Electrum not syncing

[lsdinc]

Hi all,
Apologies if this has been asked to many times but my electrum seems to be out of date and not syncing, it has been a while since I used it.
I sent BTC from my gdax but is not showing in my wallet. I looked up transaction and it says has happened.
I have electrum 2.7.18 installed on my rasp pi but I also have a trezor. Am nervous that if I uninstall the current electrum and update will the BTC still finds it s way there as long as I have the address it was sent to? Or is there something else I need to do? Or can I use that address and send it to my trezor instead?
Soz, I just find the whole seed thing still confusing etc.
Any advice be great, thanks in advance

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[TryNinja]

I have electrum 2.7.18 installed on my rasp pi

That's the issue. This version of Electrum has synchronization issues and a important vulnerability (already corrected in new versions). You will need to upgrade it to the latest version.

Am nervous that if I uninstall the current electrum and update will the BTC still finds it s way there as long as I have the address it was sent to?

Do you have your wallet seed stored anywhere? If anything happens, you can just open Electrum and use the word seed to restore your wallet again.

If you forgot to write it down or just ignored the warning when setting up your wallet, you can see it again by going to Wallet -> Seed; Remember to always double-check the words to see if everything is correct.

[lsdinc]

Great, thank you very much. That's what I thought but just needed to hear it straight. Appreciate your time.

[BitMaxz]

Great, thank you very much. That's what I thought but just needed to hear it straight. Appreciate your time.

just additional, you can also make a backup of your private keys from electrum by going to addresses tab and choose bitcoin address with balance and right click then choose the private key then copy it to notepad now you can install the latest electrum wallet and it should be fine.