troubleshooting woes

i have been assisting customers get their internet connection up the whole day, yet back at the house, i have been struggling to get the wireless working. it started during the weekend. it was raining and diagnostics said it's an antenna issue and i needed to contact online helpdesk, which i didn't do (and didn't like to do). i didnt have much time then with dad at the hospital and mom being a bit under the weather. besides that, the monitor that was plugged to the server just flickered and sat there with a dark screen. at first i thought that it was a monitor issue until i tried plugging it to another PC and it worked. i tried connecting the three other monitors to the server and all behaved the same. bro said i needed to tighten the connection of the monitor to the video card on the PC. that's where i got lost and decided that the internet connection needed the break as much as i did.
so after getting the hardware rested for two days, i got the connection running now, but only on the server. i still have to figure out how to get the network up (it did run for a bit until i somehow deleted one LAN connection and plugged the cable on another port). Really tricky...