Delete button keys not working laptop
Unlikely, good diagnosis though. You don't have much option there: Try a keyboard attached to it to see if that same key on the external keyboard works. If yes it means you will neeed to replace your laptop keyboard.
If it doesn't try to uninstall the keyboard driver and restart. keep your spare usb keyboard just in case, reinstall the driver from samsung support and download website if necessary.
Cheers
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