I’m not aware of any tools that check CPU cache per se, though I did find an interesting StackOverflow item that uses DotNet libraries to come close. Malaysian logger offers an interesting list of 6 free programs to check your video card memory for errors. Using the tool generally requires an overnight run, so I boot to the MemTest image just before I go to bed, and let it run all night so I can see what it’s doing (and finding). I keep a bootable version of MemTest86+ on my Ventoy repair flash drive (it’s named mt531b.iso, to reflect the most current MemTest86+ version). The free, open-source Memtest86+ utility is a good tool for checking PC RAM.
It’s easiest to check RAM, and more difficult to check CPU cache and video RAM. Finding such issues requires a process of elimination. This might mean issues with RAM, L1 or L2 cache on the CPU chip itself, or even video RAM on a graphics card. Other potential causes for the PAGE FAULT IN NONPAGED AREA BSOD include memory problems. Memory Could Be a Cause of PAGE FAULT IN NONPAGED AREA BSODs These aren’t the most likely cause of a Page Fault in NonPaged Area BSOD, but they are quick and easy steps you can take which may solve the problem. You can get there from the Windows + X menu. If not, try rolling back to a prior version. If the problem comes from a driver, first check the device manufacturer’s website for a newer version of the driver. See our article on how to do a 30-minute repair reinstall of Windows. If it came from a clean Windows install, it’s time to do another one, using a different (and known to be good and working) OS version instead. When it comes to faulty system services, the best approach is to uninstall (or roll back from) the upgrade or update that caused the problem. How to Fix PAGE FAULT IN NONPAGED AREA BSODs
To see if the problem is caused by a driver, note the file listed on the BSOD (ex: nvlddmkm.sys) and consider whether you’ve recently updated a driver or installed a new device. While bad Windows updates do happen from time to time, the PAGE FAULT IN NONPAGED AREA code is far more likely to come from a faulty driver.
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