Win7 open ACHI mode blue screen solution

Today's traditional mechanical hard disk performance has become the biggest bottleneck affecting the performance of the whole machine. In the Windows 7 system with high requirements for accessories, the hard disk naturally becomes an object that needs to be optimized. By turning on the AHCI mode of the hard disk, the performance of the hard disk can be improved to a certain extent. It is relatively simple to open the AHCI mode, mainly in registration. Table and BIOS can be set up simply, the following small series teaches you how to correctly set the AHCI mode, solve Win7 open ACHI blue screen.

Related Knowledge: What is AHCI What is the AHCI model?

Step 1: After clicking the Start menu, select “Run” from the menu. You can also press the shortcut key: Win+R to open the Run dialog. Then type regedit in the input box of the Run dialog box, press Enter to open the Registry Editor, as shown below.
Win7 starts running dialog box Extended reading: Where is Win7 running? Step 2: After opening the Registry Editor, go to the “HKEY_LOCAL_MACHINESystemCurrentControlSetServicesMsahci” key. Double-click the item named "Start" in the right window, and a dialog box will pop up, changing the default parameter from 3 to 0. Click “OK" and save and restart your computer. Change the registry default parameter value

Step 3: After restarting the computer, enter the BIOS, in the “Integrated Peripherals” page, change “SATA RAID/AHCI Mode” to “AHCI” (different BIOS option names will be Minor differences).
Open AHCI mode in Bios

After saving the Bios settings, it will automatically enter the restart computer. After entering the system, the system will automatically install the AHCI driver, and then the AHCI mode of the hard disk will be opened normally. Normally open AHCI mode, there will be no computer blue screen phenomenon. Many friends open AHCI mode blue screen under Win7, often just open is not comprehensive, such as only open in the BIOS without modifying the registry, or modify the registry It is not turned on in the BIOS, but many computers can only be turned on in the BIOS, and there will be no blue screen. This is something that everyone can understand. In short, it is best to set the blue screen on both sides to solve the problem.