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File Version : 3.1.1540.50 built by: WinDDK
Description : AMD Technology AHCI Compatible Controller Driver for Windows family
Copyright : 2008 Advanced Micro Devices, Inc. All rights reserved.
Product Version : 3.1.1540.50
Product Name : AMD Technology AHCI Compatible Controller
Company Name : AMD Technologies Inc.
Internal Name : ahcix86.sys
File Size: 176136 byte(s) 172.8 KB
MD5 : b6e729a575f84938a08d367e8352eb86
SHA1: 8CAC0E0A0CBE3215519B42601022C146627D1944

Download ahci7xx.sys
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How to Install ahci7xx.sys
Repair Sys ProblemsFixing a corrupted or missing ahci7xx.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.