You cannot add "HP Elitebook 840 G4 14" i5 7th gen SSD 256GB RAM 8GB Backlit Grade B+ refurbished laptop SKU7755" to the basket because the product is out of stock.
Dell Precision 5550 15.6″ UHD i7-10th gen SSD 1TB RAM 32GB Touchscreen NVIDIA 4GB Grade A SKU7719