How to modify the registry to switch Win7 hard disk read mode

When the hard disk is installed, you will need to modify the hard disk mode. How do you change it? This article introduces the change method of the hard disk mode in the Winis system Bois.

Operation steps

1, Windows
7 system, type regedit command in "Run", HKEY_LOCAL_MACHINESystemCurrentControlSetServicesMsahci Start subkey, right mouse button /& ldquo; name “Start”/Select“Edit" in the "Value data” box, type “0”,“OK" and exit the Registry Editor.

2, restart, enter Bios, change the IDE mode to Ahci, or some machines are SATA MODE---Enable

3 Since the Windows 7 system comes with the AHCI driver, it will be installed automatically after rebooting.

Special Tips

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.