HP
WL577AV
is compatible in the following HP Models:
Compaq Presario CQ42 Notebook PC series
COMPAQ PRESARIO CQ42-200LA - WX488LA
COMPAQ PRESARIO CQ42-203LA - WX489LA
COMPAQ PRESARIO CQ42-204TU NOTEBOOK PC - WT503PA
COMPAQ PRESARIO CQ42-211BR - XA768LA
COMPAQ PRESARIO CQ42-211BR - XA768LAR
Compaq Presario CQ42-219TU NB PC - XB794PA
Compaq Presario CQ42-220TU NB PC - XC588PA
Compaq Presario CQ42-221TU NB PC - XC596PA
Compaq Presario CQ42-222TU NB PC - XC597PA
Compaq Presario CQ42-225TU NB PC - XC617PA
Compaq Presario CQ42-226TU NB PC - XC618PA
Compaq Presario CQ42-229TU NB PC - XG181PA
Compaq Presario CQ42-230TU NB PC - XG193PA
Compaq Presario CQ42-231TU NB PC - XJ342PA
Compaq Presario CQ42-232TU NB PC - XJ343PA
Compaq Presario CQ42-235TU NB PC - XV779PA