Audio crackling Audio distortion Audio dropouts Headphones not detected Internal speaker buzzing Internal speaker not working Microphone not detected Microphone very quiet No audio output One speaker silent Random static noise Sound delay or lag Sound only works after restart Volume controls unresponsive Wrong audio device selected

Blocked air vents CPU fan loud CPU fan not spinning Dust buildup Fan at full speed constantly Fan rattling GPU fan loud GPU fan not spinning Overheating under load Poor airflow Thermal throttling Thermal paste degraded Warm when idle

CPU overheating CPU stuck at low clocks High idle temperatures Poor thermal contact Random CPU spikes System freezes under load Thermal paste degraded Thermal throttling Unstable CPU voltage Wrong CPU temperature readings

Black screen on boot Display flickering Display not detected HDMI port not working Image artifacts No external display output Random black screens Screen goes black randomly VGA port not working Wrong resolution

File corruption HDD clicking HDD not detected NVMe overheating Slow boot times Slow file transfers SSD health degraded SSD not detected Storage encryption errors Storage full System freezes accessing files Unable to save files Write‑protection errors

Ethernet not detected Ethernet port loose Internet slow Local network unreachable Network adapter missing No internet connection Packet loss Random disconnects Slow download speeds Slow upload speeds

No power Power button unresponsive Powers on but no display PSU fan not spinning PSU overheating Random restarts Random shutdowns System won’t wake from sleep Unexpected power loss Wrong power delivery

App crashes Driver update failures Frequent BSOD Slow system performance System UI freezing Windows services not starting Windows update failures Wrong display scaling Wrong power plan Wrong Windows configuration

Front USB ports not working Rear USB ports not working Random USB disconnects USB ports intermittent USB ports loose USB ports no power USB ports stop after sleep Wrong USB mode Wrong USB power delivery