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File version : 5.2.2601.2
Description : Stream Class Mini Driver
Copyright : Copyright Omnivision Technologies, Inc. 1999-2001
Product Version :
Product Name : Omnivision USB 2.0 PC camera
Company Name : Omnivision Technologies, Inc.
Internal name : ov531.sys
File Size: 590336 byte(s) 576.512 KB
MD5 : 7940e11f86ad399a9261c32da153a6b9
SHA1: E4D98FF2FA288B5CFD66182778F5D551B2820480

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How to Install _ov531.sys
Repair Sys ProblemsFixing a corrupted or missing _ov531.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.