Audio Faults

Audio crackling Audio distortion Audio dropouts Headphones not detected Internal speakers buzzing Internal speakers 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

Battery Faults

Battery drains quickly Battery health degraded Battery percentage jumps Cannot charge above 80% Fake battery percentage Fast drain in sleep mode Overheating while charging Rapid drain under load Slow charging Sudden shutdown at 20–30% Turns off while charging Won’t hold charge

Connectivity Faults

Bluetooth disconnects randomly Bluetooth not pairing Ethernet not working Frequent WiFi dropouts Internet slow during uploads Local network unreachable Network adapter missing Slow download speeds Slow upload speeds WiFi not detecting networks WiFi not joining known networks WiFi signal weak WiFi turns off by itself Wireless adapter missing in Device Manager

CPU Faults

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

Display Faults

Backlight flickering Black screen after boot Colour accuracy incorrect Display distortion Horizontal lines Image ghosting No external display output Random display artifacts Screen dim at full brightness Screen flickering Screen goes black randomly Vertical coloured lines Touchscreen ghost touches Touchscreen unresponsive

GPU Faults

Graphics artifacts GPU overheating GPU throttling Low FPS No display output Random black screens VRAM overheating Wrong GPU temperature readings Zero RPM stuck

Input Device Faults

External monitor not detected Headphone jack no sound Keyboard keys not registering Keyboard typing wrong characters Mouse cursor erratic Power button unresponsive SD card reader not working Touchpad not responding USB ports intermittent USB ports loose USB ports no power USB ports stop after sleep Volume buttons not working Webcam black image Webcam not turning on

Power Faults

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

Software Faults

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

Storage Faults

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

Thermal Faults

Constant loud fan CPU/GPU thermal warnings Dust buildup Excessive heat from base Fan at full speed Fan not spinning High temps under load Hot air from vents Overheating during rendering Overheating shutdowns Slow due to heat Temp spikes over 90°C Thermal paste issues Throttling due to heat Warm when idle

USB and I/O Faults

Random disconnects USB‑A not detecting devices USB‑C charging not working USB‑C data not working USB‑C display not working USB‑C port damaged USB ports intermittent USB ports loose Wrong USB mode Wrong USB power delivery