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I have a quick question. I am a bit anal about what I run on my Mac, tend to use the apple apps (aperture/terminal) rather than alternatives (Picasa/iterm2) because I like to make sure I'm running safe software.

It sounds a bit tinfoil hat, but as a developer I know there is alot of bad code out there.

I have never hacked about with OSX and as a result I have had a seemless experience through the years, with nearly 0 issues.

Trim enabler has brought my SSD back to life performance wise, but i'm a little concerned that it may be interfering with important system kexts and files.

Do you think TE is safe to use / wont corrupt OS X or the system?

Thanks, John

  • I've described in the following question apple.stackexchange.com/questions/88230/… how Trim Enabler works and which file it modifies. It won't corrupt your system as it only modifies one specific kernel extension. – Chrisii Sep 18 '13 at 11:22
  • so you think it can be completely trusted, and makes purely benign changes that would not impact the system in any adverse way for performance or stability or integrity? – Woodstock Sep 18 '13 at 11:34
  • Please also add as an answer and I will mark as correct – Woodstock Sep 18 '13 at 11:40
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I've done it by

  1. checking is it active or not (Apple logo on the top left > About this Mac > System Report > on the left hand side SATA/STA Express > then check the drive which you want to enable TRIM Support Yes or No "By build in Apple SSD by default is active by Self service by default it's in active)

  2. Open Terminal

    sudo trimforce enable

enter password

Then it will ask you are you sure and then Y for Yes then again it will ask you are you sure to enable this then again Y for yes

After a while MacBook will reboot and check by Step 1 Trim is enable.

  • No worries...just trying to help out :-) and Welcome to Ask Different. Gave you an upvote for a good answer...you're on your way! – Allan Oct 15 '16 at 23:15
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I've described in the following question How does TRIM Enabler work? how Trim Enabler works and which file it modifies. It won't corrupt your system as it only modifies one specific kernel extension. -- Chrisii

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