Hello, I have problem with router WRT54GS ver7. After flashing new firmware (orifinal from Linksys) my router don't start. When I plug power, then the power LED flashes slowly. I try reset router. I Hold down Reset button for 30sec, then unplug power and wait 30sec. Then plug power .... After reset router start to management page, but I can't update firmware. Always fail. Help, please.