Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: AHCI : Enable in Windows 7 / Vista

03 Sep 2016   #610
atwnsw

Win 7 64 Bit Home Premium
 
 

I am frustrated beyond words trying to get AHCI enabled on my computer and could use your help.

Current Setup:
Dell Studio XPS 800
Win 7 Home Premium
Intel i5
Seagate 1TB HDD (Only about 50% used)
6GB Ram

My goal is to move everything to my new Samsung 850 Evo 1 TB SSD since my machine is older...
I have purchased the Samsung drive, mounting adapter and transfer cable but cannot get AHCI option
to appear in my BIOS.

After spending countless hours on what I thought would be a seemingly simple project I am ready to go postal.

I have done the regedit changes from 3 to 0 for the mcachi + mcachi and IastorV + mcachi+ Iastor + IastorV without success.

Then I read the my computer runs an Intel P55 controller which (I am lost at this point) means that I have to run Intel RST to be able to activate AHCI. However when I run the Intel RST I get a message that the platform isn't supported....

SSD install on XPS Studio 8000 ( no AHCI in BIOS ) - General Hardware - Desktop - Dell Community
xps8000 and SSD drive - General Hardware - Desktop - Dell Community


https://downloadcenter.intel.com/dow...AID-Driver?v=t


I am chasing my tail and could use some help.

If you would be kind enough to help me I would gladly pay you via paypal $25 or $50 for your time.
My spam email address is tampaone@gmail.com if you want to chat offline.

Thank you.

Anthony


My System SpecsSystem Spec
.
03 Sep 2016   #611
spokey

Windows 7 32-bit
 
 

I had a similar problem with an older desktop. I was also at wits end. It appeared to that I had done everything right but no AHCI.

If you haven't tried this, look to see if you can do a chipset update. I could turn on AHCI in win 7 (pro in my case) and in the bios but (if I recall correctly), the machine would start booting and then stall. Turn it off in the bios (not in windows) and it booted fine. Updating the chipset (again chipset, not bios) did the trick. After that, everything worked fine.

If you're stuck not using the machine, what I did was to install their magician software to run once a day until I had this solved.
My System SpecsSystem Spec
03 Sep 2016   #612
atwnsw

Win 7 64 Bit Home Premium
 
 

Quote   Quote: Originally Posted by spokey View Post
I had a similar problem with an older desktop. I was also at wits end. It appeared to that I had done everything right but no AHCI.

If you haven't tried this, look to see if you can do a chipset update. I could turn on AHCI in win 7 (pro in my case) and in the bios but (if I recall correctly), the machine would start booting and then stall. Turn it off in the bios (not in windows) and it booted fine. Updating the chipset (again chipset, not bios) did the trick. After that, everything worked fine.

If you're stuck not using the machine, what I did was to install their magician software to run once a day until I had this solved.
I did the chipset upgrade previously and have the latest....Thanks anyways....
Still stuck in purgatory.....
My System SpecsSystem Spec
04 Sep 2016   #613
DocDJ

Windows 7 Pro 64-bit
 
 

It's been a LONG time since I did this, but here's what I remember:
There are prep 2 steps:
  1. Update the registry to ENABLE the AHCI mode. This has to be done via regedit.
  2. Change the access method in BIOS for that drive to AHCI
They MUST be done in that order. THEN you can attach the drive and it should boot.
You can do step 1 on your old drive, then clone your OS (with the registry change) to the SSD, then do step 2.
My System SpecsSystem Spec
.

04 Sep 2016   #614
spokey

Windows 7 32-bit
 
 

Quote   Quote: Originally Posted by DocDJ View Post
It's been a LONG time since I did this, but here's what I remember:
There are prep 2 steps:
  1. Update the registry to ENABLE the AHCI mode. This has to be done via regedit.
  2. Change the access method in BIOS for that drive to AHCI
They MUST be done in that order. THEN you can attach the drive and it should boot.
You can do step 1 on your old drive, then clone your OS (with the registry change) to the SSD, then do step 2.
I assumed he has done that. I had done that when I had the problem. Everything looked cool except it didn't boot. No explanation and if I remember correctly, it would begin booting. I think I might have even gotten the four coloured panes. But then a black screen and nothing else. Having updated the chipset (not bios), then viola, just started working.
My System SpecsSystem Spec
12 Sep 2016   #615
LilBro

Windows 7 Home Premium 64
 
 

Registry edits don't work in my HP Pavilion A6400f, Award BIOS 5.43, ASUS IPIBL-LB mobo.
On restart Windows logo doesn't even get one pane completed before the system reboots.
My System SpecsSystem Spec
Reply

 AHCI : Enable in Windows 7 / Vista




Thread Tools




Similar help and support threads
Thread Forum
Enable and/or Disable AHCI
I hope I am not duplicating something here. . . . I did look - Honest! I ran into an interesting problem and found an easy fix. First: I wanted to ENABLE AHCI because (supposedly) it improves HDD performance. (It also enables a host of other interesting features.) I discovered the...
Hardware & Devices
How to Enable AHCI - No option in BIOS.
Hey All, I'm purchasing a new SSD next week. I've been reading up on it and it looks like I need to enable AHCI in my BIOS. I can't find any option for AHCI though. I currently have my System setup as RAID0. This was how it was set up in the factory and I haven't changed it. The only...
Hardware & Devices
AHCI : Enable in Windows XP after OS install
For info on other OS's take look here: https://www.sevenforums.com/tutorials/61869-ahci-enable-windows-7-vista.html You can use this method on Legacy BIOS or uEFI/BIOS firmware. For this example I am using a PC with uEFI/BIOS firmware & Secure Boot DISABLED. With a Intel Chip Set. ...
Tutorials
enable AHCI in Windows 7
hi... i found several tutorials to enable the AHCI-driver in win7/vista but the registry keys don't match mine... the tutorial is as following: 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...
Hardware & Devices
Windows 7...>SSD....Enable AHCI B4 Installation
Okay I plan on doing a clean install of Windows 7 on my laptop. I have an SSD from crucial. I know that I need to enable AHCI BEFORE I start the installation of Windows 7...correct? Now....I saw this Intel website in regards to AHCI. Intel® Rapid Storage Technology — Configure the...
Installation & Setup
AHCI to Enable or Not?
Hi, I am using a HP Pavillion 180t computer with Window 7(SP-1), IE9 RC. 12GB Ram, Quad Core i7, 3.33Ghz. I do not have AHCI enabled based upon the Tutorial to do so. Would enableing AHCI be of value to me? If so how? Any help appreciated.
Performance & Maintenance


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd

All times are GMT -5. The time now is 16:23.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App