Knowledge Hub
Guides & how-tos for Nintendo Switch (V1 / V2).
Nintendo Switch won't turn on: battery, charging current and PMIC (MAX77620) checks
A Switch that looks dead is often just frozen or completely flat, but a failed battery, a damaged charging path or a problem around the MAX77620 power-management IC are also common. Start with Nintendo's reset and charge steps, read the USB current to decide where to look, then test the battery and
by CircuitScope research team · 09 Oct 2026 · 3
Joy-Con stick drift: calibration, cleaning and analogue stick replacement
Joy-Con 'drift' - the stick registering movement nobody is making - is the most common Switch controller fault, and the left Joy-Con is hit most often. Work through Nintendo's software checks and calibration first, then clean or replace the stick module, which is held by two screws and a ribbon conn
by CircuitScope research team · 09 Oct 2026 · 6
Nintendo Switch USB-C port repair (won't charge, charges one way round only, loose plug)
A damaged, dirty or poorly soldered USB-C socket is one of the most common reasons a Switch stops charging or stops sending video to the dock. This guide covers checking the port from outside, testing it on the bench, and replacing the soldered socket (including rebuilding lifted pads) when the port
by CircuitScope research team · 09 Oct 2026 · 6
Switch stopped charging after a third-party dock or charger (M92T36 / BQ24193 diagnosis)
Third-party docks and poor USB-C accessories are well known for killing the Switch's USB-C power controller (M92T36), leaving a console that will not charge and will not output to a TV. This guide shows how to confirm the fault with a USB meter and multimeter, and how repairers replace the M92T36 -
by CircuitScope research team · 09 Oct 2026 · 9