Home Laptop AC Adapter COMPAQ 421 adapter Replacement Laptop AC Adapter for COMPAQ 421 Find other parts for yourCOMPAQ 421 COMPAQ 421 Laptop AC Adapter 29.99USD421 Keyboard 29.99USD421 DVD Burner 29.99USD Code:US 421 Laptop AC Adapter Special Price: $29.99USD Brand new product with 1 year warranty!