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File Version : 1, 0, 0, 1
Description : SMBus PMU Driver
Copyright : Copyright (C) NEC Corporation 1999
Product Version : 1, 0, 0, 1
Product Name : Personal Code Setting Utility
Company Name : NEC Corporation
Internal Name : SMBusPMU.sys
File Size: 6676 byte(s) 6.532 KB
MD5 : d3dc73ca0b91dc68ddad29870c4130ca
SHA1: C64D7AB644A19FF380992FC43ABE5898A2FBF018

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How to Install SND3INIT.SYS
Repair Sys ProblemsFixing a corrupted or missing SND3INIT.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.