AHCI Open Blue Screen solution

After installing the Win7 system, such as using IDE mode, all normal, the BIOS in the AHCI mode after the panic, blue screen, unable to start and other failures.

Causal analysis: If the normal hardware failure in IDE mode is very unlikely, the general reason for this problem is the exception caused by WIN7 random AHCI driver matching.

Workaround:

1. In the left title bar of the Registry Editor window, navigate to the Hkey_local_machinesystem CURRENTCONTROLSETSERVICESMSAHCI Branch, and then in the right window, double-click Start. In the Edit DWORD Value dialog box that opens, change the value in the Values data box from 3 to the number 0.

2. Reboot into the system desktop, point the computer right---properties---Device Manager, as shown:

3. Uninstall all devices in the IDE ATA/ATAPI controller, as shown in figure:

When the reboot option appears, click No.

4. If there are no deleted options can be ignored.

5. Reboot and change to AHCI mode in BIOS and normal access system

The 6.win7 system automatically loads the AHCI driver after everything is OK, as shown in figure:

Generally this problem is in IDE mode after installing Win7 system to cause, after reading this article hope to be helpful to you.

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