| When we install the USB Flash disk into my laptop, | | | | You can do it in Device Manager that the device is |
| sometimes the windows may notice : 'USB device not | | | | listed as unknown device to see. |
| found . What should I do ? As the laptop I/O interface | | | | So, how do I finally solved the problem? Well, |
| (port) are USB port. When the USB device not found | | | | apparently is a super easy solution! No need to edit the |
| we can not connect the mouse, keyboard, camera, | | | | registry, uninstall the driver, or something like that. |
| phone and printer to our Dell Inspiron 6400 battery | | | | Just disconnect your laptop from the wall outlet. Yes it |
| laptop! You can see the detail info below: | | | | is! Note that this does not stop just because its newer |
| So I started with the usual methods to repair it, including | | | | computers do not really stop when you press the |
| uninstalling the drivers for my devices and reinstalling | | | | power button, while the motherboard is still power. |
| them. This usually can solve the problem (sometime | | | | Explain first, the Inspiron E1505 battery motherboard is |
| the USB device not found problem caused by the disc | | | | where all computer hardware is connected, is |
| not plug in steady), but now it did not work! Then I tried | | | | connected, including the USB. Sometimes the |
| to reboot the laptop to make the system to recognize | | | | motherboard has to be charged too, because |
| the USB drivers. It did not work! | | | | something can go wrong, that is, work d. All USB ports |
| Then I asked the problem in Yahoo answer about this | | | | no more sudden. The small microchip on the |
| problem, Some one from kindly answered my problem. | | | | motherboard will reload the drivers and USB ports |
| Then I try his ways to solved the problem (USB driver | | | | back to should be to identify all devices! |
| can not work in the system). So I open the Device | | | | First turn off your computer or press the power button |
| Manager, and uninstall all devices under USB | | | | and then the plug from the wall. Let stand for a minute |
| controllers. Then reboot the Latitude D620 battery | | | | and then close it again. |
| laptop, install the USB drivers, but the problem also be | | | | Hopes that help you. |
| there ! | | | | |