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File Version : v3.60a (Lab01_N.010510-0033)
Description : Adaptec Ultra2 SCSI miniport
Copyright : Copyright Adaptec, Inc. 2000
Product Version : 5.1.2474.0
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : RTC_U2_NT51_0003 V4D22A4 RTC03
File Size: 55168 byte(s) 53.896 KB
MD5 : 19dd0fb48b0c18892f70e2e7d61a1529
SHA1: A659CBB358269D5DBC939C477AD8E6F38F38B9AC

Download aic78u2.sys
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How to Install aic78u2.sys
Repair Sys ProblemsFixing a corrupted or missing aic78u2.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.