Use this guide to replace your Dell Inspiron 15-7537 WiFi card if you have determined your WiFi connection issues are caused by a faulty WiFi card.
No parts required.
Make sure the display is closed. Then, flip the computer over so that you can see the bottom cover.
Loosen the two 5 mm Phillips #0 on the upper edge of the cover.
Remove the two 5 mm interior screws that connect the cover to the assembly using the same Philips head screwdriver from the previous step.
Use a spudger to remove the base cover from the rest of bottom cover.
Completely unscrew the 2 mm screw that connects the WiFi card to the mother board using a Philips head screwdriver.
Disconnect the two antennas (one black and one white) from the wireless card.
Remove the WiFi card.
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