Troubleshooting
To find what caused a blue screen, open Event Viewer and check `Windows Logs > System` for `BugCheck`, Event ID `1001`, at the crash time. Record its stop code and four bugcheck parameters, then compare nearby driver, hardware, update, and disk events without assuming every warning is the cause. If
Troubleshooting
VIDEO_TDR_FAILURE means Windows detected that the graphics driver stopped responding and could not recover the GPU in time. The safest fix is to record the driver file named on the blue screen, create a restore point or backup, then roll back or reinstall the correct driver in Safe
Troubleshooting
DPC_WATCHDOG_VIOLATION means Windows detected a driver or hardware operation that took too long to finish, most often involving storage, chipset, graphics, USB, or firmware. A single crash is usually safe to restart; begin with Windows Update, a recent-driver rollback, the correct manufacturer driver, and Windows repair checks.
Troubleshooting
PAGE_FAULT_IN_NONPAGED_AREA means Windows tried to access memory that should have remained available but found an invalid or inaccessible address. Common causes include faulty RAM, a bad or recently changed driver, antivirus or other low-level software, storage or system-file corruption, and unstable hardware settings. Start
Troubleshooting
`INACCESSIBLE_BOOT_DEVICE` means Windows cannot read the disk or partition it needs to start. The usual fixes are to restore a changed BIOS/UEFI or storage-driver setting, undo a recent update or driver, repair Windows files, or address a connection or failing drive. Start with WinRE and hardware
Troubleshooting
`SYSTEM_SERVICE_EXCEPTION` means Windows crashed while handling an exception in a system service, usually because of a faulty driver, damaged system files, an incompatible program, or failing hardware. To fix it safely, record the crash details, back up important files, then work through recent drivers or software, Windows Update,
Troubleshooting
The `IRQL_NOT_LESS_OR_EQUAL` blue screen means a driver or hardware component accessed memory in a way Windows could not allow. The usual fixes are to undo recent changes, check the likely driver, test memory, and repair Windows system files; Safe Mode helps separate startup-driver problems from
Troubleshooting
A `MEMORY_MANAGEMENT` blue screen means Windows detected an invalid or corrupted memory operation. The cause can be faulty RAM, an unstable driver or overclock, damaged Windows or storage files, or a motherboard problem. Back up important files, return hardware settings to their defaults, and test memory before making deeper
Troubleshooting
KERNEL_SECURITY_CHECK_FAILURE is a Windows stop error caused by a problem with protected kernel data or operations, most often a faulty driver, defective RAM, disk errors, or damaged Windows files. Start by protecting your files, then use Safe Mode to undo a recent driver or update, test memory
Troubleshooting
CRITICAL_PROCESS_DIED means Windows stopped because a critical system process failed. The usual causes are damaged Windows files, a faulty or incompatible driver, a failed update, or less often a hardware problem involving storage, memory, overheating, or another component. Protect your files first, then try a normal restart, recovery
Troubleshooting
To speed up a Windows PC that takes too long to become usable after sign-in, disable nonessential programs in Task Manager’s startup list. Review each entry’s status, publisher, and startup impact, then disable only programs you recognize as optional. This doesn’t uninstall anything: it stops the
Troubleshooting
If the Windows password box is missing, Windows is usually still showing the lock screen, has selected a PIN or Windows Hello method, or has failed to load the sign-in interface. Click the screen, select your account, open **Sign-in options**, and choose the password icon. If the screen