[BIOS] Can't Boot From CD-ROM In AHCI Mode
Feb 9, 2011
I'm trying to do a startup repair of Windows 7 x64 on an SSD but can't boot from the CD-ROM while in AHCI mode. I have set CD-ROM at the top of the boot order in BIOS but this is just ignored and the computer boots from the SSD with the knackered version of W7x64. I read somewhere that when in AHCI mode, the BIOS boot order may include "CD-ROM" but it's not the real device anymore. I tried looking for the CD-ROM by its manufacturer name in the list under Hard Drives but it's not there either.So just how do I go about booting from the CD-ROM in AHCI mode? No problems booting if I set the BIOS back to IDE mode, install Windows 7 and then do the registry hack to install the AHCI drivers, but I'd like to be able to boot from the CD-ROM in AHCI mode.
P.S. I have a Gigabyte GA-MA78GM-US2H motherboard and am using the latest BIOS version (F9D)
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Jan 6, 2009
anyways, my main drive is a RAID 0 with Vista x64, but I have a second HD that is a SATA 250GB, which I installed Windows 7 on. The only way I could get install to work was to switch my BIOS to IDE mode rather than RAID. I would of course though, like to be able to access my Vista drive from Windows 7 (and more importantly, not have to switch between IDE/RAID mode at all in the BIOS, it's a pain).
Now, the one odd this about this all is that the drivers I have for Vista (x86/x64 drivers) for this mobo's RAID controller WORK when loaded on installation to identify and install to the drive, but seem to not load or not work in any way once the first reboot on install occurs. Maybe this is because I installed from within Vista x64, though.
(Incedentally, my motherboard is an M3A Asus, using ATI's SB600 for a RAID controller)
I've tried loading the drivers from within Windows 7 while in IDE mode, but the install program won't let me. At first it didn't allow because of version restrictions, but then I altered the ini file to get around that, but it encounters some sort of error when installing and quits.
Any help that can be offered, would be grateful. I realise it's a beta and not a real release, so I can get past the BSOD from my odd setup, and I really am enjoying playing around with it so far. Very very impressed.
Edit: Just in case anyone thinks of suggesting me to right-click the inf file and install that way, already tried, won't allow for it.
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Mar 31, 2012
My motherboard is a Gigabyte Z68XP-UD3 Revision 1.3, my OS is Windows 7 Professional 64 bit, my HDD is a Seagate 1.5tb, and my SSD is an OCZ Agility 3 60gb.
So i was using Intel Smart Response technology with my SSD for SSD caching, everything was pretty much working fine. The other day i flashed my bios using @BIOS without properly disabling my smart response configuration, which i probably shouldn't have done and i won't do again. When i rebooted, Intel Rapid Storage technology was acting up and when i tried to open it, it said "IAStorUI.exe has stopped working". After that, i uninstalled the program and tried to re-install it, but during the install it said "This computer does not meet the minimum requirements for installing the software." After a little research, i found out that it meant that my bios was set in IDE mode instead of ACHI mode. I am not sure what the mode was before i flashed my bios, but it was probably some sort of raid that it used for SSD caching. When i went into the bios and switched from IDE to AHCI, windows would blue screen after performing a few seconds of the boot logo. I switched back to IDE, and did some research to find out about the "Start" registry in HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesmsahci. I switched that from 3 to 0, and windows was able to boot into AHCI mode and automatically got drivers. Then, i tried re-installing Intel Rapid Storage technology. It was able to install, and i rebooted my computer. It blue screened again on the same part of the boot logo as before. I had to switch back to IDE mode to get it working again. Then, i got new chipset drivers from Intel's website, which didn't help. The registry that i changed is still set to zero, but it just won't successfully boot with AHCI like it did the first time i changed the registry. I am very stumped and i dont know what i could do to make it work like it did before i flashed my bios. My friend recommended that i should reinstall windows, but then i would have to go through the trouble of getting everything back and i think there should be some way of doing this without reinstalling the os.
The bottom line is that windows blue screens when the bios is in AHCI mode, even though i have the registry that should fix that and that did fix it on one boot set to zero.
