Xbox 360 E model, Main Xbox partition now marked as unformatted due to me having problems with my ventilation

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My Xbox has now marked my hard drive as "Unformatted" even though the drive was always working with no problems, so now all my data on this 2 GB drive has been lost or unrecoverable (and will most likely be if I am forced to format the drive) is there any way to fix this? I am not trolling, I swear this has started happening today and when I went to play a game it showed up as Unformatted. I have owned this console for the past twelve years. The only issue I have mainly been having with the Xbox is the ventilation problem, where every time I play a game (it shuts down and the red light on the power button starts flashing) and this would keep happening until I powered off the console over and over and unplugged it. Sometimes it would stop and I could play a game and sometimes I just had to keep restarting it and now my console has an even bigger issue. So much for a console being unsupported, anyone else have this issue or knows how to fix it?

In case any info is needed:
Xbox Model: Xbox 360 E 4GB
SN: 088558132943
As you can see my internal hard drive (500GB) works with the console (for now), but the one that it came with is now marked as Unformatted!!!

 

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The good thing is that it's just the memory unit that is unformatted, hopefully I can fix this because this would really suck. The actual 500GB hard drive still works.