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Old March 3rd, 2019, 05:20 PM
Murf's Avatar
Murf Murf is offline
Join Date: Oct 2001
O/S: Windows 10 Home
Location: Newport News VA
Age: 74
Posts: 17,235
For a few months, the computer fans were getting very loud and things were slowing down generally. I cleaned the very dirty fans, and they went silent. I also deleted a great deal of material off my large hard drive, thinking that would help.

What did you delete?????? And how did you delete?????

More recently I've been getting very frequent, almost daily blue screen crashes.

I did not usually write down what it said. The first thing it began saying was

Driver IRQL Not Less Or Equal STOP: 0x000000D1

As Jintan said, you need to check the memory. You said you have 4 slots with two oif them filled. Just pull one memory stick out and run it with just one see if the VSOD go away. If not then replacxe it and pull the other and do the same thing. You don;t have to run very long with just the one memory stick in as if one is bad it will BSOD.

Your initial error "Driver IRQL Not Less or Equal STOP: 0x000000D1

This is a Memory related error that often aooears if a system process or a driver attempts to access a memory address without proper access rights.

It can also be generated because of;
  • Corrupt system files
  • Incompatible device drivers
  • Faulty hardware items
  • Incorrect software installation

If you would post the exact error it would really help as generally the BSOD will tell you what file is causing it.

Really: Need to check your memory as Jintan suggest.