How to enable IDE Mode to AHCI in BIOS is very simple

One of the simple and easy ways to speed up your hard drive, improve PC performance is to convert IDE mode to AHCI. You follow the article to know how to do it.

1. What are AHCI and IDE modes in the BIOS?

- What is AHCI?

Advanced Host Controller Interface (abbreviated as AHCI) is the standard mode of communication of the device with new software . With Native Command Queuing technology, the speed of exchanging, transmitting and receiving data is up to 3 Gbps .

- What is IDE?

IDE is the standard mode of the device communicating with old software, the transfer and receiving speed is quite slow, the speed and maximum disk capacity that this mode supports is 504MB .

2. Why and when should AHCI mode be enabled

AHCI mode only supports Windows Vista and above . If your friend is using Windows XP, you should not go to AHCI mode. If you enable AHCI mode on Windows XP operating system, you often get a blue screen error ( depending on the operating system, the blue screen will display different errors).

Blue screen error on Windows computer (Demonstration)

Also, if your laptop is equipped with an SSD, to increase the speed of the hard drive you should turn on AHCI mode . The data transfer rate of the IDE is quite small while the transfer rate of AHCI mode can be up to 3 Gbps.

3. How to know which mode the computer BIOS is running

Step 1: In the Taskbar search box , type Device Manager search and click Device Manager .

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Step 2: At the Device Manager screen, click on the IDE ATA / ATAPI controller series, and check if there is a Standard SATA AHCI Controller . If so , your device is on AHCI mode .

4. Turn on AHCI mode right on Windows first.

Step 1: Open the Run dialog box with the Windows + R key combination and type regedit search > click OK to open the Registry Editor screen .

Step 2: The message appears, choose Yes. In the new interface, on the left menu, open the path HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ iaStorV . Then left-click twice on Start and in the Value data, enter 0 and click OK .

Step 3: Similarly, please open the left menu under the path HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ storahci . Then left-click twice on Start. And in the Value data you enter 0 and click OK .

Step 4: Open the left menu under the path HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ storahci \ StartOverride and left-click twice on 0 . In the new interface, the Value data you enter is 0 and click OK .

When you're done, close Registry Editor .

5. Turn on AHCI mode in BIOS

Note: The BIOS interface of each model will be different, so please pay close attention to the name of each operation to perform the most correctly.

After you have enabled AHCI mode on Windows, restart your computer and enter BIOS to enable AHCI mode . (Depending on the model, there are different ways to enter the BIOS).

Please check the SATA Operation line at the Advance tab is in any mode , if it is AHCI, you are done converting from IDE to AHCI.

If you are still an IDE, move on to switching from IDE to AHCI mode .

See more:

- Guide to use the ssd hard drive properly and effectively

- What is an SSD? Types of SSD hard drives in laptops