Note that the cable between the power supply and the computer is USB-C on each end, but one end has the wire at right angles to the connector, while the other has the wire going straight into the connector. If your power supply wire goes to the back of your desktop, it is preferable to use the right-angle connector on your computer. If your wire goes to the right or left, use the straight-in connector.
I just watched a Dell technician replace a motherboard on an XPS-13. He had the same problems as others on this forum of getting WiFi antenna wires hooked up to an Intel WiFi microboard. It took him a couple of minutes of fiddling, changing the position of the connector slightly then pressing, then shifting the connector again and trying again when it didn’t snap. He says that he has had to keep one fingernail untrimmed so that he can use it to press down on the connectors! If the connector doesn’t snap on, keep trying until it does.
For some people, it may be helpful to put on a pair of reading glasses so that they can see the tiny parts easily. Antenna wires come with a clear plastic sleeve over the connector and about 1 cm of the wire - these slide off with a gentle pull. Then pinch each antenna wire a couple of cm from the connector, then pinch the connector and twist until the flat side of the connector is in the same plane as the module. You can attach the wires using your fingers to pinch the connector down on the module, or place the module flat on the surface of one of the tiny cardboard boxes used for USB modules and press the antenna connector down. When the connectors are aligned and pressed, they will snap onto the module. It may take repeated tries to get the connectors aligned just right so that they snap when pressed. Before placing the bracket in place, get the needed screw ready by sticking it on the end of the magnetic screwdriver so you can insert the screw one-handed.
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Note that the cable between the power supply and the computer is USB-C on each end, but one end has the wire at right angles to the connector, while the other has the wire going straight into the connector. If your power supply wire goes to the back of your desktop, it is preferable to use the right-angle connector on your computer. If your wire goes to the right or left, use the straight-in connector.
I just watched a Dell technician replace a motherboard on an XPS-13. He had the same problems as others on this forum of getting WiFi antenna wires hooked up to an Intel WiFi microboard. It took him a couple of minutes of fiddling, changing the position of the connector slightly then pressing, then shifting the connector again and trying again when it didn’t snap. He says that he has had to keep one fingernail untrimmed so that he can use it to press down on the connectors! If the connector doesn’t snap on, keep trying until it does.
For some people, it may be helpful to put on a pair of reading glasses so that they can see the tiny parts easily. Antenna wires come with a clear plastic sleeve over the connector and about 1 cm of the wire - these slide off with a gentle pull. Then pinch each antenna wire a couple of cm from the connector, then pinch the connector and twist until the flat side of the connector is in the same plane as the module. You can attach the wires using your fingers to pinch the connector down on the module, or place the module flat on the surface of one of the tiny cardboard boxes used for USB modules and press the antenna connector down. When the connectors are aligned and pressed, they will snap onto the module. It may take repeated tries to get the connectors aligned just right so that they snap when pressed. Before placing the bracket in place, get the needed screw ready by sticking it on the end of the magnetic screwdriver so you can insert the screw one-handed.