got this 1 from anther site:
remove motherboard, locate bios chip on the back (upper left hand corner) , just below the bios chip there is a capacitor (NEK jE8) use a volt meter to discharge capacitor. Use the lowest setting like 2.5v, connect ground test lead to ground and hold positive lead to the + side of capacitor. Continue to hold untill you have zero voltage, once you have a zero reading, locate the fuse (M15) , on same side of motherboard, just under the docking station, use same process until discharged, Flip motherboard over and locate capacitor just to the left of the cpu, Use same process until zero, flip back over and return to the capacitor next to the bios chip and test, if zero your good to go, if you still have voltage repeat process until zero reading on both capacitor and fuse. Remember all this is to be done with No power from AC, Battery, and CMOS. Discharge process should take about 20 minutes. Tested and proven 100% and much faster than 3 to 10 days. Remember this will void your warranty. Good Luck