Should i enable ahci in windows 7

To do this, follow these steps:. If you receive the User Account Control dialog box, click Continue. In the pane on the right side, right-click Start in the Name column, and then click Modify.

In the Value data box, type 0, and then click OK. On the File menu, click Exit to close Registry Editor. During the Windows 7 or Windows Vista installation process, any unused storage drivers are disabled. This behavior speeds up the operating system's startup process. When you change the boot drive to a driver that is disabled, you must enable the new driver before you change the hardware configuration.

For example, assume that you install Windows Vista or Windows 7 on a computer that contains a controller that uses the Pciide.

Therefore, the drive must now load the Msahci. However, you must enable the Msahci. Then power cycle the UltraBay II with the drive still attached and you'll see that nothing has actually been written to it.

Windows caching is what was being displayed. Glendale Dr. Written By:. I've never had it hurt any. But i don't usually see WD drives.

Knox , Jan 19, I notice a speed increase with AHCI on all my drives. On real world transfer speeds instead of benchmark tests. Plus, having NCQ makes it even better. So who else tested this in regular HDDs? I have win xp and win7, dont want to mess up WinXP..

TheHunter , Feb 7, Performance depends on your drive controller and drives. In my case enabling AHCI introduces awful stuttering with all of my drives and essentially makes the machine unusable. After two days of internet digging and countless failed experiments of all suggested methods, found a simple solutions by myself.

Make sure you know how to enter Bios Setup before entering windows ie: by disabling secure boot, etc. I do have similar problem, but another way! What should be done? Your email address will not be published. Skip to content Advertisement.

Contents hide. In Windows 7. In Windows 8 and Windows 8. Option two. Support us Winaero greatly relies on your support. Is there a similar trick to switch 8. Some Group Policy trick should have.