File version : V5.28 built by: WinDDK
Description : Windows 2000/XP support functions
Copyright : Copyright (c) 1997-2011 MCCI Corporation
Product Version : V5.28
Product Name : KYOCERA USB Modem SY31 Diagnostic Serial Port
Company Name : MCCI Corporation
Internal name : sy31cm.sys
File Size: 15432 byte(s) 15.72 KB
MD5 : 5449de56f22837c8b8f760d67b7d6063
How to Install sy31cmnt.sys
Repair Sys ProblemsFixing a corrupted or missing sy31cmnt.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.