HP Drive (Product) DG921A is compatible in the following HP Models:

HP Special Edition L2000 Notebook PC series

HP SPECIAL EDITION L2005CM NOTEBOOK PC - EP446UA
HP SPECIAL EDITION L2005CM RFRBD NOTEBOOK PC - EP446UAR
HP SPECIAL EDITION L2005CX NOTEBOOK PC - ET940UA
HP SPECIAL EDITION L2205NR NOTEBOOK PC - EP384UA
HP SPECIAL EDITION L2205NR RFRBD NOTEBOOK PC - EP384UAR
HP SPECIAL EDITION L2300 CTO NOTEBOOK PC - EM704AV
HP SPECIAL EDITION L2300 CTO NOTEBOOK PC - ET060AV
HP SPECIAL EDITION L2300 RFRBD NOTEBOOK PC - EM704AVR
HP SPECIAL EDITION L2300 RFRBD NOTEBOOK PC - ET060AVR
HP SPECIAL EDITION L2310CU NOTEBOOK PC - EZ623UA

HP Pavilion zv6000 Notebook PC series

HP PAVILION ZV6302US NOTEBOOK PC - ET882UA
HP PAVILION ZV6302US RFRBD NOTEBOOK PC - ET882UAR

HP Pavilion ze2000 Notebook PC series

HP PAVILION ZE2000T CTO NOTEBOOK PC - PS848AV
HP PAVILION ZE2000Z CTO NOTEBOOK PC - PV815AV
HP PAVILION ZE2005US NOTEBOOK PC - PX384UA
HP PAVILION ZE2110US NOTEBOOK PC - EC198UA
HP PAVILION ZE2220LA NOTEBOOK PC - EF124LA
HP PAVILION ZE2296XX NOTEBOOK PC - EF345AS

HP Pavilion ze1000 Notebook PC series

HP PAVILION ZE1000 NOTEBOOK PC - 470063-020
HP PAVILION ZE1000 NOTEBOOK PC - BA903AS
HP PAVILION ZE1000 NOTEBOOK PC - EA389UA

HP Pavilion dv8000 Notebook PC series

HP PAVILION DV8000T CTO NOTEBOOK PC - EE944AV
HP PAVILION DV8000T RFRBD NOTEBOOK PC - EE944AVR
HP PAVILION DV8100 CTO NOTEBOOK PC - ES184AV
HP PAVILION DV8100 RFRBD NOTEBOOK PC - ES184AVR
HP PAVILION DV8110US NOTEBOOK PC - EP404UA
HP PAVILION DV8110US RFRBD NOTEBOOK PC - EP404UAR
HP PAVILION DV8113CL NOTEBOOK PC - EP353UA
HP PAVILION DV8113CL RFRBD NOTEBOOK PC - EP353UAR
HP PAVILION DV8125NR NOTEBOOK PC - EP410UA
HP PAVILION DV8125NR RFRBD NOTEBOOK PC - EP410UAR
HP PAVILION DV8130US NOTEBOOK PC - EP406UA
HP PAVILION DV8130US RFRBD NOTEBOOK PC - EP406UAR
HP PAVILION DV81XXUS NOTEBOOK PC - EP966AS
HP PAVILION DV81XXUS RFRBD NOTEBOOK PC - EP966ASR
HP PAVILION DV8200 CTO NOTEBOOK PC - EE885AV
HP PAVILION DV8200 CTO NOTEBOOK PC - EM840AV
HP PAVILION DV8200 RFRBD NOTEBOOK PC - EE885AVR
HP PAVILION DV8200 RFRBD NOTEBOOK PC - EM840AVR
HP PAVILION DV8210CA NOTEBOOK PC - ET839UA
HP PAVILION DV8210CA NOTEBOOK PC - ET839UAR
HP PAVILION DV8210US NOTEBOOK PC - ET831UA
HP PAVILION DV8210US RFRBD NOTEBOOK PC - ET831UAR
HP PAVILION DV8213CL NOTEBOOK PC - ET830UA
HP PAVILION DV8218TX NOTEBOOK PC - EX043PA
HP PAVILION DV8220CA NOTEBOOK PC - ET837UA
HP PAVILION DV8220CA RFRBD NOTEBOOK PC - ET837UAR
HP PAVILION DV8220US NOTEBOOK PC - ET832UA
HP PAVILION DV8225CA NOTEBOOK PC - ET840UA
HP PAVILION DV8225NR NOTEBOOK PC - ET834UA
HP PAVILION DV8225NR RFRBD NOTEBOOK PC - ET834UAR
HP PAVILION DV8230CA NOTEBOOK PC - EU010UA
HP PAVILION DV8230US NOTEBOOK PC - EU006UA
HP PAVILION DV8230US NOTEBOOK PC - EU006UAR
HP PAVILION DV8235NR NOTEBOOK PC - EU008UA
HP PAVILION DV8235NR RFRBD NOTEBOOK PC - EU008UAR
HP PAVILION DV8240US NOTEBOOK PC - ET833UA
HP PAVILION DV8280US NOTEBOOK PC - EU007UA
HP PAVILION DV8298XX NOTEBOOK PC - ES931AS
HP PAVILION DV8299XX NOTEBOOK PC - ES932AS

