Win7 System Device Manager How to troubleshoot without a network adapter?

Win7 System Device Manager How to troubleshoot without a network adapter?

One, not installed network card driver

Solution: If the computer's system-driven installation package does not have the appropriate driver files, resulting in network card driver failed to install, they do not know the model card, you can first copy from other places a network adapter universal driver to install. After the computer can be connected to the Internet, and then download and install the "Drive Wizard" or "Drive Life", the software can be run on the improper and not installed hardware drivers to scan the installation, to "drive life" as an example;

Second, the network card is bad

1, if the network card is damaged, will also lead to the failure to find a network card or NIC driver installation failed. If it is a separate network card, replace the new card can be resolved, if it is a onboard network card, you need to enter the motherboard BIOS shielding the original network card, and then install a separate network card on it;

2, Boot press the DEL key into the BIOS, select integrated peripherals (green box), enter, you can see inside a onboard LAN device, press the Function key area page UP or PAGE down, select Disabled can