Win7 modify hard disk achi mode can not enter the system solution

Some users use u boot u disk to install windows7 system, enter bios will sata hard disk ahci function open, restart the computer can not enter the system, at this time, only change back to ide mode system Only then can enter normally. This will cause some programs to not work properly. So how do we turn on the hard disk ahci mode? Today Xiaobian will share with you how to open the hard disk ahci mode after installing the windows7 system. Solution Steps: 1. Use the key combination (win key + r key) to open the running window, type “regedit” in the input box, click “OK", as shown below: 2. Open the Registry Editor and view it at the following address: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\msahci, then double-click "Start"; as shown below: 3. In the pop-up window, the default value data value will be "ld" ;3” changed to “0& rdquo;, click & ldquo; OK & rdquo;, as shown below: 4, after modifying the registry value, restart the computer, enter bios to change the hard disk mode to achi, press F10 to save and exit (note: Since different motherboards enter the bios shortcut keys and adjust the position of the achi items, you can check the attached manual), as shown below: After modifying the registry value and hard disk mode as described above, restart the computer. Can enter the system normally. At this point, modifying the achi mode of the sata hard disk leads to a solution that cannot enter the system.