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Internal hard drives not detected by Windows


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7 replies to this topic

#1 KPryor

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Posted 27 December 2016 - 11:06 PM

Hello all,

 

My computer, an I7-920 running Windows 7 has suddenly stopped detecting two of my internal hard drives. It detects the C: drive, but two other SATA drives lettered as G: and M: aren't seen until I open disk management and have it re-scan disks. I check the BIOS and the drives are seen there, but Windows isn't picking them up at boot. Any thoughts on what might cause this or how to fix it?

 

Thanks!
Ken


Edited by KPryor, 27 December 2016 - 11:06 PM.


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#2 Wolverine 7

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Posted 29 December 2016 - 01:25 PM

See if this helps

 

http://ccm.net/forum/affich-32218-2nd-sata-hard-drive-not-shown-on-my-computer



#3 Luxi_Terna

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Posted 30 December 2016 - 08:51 AM

 

Not a good link to give!  The very first words of advice in that link are "You need to format the drive".

 

If this guy is new, he might do it.

 

Kpryor:

 

► Replace the SATA data cable (or swap with another drive). Yes, they do magically go bad. I've seen it twice.

 

► Go into BIOS setup and see if it can see the drive. That's a major decision point for solution advice.

 

► Even if the BIOS doesn't see it, you can very likely read it with a USB external HDD connector (like, 20 bux). It uses an entirely separate execution path to access the drive.

 

Yes, yes, I know: when I first saw that in a Chinese guy's YouTube vid, I said, "Aww, bulls hit\." too.  But while I was away for a month, one of the guys in this group house screwed with my PC, dropped it, and killed the data and backup drives. One of them was dead and the other spun up, but was invisible. I needed to pull data off it to a replacement drive and to my amazement, it worked. Use USB3.

 

► Pick up the running drive and see if you feel gyroscopic resistance when you rotate it. If not, the drive is dead. However:

 

► Another solution that has worked for me involves the fact that for 2/3 of unreadable drives, the fault is the electronics on the controller card (which is screwed to the bottom of the drive). The odds improve greatly if the drive spins up (without going "click-click-click"). You can get used controller PCBs on eBay.

 

In a repair shop I worked at, we had a HUGE pile of bad drives. I raised many of them from the dead like they were TWD walkers by merely swapping controller boards with an identical drive. We sold them as used. The disreputable owner also put them in new system builds. He did a lot worse stuff too, like sell fake cache chips.

 

BTW, never give a drive with porn on it to a repair shop unless you want to be embarrassed. The guys invariably did a DIR /s *.jpg from root to find stuff to add to their own collection.

 

-Lux


Edited by Luxi_Terna, 30 December 2016 - 08:59 AM.


#4 shadow_647

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Posted 30 December 2016 - 09:06 AM

 

BTW, never give a drive with porn on it to a repair shop unless you want to be embarrassed. The guys invariably did a DIR /s *.jpg from root to find stuff to add to their own collection.

lol funny, my self when i fix a system i don't ask questions as to what you have on your drives.



#5 Luxi_Terna

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Posted 30 December 2016 - 09:18 AM

They didn't ask questions either; they just copied the yank fuel. The embarrassment comes, not from them saying anything, but from realizing what they might have seen after you get it back.  I guess sometimes, ignorance really is bliss.

 

I said it was terrible until I got curious and searched for videos. Then I started copying, too. I don't know where people get some of this stuff.


Edited by hamluis, 30 December 2016 - 11:37 AM.


#6 Wolverine 7

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Posted 30 December 2016 - 11:09 AM

Not a good link to give!  The very first words of advice in that link are "You need to format the drive".

 

If this guy is new, he might do it.

 

Well i take your point,but newbies on this site usuallydont do anything without checking 9which is a good thing)

 

I assumed he,d get the bit i meant (wasnt concentrating fully due to a stinker of a cold) but thank you for pointing it out dear heart :thumbup2:



#7 KPryor

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Posted 30 December 2016 - 08:12 PM

I will change out the SATA cables and see if that helps. I'll let you know how it goes. Thanks for the replies!

 

Ken



#8 JohnC_21

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Posted 30 December 2016 - 08:53 PM

Another thing you may want to look at in addition to the previous excellent advice.

 

If you have a UEFI motherboard disable Quickboot or Fastboot in settings. They may or may not be there.


Edited by JohnC_21, 30 December 2016 - 08:54 PM.





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