: Look for burnt components or "blown" capacitors, which are common on older 94V-0 rated boards. Multimeter Testing
Can you provide the of the graphics card or laptop you are working on to help narrow down the search? MV-4 94V-0 Schematic Diagram | PDF | Computers - Scribd Apcb M3 94v-0 Schematic
Often supports DDR2 or DDR3L (up to 16GB in AIO configurations) Operating Temp : Look for burnt components or "blown" capacitors,