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I'm new to ubuntu and I need some help because i need it to work.

1) I got a dell inspiron 15r SE (or 7520). It got a ssd along with 1T disk. I'm not sure, but when I leave some space from C disk to install ubuntu (doesn't matter if its formatted or only free space), the ubuntu installer from bootable usb won't show this free space only the ssd. Anyone know why?

2) I got a external 1T disk that i use for backup. If I install ubuntu on this disk and uses it booting ubuntu from usb whenever I need it, does it uses all my available hardware? Because that seems a good solution. Will I be able to access my windows files from that bootable ubuntu usb stick?

Thanks

Geo
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2 Answers2

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Installing on the external disk will be just like installing on an internal disk. There should be no limitations on what hardware it can use. The only difference will be in speed. Depending on how the external disk is connected, it will not be as fast at booting or loading files as an internal disk. Connections like eSATA or USB 3.0 could be closer to the performance of internal disks.

You will only need to plug in the external drive when you want to boot Ubuntu or access it from Windows. Windows will not need the drive to boot, and even if you set up the BIOS to boot the external drive first, and the external drive is not attached, it should move on to the internal drive.

Nattgew
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solution to 1

The intel SRT used raid files to do something since the computer has both a hard drive and a flash ssd. The command 

sudo dmraid -E -r /dev/sda

resolved the issue with no problems on the windows system. for more information: I can't install Ubuntu on my Dell Inspiron 15R at all

Community
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Geo
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