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Apr 30, 2011
A strange problem, nothing critical, but I found it annoying that my optical sata drives will not boot from a bootable disk when in AHCI mode in Bios. If I switch the drive mode to native IDE then I can boot just fine from either of the Opitcal Sata drives.I have done some searching and found this has been a problem out for some builds/MB in the past but you would think with a new MB and Sata controller and such this would no longer be a problem.If you look at my specs you will see the Gigabyte MB. The documentation is fuzzy on the sata ports. There is a setting to put SATA port 4/5 into some kind of IDE support mode. I currently have the slots 0 - 3, used for all the drives. 0 & 1 for HDD, and 2 & 3 for the optical drives,wondering if I use the 4/5 slots for the SATA and set the bios to the 4/5 ide support if this might solve my little problem.
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Jun 29, 2011
I created a system image on an AHCI system, then I replaced the hard drives & re-imaged the system. Now Windows won't boot in AHCI mode, it has to be it IDE mode. Why is it not booting in AHCI mode?
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Oct 25, 2012
My Zenbook crashed yesterday when I clicked OK to a "LiveUpdate" pop-up on my desktop. Guess it was from Asus but I'm not sure, as the pop-up didn't contain any text...
When I boot it gets to the (pulsating) Windows logo - after that I just get a black screen with a movable cursor.
None of the safe modes works - just black screens with "safe mode" written in every corner.
I've made a bootable USB with Windows 7, and that boots up fine to the install/recovery mode - sometimes. Sometimes it doesn't get that far, it just goes to the black screen even though I'm certain it boots from the USB. Weird.
Anyway, the recovery mode can't find any system images, and I can't see the SSD when I try the 'load the drivers' option. HOWEVER, the harddrive DOES show up in the BIOS, but only IF the USB is in the machine?
I have an option to reinstall Windows (I think...), but I would very much like to safe some files before the drive is formatted...
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Oct 10, 2011
system:GA-Z68X-UD4-B3G Skill ripjaws 1600 8gbi5 2500KGTS 250Lite-On ihas324Cavia Green 1.5 TBAntec 620c neo ecoAntec 300 caseok, where do I begin.... So my computer went into sleep mode.... its really hit or miss with this computer so when I finally get it back up and running, I will completely disable sleep mode.Sometimes i can click the mouse and it wakes up with no problem, but sometimes it would reboot on its own and just keep trying to boot and restart.... continuous boot loop.... so when i want to remedy this, I just clear the cmos by unplugging the power supply and disconnecting the cmos battery.... it always worked I tried to pull the battery and left it out for 60 minutes.. popped it back in and it won't let me get into bios. None of my keyboards will light up for me to hit delete to get into bios.... not even my PS2 keyboard.... it will just continue to turn on, and show the logo screen telling me to hit various keys for various functions and then it will reboot on its own and it will just continue to do this and will not let me hit a key to get into the BIOS screens
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Jul 14, 2012
I recently got hit by a virus on my new pc. PC's that I have owned in the past I would boot into safe mode and fix. However, when I restart to hit f8, I do not see the BIOS. I know the computer brings it up b/c it doesn't boot into Windows 7. So I booted into Windows 7 normal, went to msconfig and told it to boot safely. I got no display at all now after rebooting. I can't get back into Windows 7 nor see the BIOS, or Safe Mode. I have tried more than one monitor. I do have dual graphics cards, so I do not know if that is causing the conflict or not.
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Aug 8, 2012
I have SSD as primary system drive and 2x512GB HDDs as RAID 1 for storage.In bios i have options to set them as AHCI, IDE and one more that i forgot...
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Jan 3, 2013
When i boot my computer up it will stop for about 15 mins on boot screen the screen that has options press delete for setup etc... stay there for around 15 or 20 mins then boot on to desktop
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Jan 10, 2012
I have a SSD drive & want to use the AHCI Mode & Native Command Quening from Windows 7 Pro X64. I performed the Regedit by setting the START paramater in the registry key: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesmsahci from "3" to "0" - and then making the switch in the BIOS from IDE to AHCI. Windows still would not load! The Bios screen would not load Windows 7.I have a Gigabyte GA-EP45-UD3R Board that has a Intel P45 Chipset & I installed the latest Intel Sata drivers before I tried the change. I had to use my Acronis True Image program to get Windows 7 back up & running.My Board has 6 Intel Sata ports & two Gigabyte ports on the board. I don't use the Gigabyte ports & they were left in the IDE mode in the Bios when it failed.The Bios screen loaded differently but failed as I said to load Windows 7.If I perform a clean install will Windows 7 load & install in the AHCI/Native modes with the bios setting to AHCI & not IDE? I have the SSD for programs & a 1TB HDD for storage & backup.
