USB可以充电不认硬件

Lucas

我的HP笔记本电脑USB接口可以充电不认硬件驱动正常

zhchzhcg

到BIOS开启USB功能  不行重装USB驱动 或重装系统

hhzlrx

说详细点，不认什么硬件，能更好的判断。

531326266

你 自动找不到新硬件还是  根本没 动作

军军军

重插一下USB连接线

Lucas

什么硬件也不行,没一点反应

395958119

USB线有没有换

橄榄

usb没有供电或加焊南桥

tannin123

USB 能充电说明供电正常，不认硬件的话，你可以先测量下阻值，如果阻值很小的话，就很可能南桥坏了，如果阻值在500-600欧，就查下外围有没有问题或者断线

ruid2010

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR]
"Type"=dword:00000001
"Start"=dword:00000003
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,44,00,\
  52,00,49,00,56,00,45,00,52,00,53,00,5c,00,55,00,53,00,42,00,53,00,54,00,4f,\
  00,52,00,2e,00,53,00,59,00,53,00,00,00
"DisplayName"="USB 大容量存储设备"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR\Security]
"Security"=hex:01,00,14,80,90,00,00,00,9c,00,00,00,14,00,00,00,30,00,00,00,02,\
  00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
  00,00,02,00,60,00,04,00,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,\
  05,12,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
  20,02,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,0b,00,00,00,00,\
  00,18,00,fd,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,02,00,00,01,01,\
  00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR\Enum]
"Count"=dword:00000000
"NextInstance"=dword:00000000
新建一文本文件，将上面的文件复制过去另存为*。REG运行一下试试！