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SOLVED: My SSD's "TRIM feature is supported but disabled"?

TheEdge 6,058 1,686 February 17, 2013 at 12:52 PM
I recently installed a hard disk health software package on my computer. My SSD (OCZ Agility 4 ~256GB) has the following report:

"The status of the solid state disk is PERFECT. Problematic or weak sectors were not found.
The TRIM feature of the SSD is supported but disabled. It is recommended to upgrade the operating system, the disk controller or its driver to improve performance."

I'm using Windows 8, so I can't upgrade the operating system. According to a command prompt query (fsutil behavior query disabledeletenofity), TRIM is enabled in the OS (it said 0 which suggests it is enabled and Windows 8, from what I understand, should recognize an SSD automatically and enable TRIM support).

So that leaves my disk controller -- which I assume is the INTEL ICH8R/ICH9R/ICH10R/DO SATA RAID controller as listed under "storage controllers" in my device manager. If I right click on it and tell it to update the driver software, it says it has the latest. Any suggestions? Am I doing something wrong? Is my hardware archaic to the point where I can't take advantage of the TRIM function? It's just a SATA2 controller if that helps/makes a difference.

EDIT: I just booted into my BIOS and noticed I had the drive controller set up as RAID (as opposed to IDE or AHCI). If I have it setup as AHCI, I eventually get a BSOD on startup (the Windows 8 friendly version of it complete with smiley face, etc.).

Any way to get around this? From the little I know about it, TRIM isn't supported in RAID mode?

EDIT2: It looks like somebody had a similar issue to me with a Dell laptop computer (mine is an HP Pavilion d5000t if that matters). They resolved it with a few registry tweaks [microsoft.com] and then changing the BIOS to AHCI. I couldn't cause any permanent damage trying that, could I?

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#2
Quote from TheEdge View Post :
EDIT2: It looks like somebody had a similar issue to me with a Dell laptop computer (mine is an HP Pavilion d5000t if that matters). They resolved it with a few registry tweaks [microsoft.com] and then changing the BIOS to AHCI. I couldn't cause any permanent damage trying that, could I?
Save your registry first and make a restore point too, and no worries.
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Joined Apr 2006
Shreddin'
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#3
Quote from RockySosua View Post :
Save your registry first and make a restore point too, and no worries.
Cool. Just set a restore point and am going in. Smilie

I see it is named slightly different in 8 than in 7, but this should be easy peasy.

Thanks as always for your help. If I can rep, I will.
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Joined Apr 2006
Shreddin'
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#4
The registry key that I needed to change to 0 (based on an article I read) was already 0. There was another value/tree that I would have needed to delete completely.

That being said, I found an even easier way [superuser.com] (final post in the link). Tell the computer to reboot into Safe Mode (hold shift when rebooting from the Windows 8 "menu", select Advanced restart and then tell it to do safe mode). When your computer first comes back up, go into the BIOS, change the mode to AHCI then save and exit. When it boots into safe mode, it will boot fully (unlike before when you'd get the BSOD). Then just restart one more time and you're golden.

I now get the following.

"The status of the solid state disk is PERFECT. Problematic or weak sectors were not found.
The TRIM feature of the SSD is supported and enabled for optimal performance."


WOOT!
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