Manuale d’uso / di manutenzione del prodotto DX2718 MT del fabbricante HP (Hewlett-Packard)
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s e r vi c e ref e re n c e g u i d e HP C om paq dx2 710 MT/d x2 718 MT/ dx2 710 SFF Busi ness P Cs 1st E dition T his docu ment p ro v ide s inf or mati on on the r emo v al and r e placement of all.
Service R ef erenc e Guid e HP C ompaq dx2 710 MT/dx2 718 MT/dx2 710 SFF Bu sines s P Cs 1st E dition Doc um e nt P art Number: 4 8 3 9 4 1-001 Fe br ua r y 20 08.
© Copy right 2008 Hewlett-P ackard De velopm ent Compan y , L.P . The in formation contai ned here in is subje ct to ch ange wit hout notice . Microsoft, MS-DOS, W ind o ws, and W indows NT are trade m arks of Micros oft Corporat ion in the U.S. and ot her countrie s.
Servi ce Ref erence Guide 48 3 9 41-001 iii Conte nts 1 Installing the Op erating System 1.1 Micros oft Windows XP/Windo ws Vista/Redflag Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 –1 1.1. 1 Insta lling or Upgra ding Dev ice Driv ers (Onl y applic able fo r Window s OS) .
i v 4 83 9 41-001 Servi ce Ref ere nce Guide Con t en t s 5 Identifying the Chassis , Routine Care, and Disassembly Preparation 5.1 Chassis Desi gnations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ser vice R eference Gu ide 48 3 9 4 1-0 01 v Con tents 6.9 Front I/O Pan el Housing Assembly - MT cha ssis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–28 6.10 System Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servi ce Ref erence Guide 48 3 9 41-001 1–1 1 Insta llin g t he O pera tin g S y stem Depending on the model, Microsoft W i ndo ws XP Home, W i ndo ws XP Profes sional (V ista Do wngrade), W indows .
1–2 48 39 41-001 Servi ce Ref erence Guide Installin g the Operating S ystem 1 .2 C on v er ting to NTFS (A ssoc ia ted wit h Windo w s OS) 1 .2. 1 Window s XP Home/XP Professional( Vista dow ngra d.
Servi ce Ref erence Guide 48 3 9 41-001 2–1 2 Setup U tilitie s and Dia gnostic s F ea ture s Setup Uti lities (F1 0) and diag nostic feat ures pro vide info rmation ne eded about t he computer system when contacting Cu stomer Support .
2–2 48 39 41-001 Servi ce Ref erence Guide Setup Utilities and Diagnostic s Featur es 2.2 Comp uter Setup U tilities Use Computer Setup Utilit ies (F10) t o: ■ Modify or r estore f actory def ault sett ings.
Servi ce Ref erence Guide 48 39 41-001 2–3 Setup Uti lit ies an d D iagn ostics Feat ures 3. A choice o f headings app ears in the Co mputer Setup Uti lities menu: Sys tem Informati on, Standard CMO.
2–4 48 39 41-001 Servi ce Ref erence Guide Setup Utilities and Diagnostic s Featur es 2.2.2 Comp uter Setu p Menu Computer Set up Headin g O ption Desc ription Sys t e m In fo rm a t io n Sys te m S / N (vi ew o n ly ) Product N am e (vie w only) Ow nerShip T AG [Pr es s En ter] Enter o wne rship tag assigned b y the o wne r .
Servi ce Ref erence Guide 48 39 41-001 2–5 Setup Uti lit ies an d D iagn ostics Feat ures Standar d CMO S Fe a t u r e s (contin ued) SA T A P o r t 0 SA T A P o r t 1 SA T A P o r t 2 SA T A P o r .
2–6 48 39 41-001 Servi ce Ref erence Guide Setup Utilities and Diagnostic s Featur es Advanc e d BIOS F eatur es (contin ued) Re mo vea ble De v ice Pri or ity Al lo w y ou t o sel ect F DD or U SB-FDD as the fir st rem ove ab l e d evic e.
Servi ce Ref erence Guide 48 39 41-001 2–7 Setup Uti lit ies an d D iagn ostics Feat ures Advanc e d Chipset Fe a t u r e s PEG/ O nch i p VGA Con tro l (V G A Se ttin g) Allo ws y ou to set s y ste.
