| Symptom | HP Diagnostic Result | Recommended Other Tool | Assessment Purpose | |---------|----------------------|------------------------|---------------------| | Random shutdowns | Pass all | HWiNFO + Prime95 | Log thermal throttling or voltage dips | | BSOD on wake | Pass | MemTest86 | Detect latent memory errors | | Slow file copy | Pass | CrystalDiskInfo | Check S.M.A.R.T. attribute 199 (UDMA CRC errors) | | Wi-Fi drops | Pass | iPerf3 (two PCs) | Isolate driver vs. hardware vs. environment |