Hello Avi129, thanks for contacting us through the Intel Communities.
Sorry to hear you are having issues with your system, the following URL will give you some steps you can follow in order to solve your issue. Graphics — Error messages seen when installing Intel® Graphics Drivers
Some computer manufacturer does not allow the installation of generic Intel video drives. However, you may try forcing the installation of Intel generic drivers by performing manual procedure, see here for instructions: Graphics — Computer manufacturer graphics driver detected
This is the latest graphic driver available version 3621
Intel® Iris™ and HD Graphics Driver for Windows* 7/8/8.1 32-bit Download Center
Intel® Iris™ and HD Graphics Driver for Windows* 7/8/8.1 64-bit Download Center
I also found the following thread in case you would like to check it out. DRIVER_IRQL_NOT_LESS_OR_EQUAL (igdkmd64.sys) - Microsoft Community