HP
WK829AV
is compatible in the following HP Models:
Compaq Presario CQ42 Notebook PC series
COMPAQ PRESARIO CQ42-200LA - WX488LA
COMPAQ PRESARIO CQ42-207TU NOTEBOOK PC - WY303PA
Compaq Presario CQ42-221TU NB PC - XC596PA
Compaq Presario CQ42-222TU NB PC - XC597PA
Compaq Presario CQ42-230TU NB PC - XG193PA
Compaq Presario CQ42-232TU NB PC - XJ343PA