HP Elite Book 840 g1: change the RAID on AHCI on Elitebook 840 g 1

I have an Elite book 840 g1. I'm changing to AHCI RAID and cannot get it done. I tried everything on the web regarding the registry settings and changes to the bios. Nothing has worked. Any suggestions?


Solution to change RAID AHCI on an HP EliteBook 840g 1

My EliteBook 840 g 1 does not have a CD/DVD drive, so I put my software available on a USB stick and this worked great.

1. back up your PC or important documents.

2 put the software available on CD/DVD or USB depending on one you plan to use.

3. close all programs and restart your PC.

-C' is where it gets difficult.

4. enter in the Bios by pressing the ESC key

5. make sure you change your boot order / put USB or CD/DVD first in order - depending on what you are going to use

6. once in the BIOS go to the 'Advanced tab' and then 'Device Configurations '.

7. go to RAID/AHCI and switch to AHCI

8 save the settings and exit.

-C' is where it gets trickier.

9. THIS CRITICISM IS - after save and exit the BIOS of the PC will start start - don't let it throw - back in the BIOS before it starts

10. once in the BIOS, go to the boot options and select the option that you put your software available.

11. now booting from USB or CD/DVD, you have your software available on

12. your PC will now go through the re-imaging process and when it's done, you'll be in AHCI.

13. you can check by going to "Device Manager" > double-click on ' controllers IDE ATA/ATAPI "and below you see"Intel 8 Series Chipset Family SATA AHCI Controller '.

14. He verifies that you are in AHCI

15 take advantage of the improved performance

The extent of the change RAID on AHCI by using registry settings I couldn't get it work. I changed the starting value of several channels (msahci, istorA, istorV, etc.) and couldn't make the change happen. From my experience, I had to reimage my PC for that change to AHCI RAID. If someone has a proven solution, changing to AHCI RAID in registry settings without having to do a reimage would be what they please report them.  Thank you and I hope that all this information is useful.

Tags: Notebooks

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