I have a deposit that i reconciled in 2/23 for $27k but the checks were not reconciled. how can i undo the $27k that was brought over by the bank & add in the checks

Good morning, @jennifer-sanders. 

Welcome to the Community! Let's work together to get this taken care of as soon as possible. 

To clarify, what product are you using of QuickBooks? 

In the meantime, you can review this guide below that could help you out: 

• Undo or remove transactions from reconciliations in QBO

I'll be waiting for your response!