The wireless card disappeared from the laptop. The wireless card is missing from the network connections and device manager. It looks like there is no wireless card installed at all.
1. Bad contact between wireless card and motherboard.
2. Corrupted software.
3. Bad wireless card.
4. Motherboard failure.
Orange light on the laptop network port stopped flashing. The laptop will not connect to the local network and Internet.
1. Local Area Connection is disabled.
2. Defective network cable.
3. Bad network port.
The laptop network port is loose. In order to connect to the Internet you have to wiggle the cable inside the network port. The light on the network port starts blinking only if you find the right position for the cable.
1. Bad network cable.
2. Damaged network port.
The laptop stopped connecting to the wireless network. The wireless connection used to work fine but now it’s not working. You tested your laptop with a few wireless routers without any luck.
1. Wrong settings for the wireless card.
2. Bad or corrupted software.
3. Wireless card or router failure.