HP Pavilion dv5000 Notebook PC series

HP PAVILION DV5001XX NOTEBOOK PC - EP971AS
HP PAVILION DV5020CA NOTEBOOK PC - EP420UA
HP PAVILION DV5020CA RFRBD NOTEBOOK PC - EP420UAR
HP PAVILION DV5029US NOTEBOOK PC - ES311UA
HP PAVILION DV5029US RFRBD NOTEBOOK PC - ES311UAR
HP PAVILION DV5030US NOTEBOOK PC - EP412UA
HP PAVILION DV5030US RFRBD NOTEBOOK PC - EP412UAR
HP PAVILION DV5035NR NOTEBOOK PC - EP414UA
HP PAVILION DV5035NR RFRBD NOTEBOOK PC - EP414UAR
HP PAVILION DV5040US NOTEBOOK PC - EP413UA
HP PAVILION DV5040US RFRBD NOTEBOOK PC - EP413UAR
HP PAVILION DV5088XX NOTEBOOK PC - EP967AS
HP PAVILION DV5100 CTO NOTEBOOK PC - EE711AV
HP PAVILION DV5100 CTO NOTEBOOK PC - EE712AV
HP PAVILION DV5100 RFRBD NOTEBOOK PC - EE711AVR
HP PAVILION DV5100 RFRBD NOTEBOOK PC - EE712AVR
HP PAVILION DV5100 RFRBD NOTEBOOK PC - ES186AVR
HP PAVILION DV5110CA NOTEBOOK PC - ET811UA
HP PAVILION DV5110US NOTEBOOK PC - ET804UA
HP PAVILION DV5115NR NOTEBOOK PC - ET816UA
HP PAVILION DV5116NR NOTEBOOK PC - EX692UA
HP PAVILION DV5117CA NOTEBOOK PC - ET815UA
HP PAVILION DV5117CL NOTEBOOK PC - ET800UA
HP PAVILION DV5123CL NOTEBOOK PC - ET803UA
HP PAVILION DV5129US NOTEBOOK PC - EX691UA
HP PAVILION DV5130CA NOTEBOOK PC - ET813UA
HP PAVILION DV5130US NOTEBOOK PC - ET806UA
HP PAVILION DV5135NR NOTEBOOK PC - ET808UA
HP PAVILION DV5139US NOTEBOOK PC - ET818UAR
HP PAVILION DV5140CA NOTEBOOK PC - ET814UA
HP PAVILION DV5140US NOTEBOOK PC - ET807UA
HP PAVILION DV5140US RFRBD NOTEBOOK PC - ET807UAR
HP PAVILION DV5150US NOTEBOOK PC - ET771UA
HP PAVILION DV5150US RFRBD NOTEBOOK PC - ET771UAR
HP PAVILION DV5163CL NOTEBOOK PC - ET778UA
HP PAVILION DV5170US NOTEBOOK PC - ET772UA
HP PAVILION DV5170US RFRBD NOTEBOOK PC - ET772UAR
HP PAVILION DV5178US NOTEBOOK PC - ET779UA
HP PAVILION DV5190US NOTEBOOK PC - ET773UA
HP PAVILION DV5190US RFRBD NOTEBOOK PC - ET773UAR
HP PAVILION DV5196XX NOTEBOOK PC - ES933AS
HP PAVILION DV5199XX NOTEBOOK PC - ES936AS

