Have you restarted your laptop for this? Are you running your wallet from a VPS or from your own personal PC/laptop? If from a VPS, have opened the correct port for you wallet? And if you're running it from a PC, try adding some nodes in your config file to allow some connections to go through. It would also be very convenient for you to ask for help from their social channels such Discord^[1] and Telegram^[2]? People thee will be able to provide you some useful tips on how to get around your issue.

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^[1]https://discord.gg/eeJethG
^[2]http://t.me/bitcoin_green