![](/p.gif) | Compatibility | ENVY Ultrabook 4-1150br, ENVY Ultrabook 4-1130us, ENVY Ultrabook 4-1130la, ENVY Ultrabook 4-1050la, ENVY Ultrabook 4-1050ca, ENVY Ultrabook 4-1043cl, ENVY Ultrabook 4-1038nr, ENVY Ultrabook 4-1030us, ENVY Ultrabook 4-1030en, ENVY Ultrabook 4-1030ca, ENVY Ultrabook 4-1019wm, ENVY Ultrabook 4-1017nr, ENVY TouchSmart Ultrabook 4-1195ca, ENVY TouchSmart Ultrabook 4-1102xx, ENVY TouchSmart Sleekbook 4-1115dx, ENVY TouchSmart Sleekbook 4-1105dx, ENVY Sleekbook CTO 4t-1000, ENVY Sleekbook 4-1110us, ENVY Sleekbook 4-1016nr, ENVY Sleekbook 4-1010us, ENVY Pro Ultrabook Base Model, ENVY Pro Ultrabook (ENERGY STAR), ENVY Pro Ultrabook, ENVY 4-1252la Ultrabook |