irql_not_less_or_equal BSOD and ntoskrnl.exe are similar error and most likely caused by Realtek HiDefinition Audio drivers. Error situation may be: irql_not_less_or_equal ntoskrnl.exe This file is the core of the operating system and usually show us that the error is pretty severe...
Its root cause is varies have you try all the way below: Boot your PC in Safe Mode Check your Memory and Hardware Do Refresh or Restore your PC Repair your registry to fix corrupted files Perform disk checking for errors Run a full system scan Clean Windows install If not, I recommend you...