Can you clarify the question above from jackg if it is 3.38 Electrum version or if it is 3.3.8?

Because if you use Electrum 3.38 you are using a fake Electrum wallet.

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If it shows not connected it means you are not connected to the internet or if you are connected the Electrum server you use is offline. So you have to change the server to an online Electrum server so that the wallet will sync properly and get the latest data of your wallet online.

You can find the servers when you click the circle or tools>Network>Server this is what it looks like below.