This HP/Compaq 384021-001 Laptop AC Adapter / power Adapter, is compatible with the following Compaq and HP laptops:

HP Compaq nc4400 Laptop PC Series:
EN003AV, EN004AV, EY265EAR, EY265EA, EY266EA, EY267EA, EY480ES, EY533ES, EY598ES, EY599ES, EY605EAR, EY605EA, EY606EA, EY607EA, RA304AWR, RA304AW, RA304ETR, RA304ET, RA305AW, RA306AW, RA307AW, RA788PA, RA789PA, RA790PA, RA791PA, RA792PA, RA793PAR, RA793PA, RA795PA, RA796PA, RB127AAR, RB127AA, RB147AW, RC282PA, RC304PA, RC305PA, RC365PA, RC366PA, RC367PA, RD715PA, RD716PA, RD728PA, RD744PAR, RD744PA, RD769PA, RD770PA, RD771PA, RE645US, RE646US, RE748US, RE756US, RE858US, RE900USR, RE900US, RE906US, RE961PA, RE978PA, RF011PA, RF350UC, RF357UC, RF590UC, RF662PA, RF669PA, RF670PA, RF671PA, RF680PA, RF681PA, RF682PA, RF683PA, RF684PA, RF685PA, RF696PA, RF699PA, RF715UC, RG153UC, RH002EC, RH003EC, RH004EC, RH005EC, RH012EP, RH013EP, RH014EP, RH015EP, RH016EP, RH018EC, RH083PA, RH087PA, RH120PA, RH121PA, RH132PA, RH135PA, RH136PA, RH160PA, RH515ES, RH518ES, RH571ETR, RH571ET, RH725UC, RJ338AW, RJ341PC, RJ342PC, RJ362UC, RJ421EC, RJ443UP, RJ701EC, RJ702EC, RJ703EC, RJ704EP, RJ705EP, RJ706EP, RJ811UC, RJ890UC, RK024PA, RK025PA, RK026PA, RK027PA, RK028PA, RK029PA, RK030PA, RK062PA, RK068EC, RK082UC, RK086UP, RK298ECR, RK298EC, RK306EC, RK307EC, RK308EC, RK343EP, RK472EP, RK473EP, RK474EP, RK482EC, RK701US, RK715US, RK809US, RK815US, RK906US, RK936US, RK952US, RL880AWR, RL880AW, RL881AW, RL882AW, RL883AW, RL884AW, RL885AW, RL980PAR, RL980PA, RL981PA, RL982PA, RL983PA, RM003PAR, RM003PA, RM004PA, RM005PA, RM006PA, RM011PA, RM012PA, RM013PA, RM014PA, RM015PA, RM042PC, RM731PA, RM732PA, RM733PA, RM781PA, RM798PA, RM813PC, RM814PC, RM821EP, RM822EP, RM823EP, RN433UC, RN490PA, RN527PA, RN528PA, RN529PA, RN715UC, RN716UC, RP662UC, RP673UC, RP698UC, RP744UP, RP756EP, RQ050EP, RQ052EP, RQ154EP, RQ158EP, RQ159EP, RQ162EC, RQ163EC, RQ164EC, RQ165EC, RQ166EC, RQ167EC, RQ168EC, RQ229UC, RQ265UC, RQ773PA, RQ870UC, RQ880EC, RQ898UC, RR301EP, RR630PA, RR631PA, RR647PA, RR648PA, RR671PA, RR672PA, RR687PA, RR961PC, RR962PC, RR963PC, RR964PC, RS158US, RS233US, RS261US, RS262USR, RS262US, RS334US, RS392US, RS463UC, RS581UC, RS582UC, RS583UC, RS666EP, RS839EC, RT176UP, RT183UC, RT186UC, RT703EC, RU261UCR, RU261UC, RU277UC, RU280UC, RV660UC, RV684PC, RV686EP, RV687UC, RV775PC, RW695UP, RW798PC

