How to change the hard drive mode

How do I change the hard drive mode? Small knitting here for everyone to change Win7 hard drive mode, you know, in the hard disk installation often will need to modify the Win7 system Bois in the hard disk mode, but many friends do not know how to modify, then with small set together to see!

A. Modify the registration Form

1, in the Win7 Start menu to find and click "Run", type the regedit command to open Registry Editor;

2, in the registry in turn to find HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICESMSAHCI under the Start subkey;

3, the right mouse button in the Name column "Start", select "Modify", in the Value data box, type "0" (IDE to AHCI, modified to "0", AHCI to the IDE, modified to "2"), click "OK" exit.

Second, restart the computer, enter the BIOS, the IDE mode to AHCI, or some machine is SATA mode---enable

Third, since the Win7 system with AHCI driver, reboot will automatically install.

Tip: If the first step is wrong, then the "second step" will appear after the blue screen and automatic restart can not enter the system, so everyone should be cautious in the first step!

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