How to enable AHCI in Windows 7 RC after installation

How to enable AHCI in Windows 7 RC after installation

  
AHCI (Advanced Host Controller Interface) enables native command queuing and hot-plugging through SATA host controllers (Serial-ATA) for your hard drives. In many scenarios, it enables more efficient multi-tasking. Vista was the first Windows OS to support AHCI out of the box, whereas Windows 7 does the same. But an issue with AHCI is that if you install the OS without enabling AHCI in the BIOS, enabling it after installation will render your OS unusable. This is because Windows disable the AHCI driver since it is not needed during the installation.
There is one way to fix this, although you need to have knowledge of registry editing. The detailed steps from Microsoft are as follows:
To resolve this issue, enable the AHCI driver in the registry before you change the SATA mode of the boot drive. To do this, follow these steps:
  1. Exit all Windows-based programs.
  2. Click Start, type Regedit in the Start Search box, and then press ENTER.
  3. If you receive the User Account Control dialog box, click Continue.
  4. Locate and then click the following registry subkey:HKEY_LOCAL_MACHINESystemCurrentControlSetServicesMsahci
  5. In the right pane, right-click Start in the Name column, and then click Modify.
  6. In the Value data box, type 0, and then click OK.
  7. On the File menu, click Exit to close Registry Editor.
After this you’ll have to restart your computer, go to BIOS and enable AHCI. When you log in to Windows again, you’ll notice the installation of drivers for AHCI. Another restart will be required to finish the driver installation.enable ahci in Windows 7
I’ve simplified the steps by Microsoft by exporting the registry key. Just download the following file and run it. You’ll still need to go through the steps of restarting your computer and enabling AHCI in the BIOS.
Hopefully, you’ll find a somewhat noticeable improvement in multitasking, especially if you’re a notebook user. Of course with the variety of PC hardware, experience many vary.
Disclaimer:
Beware, though, you’re responsible on your own for messing around with the registry. This guide comes with no warranties if your computer blows up, gets angry at you, stops working or just shows a Blue Screen of Death.
 

 

Comments

Post a Comment

Popular posts from this blog

7 free alternatives to Microsoft Office you can consider

Image
  7 free alternatives to Microsoft Office you can consider Microsoft Office is one of the most-popular productivity suites globally. It is used by companies worldwide for spreadsheets, Word, PowerPoint and more. However, it really does not come cheap. if you are are looking for some more affordable/free alternatives, here are seven that you can look at:   Google Workspace Google Workspace is one of the most popular alternatives to Microsoft Office. It is free and offers users 15GB of cloud storage for storing files, mails, attachments and more. Workspace includes several Google apps and services including Google Docs, Sheets, Slides as an alternative to Word, Excel and Powerpoint. It also includes Google Drive, alternative for Microsoft OneDrive.   iWork is another good free alternative to Microsoft Office, but it is best suited for Apple users (Mac, iPhone and iPad). There’s a web-version too, but it has limited functionality. In terms of Apple iWork offers Pages, Number...
Read more

Meet Chrome OS Flex, Google's new way for Desktop Computing

Image
 Meet Chrome OS Flex, Google's new way for Desktop Computing Is that an old Windows system or a current Chrome OS computer? Google's getting ready to blur the lines of desktop computing in some seriously shape-shifting ways.   Google's Chrome OS platform has come a ridiculously long way in an incredibly short time. Back when it launched in 2010 , Chrome OS truly was just a browser in a box — a dead-simple operating system designed to act as a portal to the web and not much more. The software had no desktop, no task bar, and barely even anything in the way of settings. It was essentially just a full-screen browser window — and that's it. Fast-forward to 2022, and Chrome OS is a fully featured and impressively polished computing solution. Between the platform's ongoing expansion and the rapid evolution in how we all use computers, Chromebooks are now a genuinely practical and often advantageous option for business, personal, and education-related use. Th...
Read more