Use a solid black and solid white background to spot dead pixels, bright spots, or flickering.
Open a text editor and type on every single key to ensure none are sticky or non-functional. buying open box laptop
Run a command prompt as administrator and type powercfg /batteryreport to see the full charge capacity vs. design capacity . Aim for above 80-85% health . Use a solid black and solid white background
Check for dents, deep scratches, or cracks, especially at the corners and hinges . buying open box laptop