52 troubleshooting references
Windows fixes
Start with the exact symptom. Each reference moves from reversible checks to deeper diagnosis and tells you when to stop.
Showing 52 of 52 articles
Wi-Fi connected but no internet on Windows
Diagnose a wireless link that reaches the router but cannot reach online services.
Wi-Fi network not showing in Windows 11
Restore a missing network or identify a band, range, radio, or driver limitation.
Windows 11 cannot connect to a Wi-Fi network
Fix authentication failures when a visible wireless network will not join.
Wi-Fi disconnects repeatedly on Windows 11
Distinguish intermittent signal, power, driver, and router problems.
Ethernet connection not working on Windows
Diagnose wired networking from cable and link state through addressing.
Internet is slow only on one Windows PC
Find PC-specific causes of poor internet performance with controlled comparisons.
Windows Update stuck on downloading
Safely address an update download that stops progressing.
Windows Update installation failed
Interpret a failed update and retry with prerequisite and repair checks.
Windows Update remains at 0 percent
Determine whether an update is preparing, blocked, or unable to start.
Windows stuck restarting during an update
Respond safely to a prolonged Restarting or update progress screen.
Windows update causes problems after restart
Isolate instability after an update and reverse only the narrowest change.
High CPU usage in Windows 11
Identify the workload or system condition keeping processor use high.
High memory usage in Windows 11
Distinguish normal caching from a memory leak or insufficient RAM.
Disk usage reaches 100 percent
Find the workload or storage condition saturating the system drive.
Windows takes too long to start
Measure delay before sign-in, during sign-in, and while startup apps load.
Windows 11 freezes randomly
Collect evidence around freezes and isolate software, temperature, and hardware.
Windows PC suddenly becomes slow
Correlate an abrupt slowdown with resource use, recent changes, and health.
Black screen appears after Windows login
Restore the desktop when sign-in succeeds but the shell or display does not.
Windows Hello PIN does not work
Recover sign-in when a PIN is rejected, unavailable, or needs recreation.
Start menu does not open
Recover Start while separating a stalled shell from profile corruption.
Windows is stuck on the Welcome screen
Diagnose sign-in stalled while Windows loads a profile, service, or update.
Windows has no sound
Restore audio by checking routing, volume, services, format, and drivers.
Headphones are not detected
Resolve missing wired, USB, or Bluetooth headphones via the correct path.
Microphone is not working in Windows
Restore input by checking privacy, selection, level, and hardware.
Windows does not detect a second monitor
Check monitor power, input, cabling, topology, and graphics drivers.
Windows screen resolution is incorrect
Restore a suitable resolution using display identity, scaling, cable, and driver checks.
Screen flickers in Windows 11
Separate application flicker from graphics, cable, refresh, and panel faults.
Bluetooth is missing or not working
Restore a missing Bluetooth control or identify an absent radio.
Bluetooth device will not connect
Resolve pairing failures by clearing stale records and competing hosts.
USB device is not recognized
Identify whether USB failure follows the device, cable, port, power, or driver.
Camera is not working
Restore webcam video by checking shutters, privacy, app ownership, and drivers.
Keyboard is not working
Separate keyboard connection, accessibility, layout, driver, and hardware faults.
Mouse is not working
Restore pointer control by checking power, connection, surface, and drivers.
Windows is running low on disk space
Reclaim system-drive space using built-in tools without risking personal data.
File Explorer stops responding
Identify shell extensions, locations, or storage devices that trigger Explorer hangs.
Windows taskbar is not responding
Restore taskbar interaction and distinguish shell from profile corruption.
DNS server not responding in Windows 11 or 10
Separate a DNS lookup failure from a broken connection, one unavailable website, or a browser-specific problem before changing network settings.
Windows PC will not sleep or wakes immediately
Distinguish an idle sleep blocker from an immediate wake event using power settings, read-only powercfg reports, and controlled device tests.
Windows signed you in with a temporary profile
Protect work and diagnose a temporary Windows profile when the desktop looks new or Windows says it cannot sign in to your account.
Printer is offline in Windows 11 or 10
Find whether an offline printer is unreachable, using the wrong queue, or blocked by a stuck job before reinstalling drivers.
External drive not showing in Windows File Explorer
Distinguish a missing USB connection, absent drive letter, locked volume, and damaged file system without formatting a drive that contains data.
Audio crackling or distorted in Windows 11 or 10
Isolate distorted playback by comparing local audio, output devices, enhancements, formats, and workload before changing drivers.
Microsoft Store will not open in Windows 11 or 10
Diagnose a Store window that closes, stays blank, or cannot load by separating launch, network, cache, and account-specific failures.
Windows Search not finding files that exist
Check file location, search scope, exclusions, and indexing status when Windows Search misses a file you can open directly.
Windows blue screen with a stop code: diagnose repeated crashes
Use the stop code, crash timing, recent changes, and safe comparisons to distinguish a recurring Windows crash from an app failure or power loss.
Windows stuck in an Automatic Repair loop
Choose a safe recovery path when Windows repeatedly returns to Automatic Repair, without blindly rebuilding boot files or resetting the PC.
Cannot access a network shared folder in Windows
Separate a missing share, name-resolution failure, blocked SMB connection, and account-permission problem without weakening network security.
Windows laptop plugged in but not charging
Distinguish an intentional charge limit from an unsuitable charger, dock power shortfall, battery fault, or damaged charging connection.
Windows brightness slider missing or not working
Separate laptop brightness control, external-monitor controls, adaptive changes, and display-driver problems without changing resolution or registry settings.
Access denied when opening or saving files in Windows
Distinguish folder permissions, application restrictions, encryption, and network access before changing ownership or granting broad access.
OneDrive not syncing files on Windows
Find whether OneDrive sync is paused, using the wrong account, blocked by storage or one file, or failing between this PC and the cloud.
Windows clock keeps showing the wrong time
Distinguish a time-zone offset from failed synchronization or a clock that resets after shutdown, without changing managed time policies.