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May 31, 2010
Anyone who knows how to configure AHCI in bios? I'm confused I must say. I want to have eSATA with a sata slot from my motherboard.
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Sep 2, 2011
I have a new computer. When it boots up, I see AHCI Bios not installed. I do not know much about the workings of a computer. What does AHCI Bios not installed mean? My computer runs on Windows 7 and so far it seems to work just fine.
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Jan 1, 2012
I want to install Windows 7 on a clean drive.... but I cant even get to the install options, because the drive is not recognized when i turn on the machine. It stalls, even before I can get into the BIOS settings.I need to manuallly disconnect the drive > then change back to IDE mode inside the bios and now I am able to install Windows.The funny thing... I have a backup image of a running Windows 7 installation and if I copy it onto the exactly same drive it runs without problems in AHCI mode another weird thing.... i already installed Windows 7 in IDE mode and thought that maybe later, once the installation is done i could switch back to AHCI.well, same thing.... once ahci mode was enabled in the bios, the drive was not recognized anymore.i also tried to install the chipset drivers from within windows and got a "the system does not meet the minumum requirements."
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Sep 28, 2012
I have just fitted a SSD drive in my computer windows 7 64 bit system, when I installed windows onto the new SSD I just unplugged my old hard drive and fitted the SSD and just installed windows 7 and all worked ok. But after the new install was working I was told I needed to make a change in the BIOS to alter the settings from treat Sata as IDE to treat Sata as AHCI. I did this and all was ok with the new drive the installation worked and the new drive is running ok.
But now I have since read that I should have made the bios change before installing windows nad should not be done after the install, So do I need to reinstall windows 7 with the bios changes to treat sata as AHCI before I install or will it work ok it seems to be ok but im not sure now. I was also under the impression that I could still have my old hard drive fitted and just select the hard drive I wanted to boot from as the computer started, I wanted to do this so.
I could still has access to all my old stuff if I needed it. But now my old hard drive will not boot until I change the Bios back to treat Sata as IDE, so is this not going to work or will I have to change the bios each time I need access to my old drive. Also I have an Asus P6T SE motherboard so can I plug the SSD into any Sata port or is it better to plug it into number 1 if so how do I find which one is number one.
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Mar 1, 2011
Im installing a new SSD and i wanted to use it as an oppertunity to change everything over to AHCI and wanted to clarify one thing before i went ahead. Im going to change the setting to AHCI in the bios and then install windows 7 on the SSD. Once i get into windows i was going to plug in the old Hard drives. With the old hard drives being used when my computer was on IDE will they be able to be read or will all the data be lost.
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Apr 8, 2012
i have an ASUS M5A88-M motherboard, and a Western Digital WD2503ABYX HDD. i am trying to make that drive work in AHCI mode, but when I try, the disk won't boot. i think the HDD is AHCI compatble, tho not certain. i went into the registry to set a value=o for the relevant AHCI parameter, but no luck. if i need a full re-installation of Windows 7 64-bit, does it prompt me along the way to set the mode to IDE or AHCI?.
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Mar 30, 2012
I just changed my disk setup from:
1 SATA HDD Primary OS Disk
2x SATA HDD Backup Disks in RAID 1
TO:
1 SATA SSD Primary OS Disk
1 SATA HDD Backup Disk
[No RAID]
Everything worked great, no problem. So, since I don't have a RAID array anymore, I decided that I could change my BIOS setting to AHCI instead of RAID. I have a Gigabyte GA-P35-DS3R v1.0 mobo.
These are my steps:Settings > Integrated Peripherals > "SATA RAID/AHCI Mode" = RAID
--> Changed this setting to AHCI Reboot Windows Start screen shows up, but as the color orbs are spinning into focus, BSOD and immediate restart Repeated reboot several times, same outcome
Next Step:Launch BIOS settings Integrated Peripherals > "Onboard SATA/IDE Ctrl Mode" = RAID
--> Changed this setting to AHCI Reboot Windows Start screen shows up, but as the color orbs are spinning into focus, BSOD and immediate restart Repeated reboot several times, same outcome
Switch both settings back to RAID, reboot, and Windows starts up just fine, no issues.
What am I missing? Why can't I set it to AHCI mode without BSODs?
