A steady and delicate hand is required to repair a charred circuit board. Remove the panel and the computer or component case screws with a screwdriver. Place the computer case, motherboard side up, on a clean, level surface. Unsnap the ribbon cables and wire pin connections to disconnect all peripheral devices.
You can fix a circuit board yourself if you have a little technical knowledge and a few simple tools. Examine the burnt circuit board and note the size of the discolored region that separates the burned section of the circuit board from the rest of the circuit board. Determine the extent of the burn’s damage by measuring its depth.
Can I overheat a printed circuit board (PCB)?
Printed circuit boards (PCBs) are constructed from layers of fiberglass and copper that are bonded together. Despite the fact that the glues used are extremely heat resistant, it is possible to overheat a PCB and cause it to fail.
How to fix a burnt PCB?
Cleaning away any remaining burnt PCB material is also a good idea in order for the tape to attach effectively to its surface. Apply some copper tape to the surface. It is necessary to slightly overlap the current track.