1. If I choose a reinstall that deletes all programs but keeps user documents and does not reformat the hard drive, is this considered a "fresh" reinstall? Is this sufficient to solve most blue screen problems? 2. When doing a reinstall in which the hard drive gets reformatted, does one need to setup the bios to boot to usb flash drive or optical drive as priority over the internal hard drive? In that case either the usb flash drive or optical drive would have the Windows install files. 3. When getting randomly occurring blue screens (about once per week), is a fresh Windows reinstall a good option? I have previously tried the following to resolve: *updated all hardware drivers, *Windows OS fully updated, *antivirus scans, *removed 3rd party antivirus, *ran Glary utilities, *replaced ram *replaced hard drive I am thinking perhaps there is some sort of Windows event logger that can isolate/define the problem.