Blue Screen of Death on Windows 11 — 2026 Fix Guide
Every common BSOD code, what it means, and how to fix it — from PAGE_FAULT to WHEA_UNCORRECTABLE.
A blue screen isn't the end of your laptop — it's Windows telling you what's wrong. Here's how to decode the message.
PAGE_FAULT_IN_NONPAGED_AREA — 90% of the time this is a bad RAM stick or corrupted RAM driver. Run Windows Memory Diagnostic.
DRIVER_IRQL_NOT_LESS_OR_EQUAL — always names the driver. Update or roll back that driver.
SYSTEM_SERVICE_EXCEPTION — usually a graphics driver. Reinstall from the GPU vendor directly.
WHEA_UNCORRECTABLE_ERROR — hardware error, usually CPU or motherboard. Get it diagnosed.
CRITICAL_PROCESS_DIED — Windows core file corruption. Boot into safe mode and run 'sfc /scannow'.
KERNEL_SECURITY_CHECK_FAILURE — driver conflict, often after a Windows Update.
If your laptop is blue-screening more than once a day, don't guess — free diagnosis at HOPE Systems will find the root cause.