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Windows 7: can't get AHCI to work again

02 May 2014   #1
RavenousSix

Windows 7 Ultimate X64
 
 
AHCI won't work again after running AMD Clean Uninstall Utility

So I made the mistake of using the AMD Clean Uninstall Utility, which removed my chipset/audio/video drivers.

I had Windows 7 X64 Ultimate working perfectly with AHCI and I ran AS SSD which showed msahci was running 4k aligned and getting the maximum speeds.

However after I ran the AMD Clean Uninstall Utility now I can only boot in IDE mode. The Standard AHCI 1.0 Serial ATA Controller is no longer there.

My windows gets stuck on the boot logo if I try to set my hard disks to AHCI mode in bios. It only boots if I put it back to IDE mode. I do set the boot drive as the initial drive to avoid BOOTMGR errors and it always starts to boot, it just doesn't go past the boot logo in AHCI mode and it boots fine in IDE mode.

I ran driverquery in the command prompt and it says mshaci is loaded:

msahci msahci Kernel 11/20/2010 3:33:58 AM

So why does my system get stuck at the boot logo if I set the bios to AHCI? If I switch back to IDE the system boots.

If I try to boot it in safe mode the last system file that loads is CLASSPNP.SYS and the next file that is supposed to load after never does and it gets stuck at this spot.

I'm writing this message from the same machine, booted in IDE mode perfectly, just can't get AHCI to work again.

Windows 7 x64 Ultimate, AMD Phenom II X4 20 CPU, Gigabyte GA-MA790XT-UD4P motherboard.


My System SpecsSystem Spec
.
02 May 2014   #2
OvenMaster

Win7 Pro 32bit; Zorin OS 9 Core (in VM)
 
 

Did you alter your Registry accordingly? Setting the BIOS to use AHCI is only half the puzzle!
AHCI : Enable in Windows 7 / Vista
My System SpecsSystem Spec
02 May 2014   #3
RavenousSix

Windows 7 Ultimate X64
 
 

Quote   Quote: Originally Posted by OvenMaster View Post
Did you alter your Registry accordingly? Setting the BIOS to use AHCI is only half the puzzle!
AHCI : Enable in Windows 7 / Vista
Yep of course, set msahci to 0 in registry.

I had it working perfectly by doing that, I just ran the AMD Clean Uninstall utility and it removed all device drivers for everything and after I rebooted it booted once, installed AHCI and never again.

It won't boot in AHCI mode anymore only PCIIDE.
My System SpecsSystem Spec
.

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 can't get AHCI to work again




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