Sure thing! First, grab a multimeter and check the main power rails – if the +5V or +12V isn’t coming out, the power supply or its regulator is probably dead. If you’ve got an old linear PSU, swap it for a modern switching unit or use a DC adapter that matches the spec. Next, clean every connector and solder joint with isopropyl alcohol – dust and oxidation kill those tiny pins. Look for any swollen or cracked electrolytics; replace them one by one. If the board still won’t power, try re‑flowing the connectors with a heat gun or a soldering iron, but keep the temperature steady so you don’t melt anything. Finally, grab the schematic if you can – a few test points will let you see if the CPU, clock, and RAM are getting the right signals. Take it slow, double‑check each tweak, and you’ll have that old machine humming again. Good luck!