2–8 48 39 41-001 Servi ce Ref erence Guide Setup Utilities and Diagnostic s Featur es Integr ated P eriphe rals USB Contr oller Disables/enable s USB contr oller . USB L egacy Support Disables/enable s USB legacy suppo r t. HD Audio Allo ws y ou to auto-detect or disable o nboar d aud io.
Servi ce Ref erence Guide 48 39 41-001 2–9 Setup Uti lit ies an d D iagn ostics Feat ures Po w e r Management Setup HPET Sup por t Dis able / e nab le H PET featu re , on ly ca n be v isible for V ista OS . HPE T Mode 3 2 b it mode/64 b it mode. V ie w onl y , and only c an be visible f or V ista OS .
2–10 48 39 41-001 Servi ce Ref erence Guide Setup Utilities and Diagnostic s Featur es PnP/P CI Con fig ura t io ns (contin ued) Re sour ces Contr olled B y Allo ws y ou to select w hether r esour c.
Servi ce Ref erence Guide 4 83 9 41-001 2–11 Setup Uti lit ies an d D iagn ostics Feat ures 2.3 Reco v ering t h e C onfi gura tion Set ting s Recov erin g the conf iguratio n setting s establis hed in the Comp uter Setup (F 10) Utility requires that y ou first bac k up the se ttin gs befor e a re covery i s ne ede d.
Servi ce Ref erence Guide 48 3 9 41-001 3–1 3 De skt op Manage ment ✎ Support f or specif ic feat ures desc ribed in thi s guide may v ary b y model or so ftware v ersion . 3. 1 Initia l Confi gura tion an d De pl o yment HP comput ers come with a preinsta lled system s oftwar e image.
3–2 48 39 41-001 Servi ce Ref erence Guide Desktop Ma nagem ent 1. Remov e all r emov able media an d turn of f the power . 2. Insert a disk ette, CD, or USB flash de vice c ontaining t he desired BIOS image f ile in the root direct ory . The media must be formatted using the F A T12, F A T16, or F A T32 f ile system.
Servi ce Ref erence Guide 48 39 41-001 3–3 Deskto p Man agement 3.2.4 W orl d W id e W eb S it e When making the tr ansition t o new or re vised o perating sy stems, it i s important to impl ement the support software d esigned for t hat operati ng system.
3–4 48 39 41-001 Servi ce Ref erence Guide Desktop Ma nagem ent 1. T urn o n or restar t the computer . If you are in W indo ws, click St a r t > Shut Down > Rest art. 2. As soon as the compute r is turned on, pr ess and hold t he F1 0 ke y unti l you enter Co mputer Setup.
Servi ce Ref erence Guide 48 39 41-001 3–5 Deskto p Man agement T o change the s upervisor pa ssword, a s soon as the computer is tur ned on, press a nd hold th e F1 0 ke y until you en ter Computer Setup. Pre ss Enter to b ypass the title s creen, if ne cessary .
3–6 48 39 41-001 Servi ce Ref erence Guide Desktop Ma nagem ent Nationa l K e yb oar d Deli mit er Char acter s Each ke yboar d is designed to meet countr y-specif ic re quirements. The syntax and k eys t hat you use for changing or de leting your p assword depend on the k eybo ard that came wi th your computer .
Servi ce Ref erence Guide 48 3 9 41-001 4–1 4 Seri a l A T A Dr iv e G uid el ines an d Feat ures ✎ Serial A T A = SA T A HP does not support th e use of a P A T A (IDE) har d driv e / op tical dri ve on th ese model s of computer . 4. 1 S A T A 3.
4–2 48 39 41-001 Servi ce Ref erence Guide Ser ial A T A Dri ve Guidelines and F eatures 4.2 S A T A H ard Driv e C a b les 4.2. 1 SA T A Da ta Ca ble Alwa ys use an HP appr ov ed SA T A 3.0 Gb/ s cable as it i s fully backw ards compati ble with the SA T A 1.
Servi ce Ref erence Guide 48 39 41-001 4–3 Serial A T A Drive Guid eli nes a nd Featu res 4.3 S A T A SMART Driv es The S elf Moni tor ing A naly sis and R eco rdin g T echnol ogy (SMAR T) A T A dri.
