In order to run Asset Depreciation and posting it into the nominal:
Click Menu, Assets, Assets
Select on the Asset that you want to depreciation for and on the top bar click Depreciate
Enter the date you want to run depreciation for, enter a reference and add notes if needed then click Add to Batch
Under Assets, fill out the Depreciation % and click Save
Where it says In Progress, click Complete and then Yes and this process will be complete
Within Assets, click Utilities, Update Nominal
Click +NEW
Under Summary and Defaults, fill out the relevant information according to the Asset
Select the Depreciation check box and click Save
Click Complete and Yes.