The laptop cannot find the wireless card

The PCMCIA wireless network card is installed for the notebook computer, but the NIC is not found in use.

This situation can be resolved from the following two aspects.

1. View the wireless card signal light. The semaphore does not light up, the slot on behalf of the PCMCIA is not powered. Test with the replacement method to check that the PCMCIA slots are working properly and then plug in the wireless network card. If the network card red signal is still not lit, the wireless card is damaged. The signal is lit, indicating that the NIC has been detected.

2.PCMCIA, USB interface of the wireless network card generally support hot-plug, but not arbitrarily plug, to ensure that the installation of wireless network cards and uninstall operation between the time interval, because the operating system on the wireless card every step of the action must have a certain time to be recognized.

If the wireless network card installation and uninstall does not exceed 10s, the system will easily not recognize the wireless network card, resulting in not working properly, or even cause system crashes, serious will also destroy the network card.