Recent content by khchuang

I only changed the battery and didn't touch at other components. I believe the only way to reset the motherboard is to remove the battery. One thing weird about it is the USB port can power up USB device when I have AC plug in (with battery removed), That means the AC charging port is working...

I have a hp Pavilion laptop. After changing to a new battery, it worked for few months before it suddenly not able to power on. There was no charging light turning on at the charging port when I plugged in AC. I tried many methods suggested at web but none of them work. The battery was charged...