Servi ce Ref erence Guide 48 3 9 41-001 5–1 5 I d enti fyin g t h e C h a ss is , Rout in e C are, a nd Di sasse mbl y P re pa rat io n This ch apt er pr ovide s g enera l s erv ice in form atio n f or the c om pute r . Ad her ence to the pr oce dur es and p recau tio ns des crib ed in this cha pter i s ess entia l fo r pro per s ervi ce.
5–2 48 39 41-001 Servi ce Ref erence Guide Identify ing the Chas sis, R outine Car e , and Disassem bly Pr eparation Note: dx2 718 MT is only for Chi na Market.
Servi ce Ref erence Guide 48 39 41-001 5–3 Identifying the Chassis, R outine Car e, and Disass embly Pre paration 5 .2 Elec trosta tic Disc h arge Infor ma tion A sudden di scharge of static electrici ty from your f inger or other conduc tor can de stroy sta tic- sensit iv e de vices or mi crocircuit ry .
5–4 48 39 41-001 Servi ce Ref erence Guide Identify ing the Chas sis, R outine Car e , and Disassem bly Pr eparation 5 .2.3 P ersonal Grounding M et hods an d Equip men t Use the f ollo wing equipme.
Servi ce Ref erence Guide 48 39 41-001 5–5 Identifying the Chassis, R outine Car e, and Disass embly Pre paration ■ Static awa reness label s ■ Wrist st raps and foot wear straps providin g one-.
5–6 48 39 41-001 Servi ce Ref erence Guide Identify ing the Chas sis, R outine Car e , and Disassem bly Pr eparation 5 .3. 3 C leanin g t h e K e yboard F ollo w all safety precau tions in Sectio n 5.3.1, “General Cleaning Safet y Precautio ns, ” before cleani ng the ke yboard.
Servi ce Ref erence Guide 48 39 41-001 5–7 Identifying the Chassis, R outine Car e, and Disass embly Pre paration 5 .4 Servic e Cons iderat ions Listed b elo w are some of th e considerat ions that you should k eep in mind d uring the disassembly and asse mbly of the computer .
5–8 48 39 41-001 Servi ce Ref erence Guide Identify ing the Chas sis, R outine Car e , and Disassem bly Pr eparation 5 .4.3 C ab les and Conn ec tors Most cabl es used thro ughout the unit are f lat, fle xible cabl es. These cables must b e handled wit h care to av oid damage.
Servi ce Ref erence Guide 48 3 9 41-001 6–1 6 Rem o v al an d Rep l a cem e n t Pro ced ures— Micro to w er (M T)/S mal l F or m F acto r ( SF F ) Ch a ss i s Adherence to the pr ocedures and pr ecautions d escribed in this chapt er is essen tial for pr oper servic e.
6–2 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.2 Remo ve t he c omp uter a cces s pan el an d front be zel ( MT ch a ssi s and SFF c h a ssis ) 6.2. 1 A cc ess P an el (M T C h a s sis) 1.
Servi ce Ref erence Guide 48 39 41-001 6–3 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.2.2 Fron t B e zel ( MT C ha s s is) 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1 , “Prepa ration for Disassembly” ).
6–4 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.2. 3 Removing t he C omp u ter Access P an el and Front B ezel (SFF c has sis) T o remov e the computer access panel : 1.
Servi ce Ref erence Guide 48 39 41-001 6–5 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 4. T o remov e the fr ont bezel, gently pull up a ll three ta bs 1 on the top of the bezel, then pull the bezel 2 away fr om the ch ass is.
6–6 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.3 Usin g t he Sm all F orm Fac to r Com p u ter in a M inito w er Co nfigura tion The Small Form F actor compu ter can be used in ei ther a mini to wer or deskto p confi guration.
Servi ce Ref erence Guide 48 39 41-001 6–7 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.4 Fro n t D rive B e z el s 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1, “ Preparati on for Disa ssembly” ).
6–8 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.5 M e m o r y F or more information on the memo ry in this series of co mputers, refer to Appendix E, “Memory .
