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May be noobish question

Last response: in Storage
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March 26, 2012 11:11:51 AM

hey guys,

about a month ago i got an ssd to chuck into my existing computer, installed everything etc.

i was reading a bit and that i shouldve changed from ide to ahci mode or something. i didnt do this (unless it did it automatically) and wondering if it matter too much or should i change it.

so i changed the reg, restarted into bios and changed from ide to ahci. upon restart it installs the marvell 91xx sta 6g controller but the ata channel 1 and 0 fail and says device unplugged.

my drive seems to be a lot slower than normall (this started happening maybe a day or 2 ago?)

is the cord plugged into the wrong spot or?

More about : noobish question

a b G Storage
March 26, 2012 12:35:04 PM

you cant change between ide and ahci witout re installing the os.
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March 29, 2012 11:15:01 PM

ok you can close this thread, i changed the wrong controller thing and its all fine. delete/close thread please :) 
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Best solution

a c 415 G Storage
March 29, 2012 11:51:22 PM

alvine said:
you cant change between ide and ahci witout re installing the os.
In most cases you can change the controller mode without reinstallation by tweaking the Registry as follows:

1) Run the Registry Editor (regedit.exe)
2) Navigate to Registry Key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci
3) Set the "Start" value to 0 (zero)
4) Navigate to Registry Key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Pciide
5) Set the "Start" value to 0 (zero)
6) Shut down
7) Start up again, but before Windows boots go into the BIOS configuration screens and change the disk mode to "AHCI". Save the new BIOS configuration and restart so that Windows boots.

When Windows starts, it will detect the change, load new disk drivers, and do one more reboot to start up with them.

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March 30, 2012 12:08:26 AM

Best answer selected by cheapshots.
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