PC Crash & Slowdown Diagnostic
Stuttering, crashing, or slowing down? Answer a few questions about your symptoms and it walks you to the most likely cause — storage, memory, heat, drivers — before you replace any hardware.
Open the tool → InteractiveGPU Power States: Idle, Wake & the Crash Window
Drop a graphics card through its power states to deep idle, toggle an
app holding VRAM, then hit Wake — and watch the
nvlddmkm.sys crash happen in real time, BSOD and all.
The Idle/Wake Race — Step by Step
Walk the exact five-step sequence behind a GPU crash that only strikes at idle — then flip the processing mode from CUDA to OpenCL and watch the same steps end clean.
Open the tool → InteractiveWill It Run? — Local AI on Your PC
Pick your RAM and graphics card — or your Mac's unified memory — and see instantly which local AI models run smoothly, which are usable but slow, and which won't fit. No cloud, no subscription.
Open the tool → InteractiveThe Hardware Behind the Tokens
A hands-on primer on the hardware behind local AI — TOPS, quantization, CPU vs GPU, VRAM & bandwidth, the KV cache, and a will-it-run rig calculator. Nine sections, seven widgets.
Open the primer →Built from a lifetime in tech
These tools come from a lifetime in tech — my master's program, real jobs, and problems I've actually had to solve. They often accompany the full articles over in the Notes.