
1) Hewlett-Packard rival 2) Maker of the Presario 3) Noted 1982 computer start-up 4) Onetime big name in PCs 5) Presario PC brand
Found on
https://www.crosswordclues.com/clue/compaq

Compaq Computer Corporation was a company founded in 1982, that developed, sold, and supported computers and related products and services. Compaq produced some of the first IBM PC compatible computers, being the first company to legally reverse engineer the IBM Personal Computer. It rose to become the largest supplier of PC systems during the 199...
Found on
http://en.wikipedia.org/wiki/Compaq
No exact match found.