PC Not booting to HDD

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tob_ewalker

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Aug 31, 2017
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Hello all,

I have a machine with me at the moment which I built a few years ago, working with no problems up til today.

When you turn the machine on, it goes to ASUS UEFI BIOS, and shows that there are two SATA devices connected, one HDD and one DVD Drive, which is correct. However, when I boot to Ubuntu, I cannot see either of these devices (even though it has booted to UBUNTU on a DVD)

I took the HDD out and mounted it into another machine, known to be working. I booted to UBUNTU (It won't boot to the HDD properly (brings up a Windows repair screen but then just goes back to the BIOS)) and sure enough, the hard drive shows and I can see the data on it. This leads me to believe there is a problem with the MoBo on the original machine, rather than on the HDD itself.

I have also tested a different PSU, just in case, and that has the same issue where the disk is not visible. Has anyone any suggestions as to how I may go about determining once and for all where the fault is, and if it is at all possible to repair it?

Many thanks

T
 
Solution
morpheas768


Ideally you need to test the drive on a "clean" build.
I understand that you might not want to lose data, but formatting and checking for errors is advisable.
You should do the latter if and after the drive is detected and working on an OS environment. Check for errors, perhaps use HD Tune error check, or some other software.

First rule out an OS/software issue, and then you can move on to a hardware issue.
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morpheas768

morpheas768

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Mar 3, 2009
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I would suggest installing Windows or any other OS which is new and fresh, and see if it works fine then.
I am not familiar at all with Ubuntu (have installed it once and used it for a few hours barely), but it seems like it could be an issue with the specific software setup.
It doesnt seem like you've ruled out a software issue, especially if the Bios tells you that its connected and fine.

P.S. I dont understand how Ubuntu brings up a Windows repair screen but anyway, its not important.
 
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tob_ewalker

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Aug 31, 2017
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@Morpheas - I will try re-installing Windows now to see if that works. Sorry, it was the way I worded it. In the donor PC, it will boot to the HDD and bring up a Windows repair screen, but will then restart
 
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morpheas768

morpheas768

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Mar 3, 2009
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Ideally you need to test the drive on a "clean" build.
I understand that you might not want to lose data, but formatting and checking for errors is advisable.
You should do the latter if and after the drive is detected and working on an OS environment. Check for errors, perhaps use HD Tune error check, or some other software.

First rule out an OS/software issue, and then you can move on to a hardware issue.
 
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