PC cannot detect the Hard Drives sometimes

davidxy · May 27, 2013

Hello,

Recently, my desktop PC cannot detect the Hard Drives sometimes. Every time when I turn PC on, the BIOS cannot detect the Hard Drives. However if I turn it off and then turn it on again, it can detect the Hard Drives after several tries. After the PC is turned on, everything works fine.

My desktop PC is Compag Presario SR1710NX. I upgraded its CPU, added RAM, added another SATA Hard Drive, and added a Video Card long time ago. The problem started recently, but I didn’t change anything in this PC recently.

Does anybody have any idea about this problem?

Thank you,

David

ingtar33 · May 27, 2013

well...

4 possible answers

1) dying hard drive
2) your PSU is dying/too small for the system
3) your motherboard is dying
4) the cable is faulty

take your pick

Solandri · May 27, 2013

About 90% of the time I've seen this problem, it's a bad SATA cable. After I switched to using the SATA cables with clips, I've almost never had the problem anymore.

http://www.newegg.com/Product/Product.aspx?Item=N82E16812270093

PyjamasCat · May 27, 2013

Have you got an external HDD or USB Drive plugged in?

I had a similar problem when I plugged in an external HDD. It seemed that the external HDD would take the Drive letter of my second (internal HDD) and the internal HDD would not show up. This might happen with other USB devices too. You may have to assign the drive letters for external devices.

jnkweaver · May 27, 2013

I had the problems with an SSD. I increased the time (in the bios) that the system searches for the hardware and now I don't have an issue (went from 0ms to 15ms)

davidxy · May 28, 2013

Thank you for all your responses! After having read all your responses, I am thinking that the motherboard in that PC is dying.

SamG97 · Oct 22, 2016

Hey,

I have also been having a similar problem with my new build, where out of no where my HDD would start running slow and then when I restart my PC it wouldn't show up in Windows or the BIOS. When looking in the BIOS I discovered the setting called Aggressive LPM support which was enabled by default. After reading about this setting it seems to be a method of power saving as it reduces the power to your HDD/SSD when they're not being used, I figured this setting may have had something to do with the issue I was getting so I disabled this setting and haven't had any problems since.

I know this thread is over three years old now and I doubt you would still have this problem but I thought I would share this information in case it might help someone with a similar problem.

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PC cannot detect the Hard Drives sometimes

davidxy

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ingtar33

ingtar33

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Solandri

Illustrious

PyjamasCat

Honorable

jnkweaver

Distinguished

davidxy

Honorable

SamG97

Reputable

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