Usual MacBook WiFi Issues

• Wifi icon grey out ( Cannot Click )
• Wifi icon shows a “X” sign
• Wifi shows no Hardware installed
• Not able to detect wifi network
• Wifi Connected but no internet
• Network keep disconnecting
• Weak Wifi Signal 
• MotherBoard Hardware Issue

Macbook WiFi Not Working: How to Fix It

There exist multiple troubleshooting procedures that you can attempt to detect and potentially resolve the cause of your MacBook's Wi-Fi malfunction. Here are a few typical troubleshooting pointers:

1. Verify the Wi-Fi configuration: Make sure your MacBook is set up for Wi-Fi. Make sure "Wi-Fi On" is chosen when you click on the Wi-Fi symbol in the menu bar, which is situated in the upper right corner of the screen. To reestablish the connection, try turning it on and off again if it is already enabled.
2. Restart your MacBook: Occasionally, a straightforward restart might fix problems with Wi-Fi connectivity. Try restarting your MacBook to see if the Wi-Fi reconnects.
3. Verify network connectivity: Ensure that the network is operational by seeing if other devices are able to establish a successful connection with the network. The issue could not be with your MacBook but rather the Wi-Fi network itself if connectivity problems are also present on other devices.
4. Move closer to the WiFi router: If your Wi-Fi signal is spotty or inconsistent, consider moving closer to the router. Wi-Fi signal strength can be impacted by physical distance and obstructions like walls.
5. Reset the Wi-Fi router: Reset your WiFi router by turning it off, waiting a little while, and then turning it back on. Resetting the router's settings can help fix transient connectivity problems.
6. Reconnect after deleting the stored WiFi network: Navigate to "System Preferences" > "Network" and choose the wireless network. The saved Wi-Fi network can be deleted by clicking the minus (-) button. To reconnect, click the plus (+) button and choose the network from the list.
7. Reset the network configuration: Select "Network" under "System Preferences" and then press the "Advanced" option. To remove all saved Wi-Fi networks, select the "Remove" button under the "Wi-Fi" tab. After that, turn on your MacBook again and join the network again via Wi-Fi.
8. Update the Wi-Fi and macOS drivers: Make sure the most recent version of macOS is installed on your MacBook. To find out what updates are available, select "Software Update" under "System Preferences." Updating your Wi-Fi drivers might also aid in fixing compatibility problems. To find the most recent driver updates, visit the manufacturer's website.
9. Establish a new network address: Choose "Edit Locations" from the location dropdown menu under "System Preferences" > "Network." To add a new location, click the plus (+) icon. Next, set up the Wi-Fi configuration for the new location.
10. Reset the PRAM/NVRAM and SMC: Wi-Fi problems can occasionally be resolved by resetting the System Management Controller (SMC), the Parameter RAM (PRAM), and the Non-Volatile RAM (NVRAM). Visit Apple's support website for instructions on how to reset them.

Summary

If none of the aforementioned troubleshooting techniques work to fix your MacBook's Wi-Fi problem, you might choose to visit the IRepair service center or get in touch with Apple Support for more help. They can identify whether a hardware problem has to be fixed or replaced, or they can offer more complex troubleshooting procedures.