iphonex黑屏有声音不亮屏

手机维修 3个月前

1、第1步:首先检查电脑的外部接线是否接好,把各个连线重新插一遍,看故障是否排除。

iphonex黑屏有声音不亮屏

2、第2步:如果故障依旧,接着打开主机箱查看机箱内有无多余金属物,或主板变形造成的短路,闻一下机箱内有无烧焦的糊味,主板上有无烧毁的芯片,CPU周围的电容有无损坏等。

3、第3步:如果没有,接着清理主板上的灰尘,然后检查电脑是否正常。

4、第4步:如果故障依旧,接下来拔掉主板上的Reset线及其他开关、指示灯连线,然后用改锥短路开关,看能否能开机。


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