Network controller in Toshiba® Portege M780
A Network controller or Network card is a part of the computer hardware which enables the computer to connect and communicate over a network of computers or communicating devices by using necessary cables. Network controller hardware connects itself to the mother board of the computer by means of a PCI, PCI-E or USB interface and to the network by using Fast Ethernet, Gigabit Ethernet, Token ring or Optical fiber ports or cables. The Network controller in Toshiba M780 is incorporated with 10/100/1000 Ethernet support. The network controller in Toshiba Portege M780 might cease to work due to several reasons such as corrupt drivers, virus activity in the system or faulty hardware.
- System Restore
- Uninstall/Reinstall device drivers
- Virus scan
The network controller might stop working after you have installed some programs or some modifications in the system settings which might point to a corrupt registry which in turn results in a faulty network connection. This known or unknown action which might have lead to the malfunctioning of the network controller in Toshiba Portege M780 can be solved by using the System restore facility which is pre installed in the laptop. This option simply rolls back the computer to a defined date and time when it was functioning smoothly and will undo the unnecessary changes without affecting the data stored in the system. Try connecting to the network after this step is done.
Uninstall/Reinstall device drivers
Sometimes the process of updating the network controller driver/other drivers or installation of certain programs might result in the corruption of the necessary drivers. This can be resolved by either uninstalling and updating or reinstalling the drivers of the network controller through the device manager. If you see a yellow question mark against your Ethernet controller in the Device manager then it is due to a faulty or missing driver and reinstalling it with a signed driver from the manufacturer’s website or supplied media will solve the issue.
Potentially dangerous or unwanted programs might modify the network adapter settings or drivers which lead to a faulty network component or configuration. Scanning the computer using a good antivirus program will remove the unwanted programs or viruses from the system and will help restore the integrity of the system and reinstalling the necessary drivers after this process will solve the issues with network controller.
The faulty conditions of the network adapter can hinder the connectivity of the Toshiba Portege M780. Proper procedure for troubleshoot must be followed which will ensure the continued service and warranty of the device in case of faulty hardware.