I need the 2.4 for my ps4. Sony didn't make it capable of using the 5 option.
Are you sure about that? The technical specs on the PS4 shows it has 802.11ac WiFI, which includes a 5 GHz band.
You said that you tried powercycling it. Have you tried hard resetting to factory defaults by pressing and holding in the recessed reset button on the rear for 30 seconds ? You will lose any customized settings.
Try this: Log into your device and change the name of one of the networks. Doesn't matter if it's the 2.4GHz or the 5GHz network. Then try connecting again.