Motherboard won't detect any hard drives in the bios

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adamgaldeman

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Feb 9, 2018
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Last night I was reinstalling ark survival evolved because I was having a few issues with crashes, however this morning my computer wouldn't boot into Windows 10 and went straight to the bios.
The bios said that no hard drives were detected on any of the sata ports, I then checked the connection and replaced the cables and tried using another sata port. This did nothing, I also tried using another hard drive which also was not detected.
When I first used the computer it was running fine but I started having issues with my hard drives all making the occasional grinding noise as if they had faulty bearings (i had two hard drives connected at the time a wd velociraptor 160gb and a wd black 1tb 7200rpm 64mb cache ) so I replaced both of the hard drives with another brand new 1tb seagate hard drive which also started making the exact same noise but ran perfectly fine for a week now it isn't detected. I'm not sure but maybe this has something to do with the same problem.

My specs are,
Motherboard, Asrock ab350m pro4 matx
Cpu, amd Ryzen 3 1200
Hard drive, Seagate baracuda 1tb 7200rpm
GPU, Gigabyte GeForce gtx 780 windforce 3gb
Psu, Raidmax rx500ae 500w
Ram, Kingston HyperX Fury 8gb 2x4gb 2133

This pc is was put together by myself only a few weeks ago, everything in the pc is new except for the GPU and psu which were second hand from a friend.
 
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adamgaldeman

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Feb 9, 2018
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Thanks for your help, I have a spare PSU lying around but it doesn't have the required GPU connectors am I still able to use this and access the bios to test if it is the PSU without connecting the GPU, this might sound dumb but i am reasonably new to desktop computers.

 
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adamgaldeman

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Feb 9, 2018
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I'm not sure how i can check if my hard drive is gpt without being able to boot into my computer but it was working fine earlier so i'm not sure if that would be a problem, what would it mean if it wasn't set to gpt? Also the bios is defaulted to legacy. Thanks for your help.
 
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smorizio

smorizio

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Jan 22, 2010
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take the spare power supply see if the hard drive work off of that unit. if not try and get your money back from the seller for the unit you have now and pick up a seasonic 520/620w s unit. there 40 or so onsale. also see if the power supply vendor will replace your drives.
 
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adamgaldeman

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Feb 9, 2018
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Thanks for your help, I don't think i can use the spare power supply as it doesn't have the required connectors for the graphics card meaning i cant access the bios to see if the hard drives are detected. It sounds like you think it is definitely a psu fault why do you think this? Also how would a faulty power supply cause the motherboard not to detect the hard drives?
 
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DRagor

DRagor

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Jan 23, 2017
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Well, that will not work, as Ryzen does not have integrated graphics, and without display you would not be able to see if BIOS sees the drives with other PSU. Unless you can use another, less powerful GPU along the way.
There are only two possible causes motherboard does not see the drives: they don't get proper power from PSU or SATA ports on motherboard are not working (actually if all not working, this would be caused by chip fault, not the ports themselves).
 
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smorizio

smorizio

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Jan 22, 2010
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on your test power supply use the green wire trick to jumper it on. with the power supply off connect one of the hard drive to it and then the sata cable to the mb. power up the test power supply see if the hard drive spins and is seen in the bios. if not as posted above the mb sata chipset can have failed if none of the ports are working. on the other power supply if the sata power is to high or to low it can damage the controlers on the hard drive (burn them out). if the drive dont spin or seek it can be drive controler issue.
 
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adamgaldeman

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Feb 9, 2018
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Thanks again, I did the green wire trick and tested it but still the hard drive was not detected in the bios i tested with three hard drives one of which has never been connected to the psu, how can i tell if the power supply has damaged the controllers on the hard drive (it definitely spins but i am unsure what is meant by seek). Has this confirmed that it is the motherboard or is there something else i can do to completely be sure it is the motherboard and not the psu. Also if it is the sata chipset then is there an explanation for why all my hard drives have started making occasional grinding noises when connected to my computer?
 
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