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Why is my BIOS not recognizing my drives?

Posted on 2015-01-07
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Last Modified: 2015-08-17
Recently, my PSU failed while in the middle of something. I replaced the PSU and now I can get past the MB splash screen (MSI 890-G65 for reference, an AM3+ board) but it no longer sees a boot drive. In the BIOS utility, my 500 GB WD drive also doesn't appear. The OS is on the 128 GB SSD. What might be causing this failure to detect the drives?

Outside of reseating the sata cables, I'm not sure what else I can do besides testing the drives with other hardware, which I currently do not have access to. At that point I would need to take it into someone to test them. I'm concerned that maybe the SATA controller on the board also failed, but I have no way of verifying that.

Is there anything else I may have missed?
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Question by:Rachel Sharpton, M.A.
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Expert Comment

by:Lee W, MVP
ID: 40536018
Have you confirmed the drive is still good in another system?  It's possible your powersupply blew out the drive.
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Author Comment

by:Rachel Sharpton, M.A.
ID: 40536027
Lee, thanks for the quick response. Yikes... I really hope it didn't blow out both drives, but I guess there's no way to know for sure unless I test it with other hardware. I'll have to take it in to someone then (this desktop system is currently my only system). Thanks for the help.
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Expert Comment

by:Lee W, MVP
ID: 40536133
Check all the cables again and make sure something didn't get knocked lose - for kicks, I might swap SATA cables - the one from the SSD to the standard and the one from the standard to the SSD.  Even if you don't have another system to test in, if you have old drives you can test, try them - you want to narrow down what has failed.  You might also be able to boot the system with a USB flash drive with Linux or even Windows on it and then connect the questionable drives with a SATA to USB adapter and see if that can show you the data.  Lastly, you might just try to reset your BIOS to factory defaults to ensure something odd didn't get turned on (or off).
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Expert Comment

by:☠ MASQ ☠
ID: 40536803
Just to reiterate Lee W's point, the one thing you haven't mentioned is if you've tried simply resetting the BIOS to defaults ("Load Optimized Defaults" on the BIOS Home screen)?
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Expert Comment

by:nobus
ID: 40537293
you can also check if the drive is ok by connecting it to a laptop with an usb adapter :
http://www.amazon.com/USB-SATA-5-25-Cable-Adapter/dp/B000YJBL78

if you have usb 3 - you may want one of these : http://www.vantecusa.com/en/product/view_detail/470
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Accepted Solution

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Rachel Sharpton, M.A. earned 0 total points
ID: 40544768
Thanks everyone, but apparently after taking it to a shop (to test it against working hardware), it appears that the new PSU I bought was DOA. Ugh. Gonna have to RMA that. Thanks everyone for their suggestions!
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Expert Comment

by:nobus
ID: 40544834
don't forget that the dying PS may have damaged the rest also
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Author Comment

by:Rachel Sharpton, M.A.
ID: 40544840
Nobus, yes. I made sure the hard drives were properly tested. Everything appears to be in order.
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Expert Comment

by:nobus
ID: 40544862
ok then - i hope you don't have more troubles
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Author Closing Comment

by:Rachel Sharpton, M.A.
ID: 40933966
Solution was found outside of Experts Exchange.
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