Servi ce Ref erence Guide 48 39 41-001 6–9 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s ✎ A memory module can be installed in only one wa y . M atch the notch on the module wi th the tab on the memor y socket.
6–10 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 5. Locate t he memory module soc kets. Å W ARNIN G: T o reduce risk of pers onal in jury from hot su rface s, allo w the internal s ys tem compon ents to cool b efor e t ouching.
Servi ce Ref erence Guide 4 83 9 41-001 6–11 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.6 Expansion C ards 6.6. 1 Ex pan sion Sl ot Cov er L oc k 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.
6–12 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis T o install a n expan sion card in an empty slot c ontinue with s tep 9.
Servi ce Ref erence Guide 4 83 9 41-001 6–13 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.6.3 Installi ng an Expansion C ard The compute r has four PCI e xpansion s lots. Each slo t can accommodate a half-heigh t PCI or PCI Express e xpansion card up to 6.
6–14 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 7. H old th e ca rd ju st a bove the exp ansio n sl ot .
Servi ce Ref erence Guide 4 83 9 41-001 6–15 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.6.4 Re m o vin g a n E xpa nsio n C ar d T o remov e an e xpansion card : 1. T urn o ff t he computer pro perly thr ough the opera ting system, t hen turn o ff an y e xternal de vices.
6–16 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6 .7 Cable Manage ment Alwa ys follo w good cab le management pr actices when w orking ins ide the comp uter .
Servi ce Ref erence Guide 4 83 9 41-001 6–17 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6.8 Dr ives The comp uter support s up to four dr iv es that may be instal led in v arious configu rations.
6–18 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.8.2 Remo ving a Dri v e 1. T urn o ff the computer properly thr ough the ope rating syst em and turn of f any ex ternal de vices.
Servi ce Ref erence Guide 4 83 9 41-001 6–19 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 5. Remo ving the Hard Di sk: remov e the tw o scre ws that s ecure the ha rd disk dri ve c age to th e chass is.
6–20 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 7. Lift t he hard disk dr i ve cage ou t of the chas sis. Rem ovi n g t h e Ha rd D rive Ca g e 8. Disconnec t the po wer cable 1 and data cable 2 from t he back of the hard dri ve.
Servi ce Ref erence Guide 4 83 9 41-001 6–21 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 9. Remov e the f our scre ws that sec ure the hard disk dri ve to the hard d isk dri ve cage 1 , th en slide t he hard disk d riv e out of the hard dis k dri ve ca ge 2 .
6–2 2 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis T o verify the type, size, and capa city of the s torage de vices i nstalled in the compute r , run Computer Se tup.
Servi ce Ref erence Guide 48 39 41-001 6 –2 3 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s Re mov ing the Optical Dri ve or Disk ette Dri v e T o replace the dri ve, rev erse the r emov al proce dures.
6–2 4 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis Installi ng Guide Sc re ws in the Optical Dr i ve 3. Positi on the gui de scre ws on th e dri ve into the J-s lots in th e dri ve ba y 1 .
Servi ce Ref erence Guide 48 39 41-001 6–2 5 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 4. Raise the Easy Access dri ve bay to the upright position and connect t he flat ribbon ca ble and audio ca ble to the system board.
6–2 6 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6.8.6 Upgrading t he Hard Driv e - SFF ch assis Re mo ving and R eplacing the Hard Dri v e ✎ Only a ser ial adv anced tech nology atta chment (SA T A) hard dri v e can be insta lled on this computer .
Servi ce Ref erence Guide 48 39 41-001 6 –2 7 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6. P ress th e la tch 1 . 7. Slide t he dri ve to the righ t of the bay 2 . Rem ovi n g t h e Ha rd D rive 8.
6–2 8 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6. 9 Fr ont I/O P ane l Housi ng Assembly - MT ch assis 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.
Servi ce Ref erence Guide 48 39 41-001 6–2 9 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6. 1 0 S yst em Fan 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1, “ Preparati on for Disa ssembly” ).
6–30 4 83 9 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6. 1 1 Hea tsink - MT c ha ssi s 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1, “ Preparati on for Disa ssembly” ).
Servi ce Ref erence Guide 4 83 9 41-001 6–31 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6. 1 2 Pr oce ssor 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1, “ Preparati on for Disa ssembly” ).
