Vista was the first Windows OS to support AHCI out of the box, whereas Windows 7 does the same. But an issue with AHCI is that if you install the OS without enabling AHCI in the BIOS, enabling it after installation will render your OS unusable. This is because Windows disable the AHCI driver since it is not needed during the installation.
How to download standard SATA AHCI controller driver?
1 Press the Windows key and I key together to open Windows Settings. 2 In the Settings window, choose System. 3 Then click About in the left pane. Here you will see all information about the computer. 4 Then check the processor type and remember whether the processor is AMD or Intel.
How do I enable AHCI in Windows 10?
In the right pane, right-click Start in the Name column, and then click Modify. In the Value data box, type 0, and then click OK. On the File menu, click Exit to close Registry Editor. After this you’ll have to restart your computer, go to BIOS and enable AHCI.
But an issue with AHCI is that if you install the OS without enabling AHCI in the BIOS, enabling it after installation will render your OS unusable. This is because Windows disable the AHCI driver since it is not needed during the installation.
Microsoft have a driver you can install if you dont have AHCI enabled when you install the OS (its not a hack) and it requires you to alter the registry before you change from IDE to AHCI in the bios – it doesnt require the Intel Matrix Storage Software to function correctly. Thanks for the reply., and good information.
Does windows 7 use uefi?
Windows 7 works at UEFI mode as long there is INT10 support in the firmware. ◦ Support UEFI 2.0 or later on 64-bit systems. They also support BIOS-based PCs, and UEFI-based PCs running in legacy BIOS-compatibility mode.
Another popular query is “Does Windows 7 support int10 when booting from UEFI?”.
The problem is that Windows 7 calls BIOS INT10 even when it’s booting from UEFI, no matter what video mode the system supports. Windows 7 works at UEFI mode as long there is INT10 support in the firmware.
Can’t install Windows 7 in UEFI mode?
Note: Windows 7 UEFI boot needs the support of mainboard. Please check in firmware first whether your computer has UEFI boot option. If not, your Windows 7 will never boot up in UEFI mode. Last but not least, 32-bit Windows 7 can’t be installed on the GPT disk.
What is UEFI mode and why do I need It?
Nowadays, large-capacity disks are becoming more popular . When a hard drive has a capacity more than 2 TB, you may need to install Windows in UEFI mode to use the space beyond the 2 TB. What are UEFI and BIOS?