Questions tagged [ahci]

Advanced Host Controller Interface (AHCI) is a technical standard that specifies the operation of Serial ATA (SATA) host bus adapters

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Changed from AHCI to RAID and now Windows won't boot

I've got 2 SSDs, one for Windows and one for Linux Mint. I have another 4 HDDs I turned into a RAID 0 array via my BIOS. Mobo is ASUS TUF X570. I had the 4 HDDs in a Microsoft storage pool but started ...
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Choosing RAID mode rather than AHCI/SATA mode?

Currently studying how computers work, I came across the last paragraph of the answer of this link: Many SATA controllers can enable AHCI separately or in conjunction with RAID support. Intel ...
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I can't get a new WD SSD to work with WD HDDs in RAID configuration

Currently I have 1 HDD WD Black 1TB for the OS on SATA1, and 2 HDD WD Green 2TB in RAID 0 on SATA3 and SATA4. Everything works fine. SATA1 to SATA4 are in RAID mode. SATA5 and SATA6 also in RAID mode. ...
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Install drivers on another Windows 7

I have a USB drive with an ISO from which I can install Windows 7, but it doesn't support AHCI drives. How can I add support for that capability to the ISO? I've heard there is an option to install a ...
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How to recover an AHCI / legacy conflict in Windows 7?

Motherboard: "EVGA E762 X58 Classified 4-WAY SLI" OS: Windows 7 Pro (64) I bought a used processor on ebay, and while trying to get it to POST, I cleared BIOS settings, forgetting a crucial ...
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AHCI vs RAID ON - would there be an impact on power consumption?

I'm investigating about the AHCI vs the RAID ON modes for operating the internal M.2 SSD drive in my laptop (Dell Latitude 5310). Some references: Dell M.2 FAQ regarding AHCI vs RAID ON, Storage ...
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Changing temporary from RAID to AHCI Windows

Recently I installed a Samsung 970 EVO plus NVMe M2 SSD in my Dell xps 9370. Everything went great, except for the fact that I had 600 Gb of unallocated spaces that I couldn't merge due to the fact ...
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Raid 0 to ahci /not just the mode, the setup as well/

So, my laptop is a MSI gt73vr 6re. My os sits on a raid 0, consists of 2*256gb nvme. I need more space, but on a budget, so I will swap a 256gb nvme to a 1tb nvme. I read this post: Switch RAID to ...
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61 views

Machine crashes with AHCI controller unavailable! and not using Asmedia Controller

I have an Machine that crashes periodically. When I recreated the issue I found that the machine fails with the error AHCI controller unavailable! (full errors in the screenshot). I have an AMD Ryzen ...
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601 views

How to change sata mode from AHCI to IDE when advanced setting is missing in BIOS?

Laptop: HP DV6 BIOS: INSYDEH20 REV 3.5 version F.29 Windows 6 64 To unlock the advanced option, I tried... F10 and then A Fn + Tab 3 times Not working. I am stuck in a bootloop and to get out of it ...
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270 views

Will IDE hard drive work if i select AHCI in BIOS?

I have a Windows 7 installation on an old hdd that i am still using today. I want to jump on Windows 10, but because i do not want to format my old disc, i bought a new SSD disk. I saw that since it ...
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SATA III supported controller, but ports are SATA II

I have a laptop, HP 15-d103tx, which was released around 2014. I have SATA III supported hard disk and SSD, but I noticed that they are working in SATA II mode. Then I tried to find out the supported ...
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AMD Threadripper build Win10 suspect SSD or AHCI driver issue The application HarddiskVolume stopped the removal or ejection for the device

With a new Threadripper build i got an awful amount of hanging, PC would be fine then stop responding (but mouse would still move). Task manager would not open, nor would start menu (would just spin ...
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Change to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorV\ does not survive reboot

Bottom line on top It seems that any changes to 0's Data column value in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorV\StartOverride or HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\...
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Warning when trying to change boot mode to AHCI

When I try to change boot mode in my laptop to AHCI, it gives me such warning: I need this change to dual-boot Linux with Windows. I have one non-RAID NVMe SSD. Thanks for help
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How to safely disable Intel Rapid Storage Technology in UEFI BIOS? [duplicate]

I wanted to dual-boot Ubuntu Linux 20.04 with Windows 10, but Linux said that I change mode from RST to AHCI in BIOS. I have one non-RAID disk, also there is an Intel RST controller installed on ...
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103 views

AHCI required for new SSD?

