QB Issue Resolution:

Yes, with latest update, the word Registers was replaced with Chart of Accounts, this does take you to the same place and have the same functionality.

OR

To access your bank register you will now need to:

Click on the Gear at the top next to your company name.
Select Chart of Accounts.
Click on the account and click Register at the top.

I know sometimes with the new updates, and change of the terminology, it can be a little confusing.

Resolution for Issue 'when I go to the check register I cannot see where or how to get to prior entries' available: Yes (Solved).
Source: Intuit Community forum.

when I go to the check register I cannot see where or how to get to prior entries: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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