Manuale d’uso / di manutenzione del prodotto DX2000 del fabbricante HP (Hewlett-Packard)
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ser v ice r efer ence guide HP C ompaq Bu siness De sktop dx2000 u T Se r ie s P er sonal Co mputers 2st E ditio n Th is document pr ov ides inf or mation on the r emov al and replacement of all part .
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Ser vice R efer ence G uide HP Co mpaq Busine ss Deskt op dx2000 u T Ser ies P er sona l Computers 2nd E dition Doc ument P art Number: 3 5 9 7 8 2 -00 2 May 2004.
© Copyright 2004 He wlett-Packard De velopment Company , L.P . The information contained herein is subject to change without notice. Microsoft, MS-DOS, W indows, and W indows NT are trademar ks of Microsoft Corporation in the U.S. and other countries.
Ser ci ce Ref erence Gui de. dx2000 u T 3 5 9 7 8 2 -00 2 iii Cont ents 1 Installing the Operating System 1.1 Microsoft Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 1.
iv 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Cont en ts 5 Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1 Chassis Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servi ce Ref erence Guide , dx2000 u T 35 9 7 8 2 -00 2 v Cont ent s A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics EM e m o r y .
v i 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Cont en ts.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 1–1 1 Installin g t he O pera ting S y stem Depending on the model, Micro soft W indows XP Home or W indo ws XP Professional is preinstalled on the computer an d will be conf igured automatically the f irst time the computer is turned on.
1–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Inst all ing th e Op erati ng System 1 .2 Conv er ting to NTFS 1 .2. 1 Windo ws XP Home and XP Professional The W indows XP Home and XP Profession al op erating systems handle only NTFS-formatted driv es.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 2–1 2 Setu p Utiliti es and Di agn ost ic s Features Setup Utilities (F10) and diagnostic features pr o vide information needed about the computer system when contacting Cust omer Support.
2–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Setu p Utilities and Di agnos tics F eatur es 2.2 C om pu ter Setu p Utiliti es Use Computer Setup Utilities (F10) to: ■ Modify or restore f actory default settings. ■ Set the system date and time.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 2–3 Setup Utilities and Diagnostics F eatures 5. Use the arro w (left and right) keys to select the appropriate heading. Use the arro w (up and do wn) ke ys to select the option you wan t, then press Enter .
2–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Setu p Utilities and Di agnos tics F eatur es 2.2.2 C ompu ter Setu p Menu . Heading Option Description Sys t e m Info rmatio n None L is.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 2–5 Setup Utilities and Diagnostics F eatures ✎ Support for Computer Setup option s may vary dependi ng on your sp ecific hardware configuration. Advan c ed CMOS Setup (Continued) Inter nal Graphic Mode Select Selects the si z e of memory for internal gr aphics adapter .
2–6 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Setu p Utilities and Di agnos tics F eatur es P eripher al Setup (Continued) USB 1. 1 Dev ice Legac y Support Sets the U SB 1.1 D ev ice L egacy Support under DOS mode . • Disable: U SB 1.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 2–7 Setup Utilities and Diagnostics F eatures H a rdw a re Monitor (Continued) Sys t e m Te m p e r a t u re Detects c urrent s ys tem temperatur e . CPU F AN Speed Detects CPU f an speed. Chassis F AN Spee d Detects cur rent chas sis fan speed.
2–8 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Setu p Utilities and Di agnos tics F eatur es 2.3 Protec tin g t he Sof t ware T o protect software from loss or damage, you should keep a backup co py of all system software, applications, and related files stored on the hard dri ve.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 3–1 3 Desk top Manag ement HP Intelligent Manageability provides standards- based sol utions for ma naging and controlling desktops, workstation s, and notebook PCs in a netw orked en vironment.
3–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Desktop Management 3.2. 1 FailSafe B oot Bloc k ROM The FailSafe Boot Block R OM allows for system recovery in the unlikely ev ent of a R OM flash failure, for e xample, if a power f ailure were to occur during a R OM upgrade.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 3–3 Desk top Man agemen t 3.2.3 P ow er M an a g em en t Po wer Management is a feature that sav es energy b y shutting do wn certain components of the computer when they are not in use, sa ving en ergy without having to shut down the computer .
3–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Desktop Management 3.3 S ec u ri t y 3.3. 1 Pas sw o rd S ec u rit y The po wer-on pa ssword pre vents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 3–5 Desk top Man agemen t Entering a P ow er- On Passw ord T o enter a po wer- on password, complete the follo wing steps: 1. T urn on or restart the computer . If you are in W indo ws, click Start > Shut Down > Restart.
3–6 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Desktop Management 3. When the k ey icon appears, type your cu rrent password, a slash (/) or alternate delimiter character , your ne w p.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 3–7 Desk top Man agemen t National Ke yboard Delimiter Charac ters Each ke yboard is designed to meet country-spec ific requirements. The syntax and k eys that you use for changing or deleting yo ur password depend on the k eyboard that came wi th your computer .