HP Pavilion dv1000 Notebook PC series

HP PAVILION DV1100 CTO NOTEBOOK PC - PN310AV
HP PAVILION DV1100 CTO NOTEBOOK PC - PN311AV
HP PAVILION DV1115LA NOTEBOOK PC - PU960LA
HP PAVILION DV1117LA NOTEBOOK PC - PV998LA
HP PAVILION DV1125LA NOTEBOOK PC - PU959LA
HP PAVILION DV1130CA NOTEBOOK PC - PR426UA
HP PAVILION DV1130US NOTEBOOK PC - PR423UA
HP PAVILION DV1130US RFRBD NOTEBOOK PC - PR423UAR
HP PAVILION DV1131WM-B NOTEBOOK PC BUNDLE - PU735A
HP PAVILION DV1133WM NOTEBOOK PC - PR430UA
HP PAVILION DV1133WM RFRBD NOTEBOOK PC - PR430UAR
HP PAVILION DV1135LA NOTEBOOK PC - PU951LA
HP PAVILION DV1150US NOTEBOOK PC - PR424UA
HP PAVILION DV1150US RFRBD NOTEBOOK PC - PR424UAR
HP PAVILION DV1156CL NOTEBOOK PC - PR428UA
HP PAVILION DV1156CL RFRBD NOTEBOOK PC - PR428UAR
HP PAVILION DV1170CA NOTEBOOK PC - PR427UA
HP PAVILION DV1170CA RFBD NOTEBOOK PC - PR427UAR
HP PAVILION DV1170US NOTEBOOK PC - PR425UA
HP PAVILION DV1170US RFRBD NOTEBOOK PC - PR425UAR
HP PAVILION DV1175US NOTEBOOK PC - PT980UA
HP PAVILION DV1175US RFRBD NOTEBOOK PC - PT980UAR
HP PAVILION DV1180US NOTEBOOK PC - PT978UA
HP PAVILION DV1180US RFRBD NOTEBOOK PC - PT978UAR

Compaq Presario V5000 Notebook PC series

COMPAQ PRESARIO CTO NB PC V5000 - EE812AV
COMPAQ PRESARIO CTO NB PC V5000 - EE812AVR
COMPAQ PRESARIO CTO NOTEBOOK PC V5000 - EE311AV
COMPAQ PRESARIO CTO NOTEBOOK PC V5000 - EE311AVR
COMPAQ PRESARIO CTO NOTEBOOK PC V5000 - EE869AV
COMPAQ PRESARIO CTO NOTEBOOK PC V5000 - EE869AVR
COMPAQ PRESARIO CTO NOTEBOOK V5000 - EE312AV
COMPAQ PRESARIO CTO NOTEBOOK V5000 - EE312AVR
COMPAQ PRESARIO NOTEBOOK PC V5005US - EP421UA
COMPAQ PRESARIO NOTEBOOK PC V5005US - EP421UAR
COMPAQ PRESARIO NOTEBOOK PC V5015US - EP422UA
COMPAQ PRESARIO NOTEBOOK PC V5015US - EP422UAR
HP PRESARIO V5015CA NOTEBOOK - EP426UA
HP PRESARIO V5015CA NOTEBOOK - EP426UAR

Compaq Presario V4000 Notebook PC series

COMPAQ PRESARIO CTO NOTEBOOK V4000 - EA890AV
COMPAQ PRESARIO CTO NOTEBOOK V4000 - EA890AVR

Compaq Presario V2000 Notebook PC series

COMPAQ PRESARIO NOTEBOOK PC V2205US - PX333UA
COMPAQ PRESARIO NOTEBOOK PC V2205US - PX333UAR
COMPAQ PRESARIO NOTEBOOK PC V2210CA - PX335UA
COMPAQ PRESARIO NOTEBOOK PC V2220US - PX332UA
COMPAQ PRESARIO NOTEBOOK PC V2220US - PX336UA
COMPAQ PRESARIO NOTEBOOK PC V2220US - PX337UA
COMPAQ PRESARIO NOTEBOOK PC V2220US - PX337UAR
COMPAQ PRESARIO V2250EA NOTEBOOK PC - EC055EA
COMPAQ PRESARIO V2305US NOTEBOOK PC - EC177UA

Compaq Presario M2000 Notebook PC series

COMPAQ PRESARIO CTO NB PC M2000 - EM700AV
COMPAQ PRESARIO CTO NB PC M2000 - EM700AVR
COMPAQ PRESARIO CTO NB PC M2000 - ET058AV
COMPAQ PRESARIO CTO NB PC M2000 - ET058AVR
COMPAQ PRESARIO NOTEBOOK PC 2301XX - EL604AS
COMPAQ PRESARIO NOTEBOOK PC M2401XT - EC253UA
COMPAQ PRESARIO NOTEBOOK PC M2401XT - EC253UAR