I do not know too terribly much about computers, but I wanted to try to install SSD as my new boot drive. My computer does not have AHCI and I'm not sure how to update my BIOS or if it will even give ...
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60 views

New SSD not appearing in BIOS or Windows

I bought a second-hand HP Z820 workstation. Upon turning it on for the first time, Windows 10 installed and everything works smooth. The machine has two storage devices: a 512GB SSD (slot 0) and a 2TB ...
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126 views

SSD thinks it's larger than it actually is

I'm trying to install Fedora alongside Windows 10 on a new laptop. The laptop has two 512GB SSD disks, which in the Disk Management tool showed as just one 1TB disk. I shrunk the partition on which ...
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894 views

Switching RAID to AHCI without Windows Reinstall but Safe Mode does not open up

I have an Acer Nitro 7 and I wanted to dual boot it with Zorin OS alongside Windows 10. Since I have only got a 1 TB SSD which has its SATA Mode on RST premium with Optane, I used the answer given in ...
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How to change safely storage controller mode from RST to AHCI in Windows 10?

can you please hint me to a solution. I try to change the storage "controller mode" in Windows 10. Currently it is set in my Bios/UEFI to RST mode. I like to change it to AHCI. Is it right that AHCI ...
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116 views

Windows XP AHCI

Is there Windows 7/Vista's MSAHCI.SYS driver ported for Windows XP because I don't know what AHCI driver is needed for my PC? Please don't ask why I am using XP or upgrade my Windows version.
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Slow SATA I/O after kernel oops (SuperMicro X11SBA-LN4F)

I am in the process of replacing my (Gentoo) Linux router with a new one built using a SuperMicro X11SBA-LN4F. I used my existing Gentoo Linux router's configs as a starting point (including the ...
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Is it worth switching from RAID to AHCI on on windows 10 pc

Currently I have RAID configured on my PC in BIOS (not at software level). I wanted to use dual boot with ubuntu but this is not possible with RAID cnfiguration. Will my pc suffer in performance for ...
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Win 7 AHCI is Switching to Raid on reboot

I have a Dell Latitude E6440 that is switching back to raid despite being set to AHCI. The remaining Bios settings are staying as they should and once swapped back the laptop boots up as needed. Any ...
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638 views

Is AHCI a hardware feature or a software \ firmware feature (capability)?

This question is posed because a Dell Optiplex 390 does not have AHCI. If it is a software feature then AHCI can be added. I am trying to follow the discussion associated with adding a kernel ...
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396 views

Unable to upgrade current 32GB SSD on Dell XPS 15 9550

I have a Dell XPS 15 9550 with a 1000GB HDD and 32GB SSD and want to upgrade the SSD which is currently only used for cache (from what I know). I bought the Samsung 970 Pro NVM m.2 SSD. I plugged it ...
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How to switch from IDE to AHCI after installing Windows Vista [duplicate]

Background Advanced Host Controller Interface (AHCI) is a technical standard defined by Intel that specifies the operation of Serial ATA (SATA) disk controllers. When it is supported by your ...
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918 views

Very slow SSHD in AHCI mode affecting Windows only

Some time ago, a friend bought this ZEUSLAP laptop from AliExpress and she asked me to install Ubuntu alongside the original Windows 10. Relevant specs: 240GB SSD + 1TB HDD (this turned out to be an ...
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Dell xps 15 9570 dual boot windows 10 with ubuntu 18.04, serious errors

I have been attempting to dual boot my Dell XPS 15 9570 with Ubuntu. I turned off fast boot and changed raid on to ahci. I had the latest version of Ubuntu loaded onto my USB flash drive and I tried ...
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3k views

System Won't Boot If I Change from RAID ON to AHCI (Windows 10)

System Configuration - SATA Operation I am trying to enable AHCI for a "secondary system experiment" so that the drives will be recognized in the installer. Thing is, when I enable AHCI windows won't ...
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Switch RAID to AHCI without reinstalling Windows 10

My Dell XPS 9560 uses RAID as a SATA controller mode. After I change it to AHCI, the Windows 10 will not boot. What should I do if I don't want to reinstall Windows 10? RAID = Redundant Array of ...
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456 views

Can I mark a hard drive as removable (storahci service)?

