MacBook Air flashing question-mark folder logic-board refurbishment in Putney SW15
MacBook Air in Putney SW15 stuck on the flashing question-mark folder after a macOS update. Diagnosis pointed to NAND-controller fault — …
Computer Repair Case Studies in London
Real repair stories and outcomes from PC Macgicians.
A few recent fixes that show how we diagnose, repair, and recover devices.
MacBook Pro display assembly replacement in Barnes SW13
MacBook Pro in Barnes SW13 with a damaged display. We confirmed the rest of the machine was healthy, then replaced the full display assembly …
Refurbished Laptop Supplied on a Payment Plan in Wimbledon SW19
A Wimbledon SW19 customer needed an affordable laptop. We supplied a checked refurbished machine for £300 and spread the cost over two …
Bambu Lab A1 Combo First Layer and AMS Feed Setup in Putney SW15
Bambu Lab A1 Combo setup in Putney SW15. We resolved first-layer failures and AMS Lite filament drag with belt tuning, profile correction, …
Bambu P1S AMS PETG Setup and Calibration in Wimbledon SW19
Bambu P1S setup in Wimbledon SW19. We fixed poor PETG output and AMS swap issues by correcting material mapping, purge values, PTFE seating, …
Bambu X1 Carbon AMS Recommission in Hammersmith W6
Bambu X1 Carbon setup in Hammersmith W6 after relocation. We fixed AMS feed faults and first-layer inconsistency with PTFE rerouting, …
Creality K1C Ringing and Nozzle Scrape Setup in Chelsea SW3
Creality K1C setup in Chelsea SW3. We fixed ringing and nozzle scrape faults by correcting belt tension, securing frame fixings, and …
Ender 3 V3 KE First Layer and Z Banding Setup in Fulham SW6
Creality Ender 3 V3 KE setup in Fulham SW6. We resolved first-layer failures and vertical banding by correcting gantry preload, Z alignment, …
Ender 5 Plus Dual Z Setup and Calibration in Battersea SW11
Creality Ender 5 Plus setup in Battersea SW11. We corrected frame squareness, dual Z sync, and coupler slip to restore accuracy on …
Anycubic Kobra 2 Under-Extrusion and Stringing Fix in Putney SW15
Anycubic Kobra 2 printing thin walls with heavy stringing in Putney SW15. Wrong slicer profile and over-temperature — reconfigured and …
Bambu Lab X1 Carbon Layer Shifting Fix in Clapham SW4
Bambu Lab X1 Carbon with intermittent layer shifting in Clapham SW4. Loose X-axis pulley grub screw causing belt slip at high acceleration — …
Creality Ender 3 V3 SE Not Extruding — Repaired in Wandsworth SW18
Creality Ender 3 V3 SE stopped extruding in Wandsworth SW18. We cleared a partial nozzle clog, replaced the extruder gear, and recalibrated …