Boot issue with ahci mode using hitachi deskstar 1tb

ZeroExistancE · Sep 30, 2014

I recently purchased a samsung ssd 840 evo 120gb for my o/s went throught the installation all was well.

After some reveiwing i decided to make the switch to ahci.

I followed the regedit guide and restarted. Made the change in bios and now wont recognise the hitachi drive in post and crashes out. If i unplug the drive and boot i get to windows with no issues. I can the plug the drive back in and all is well.

If inswitch back to ide it posts and boots no problems.

I have tryed swpping the sata ports and still same issue.

I have borrowed a samsung spinpoint 1tb and it posts and boots in ahci no issues.

Some may laught at my rig but its mine and i build it

Motherboard is a asus p5ql-epu

Paul NZ · Sep 30, 2014

You should change it to AHCI before installing windows not after. Some reg fixes MAY fix it others dont. I would reinstall it if you want to use the SSD

ZeroExistancE · Sep 30, 2014

My issue is that even if I wanted to a complete reinstall, it wont post the hitachi drive plugged in in ahci.

jitpublisher · Sep 30, 2014

You don't need to boot to the hard drive to do a reinstall, you need to boot to the install disk, anyhow, you may need to install the ACHI driver, since you didn't do the first install with AHCI mode turned on, the AHCI driver may not be installed.

Major_Trouble · Sep 30, 2014

Turn off PC
Unplug your HDD
Install the SSD
Boot into BIOS
Change to ahci mode
Set SSD as boot drive
Reboot
Install your OS
Turn off PC
Plug in you HDD
Boot into BIOS
Confirm SSD is still set as boot drive
Start OS

ZeroExistancE · Sep 30, 2014

sorry im not explaining my self well.

on post it detects HDD, optical, and other installed devices.

if I plug the HDD in in AHCI it doesn't pass.
but set as IDE it works fine

its not the boot to windows its to pass post

Major_Trouble · Oct 1, 2014

Have you tried unplugging your optical drive (sata?). It could be throwing things out.

Also if your computer is trying to boot from the HDD and Windows was installed out of ahci mode it will fail to boot like you are experiencing. Check it's booting from the SSD with Windows installed in ahci mode.

You might want to try different sata ports for your drives.

ZeroExistancE · Oct 1, 2014

This is now sorted.

Bit the bullet and did a full re-install and fully formated the drivenand all,is now working.

Thanks formthe help guys

Major_Trouble · Oct 2, 2014

Glad to hear that.

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Boot issue with ahci mode using hitachi deskstar 1tb

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