一直用的好好地,前几天启动电脑时,屏幕上出现“the AC power adapter wattage and type cannot be determined.
the battery may not chage.
the systerm will adjust the performance to match the power available.
please connect a DELL 65W adapter or greater for the best systerm performance…………(此处省略N个单词)”
到底怎么回事啊?刚买的电脑