Original HP Slim 230W Replacement AC Adapter for HP 8770w i7-3820QM 17.3 8GB/750 PC, HP 8770w i7-3840QM 17.3 16GB/256 PC, HP 8770w i7-3840QM 17.3 16GB/750 PC, HP 8770w i7-3840QM 17.3 4GB/750 PC, HP 8770w i7-3920XM 17.3 16GB/256 PC, HP 8770w i7-3920XM 17.3 16GB/750 PC, HP 8770w i7-3920XM 17.3 32GB/256 PC, HP 8770w i7-3920XM 17.3 32GB/750 PC, HP 8770w i7-3920XM 17.3 8GB/750 PC, HP 8770w i7-3940XM 17.3 32GB/750 PC, 100% Compatible with P/N: 693706-001, 677766-003, HSTNN-DA12S, H1D36AA#ABA.