In the depreciation entry, enter a SALE DATE. If not sold, don't enter a sales price. The depreciation schedule will show you the remaining depreciable basis that would be a distribution to the party taking the asset. 

If it is a sale, you need to do more work. Post back here if you need help. You should find what you need here: https://proconnect.intuit.com/community/form-8949/help/entering-a-sale-or-disposition-of-assets/00/5...