How to turn on AHCI Blue screen in win7 system
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1. Use the shortcut key combination win key +r key to open the run window, enter "regedit" Enter confirmation.
2. Open the Registry Editor, open the registry in turn, and find start under HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci.
3. Double-click on the start value to change the numerical data of start to "0."
4. Restart the computer and use the shortcut keys to enter BIOS mode. Change the BIOS to AHCI mode, enter the system will find new hardware, do not care, directly install the AHCI driver (win7 general networking will automatically install, if not automatically installed, please download the motherboard or laptop official website AHCI driver) After the installation is completed, as shown in the following figure.
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