Hard drive showing in bios, but not in disk management

[Flabby Waffles]

My hard is showing up in the bios but when I go to disk management it is not there.

[Hackentosher]

You have to format it via command prompt. This guide worked wonders when I had the exact same issue. http://knowledge.seagate.com/articles/en_US/FAQ/005929en

[Squish4058]

You might have the wrong partition table, the two types being MBR (older) and GUID (Newer)

You have to fully format them to change it. Have you tried other computers?

[Squish4058]

1 minute ago, Hackentosher said:

You have to format it via command prompt. This guide worked wonders when I had the exact same issue. http://knowledge.seagate.com/articles/en_US/FAQ/005929en

I thought command prompt uses the same services as disk management. 

But yeah I have diskpart "clean"ed many usb drives in the last two years alone

[Hackentosher]

1 minute ago, kris2340k said:

I thought command prompt uses the same services as disk management. 

But yeah I have diskpart "clean"ed many usb drives in the last two years alone

It's worth a shot. Perhaps OP can format the drive using another computer if they can get it to mount.

[Flabby Waffles]

It doesn't show in disk part. How do I change partition tables.

[Squish4058]

Just now, Hackentosher said:

It's worth a shot. Perhaps OP can format the drive using another computer if they can get it to mount.

Agreed methods I have used for making drives show up 

1.diskpart (console in windows)
2.disk management

3.Ubuntu live CD and Gparted

4. some tool on linux designed to erase left over GUID data when converting to MBR

 

[Squish4058]

2 minutes ago, Flabby Waffles said:

It doesn't show in disk part. How do I change partition tables.

I have only ever done it in Gparted in Ubuntu. And that requires a usb drive thats empty or a cd lol. There should be youtubes on it.

There are probably easier ways than making a live ubuntu usb but I always keep one handy lol

[Flabby Waffles]

Just tried the drive in two different computers and they didn't boot im just gonna throw it away.

[Godlygamer23]

1 minute ago, Flabby Waffles said:

Just tried the drive in two different computers and they didn't boot im just gonna throw it away.

I wouldn't throw it away. It might be fixable, especially if it's showing in the BIOS. Is the disk spinning?

[Squish4058]

1 minute ago, Godlygamer23 said:

I wouldn't throw it away. It might be fixable, especially if it's showing in the BIOS. Is the disk spinning?

Ubuntu usb`s can be made while you do something else, normally takes 5 mins to make, 5 minutes to boot and use gparted. Once you open it you just click "create new partiton table"