Finance and more. Rebooting your Wi-Fi router -- and potentially your modem too -- can be as simple as unplugging it, waiting about 30 seconds and plugging it back in. If that doesn't work ...

In the same way that upgrading to one of the best Wi-Fi routers does, purchasing your own cable modem means that you will no longer have to pay equipment rental fees to your internet service provider.

This is the same as the Bluetooth feature. If your computer has a malfunctioning Bluetooth driver, but you want to use another Bluetooth adapter, you have to install the replacement driver.