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- reconnect wireless HP 7640 Printer after switching to 5G sys...

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10-03-2024 06:01 PM
Product: HP ENVY 7640 e-All-in-One Printer
Product name HP Envoy 7640 All n one Printer. We recently switched to 5G for the internet. The printer will not connect back to WiFi, keeps asking for the network security key. What's that or where can I find it?
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