Hi, As Rob said, we suggest to remove Kaspersky completely to test result at first. Then, update your graphics adaptor driver to the latest version. Kindly check this link below for more information about how to deal with irql_not_less_or_equal BSOD. In addition, system will generate the dump files when BSOD occurred, it can help us diagnose problem, Microsoft has an useful tool called WinDbg can analyze these dump files, kindly check the following link for assistance. Debugging Tools for Windows (WinDbg, KD, CDB, NTSD) If it’s inconvenient to you to analyze dump files, you can upload dump files to a file sharing service like Onedrive or 'Rapidshare' and put a link to in your reply. Link for how to upload below.