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Aug 7, 2012
Everytime i want to swap hard disk with different OS, WinXp(IDE) to Windows 7(AHCI), i need to do change some hard disk setting on BIOS. Is there any way that i can do to make both hard disk with different OS compatible on the desktop PC without change any setting on BIOS everytime i change hdd? Is there a way to make WinXP IDE mode to run under AHCI mode?
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Jan 24, 2011
First thing, my build:
Board: Gigabyte GA-P55A-UD4
CPU: Core i7 870 @ 2,93 Ghz
Graphic: Sapphire AMD Radeon 8670 Mushkin 2x2Gb Red Culvert Kit @ 1600Mhz CAS 6-7-7-18
Seagate 320 GB SATA II HDD + WD Caviar Black 1TB SATA III HDD
Running: Windows 7 Ultimate
Trying to install: Windows 7 Ultimate
PSU: LC Power Arkangel 850W
I have Windows 7 Ultimate installed on my 320 Gb HDD and everything is running ok. I just bought a WD Caviar Black 1TB SATA III disk and I want to install Windows 7 there, since the disk is faster. Here's what happens. When I connect the disk (it is connected GSATA 3 connectors), the disk will be recognized in bios and in Windows, but wont show under My Computer. I figured it must be some software bug so I formatted the disk in diskpart (clean format) and installed Windows 7 on it. At that time the GSATA 3 interface was set to IDE mode. It ran fine but after installing a big batch of Windows updates, the system hung at windows startup screen. After restoring the system to a previous state (i.e. before the updates), the system booted up normally.
I didn't know what was wrong so I formatted again, and this time I set the GSATA 3 to AHCI mode, since I realized this is a better option. When installing in AHCI mode, the computer expands the windows files but when the system is restarted, I get a BSOD (code Stop 0x000000B4 video driver failed to initialize) at Setup is updating registry settings. I really want to use the AHCI mode, but I cant get the system to work in IDE either so its really a bugger. I have no idea what could be causing this as the system works fine when using the other disk. Can the BSOD be caused by the HDD? Anyway, I really want to start using the disk. I have tried installing Windows 7 from a dvd as well as from a USB key.
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Jan 1, 2012
I changed the appropriate setting in the registry. (msachi > start: 0) Then I changed the setting in my motherboard and Windows froze upon starting up, and my system rebooted.
The thing is, I changed it to AHCI before. It worked fine! I then switched back to IDE while trying to fix a problem with eSATA detection (turned out to be a faulty cord), Now I can't switch back! Sigh. I really would like my eSATA to be plug and play.
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Jan 24, 2011
First thing, my build: Board: Gigabyte GA-P55A-UD4 CPU: Core i7 870 @ 2,93 Ghz Graphic: Sapphire AMD Radeon 8670 Mushkin 2x2Gb Red Culvert Kit @ 1600Mhz CAS 6-7-7-18 Seagate 320 GB SATA II HDD + WD Caviar Black 1TB SATA III HDD Running: Windows 7 Ultimate Trying to install: Windows 7 Ultimat PSU: LC Power Arkangel 850W
Ok so here's the deal. I have Windows 7 Ultimate installed on my 320 Gb HDD and everything is running ok. I just bought a WD Caviar Black 1TB SATA III disk and I want to install Windows 7 there, since the disk is faster. Here's what happens. When I connect the disk (it is connected GSATA 3 connectors), the disk will be recognized in bios and in Windows, but wont show under My Computer. I figured it must be some software bug so I formatted the disk in diskpart (clean format) and installed Windows 7 on it. At that time the GSATA 3 interface was set to IDE mode. It ran fine but after installing a big batch of Windows updates, the system hung at windows startup screen. After restoring the system to a previous state (i.e. before the updates), the system booted up normally. I didnt know what was wrong so I formatted again, and this time I set the GSATA 3 to AHCI mode, since I realized this is a better option. When installing in AHCI mode, the computer expands the windows files but when the system is restarted, I get a BSOD (code Stop 0x000000B4 video driver failed to initialize) at Setup is updating registry settings. I really want to use the AHCI mode, but I cant get the system to work in IDE either so its really a bugger. I have no idea what could be causing this as the system works fine when using the other disk. Can the BSOD be caused by the disk? Note: I have tried installing Windows 7 from a dvd as well as from a USB key.
