Fix a problem
- Microphone not working? Find where the sound gets lost
A silent mic is lost at one of four points. Check them in order, from the cable to the app, and you can usually fix it in a few minutes. - Keyboard keys not working? What to try, in order
Some or all keys dead? Work out the pattern, rule out settings, then deal with crumbs, liquid and connections. Plus when to repair or replace. - Webcam not working: a calm checklist
Black picture, no camera found or the app says it is busy? Ask four simple questions and you will usually find the cause within a few minutes. - Ghost touches and an unresponsive screen: causes and fixes
Screen scrolling by itself or ignoring your finger? Common causes, from cases and chargers to damp fingers, and how to test for each one. - Controller stick drift: how to confirm it and what to do
Character moving on its own? Learn to tell real stick drift from a game setting, what you can fix at home, and when to repair or replace. - Headphones working in one ear only? Do the swap test
One ear silent or quieter? A simple swap test finds whether the fault is in the headphones, the cable, the jack or the settings. - Printer streaks, lines or faded colour: what the page is telling you
White lines, faded colour or repeating marks? Learn what each symptom means, how many cleaning cycles are worth it and when to stop. - Muffled phone speaker after water: what actually helps
Phone sounds dull after rain or a splash? What to do in the first hour, what to avoid, how a water eject sound works and when to see a repairer.