You want to change the opening balance for a balance sheet account for QuickBooks for Windows or Mac.
Edit the opening balance transaction from the register of that account:
Note: Accounts Receivable and Accounts Payable opening balances are treated differently in QuickBooks. See Entering opening balances for customers and vendors.
If these steps do not resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free or you can contact a technical support agent for additional guidance. Fees may apply.