HP Compaq nc6120 Laptop PC Series:
EA288UCR, EA288UC, EA722ES, EA733ESR, EA733ES, EA786UC, EA806ECR, EA806EC, EA817UC, EB239ES, EB247ES, EB421USR, EB421US, EB431USR, EB431US, EB432US, EB451US, EB454US, EB483US, EB485USR, EB485US, EB495USR, EB495US, EB526US, EB534USR, EB534US, EB538US, EB539US, EB590US, EC104EC, ED026ESR, ED026ES, ED089UC, ED555UC, ED556UC, ED918UC, ED927EC, ED928UC, ED929UC, ED986ES, ED988UC, ED989UC, EE026ES, EE213ES, EE214ES, EE237EC, EE246ES, EE443UC, EE580EC, EE657UC, EE974EC, EF276UC, EF301UC, EF379UC, EF382UC, EF469US, EF522US, EF525USR, EF525US, EF526USR, EF526US, EF533US, EF542US, EF545US, EF581US, EF615US, EF753US, EF784US, EF967EC, EF974UC, EF988UC, EG449UC, EG497EC, EG502UC, EG835UC, EG852LA, EG853LA, EG854LA, EG972UC, EH117UC, EH132UC, EH169UC, EH170UC, EH172UC, EH384UC, EJ042EP, EJ101ECR, EJ101EC, EJ524EC, EJ973EP, EK038ES, EK039ES, EK049ES, EK054ESR, EK054ES, EK055ES, EK081ES, EK091ESR, EK091ES, EK094ESR, EK094ES, EK101ES, EK103ESR, EK103ES, EK105ES, EK119ES, EK138ES, EK141ES, EK148ES, EK184ESR, EK184ES, EK195ES, EK204EAR, EK204EA, EK204ETR, EK204ET, EK207ES, EK209ES, EK212ES, EK222ETR, EK222ET, EK223ETR, EK223ET, EK232ESR, EK232ES, EK236ESR, EK236ES, EK311EP, EK315EC, EK321EP, EK545UC, EK557EC, EK566UC, EK567UC, EK719AAR, EK719AA, EK720AAR, EK720AA, EK720LA, EK721AAR, EK721AA, EK722AAR, EK722AA, EK722LA, EL735USR, EL735US, EL811USR, EL811US, EL821US, EL822US, EL823US, EL824US, EL835US, EL872US, EL929US, EL942USR, EL942US, EL976US, EL983USR, EL983US, EM015EC, EM214UC, EN171UA, EN793UC, EN836UC, EN843UC, EN934ECR, EN934EC, EP817UC, EP828UC, EP844EC, EP916LA, EQ047EC, EQ088US, EQ141US, EQ147US, EQ171US, EQ176US, EQ224US, EQ225US, EQ232US, EQ258US, EQ273USR, EQ273US, EQ374US, EQ498EC, ER603PA, ER647PA, ER677UC, ER718UC, ES158UC, ES352EP, ES386EC, ES419EP, ES420ES, ES421ES, ES427ESR, ES427ES, ES438ESR, ES438ES, ES447ES, ES448ES, ES454ES, ES456ES, ES569ES, ES574ES, ES581ES, ES619ES, ES681UC, ES697UC, ES727UC, ET407LA, ET706EC, EU474UC, EU716UC, EU779US, EU866US, EU872USR, EU872US, EU908US, EU973US, EU976US, EU993US, EV014US, EV310EC, EX151UC, EX152UC, EX595UC, EX601UC, EX669UC, EY008UC, EY249ES, EY293ES, EY325ES, EY326ESR, EY326ES, EY450ES, EY487ES, EY517ES, EY712EC, EY729UC, EY730UC, EY731UC, EY735UC, EY765LA, EZ315UC, EZ329UC, EZ943US, EZ944US, EZ960US, EZ983US, EZ991US, PC148UA, PG822EAR, PG822EA, PG822ETR, PG822ET, PG823EAR, PG823EA, PG823ETR, PG823ET, PG824EAR, PG824EA, PG824ETR, PG824ET, PG825EAR, PG825EA, PG825ETR, PG825ET, PG826EAR, PG826EA, PG837ES, PG838ES, PG842ES, PG848ES, PN933AV, PN936AV, PN939AV, PR125UAR, PR125UA, PR126UAR, PR126UA, PR127LA, PR127UAR, PR127UA, PT595AAR, PT595AA, PT596AAR, PT596AA, PT597AAR, PT597AA, PT598AAR, PT598AA, PT599AAR, PT599AA, PU458US, PU463US, PU464US, PU483USR, PU483US, PU486US, PU509US, PU592US, PU883AA, PU884AAR, PU884AA, PU884ETR, PU884ET, PU885AAR, PU885AA, PU885ETR, PU885ET, PX037AA, PX038AAR, PX038AA, PX501UC, PX502UC, PX503UC, PX504UC, PX505UC, PX506UC, PY357UC, PY370ESR, PY370ES, PY371ES, PY374ES, PY375ESR, PY375ES, PY389ES, PY390ES, PY392ESR, PY392ES, PY400ESR, PY400ES, PY404ES, PY405ES, PY413ES, PY426EAR, PY426EA, PY427EAR, PY427EA, PY428EAR, PY428EA, PY437ESR, PY437ES, PY438ES, PY447ES, PY448ES, PY449ES, PY450ES, PY453ES, PY459ES, PY460ES, PY462ES, PY463ES, PY465ES, PY466ES, PY467ESR, PY467ES, PY471ES, PY477ES, PY479ESR, PY479ES, PY483ESR, PY483ES, PY503EAR, PY503EA, PY503ETR, PY503ET, PY504EAR, PY504EA, PY504ET, PY505EAR, PY505EA, PY505ETR, PY505ET, PY506EAR, PY506EA, PY507EAR, PY507EA, PY507ETR, PY507ET, PY508EAR, PY508EA, PY508ETR, PY508ET, PY509EAR, PY509EA, PY509ETR, PY509ET, PY527ES, PY528ESR, PY528ES, PY534ES, PY546EAR, PY546EA, PY546ETR, PY546ET, PY547ES, PY555ES, PY560ES, PY563ESR, PY563ES, PY566ESR, PY566ES, PY567ESR, PY567ES, PY646US, PY922UCR, PY922UC, PZ121UAR, PZ121UA, PZ149UA, PZ150UA, PZ151UA, PZ152UA, PZ153UA, PZ154UA, PZ155UA, PZ156UA, PZ157UA, PZ158UA, PZ159UA, PZ160UA, PZ161UA, PZ162UA, PZ163UA, PZ164UA, PZ165UA, PZ166UA, PZ167UA, PZ168UA, PZ169UA, PZ170UA, PZ171UA, PZ340UA, PZ341UA, PZ342UA, PZ343UA, PZ344UA, PZ345UA, PZ346UA, PZ347UA, PZ348UAR, PZ348UA, PZ349UA, PZ350UAR, PZ350UA, PZ351UAR, PZ351UA, PZ352UA, PZ353UA, PZ354UA, PZ355UA, PZ356UAR, PZ356UA, PZ357UA, PZ358UA, PZ359UAR, PZ359UA, PZ360UA, PZ361UA, PZ362UAR, PZ362UA, PZ363UAR, PZ363UA, PZ512UA, PZ513UAR, PZ513UA, PZ627UA, PZ628UA, PZ716UA, PZ717UA, PZ718UAR, PZ718UA, PZ719UA, PZ720UA, PZ721UA, PZ722UA, PZ723UA, PZ724UA, PZ725UA, PZ726UA, PZ727UA, PZ728UAR, PZ728UA, PZ729UA, PZ730UA, PZ731UAR, PZ731UA, PZ732UA, PZ733UAR, PZ733UA, PZ734UA, PZ735UA, PZ736UA, PZ737UA, PZ738UA, PZ739UA, PZ740UA, PZ741UA, PZ742UAR, PZ742UA, PZ743UAR, PZ743UA, PZ744UAR, PZ744UA, PZ745UA, PZ746UA, PZ747UA, PZ748UA, PZ749UA, PZ750UAR, PZ750UA, PZ751UA, PZ752UAR, PZ752UA, PZ753UA, PZ754UA, PZ755UA, PZ756UAR, PZ756UA, PZ757UAR, PZ757UA, RA024US, RA040US, RA041US, RA042US, RA085US, RA086US, RA112US, RA116US, RA153US, RA155US, RA161US, RA165US, RA190US, RA366UC, RA696UC, RB186UC, RB894EC, RC434EP, RC438EP, RC724UC, RC727LA, RD060UP, RD299UC, RD421EC, RD847UC, RE213LA, RE661US, RE663US, RE667US, RE669US, RE695US, RE791US, RF968UP, RG112UC, RG169UC, RL125UC, ZG699AV

HP Compaq nx6110 Series Laptop PC:
EA366LA, EA367LA, EA510PA, EA545PA, EA558PA, EA559PA, EB306US, EB307US, EB308US, EB309US, EB532US, EB536US, EC719LA, EC720LA, ED995UC, EE111PA, EE112PA, EE113PA, EE114PA, EE115PA, EE143PA, EE144PA, EE190UC, EF126LA, EF392UC, EF446US, EF478US, EF479US, EF480USR, EF480US, EF515USR, EF515US, EF535US, EF564USR, EF564US, EF834US, EG444UC, EG467UC, EG468UC, EG813UC, EG814UC, EH248PA, EH253PA, EH254PA, EH272PA, EH273PA, EH281PA, EH328PA, EH357UC, EH371LA, EH372LA, EH373LA, EH385UC, EJ917PA, EJ939PA, EJ943PA, EJ944PA, EJ945PA, EJ962PA, EJ963PA, EK040ES, EK044ESR, EK044ES, EK046ESR, EK046ES, EK048ES, EK057ES, EK058ES, EK059ESR, EK059ES, EK060ESR, EK060ES, EK063ESR, EK063ES, EK069ES, EK070ES, EK074ES, EK077ES, EK078ES, EK092ESR, EK092ES, EK093ES, EK098ESR, EK098ES, EK099ESR, EK099ES, EK104ES, EK106ESR, EK106ES, EK110ESR, EK110ES, EK113ESR, EK113ES, EK114ESR, EK114ES, EK115ESR, EK115ES, EK116ESR, EK116ES, EK121ESR, EK121ES, EK122ESR, EK122ES, EK124ESR, EK124ES, EK125ES, EK126ES, EK127ES, EK128ESR, EK128ES, EK134ES, EK135ESR, EK135ES, EK136ES, EK139ES, EK144ESR, EK144ES, EK149ESR, EK149ES, EK151ESR, EK151ES, EK153ES, EK164ESR, EK164ES, EK169ES, EK170ESR, EK170ES, EK172ESR, EK172ES, EK175ESR, EK175ES, EK183ESR, EK183ES, EK185ESR, EK185ES, EK187ES, EK201EAR, EK201EA, EK201ETR, EK201ET, EK202EAR, EK202EA, EK202ETR, EK202ET, EK203EAR, EK203EA, EK203ETR, EK203ET, EK208ES, EK214ESR, EK214ES, EK219ETR, EK219ET, EK220ETR, EK220ET, EK221ETR, EK221ET, EK228ESR, EK228ES, EK230ESR, EK230ES, EK231ES, EK233ES, EL165UC, EL171LA, EL337UC, EL338UC, EL813US, EL816US, EM343PA, EM348PA, EM349PA, EM350PA, EM355PA, EM359PA, EM374PA, EM389PA, EM390PA, EM391PA, EM392PA, EM417PA, EN166UA, EN169UTR, EN169UT, EQ206US, ER565UC, ER576PA, ER577PA, ER591PA, ER597PA, ER604PA, ES424ESR, ES424ES, ES428ESR, ES428ES, ES429ESR, ES429ES, ES430ES, ES431ESR, ES431ES, ES433ES, ES434ESR, ES434ES, ES435ES, ES436ESR, ES436ES, ES449ES, ES450ESR, ES450ES, ES452ESR, ES452ES, ES463ES, ES464ESR, ES464ES, ES465ESR, ES465ES, ES481ES, ES483ESR, ES483ES, ES484ESR, ES484ES, ES485ESR, ES485ES, ES487ESR, ES487ES, ES488ES, ES519ESR, ES519ES, ES539ETR, ES539ET, ES567ESR, ES567ES, ES568ESR, ES568ES, ES570ESR, ES570ES, ES575ESR, ES575ES, ES577ESR, ES577ES, ES578ES, ES579ESR, ES579ES, ES583ES, ES617ES, ES618ES, ET404LA, ET405LA, EU081LA, EU082LA, EU109LA, EU110LA, EU113LA, EU114LA, EU115LA, EU743US, EU882US, EU891US, EU925US, EU952US, EU971US, EV074LA, EV090LA, EX600UC, EX674UC, EX729PA, EX730PA, EX731PA, EX742PA, EX766PA, EY241ES, EY243ESR, EY243ES, EY245ES, EY246ESR, EY246ES, EY250ESR, EY250ES, EY256ES, EY257ES, EY259ES, EY260ES, EY261ES, EY262ES, EY286ES, EY287ES, EY289ES, EY290ES, EY292ESR, EY292ES, EY312ESR, EY312ES, EY318ES, EY333ESR, EY333ES, EY334ES, EY335ESR, EY335ES, EY338ES, EY339ES, EY489ESR, EY489ES, EY496ESR, EY496ES, EY498ESR, EY498ES, EY499ES, EY500ESR, EY500ES, EY564ESR, EY564ES, EY565ES, EZ946US, EZ948US, EZ964US, PC415AV, PC416AV, PC418AV, PC419AV, PC421AV, PC422AV, PG819EAR, PG819EA, PG819ETR, PG819ET, PG820EAR, PG820EA, PG820ETR, PG820ET, PG821EAR, PG821EA, PG827EAR, PG827EA, PG827ETR, PG827ET, PG840ESR, PG840ES, PG841ESR, PG841ES, PG843ES, PG847ESR, PG847ES, PR124UAR, PR124UA, PT600AAR, PT600AA, PT600ETR, PT600ET, PT601AAR, PT601AA, PT601ETR, PT601ET, PT602AAR, PT602AA, PT603AAR, PT603AA, PT603ETR, PT603ET, PT604AAR, PT604AA, PT604ETR, PT604ET, PU545US, PU597US, PU598US, PU599US, PV221PA, PV222PA, PV237PA, PX028LA, PY382ESR, PY382ES, PY383ES, PY384ESR, PY384ES, PY386ESR, PY386ES, PY387ESR, PY387ES, PY388ES, PY393ESR, PY393ES, PY397ESR, PY397ES, PY399ESR, PY399ES, PY401ESR, PY401ES, PY402ES, PY403ESR, PY403ES, PY406ESR, PY406ES, PY408ESR, PY408ES, PY409ESR, PY409ES, PY410ESR, PY410ES, PY412ESR, PY412ES, PY415ESR, PY415ES, PY431ES, PY432ES, PY435ESR, PY435ES, PY439ESR, PY439ES, PY441ES, PY454ESR, PY454ES, PY456ESR, PY456ES, PY458ES, PY461ESR, PY461ES, PY468ES, PY469ES, PY470ES, PY472ES, PY475ES, PY478ESR, PY478ES, PY485ESR, PY485ES, PY487ES, PY489ES, PY490ESR, PY490ES, PY493ESR, PY493ES, PY494ESR, PY494ES, PY496EAR, PY496EA, PY496ETR, PY496ET, PY497EAR, PY497EA, PY497ETR, PY497ET, PY498EAR, PY498EA, PY499EAR, PY499EA, PY499ETR, PY499ET, PY500EAR, PY500EA, PY500ETR, PY500ET, PY501EAR, PY501EA, PY501ETR, PY501ET, PY502EAR, PY502EA, PY502ETR, PY502ET, PY510EAR, PY510EA, PY511EAR, PY511EA, PY530ESR, PY530ES, PY531ESR, PY531ES, PY532ESR, PY532ES, PY535ESR, PY535ES, PY536ESR, PY536ES, PY540ES, PY545EAR, PY545EA, PY545ETR, PY545ET, PY550ESR, PY550ES, PY551ES, PY564ES, PY584PA, PY761PA, PY767PA, PY768PA, PY813PA, PZ065UAR, PZ065UA, PZ120UAR, PZ120UA, PZ364UAR, PZ364UA, PZ365UAR, PZ365UA, PZ366UA, PZ367UA, PZ368UA, PZ369UA, PZ370UA, PZ371UA, PZ372UAR, PZ372UA, PZ373UAR, PZ373UA, PZ374UAR, PZ374UA, PZ375UA, PZ376UAR, PZ376UA, PZ377UA, PZ378UAR, PZ378UA, PZ379UA, PZ380UAR, PZ380UA, PZ381UA, PZ382UA, PZ383UAR, PZ383UA, PZ384UA, PZ385UAR, PZ385UA, PZ386UA, PZ387UAR, PZ387UA, PZ415UAR, PZ415UA, PZ509UAR, PZ509UA, PZ758UA, PZ759UA, PZ760UA, PZ761UA, PZ762UAR, PZ762UA, PZ763UAR, PZ763UA, PZ764UA, PZ765UA, PZ766UA, PZ767UA, PZ768UA, PZ769UAR, PZ769UA, PZ770UAR, PZ770UA, PZ771UA, PZ772UA, PZ773UAR, PZ773UA, PZ774UA, PZ775UA, PZ776UA, PZ777UA, PZ778UA, PZ779UA, PZ780UA, PZ781UA, PZ782UA, PZ783UA, PZ784UA, PZ785UA, PZ786UA, PZ787UA, PZ788UA, PZ789UA, PZ790UA, PZ791UAR, PZ791UA, PZ792UAR, PZ792UA, PZ793UAR, PZ793UA, PZ794UA, PZ795UA, PZ796UAR, PZ796UA, PZ797UA, PZ798UA, PZ799UA, PZ800UAR, PZ800UA, PZ801UA, PZ866UAR, PZ866UA, PZ867UA, PZ887UA, PZ888UA, PZ889UAR, PZ889UA, PZ891UA, RA768PA, RB537UT, RB538UTR, RB538UT, RB539UTR, RB539UT, RB540UTR, RB540UT, RC298PA, RD072UC, RE450UP, RE758US, RE774US

HP Compaq nx6320 Laptop PC Series:
EJ362AV, EJ363AV, EJ366AV, EJ367AV, EJ370AV, EJ371AV, EW759AA, EW760AA, EW761AA, EW762AA, EX733PA, EX734PAR, EX734PA, EX737PA, EX738PA, EX739PAR, EX739PA, EX740PA, EX741PA, EX744PA, EX745PA, EX746PA, EX747PA, EX748PA, EX749PA, EX769PA, EX770PA, EX771PA, EX772PA, EX773PA, EX774PA, EX775PA, EX776PA, EX784PA, EX785PA, EX786PA, EX787PA, EX788PA, EX789PA, EX790PA, EX791PAR, EX791PA, EX792PAR, EX792PA, EX793PA, EX797PA, EX800PAR, EX800PA, EX813PA, EX814PA, EX815PA, EX816PA, EX817PA, EZ314LA, RA708PA, RA709PA, RA762PAR, RA762PA, RA763PAR, RA763PA, RB229AV, RB230AV, RB231AV, RB232AV, RB859LA, RC286PA, RC287PA, RC288PA, RC289PA, RC290PA, RC291PA, RC293