6–3 2 48 39 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 5. G o to st ep 7 . 6. If usin g a new h eatsink, remo ve the protect iv e cov ering from t he bottom of th e heatsink an d place i t in positi on atop the pr ocessor .
Servi ce Ref erence Guide 48 39 41-001 6–3 3 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6. 1 3 S yst em B oa rd 1. P rep are t he c omp uter for disa sse mbl y ( Section 6.1, “ Preparati on for Disa ssembly” ).
6–34 4 83 9 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6. 1 4 B a t te r y The batt ery that comes with your c omputer pro vides po wer to the real- time clock an d has a lifet ime of about thre e years.
Servi ce Ref erence Gui de 48 3 9 41-001 6–35 Removal and Repl ac ement Proced ures— Microto wer ( MT) /Sm al l Form F a ctor (SF F) Chas si s 6. 1 4. 1 Ba t ter y H old er 1. T o release th e batter y from its holder , squeez e the metal cl amp that e xtends abo ve one edge of the ba ttery .
6–36 4 83 9 41-001 Servi ce Ref erence Guide Re mov al and Replacemen t Pr o cedur es— Mic ro tow er (MT)/Small F or m Fa ctor (SFF ) Chassis 6 . 1 5 P o w er Supply Å W ARNIN G: V oltage is alw ay s prese nt on the s yst em board w hen the comput er is plugged into an acti ve A C outlet .
Servi ce Ref erence Gui de 4 83 9 41-001 A–1 A Conn ec tor P in As si gnm ents This appe ndix contains the pin a ssignments fo r many comput er and wor kstation co nnectors. Some of these connect ors may not be u sed on the p roduct being s erviced.
A–2 48 3 9 41-001 S er vi ce Ref erence Guid e Co nnect or P in Assi gnmen ts P ara ll el In ter fa ce Connec tor and Ic on Pin Si gn al Pi n Sign al Pi n Sign al 1 2 3 Strob e Data Bit 0 Data Bit 1.
Servi ce Ref erence Gui de 48 3 9 41- 001 A–3 Connector Pin Assignme nts Headphone Connec tor and Ico n ( 1/8" miniphon e) Pin Si gn al 1 (T ip) Audio _Lef t 2 (R ing) Aud io _Right 3 (Shield) .
A–4 48 3 9 41-001 S er vi ce Ref erence Guid e Co nnect or P in Assi gnmen ts 24 - Pi n Powe r Connec tor Pin Si gn al Pi n Sig nal Pi n Signal Pin Sign al 1 2 3 4 5 6 7 +3 .3 V +3 .3 V GND +5 V GND +5 V GND 8 9 10 11 12 13 13-1 P. G +5 VSB +12 V +12 V +3.
Servi ce Ref erence Guide 48 3 9 41-001 B–1 B Pow e r C o r d S e t R e q u i r e m e n t s The volt age sele ct s witch fea ture on the c omp ute r per mi ts it t o ope rate from any l ine voltage between 10 0-127 or 220-24 0 vol ts A C.
Servi ce Ref erence Guide 48 3 9 41-001 C–1 C POST E rro r M e s s a g es An error mess age results i f the Powe r-On Self-T est (POST) enc ounters a probl em. This test runs when the syst em is turned on, checking assemblies with in the computer and reporting an y errors found.
C–2 4 8 3 9 41- 001 Servi ce Ref ere nce Guide POS T Error M essag es K e yb oard er ror or no key b o a r d p r es e n t Cannot initi ali z e the key b o a r d. Mak e sure the ke y board is attached corr ectl y and no k ey s ar e pre ssed dur ing PO S T .
Servi ce Ref erence Guide 48 3 9 41-001 C–3 PO ST Error Me ssag es E r ro r: N o n - Sys t e m d i s k or di sk error Re place and pres s any key wh e n re a d y Th e B I OS w as u n a b l e t o find a suitable boot de vi ce . F or Ar gali, thi s ma y mean an uninitiali z ed or corrupt ATA f l a s h .
