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Troubleshooting Laptop Issues Part 3 Some of the last topics we will discuss include hardware issues such as bad wireless card or card connectivity issues because the MAC address is wrong or other wireless access point setting is incorrect. Next we look at Bluetooth and how it works, and whey the simplest issue is just confirming its both physically on the device as well as in the Windows OS. And finally we examine how to resolve physical hardware issues such as not connecting to an external monitor, and performing disassembly repairs assuring we've installed new components correctly, replaced all required parts, cables, used the appropriate tools without damaging parts or components, haven't broken connectors and have correctly labeled and accounted for every component during the disassembly-reassembly process.