PA, RC319PAR, RC319PA, RC320PA, RC355PAR, RC355PA, RC356PA, RC357PA, RC358PA, RC360PA, RC380PA, RC381PA, RC382PA, RC728LA, RD054LA, RD102LA, RD103LA, RD701PA, RD702PA, RD703PA, RD762PA, RD763PA, RD764PA, RD811LA, RE962PA, RE963PA, RE964PA, RE967PA, RE968PA, RE985PA, RE986PA, RE987PA, RE988PA, RE989PA, RE990PA, RE993PA, RE999PA, RF001PA, RF003PA, RF004PA, RF005PA, RF006PA, RF007PA, RF008PA, RF023PA, RF024PA, RF625PAR, RF625PA, RF629PA, RF630PA, RF631PA, RF632PA, RF633PA, RF634PA, RF635PA, RF636PA, RF637PA, RF638PA, RF657PA, RF658PA, RF668PAR, RF668PA, RH101PA, RH102PA, RH103PA, RH148PA, RH162PA, RH791UCR, RH791UC, RH820LA, RJ299PC, RJ968PA, RJ969PA, RJ970PA, RJ980PA, RJ985PAR, RJ985PA, RJ998PA, RK007PA, RK008PA, RK009PA, RK010PA, RK014PA, RK047PA, RK048PA, RK049PA, RK050PA, RK051PA, RK052PA, RK053PA, RK054PA, RK055PA, RK063PA, RK064PA, RK065PA, RK066PA, RL948PA, RL949PA, RL950PA, RL951PA, RL952PA, RL953PA, RL954PA, RL992PA, RL993PA, RL994PA, RL995PA, RL996PA, RM506LC, RM709PA, RM710PA, RM711PA, RM712PA, RM713PA, RM714PA, RM725PA, RM727PA, RM754PA, RM755PA, RM756PA, RM771PA, RM784PA, RM793PA, RM795PA, RM797PA, RN825LA, RN826LA, RN827LA, RN828LA, RP590PC, RP595LA, RP596LA, RP711PC, RP712PC, RP713PC

HP Compaq nx9420 Laptop PC Series:
EG865AV, EG866AV, ES439EAR, ES439EA, ES440EAR, ES440EA, ES440ET, ES441EAR, ES441EA, ES441ETR, ES441ET, ES442ETR, ES442ET, ES443EAR, ES443EA, ES443ETR, ES443ET, ES444EAR, ES444EA, ES444ETR, ES444ET, ES445EAR, ES445EA, ES445ETR, ES445ET, ES446EAR, ES446EA, ES446ETR, ES446ET, ES457EAR, ES457EA, ES458EA, ES459EA, ES460EAR, ES460EA, ES461EA, ES462EA, ES551EA, ES552EA, ES553EA, ES554EA, ES555EA, ES556EA, ES557EA, ES558EA, ES559EA, ES560EA, ES561EA, ES562EA, ES563EA, EV266AAR, EV266AA, EV267AAR, EV267AA, EV268AAR, EV268AA, EV269AAR, EV269AA, EV270AA, EV271AAR, EV271AA, EV271ETR, EV271ET, EV272AAR, EV272AA, EV272EA, EV272ETR, EV272ET, EV273AA, EX754PA, EX755PA, EX756PA, EX757PA, EX763PA, EX767PA, EX779PA, EX780PA, EX781PA, EX801PA, EX802PA, EY453ET, EY560ES, EZ255LA, RA047US, A05 US, RA051US, RA068US, RA079US, RA081US, RA110US, RA124US, RA185US, RC294PA, RC333PA, RD717PA, RE632US, RE640US, RE730US, RE772US, RE867US, RE879US, RE891US, RE898US, RE914US, RE975PA, RE976PA, RF297UP, RF689PA, RF751UC, RF914UC, RG171UP, RG195LA, RH151PA, RK694US, RK702US, RK710US