Servi ce Ref erence Guide 48 3 9 41-001 D–1 D T ro ubles hooti ng W ithout Diagnost ics Preliminar y C hec klis t This sec tion descri bes some simpl e, prelimina ry tests and guidelines f or troubles hooting the computer wit hout using the diagnosti cs.
D–2 48 3 9 41-001 Ser vi ce Ref ere nce Guide T r oublesh ooting Witho ut Diagnos tics Solving G ene ral Problems Y ou may be able t o easily re solve the minor prob lems descr ibed in this section.
Servi ce Ref erence Guide 48 3 9 41-001 D–3 T r oubleshooting W ithout Diagno stics Com puter date and time displa y is inco rr ect . R T C (r eal-time cloc k) battery may need to be r eplaced. ✎ MConnecting the computer to a live AC outlet prolongs the life of the RTC batter y.
D–4 48 3 9 41-001 Ser vi ce Ref ere nce Guide T r oublesh ooting Witho ut Diagnos tics Some softwar e applic ations , espec iall y games , are s tressf ul on the graphics subsystem.
Servi ce Ref erence Guide 48 3 9 41-001 D–5 T r oubleshooting W ithout Diagno stics Solving Hardw are Install a tion Probl ems Y ou may need to r econfi gure the computer when you add o r remov e hardware , such as an additi onal dri ve or expans ion card.
D–6 48 3 9 41-001 Ser vi ce Ref ere nce Guide T r oublesh ooting Witho ut Diagnos tics Interpreting Dia gn ostic Lights and Audib le C odes This sec tion cov ers t he front pan el LED codes as we ll as the a udible cod es that may occ ur before or duri ng POST that do not necessaril y hav e an error c ode or te xt message associated wi th them.
Servi ce Ref erence Guide 48 3 9 41-001 D–7 T r oubleshooting W ithout Diagno stics Solving Dis pl ay Problems Solv ing Displ ay P roblems Problem Caus e So lution Blank sc reen ( no vi deo) . The ca ble connecti ons are not correct . Check the c able connections fr om the monitor to the comput er and to the electr ical outle t.
D–8 48 3 9 41-001 Ser vi ce Ref ere nce Guide T r oublesh ooting Witho ut Diagnos tics P ow er LED flashes Red si x times , once ev ery second, fo llo wed by a two seco nd pause , and the computer beeps si x times. Pr e -video gr aphic s error . F or s yste ms with a graphi cs card: 1.
Servi ce Ref erence Guide 48 3 9 41-001 D–9 T r oubleshooting W ithout Diagno stics Hi gh pitched no ise coming fr om inside a flat panel monitor . Bri ghtness and/or contr ast settings ar e too high . L ow er br ightness and/or contr ast set t in gs.
D–10 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Sol ving Audio Pr oblems Solvin g Au di o Probl ems Problem Caus e So lution Sou n d do e s no t c om e out of t he spe a k er or headphones . So ftwar e volume con trol is t urn ed down.
Servi ce Ref er ence Guide 48 3 9 41- 001 D–11 T r oubleshooting W ithout Diagno stics Nois e or no sou nd comes out of th e s pea kers or headphones .
D–12 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Solving Prin ter Problems Solv ing Printer Problems Problem Caus e So lution Pri nter w ill not print . Print er is not tur ned on and online . T urn the prin ter on and mak e sur e it is online .
Servi ce Ref er ence Guide 48 3 9 41- 001 D–13 T r oubleshooting W ithout Diagno stics Solv ing K e yboard and Mouse Problems Solvin g Ke yboard Prob le ms Problem Caus e So lution K ey boar d c omm ands and ty pi ng ar e n ot r ecog ni z ed by the computer .
D–14 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Sol ving Netw or k Pr oblems These gui delines do not discuss the process o f debugg ing the netw ork cabli ng. Solving Netw ork Problems Problem Caus e So lution Wa ke - o n - L A N f e a t u r e i s not func tioning .
Servi ce Ref er ence Guide 48 3 9 41- 001 D–15 T r oubleshooting W ithout Diagno stics Diagnos tics pass es, but the computer does not communi cate with the netw ork. (co ntinued) The netw ork contr oller is no t conf igur ed for this comput er . Select the Netw ork icon in t he Con trol P ane l and co nfigur e the networ k contr oller .
