... position to supply laptop LCD, laptop keyboard, battery, and adapter. We have our own professional engineer team and repair service ... board.2. Check whether lack of electronic insulation gummed paper.3. Check whether lacks of fittings, rust, rot heat elimination ... connection, Voice, Mouse, Keyboard, Dial, USB, SD connector, PC, 3.3V COMS battery, Battery whether charge and discharge, Full running 3D ...