and another of 15MB as reserved.
I would like to know where my missing 0.19TB have gone, and also what this 15MB reserved partition is for.
If possible, I would like to recover it as a primary partition for writing.
Best regards.
4 réponses
Hello,
is Windows installed on the hard drive?
As for the size, that's perfectly normal. The 2TB displayed is 2,000,000,000,000 bytes; in computing, kilobytes, megabytes, gigabytes, and terabytes are not calculated by dividing by 1000 but by 1024. In fact, the proper terms are kibi, mebi, gibi, tebi.
In summary
1 kilobyte = 1000 bytes
1 kibi byte = 1024 bytes
So when you convert correctly
2,000,000,000,000 bytes / 1024 = 1,953,125,000 kibi bytes
/ 1024 = 1,907,348.632... mebi bytes
/ 1024 = 1,862.645... gibi bytes (hence the 1863)
/ 1024 = 1.818.... tebi bytes (hence the 1.81)
If Windows is installed on it, you can recover your 15MB reserved, but Windows won’t boot anymore.
is Windows installed on the hard drive?
As for the size, that's perfectly normal. The 2TB displayed is 2,000,000,000,000 bytes; in computing, kilobytes, megabytes, gigabytes, and terabytes are not calculated by dividing by 1000 but by 1024. In fact, the proper terms are kibi, mebi, gibi, tebi.
In summary
1 kilobyte = 1000 bytes
1 kibi byte = 1024 bytes
So when you convert correctly
2,000,000,000,000 bytes / 1024 = 1,953,125,000 kibi bytes
/ 1024 = 1,907,348.632... mebi bytes
/ 1024 = 1,862.645... gibi bytes (hence the 1863)
/ 1024 = 1.818.... tebi bytes (hence the 1.81)
If Windows is installed on it, you can recover your 15MB reserved, but Windows won’t boot anymore.
Hi,
Without going into more technical details, Jumulka said it all.
500Gb = 465Gb (Seen by Windows)
1000Gb = 931Gb (Seen by Windows)
2Tb = 1.81Tb (Seen by Windows)
3Tb = 2.72Tb (Seen by Windows)
For smaller disks, I don't remember...
Without going into more technical details, Jumulka said it all.
500Gb = 465Gb (Seen by Windows)
1000Gb = 931Gb (Seen by Windows)
2Tb = 1.81Tb (Seen by Windows)
3Tb = 2.72Tb (Seen by Windows)
For smaller disks, I don't remember...
Hi,
1.81 TiB = 2 TB...
It's the conversion that is incorrect. Windows doesn't use the same terminology as manufacturers when it comes to capacity... and therefore, there is ambiguity regarding capacities.
Always account for a 7% discrepancy between the capacity displayed by the manufacturer and that recognized by your Windows system.
As for the "reserved" partition, it's the one that contains the partition table and the disk index; you definitely shouldn't touch it, or you will break the storage on the disk.
~ To know how to listen is to possess, besides one’s own, the minds of others... Leonardo da Vinci said.
~ "The art of writing is first and foremost to make oneself understood" — Eugène Delacroix
1.81 TiB = 2 TB...
It's the conversion that is incorrect. Windows doesn't use the same terminology as manufacturers when it comes to capacity... and therefore, there is ambiguity regarding capacities.
Always account for a 7% discrepancy between the capacity displayed by the manufacturer and that recognized by your Windows system.
As for the "reserved" partition, it's the one that contains the partition table and the disk index; you definitely shouldn't touch it, or you will break the storage on the disk.
~ To know how to listen is to possess, besides one’s own, the minds of others... Leonardo da Vinci said.
~ "The art of writing is first and foremost to make oneself understood" — Eugène Delacroix
Hello,
For information regarding disk capacity, we recommend reading this article:
https://www.seagate.com/fr/fr/support/kb/why-does-my-hard-drive-report-less-capacity-than-indicated-on-the-drives-label-172191en/
Additionally, to check the health of your drive, you can use the SeaTools bootable diagnostic software:
https://www.seagate.com/fr/fr/support/downloads/seatools/
Best regards,
--
Seagate Technology | Official Forums Team
IronWolf drives for NAS Applications - SkyHawk drives for Surveillance - BarraCuda drives for PC and gaming
For information regarding disk capacity, we recommend reading this article:
https://www.seagate.com/fr/fr/support/kb/why-does-my-hard-drive-report-less-capacity-than-indicated-on-the-drives-label-172191en/
Additionally, to check the health of your drive, you can use the SeaTools bootable diagnostic software:
https://www.seagate.com/fr/fr/support/downloads/seatools/
Best regards,
--
Seagate Technology | Official Forums Team
IronWolf drives for NAS Applications - SkyHawk drives for Surveillance - BarraCuda drives for PC and gaming