Win7 won't boot. I/O error, though boot SSD is accessible if plugged into another PC

PMac85

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Dec 1, 2013
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As the title suggests; I'm unable to boot my PC, and get an I/O error.

At first I figured my 1 year old 840 EVO SSD had failed (This is my system drive), but I hooked it up to another PC, and there seems to be no issues with it (No corrupted files, errors accessing it etc.)

I've tried booting with the system repair disc I created (With the PC in question shortly after building it around 14 months ago), and it says it's not compatible withe the version of Windows I'm trying to repair, even though it was created with the same version of Windows.

I've also tried booting with all of my other HDD's and BR drive disconnected, and get the same error.

My SSD is detected in the UEFI menu, as well as all of my other drives.

The majority of my data is stored on my other HDD's, and I have a backup of my user folder from last weekend on one of them, but all of my application data and app installs are on my system SSD, so I'd rather not have to reformat (I can't even boot into Windows, and I'm not even sure if I'll be able to reinstall from a disc very easily, since I get the error right after my boot logo).

Any suggestions on what to try next? I left my computer on, and went out today. When I got back the screen saver was on, and when I moved the mouse I was returned to my desktop. I clicked on Google Chrome and it opened, but then my PC froze, so I did a hard reset and was greeted with the I/O error. Strange thing is, it doesn't seem to be a failed drive (I haven't tested my other 4 drives on another PC yet, but when I tested my system SSD, everything seemed fine),

Here is a link to my system specs (Win7 64bit):

http://ca.pcpartpicker.com/b/ZnCypg
 
Solution
I managed to get Windows 10 installed. It looks like somehow a bunch of my files got corrupted; when I try to copy them out of Windows.old, I get an I/O error on some of the files. I'm not sure what exactly happened, but I'm just going to try and save as much as I can. It looks like I'll have to reinstall all of my applications after all. I'm just happy my C# projects, documents and Photoshop folders were backed up... After many system failures over the years, I never underestimate the value of redundancy! Backup your stuff people! At least the only things I'll lose are replaceable.

PMac85

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Dec 1, 2013
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So I've tried another SATA cable, and it didn't have an effect. I've also double checked the boot order, and my SSD is at the top of the list. I've tried unplugging everything, and it asks me to insert boot media, but I'm not sure what I was supposed to accomplish by having no disks connected to my PC. Any other suggestions? I'm at a loss for ideas right now...
 

PMac85

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Dec 1, 2013
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Somehow I managed to get my system repair disc to run this time, and it detected my Windows installation and finished the "repair" with no errors. When I rebooted my PC I was greeted with the same error...

"Windows has encountered a problem communicating with a device connected to your computer.

This error can be caused by unplugging a removable storage device such as an external USB drive while the device is in use, or by faulty hardware such as a hard drive or CD-ROM drive that is failing. Make sure any removable storage is properly connected and then restart your computer.

If you continue to receive this error message, contact the hardware manufacturer.

Status: 0x00000e9

Info An unexpected I/O error has occurred."

I've quadruple-checked all the connections, and checked that everything was listed correctly in my UEFI settings, and even with my startup repair disc; everything SEEMS normal. I have no idea where to look next.
 

eatmypie

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Sep 12, 2013
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disconnect everything but keyboard mouse and monitor''' That normally means just disconnect anything connected externally not sure where you got the idea of disconnecting your boot drive also. plug your SSD back in and try again.
 

PMac85

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Another thing I was thinking of trying, was to use a Windows 10 USB key I have to (Attempt to) upgrade to Windows 10, and if successful, use the option to revert to the previous version of Windows from within Win10. Does that sound like a decent idea? I'd like to try everything possible before reformatting...
 

PMac85

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Dec 1, 2013
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I managed to get Windows 10 installed. It looks like somehow a bunch of my files got corrupted; when I try to copy them out of Windows.old, I get an I/O error on some of the files. I'm not sure what exactly happened, but I'm just going to try and save as much as I can. It looks like I'll have to reinstall all of my applications after all. I'm just happy my C# projects, documents and Photoshop folders were backed up... After many system failures over the years, I never underestimate the value of redundancy! Backup your stuff people! At least the only things I'll lose are replaceable.
 
Solution