D–16 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Sol ving Memo r y Proble ms Ä CAUTION : F or tho se sy stems that suppor t ECC memor y , HP does not suppor t mixing EC C a nd no n -ECC memor y . Ot her wise, the system will no t bo ot t he o perati ng sy stem.
Servi ce Ref er ence Guide 48 3 9 41- 001 D–17 T r oubleshooting W ithout Diagno stics Solving P rocessor Probl ems . Solv ing Proce ssor Pr oblems Problem Caus e So lution P oor perfor mance is exp e ri e n ce d. Pr ocesso r is hot . 1. Make sur e the air flo w to the comp uter is not bloc k ed.
D–18 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Solv ing CD -ROM and D VD Problems Solving CD-ROM an d DVD Probl ems Problem Caus e So lution S y stem w ill not bo ot fr om CD-R OM or D VD dr i ve . Th e C D - RO M o r DV D boot is no t enabled thr ough the Com puter Setu p utility .
Servi ce Ref er ence Guide 48 3 9 41- 001 D–19 T r oubleshooting W ithout Diagno stics So lvin g Drive K e y P rob l em s Solving I nternet Access Probl ems R ecor ding audio CDs is difficult or im possi bl e. W rong or po or qu ali t y media type .
D–20 48 3 9 41-001 Servi ce Refer ence Guide T r oublesh ooting Witho ut Diagnos tics Unab le to con nect to th e Inte rnet . (continued ) Cable/DSL se r vi ce is not a vailable o r has been inter rupted due to bad weather . T ry con nect ing to t he In ternet at a later time or cont act your IS P .
Servi ce Ref er ence Guide 48 3 9 41- 001 D–21 T r oubleshooting W ithout Diagno stics Inte rnet tak es too lo ng to do wnload W eb sites. Modem is no t set up pr operl y . V erify that the cor rec t modem speed and COM port are selec ted. F or Windo ws XP 1.
D–2 2 4 83 9 41-001 Servi ce Ref erence Guide T r oublesh ooting Witho ut Diagnos tics Diagnost ic Fr ont P anel LE Ds and Audi ble Code s Diagnostic F ront P anel L EDs and Aud ible Codes Activity Beeps Po ssible Cause Recom men ded Ac tion Green P ow er LED On .
Servi ce Ref erence Guide 4 83 9 41-001 D–2 3 T r oubleshooting W ithout Diagno stics Red Po we r L E D flashes 8 times, one eve r y s e c o n d, fo llo wed by a 2 sec on d pau se. A lso 8 simultaneous beeps w ill be heard . 8 Inv alid R OM based on bad che ck s u m.
D–2 4 4 83 9 41-001 Servi ce Ref erence Guide T r oublesh ooting Witho ut Diagnos tics Sys t e m d o e s n o t po wer on and LEDs ar e not flashing . None Syst e m u n a b l e t o pow er o n. Pr ess and hold the pow er button for less than 4 seconds.
Serv ice Ref er ence Guide 48 3 9 41- 001 D–2 5 T r oubleshooting W ithout Diagno stics Res to ri n g t h e So f t wa re The W indo ws operating syst em and softw are can be restored to the original state tha t they wer e when you pur chased the co mputer b y using th e Restor e Plus! CD.
D–2 6 4 83 9 41-001 Servi ce Ref erence Guide T r oublesh ooting Witho ut Diagnos tics Cont acting Cu stome r Supp ort F or help and se rvice, con tact an auth orized resel ler or deal er . T o locate a reseller or dealer near you, visi t www .hp .com .
Servi ce Ref er ence Guide 4 83 9 41-001 E–1 E Me mory Computers e quipped with I ntel-based processors c ome with double da ta rate synchronous dynamic r andom access me mory (DDR2) dual i nline memory modul es (DIMMs). The memory so ckets o n the system boa rd can be popul ated with up t o four indust ry-stan dard DIMMs.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il HP (Hewlett-Packard) DX2718 MT è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del HP (Hewlett-Packard) DX2718 MT - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) DX2718 MT imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) DX2718 MT ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) DX2718 MT, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del HP (Hewlett-Packard) DX2718 MT.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) DX2718 MT. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) DX2718 MT insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
