beginning balance is wrong deleted deposit

Thanks for providing the details about the concern, @Mark1117. Let me help you correct your beginning balance in QuickBooks Online (QBO).

To correct the beginning balance, you can manually reconcile the transaction that wasn't deleted by going to your account register.

1. Go to the Gear icon and click Chart of Accounts.
2. Search for the account where the transaction is assigned. Click the View register.
3. Choose the transaction to expand the view.
4. Go to the check column, and continuously hit the box until you see R (reconciled).
5. Then, hit Save.

Additionally, here are helpful articles you can read about handling bank reconciliation in QuickBooks Online:

• Fix issues the first time you reconcile an account in QuickBooks Online
• Fix issues for accounts you've reconciled in the past in QuickBooks Online

Let me know if you have other concerns about reconciliation concerns. I'm always here to help you out. Have a great day.