WIN7 hard disk mode change method

Hard disk installation often need to modify the hard disk mode, then how to change it? This article introduces the change method of hard disk mode in win7 bois.
Change the hard disk mode after modifying the following registry:
Note: IDE to AHCI, the registry value is changed to <;0& rdquo;, AHCI to IDE, the registry key value is changed to “ 2 & rdquo;.
Windows Vista, 7 system, type regedit command in "Run",
Start subkey under HKEY_LOCAL_MACHINESystemCurrentControlSetServicesMsahci, right click /& ldquo; Name & rdquo; column & ldquo; Start & rdquo; /select & ldquo; modify ” In the “Value Data” box, type “0”,“OK" and exit the Registry Editor.

Second, restart, enter bios, change the IDE mode to ahci, or some machines are SATA MODE---enable

Three, because Windows 7 system comes with AHCI driver, restart It will be installed automatically after booting.
Special note: If the first step is wrong, then after the second step, a blue screen will appear and the system will automatically restart and cannot enter the system.