Antwoord op "screen light flickers; when unplugged"I have an R554L and have the same issue. My battery never charges to 100% only to 98%. If I unplug the comuter I can't use it, because the screen flashes so badly. It also no longer recognizes my phone when I plug it into the computer. It is as if the USB doesn't register that the phone is plugged in, however, all other USB devices work in that slot.