Secondary SATA HDD's Becoming Inaccessible on Use

chrisdayt

Honorable
Oct 6, 2013
2
0
10,510
I have 4 drives in my computer, an 80 gig SSD with my OS, 2 500 gig SeaGate ST3500411SV HDD's, and a DVD drive.

My ST3500411SV drives are causing me numerous problems, because whenever I try to use them they become inaccessible 99% of the time. This includes writing to them, reading from them, or un-zipping .zip's. In fact, the only time they really seem to work is when whatever file I am reading from or writing to them is very small, usually <100 megabytes.

I was originally advised by someone that my power supply could be failing or simply just not cutting it when I am trying to use more than one drive, so I purchased a new power supply. I went from 500 watts to 630 watts. There was no change.

A ran SeaGate's SeaTools program and ran the full-length tests on both drives, both of which passed, so I don't think there is anything wrong with the drives themselves.

Any help here would be appreciated, and if there is any more information I could supply I would be more than willing.

Edit: If one of the drives becomes inaccessible, upon forcing a restart it vanishes altogether. It will stay vanished until I turn my computer off, and then on (not restarting it, but rather letting it completely power down for a second).
 
Solution
No point in testing Ubuntu since you already reformatted.

At this point:
a) swap SATA cables for ones KNOWN to work
b) Try HDD in a different PC (can use a USB mount/case if you have one)
c) Try your existing PC with a different SATA controller if you have more than one (see motherboard manual). For example, if your HDD is connected to a BROWN connector pick a Red one.

d) Can try a MOLEX->SATA power connector to see if it's your PSU's SATA connector, or USB case for your PC as it will get power via the AC adapter instead.

It may be an issue with your cables, power, HDD's or motherboard SATA controller.

I tend to doubt the cables and HDD's themselves since you appear to have the problem with both drives. That makes me suspect the...
It would help if you could test a drive in a different PC.

If BOTH HDD drives have issues it make me suspect:
a) Motherboard, or
b) driver/software problem in Windows.

Another easy test is to create an Ubuntu Live DVD then boot and run from the DVD and see if your HDD's can be accessed more easily. Try copying files from one to the other from within Ubuntu.

If the HDD's work fine in Ubuntu then it's likely a Windows software issue which could be complicated. In that case I'd recommend reinstalling Windows, the Main Chipset motherboard drive, other drivers..
 

chrisdayt

Honorable
Oct 6, 2013
2
0
10,510


I've actually reformatted and changed versions of windows to see if it was possibly windows, so I really doubt it is at this point.

I'll see about getting Ubuntu and possibly testing my drives in another computer.

I thought possibly it was the cables, though I doubt they would even be working this well at this point?
 
No point in testing Ubuntu since you already reformatted.

At this point:
a) swap SATA cables for ones KNOWN to work
b) Try HDD in a different PC (can use a USB mount/case if you have one)
c) Try your existing PC with a different SATA controller if you have more than one (see motherboard manual). For example, if your HDD is connected to a BROWN connector pick a Red one.

d) Can try a MOLEX->SATA power connector to see if it's your PSU's SATA connector, or USB case for your PC as it will get power via the AC adapter instead.

It may be an issue with your cables, power, HDD's or motherboard SATA controller.

I tend to doubt the cables and HDD's themselves since you appear to have the problem with both drives. That makes me suspect the SATA controller first and power second.
 
Solution

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