Basically, I need the opposite of last time: I have an internal SATA Port that is connected to a "dock" which allows removing the drive. I would like the drive to show up in the "Safely remove ...
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Change SATA mode to AHCI before reinstalling Windows on new drive - possible lose of data on non raid drive?

Currently I've got 5 HDD connected to my PC: 1 is the OS drive, 2 are connected into raid0 volume0, 2 are connected into raid0 volume1 (the volume numbers might be wrong, I'm writing this from memory, ...
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Cannot boot pfSense USB

I've got a mini PC (Qotom quad core Mini PC Q190P) that I can not seem to get to boot the pfSense installation, despite other machines being able to boot from the same media, and this machine being ...
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603 views

Why did Windows XP require AHCI drivers when it could already load itself without?

When Windows XP boots without AHCI drivers on a SATA system, you get a BSOD like 0x0000007b. What I don't understand is why it can't load without AHCI drivers. Clearly it was already able to load the ...
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343 views

Running AHCI breaks SMART monitors?

I'm running this Intel H77 motherboard and Win7x64. I had BIOS configured to run SATA in IDE mode, so Intel RST was complaining. I just switched BIOS to run AHCI and updated the RST drivers, and now ...
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HDD takes a long time to respond from idle, but SMART tells me that spin-up time is fine

I have an HDD that I've been using for a while. It's a Samsung HD753LJ 750GB running on SATA. According to CrystalDiskInfo it has a Power On Count of 5,174 and Power On Hours of 17,664. Not sure if ...
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HDD not being detected by AHCI after HDD cloning; only by IDE

I've done a 1:1 HDD copy, containing Ubuntu 16.04, from a IDE drive to a 1 TB SATA HDD, using Clonezilla. The 1 TB HDD was previously used for Windows. The 1 TB HDD isn't being recognized by the BIOS ...
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901 views

SATA port multiplier: Drives not recognized

I have a port multiplier with a JMicron JB321 chipset. It connects, power ups and only shows the Drive that is connected on the first port. My SATA Config is at AHCI. My Board is: GA-H81M-SP2V A ...
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Windows 10 not accepting AHCI enabled, why?

My notebook has a ordinary 500GB HDD boot with Windows 10 and a small SSD onboard (24GB) that I intent to use as cache (since Samsung has discontinued ExpressCache). I have to change some settings and ...
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Convert Secondary Harddrive to AHCI from IDE

Sorry if I'm covering ground that's already been discussed, but I'm struggling to find an answer to my specific problem. I've recently (finally) managed to coerce my computer into upgrading to ...
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Asus P8H67-V AHCI Driver issues when installing Windows [duplicate]

I'm trying to install Windows as a dual-boot on an Asus P8H67-V (Socket 1155) PC running Elementary OS (Debian).  Here's my configuration: Intel Core I5-2500K Samsung 840 Pro SSD This previously had ...
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SSD is very slow on PC

Yesterday I installed Samsung 850 EVO ssd in the place where HDD was installed on my HP Pavilion Dv6t 6c19tx. Then I installed fresh Windows 10 pro on it and everything went smooth. I didn't notice ...
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629 views

How do I enter this into regedit

This post here explains a method for setting a port as internal but I don't understand exactly how to enter it into regedit. Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\...
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6k views

How to solve AHCI and Sata interface

I have an Samsung 850 Evo 256 Gb as you can see the Samsung magician tells me that I don't have AHCI mode although I set the Windows registry for that mode by creating Msahci sub-key and modifying it'...
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607 views

Having SSHD while using an SSD working on AHCI mode

So I have an SSD working on AHCI mode. I'm planning to add an SSHD to my rig, so the question is do I have to change SATA controller to RAID mode when I got my SSHD? (to enable its Built-in SSD ...
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430 views

mSata 32GB is not recognized by Windows 10

So this is odd. I have a 32GB SSD connected into my motherboard through a mSata port. This device is recognized by the BIOS, but Windows 10 will not list it as one of my drives. When I run the tool ...
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399 views

I want to boot windows7 x64 with AHCI, but the BIOS does not even try

I just discovered, that BIOS was not in AHCI mode, and that's why my newly bought SSD was at low speeds. I installed a Linux on the SSD, it works perfectly in AHCI mode. Now my problem that if I want ...
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1k views

Win7 Turning on AHCI

I recently purchased a 3TB WD internal drive as a media storage. I thought this would be no problem since i have a UEFI Bios (ASRock P67 Pro3). After not being able to use any of the storage beyond ...