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Installing a second hard drive in windows 7 machine and read/write is extremely slow

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February 7, 2014 12:42:07 PM

I took a 1TB WD Green hdd out of another computer and placed it in my current pc. The hard drive worked fine when I plugged it in. I decided to reformat it,deleting the old os and all data, and then I started having issues. I couldn't add anything or take ownership anymore, I decided to use dban drive wiper(quick erase, one pass) my computer ended up crashing after awhile im not sure when but it was probably after it was 75% done. I decided to say screw it and just deleted all the partitions. so now my drive was all unallocated space. I went to computer management and created a new simple volume. It formatted the hard drive (used quick format) and everything seemed fine. Once I started using it though everything was extremely slow. I copied files form my original hdd to the new one and transfer speeds were 400kb to 2 mb. I decided to disable quick format and do a regular format I did this twice and both times the computer crashed when it was about 90% done. (My SATA controller is also set to RAID even though I don't have a Raid setup, i never changed this so i assume its the default and doesnt really matter)

Anyone know what the problem might be? I want to use this as additional storage for now and I might put it in another computer and install windows on it further down the road.

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a b G Storage
a b $ Windows 7
February 7, 2014 1:23:46 PM

zobrem said:
I took a 1TB WD Green hdd out of another computer and placed it in my current pc. The hard drive worked fine when I plugged it in. I decided to reformat it,deleting the old os and all data, and then I started having issues. I couldn't add anything or take ownership anymore, I decided to use dban drive wiper(quick erase, one pass) my computer ended up crashing after awhile im not sure when but it was probably after it was 75% done. I decided to say screw it and just deleted all the partitions. so now my drive was all unallocated space. I went to computer management and created a new simple volume. It formatted the hard drive (used quick format) and everything seemed fine. Once I started using it though everything was extremely slow. I copied files form my original hdd to the new one and transfer speeds were 400kb to 2 mb. I decided to disable quick format and do a regular format I did this twice and both times the computer crashed when it was about 90% done. (My SATA controller is also set to RAID even though I don't have a Raid setup, i never changed this so i assume its the default and doesnt really matter)

Anyone know what the problem might be? I want to use this as additional storage for now and I might put it in another computer and install windows on it further down the road.


What is another option for sata controller in BIOS? It's possible that your PSU doesn't provide enough power for 2 HDDs.
Download hirene's boot burn on cd, boot from cd, under disk tools choose hdat, and check disk for bad sectors.
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February 7, 2014 1:48:08 PM

I thought that might be the case but I had this in the computer for about a month. I pulled the hard drive out of the old pc and put it in the new one. I had no problem moving large amounts of data between the 2 hard drives and my other external drive. (none of the OS files were touched on the old hdd). If it was a power issue, wouldn't I have had problems doing that?

the options for the sata controller in the bios are IDE, RAID, and AHCI
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a b G Storage
a b $ Windows 7
February 8, 2014 1:06:15 AM

zobrem said:
I thought that might be the case but I had this in the computer for about a month. I pulled the hard drive out of the old pc and put it in the new one. I had no problem moving large amounts of data between the 2 hard drives and my other external drive. (none of the OS files were touched on the old hdd). If it was a power issue, wouldn't I have had problems doing that?

the options for the sata controller in the bios are IDE, RAID, and AHCI


If you are using W7 or W8, put it on AHCI.
Well, if psu is pushed to limit, in time will happen this things. First check in what condition is your HDD.
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February 15, 2014 2:31:57 AM

hdat on hiren's boot cd didn't work, it was missing a file. I used something else, The hard drive ended up having bad sectors on it, is there any way to fix that or is the thing pretty much shot?

Also I put it on AHCI and windows didn't work. I looked it up for myself and it seems like a simple fix, I'll get around to changing it soon but Im not in a rush since I have no problems with the RAID setting. Thanks for the help!
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