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Oct 18, 2011
I'm installing Seven on a WinXP machine and completed the install, but forgot to change the SATA setting in the bios from "compatibility mode" to AHCI. Now when I change it, windows gives me bluescreen on boot.I'm dumbfounded that Windows Seven startup repair can't fix a problem this simple, but it completely failed, wasn't even able to find a problem.I was thinking it might be easier to just reformat and begin the install over again, or startup in safemode and install the intel SATA drivers... assuming it will let me boot into safemode with AHCI enabled.ps. On the other computer (different thread), I'm going to wait till I have several hours of uninterrupted time, in case I need to begin over installing all the windows versions one at a time. I'll reply with any success/failure on that thread later in the week.
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Jul 13, 2012
I own a lenovo thinkpad and recently all of a sudden i recieved this messg where it says mediatest failed, check cable, the solutions stated i change my SATA controller to compatible mode from AHCI to IDE most perferably. Id like to know step by step how i can do it myself.
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Oct 3, 2012
If the BIOS setting for the hard drive controller is AHCI it will not recognize the drive. (This was the default setting in the BIOS), If changed to IDE mode it recognizes the drive but come up with an "No operating system detected" message. If the hard drive is installed in a second lap top it works fine. If another hard drive is installed it works fine in AHCI mode. Only the combination of the original hard drive and the original lap top wont work.
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Nov 11, 2011
i'm working with a new pc build that uses a 60 gb ssd for its boot drive, and which is also reusing some "old" sata hdds for storage.
at the time i installed windows 7 ult 64, i had only a new ssd plugged in, and the bios was set to ahci mode. the installation went fine and i was able to boot into windows afterwards without issue.
then, i connected a wd caviar black sata hdd to use as storage, with the ssd being the boot drive. with both of them connected, windows will not get past the starting windows screen.
i made this video of the program before i understood that it was a drive controller issue: startup problem - Internet in it, you can see that windows boots fine in ahci mode with just the ssd plugged in, but that when the backup sata drive is also connected it doesn't get past the starting windows screen.
for the record, this caviar black hdd was my previous boot os, and it also has a windows 7 install on it (which i've renamed the base folder of), but it is not booting from that hdd. also, i have tried the same thing with other "old" sata hdds that do not have any previous windows install on them, and the result is the same thing which is shown in the video.
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Apr 10, 2011
Win 7 x64 Home Premium w/Gigabyte GA-EP45-UD3P, v.1.1 (P45), works great in IDE mode. (N.B.: eSATA port is just regular SATA port w/cable as provided by Gigabyte.) Trying to install external eSATA HDD. First I enabled AHCI drivers via registry. Then I turned on AHCI in BIOS. When I save BIOS and reboot, boot hangs when DVD writer performs sniffer boot, i.e., HDDs aren't found.
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Jul 5, 2011
I successfully installed Windows 7 64bit in AHCI mode on a PC with 3 new 3TB Western Digital WD30EZRX Caviar Green hard drives.Then I installed "Intel Matrix Storage Manager Driver [v8.9.0.1023]" & as soon as Windows restarted after installing it, Windows would not boot, & will now only boot in IDE mode.In IDE mode I have to do a system restore to the point before installation of "Intel Matrix Storage Manager Driver" to be able to boot again in AHCI mode.
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Sep 19, 2011
Can someone hit me with a link for manually installing the AHCI driver and switching the OS mode for the storage controller.
If I remember right, this is just putting the driver in /sys/drivers, running a script, and making a registry change. Then you reboot, change the motherboard setting, and then install IMSM after the OS comes back up. I don't remember the script, or if it was just a reg edit, etc.
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Jul 16, 2009
I have the GA-EX58-Extreme Board and have just installed the pre release of Windows 7 7600 64 bit. Normally i have experience to get the BSOD when in staling with AHCI active in bios so i change to IDE mode. Installation went flawless and also the change to AHCI mode on Intel ICH10R controler went normal.
As always i got problem to change the J micron controller to AHCI and of cause i got the BSOD again. I installed the latest R1.17.48.16 driver and tryed again but no luck. Can some tell me what i am doing wrong. ? I have a hardisk and a dvd drive attached to the J micron Sata connection.
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Aug 25, 2012
so i did a bios update, and it wont boot after the update.its a asus m4a79xtd evo (rev 1.01g)i dont have a backup of the bios
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