3–8 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Desktop Management.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 4–1 4 Ultra A T A Driv e Gui delines and Fe a tures 4. 1 U ltra A T A Jum pers Ultra A T A drives are conf igured by means of jump er settings.
4–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Ultr a A T A Dri ve Gu idelines and F eatur es Single-Dr iv e Cable T w o-Dri v e Cable On a two-dri ve cable, the Driv e/Device 0 connec.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 4–3 Ultra A T A Dri ve Guidelines and F eature s 4.3. 1 De vice Cl as ses In order to determine the best dri ve attach sequ ence, A T A/A T API driv es are segregated into four dif ferent classes based upon the bandwidth demands th ey place on an A T A contro ller .
4–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Ultr a A T A Dri ve Gu idelines and F eatur es The attach s equence rule may al so be stated in table format : The rules allo w for: ■ K eeping the hard dri ve on a separate contro ller channel maximizes dri v e performance until a fourth de vice is added.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 4–5 Ultra A T A Dri ve Guidelines and F eature s Ex amp le 1 : Three De vice Inst allation S amp le A system has three de vices: Ultra A T A-100 hard dri ve, CD-R OM driv e, and a D VD driv e.
4–6 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Ultr a A T A Dri ve Gu idelines and F eatur es *If there are three or more de vices, two or more of which are hard dri ves, two hard dri ves sho uld be attached to the primary cont roller first before follo wing the General Attach Sequence Rule.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 4–7 Ultra A T A Dri ve Guidelines and F eature s 4.5 Driv e Ca pac ities The combination of the f ile syst em and the operating sy stem used in the computer determines the maximum usable size of a dri ve partition.
4–8 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Ultr a A T A Dri ve Gu idelines and F eatur es.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 5–1 5 Id entif ying t he C has sis , Routine C are, and Di sassem bl y P re pa rat io n This chapter prov ides general service informatio n for the computer . Adherence to the p rocedures and precautions described in this chap ter is essential for proper service.
5–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Identif ying the Chassis, Routine Care , and Disassembly Preparation 5 .2 Elec trostati c Disc harg e Infor m ation A sudden discharg e of static electricity from your finger or other conductor can destroy static - sensiti ve de vices or microcircuitry .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 5–3 Identifying the C hassis, R outine Car e, and Disa ssembly Pr epar ation 5 .2.3 P ersonal Groundin g Meth ods and Equip men t Use the fol.
5–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Identif ying the Chassis, Routine Care , and Disassembly Preparation ■ Static aw areness labels ■ Wrist straps and footwear strap s p.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 5–5 Identifying the C hassis, R outine Car e, and Disa ssembly Pr epar ation 5 .3.3 Cleanin g t he K e yboar d Follo w all safety precautions in Section 5.3.1, “General Cleaning Safety Precautions, ” before cleaning the keyboard.
5–6 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Identif ying the Chassis, Routine Care , and Disassembly Preparation 5 .4 Ser vice Considera tions Listed belo w are some of the consideratio ns that you should keep in mind during the di sassembly and assembly of the computer .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 5–7 Identifying the C hassis, R outine Car e, and Disa ssembly Pr epar ation 5 .4.4 C abl es and Co nnec tors Most cables used throughout the unit are flat, fle x ible cables. These cables must be handled with care to av oid damage .
5–8 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Identif ying the Chassis, Routine Care , and Disassembly Preparation.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–1 6 Remo v al and Rep l acem en t Procedur es— Micro to w er (µ T ) Chassi s Adherence to the procedures and precautions desc ribed in this chapter is essential for proper service.
6–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.2 Acces s P an el 1.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–3 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.3 Fro nt Be zel 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ). 2. Remov e the ac cess panels ( Section 6.
6–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.4 Front Dr iv e B ez el s 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–5 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.4.2 Disk et te Driv e Bezel Pull the right retaining tab to ward s the center of the main bezel. At the same time, pull the bezel inwards to remo ve it from the main bezel.
6–6 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.5 Me mo r y For more information on the memory in this series of computers, refer to Appendix E, “Memory . ” 6.5 .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–7 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis ✎ A memory module can be installed in only one w a y . Match the notch on th e module with the tab on the memory socket.
6–8 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.6 Expansion Card 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ). 2. Remov e the right access panel ( Section 6.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–9 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.7 Dr iv es The computer supports up to fi ve driv es that may be installed in v arious configurations. This Section describes the procedure for replacing or upgrading th e storage dri ves.
6–10 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.7 .2 Remo ving a 5.2 5" Driv e 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–11 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.7 .3 Remo ving a Disk et te Driv e 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
6–12 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.7 .4 Remo ving t he Low er Driv e C ag e 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–13 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.7 .5 Rem o vi ng a 3. 5" H a rd Dr ive 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
6–14 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6.8 Front U SB De vi ce 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–15 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6.9 P ow er Switc h As s em b ly 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
6–16 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6. 1 0 Spea k er 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ). 2. Remov e the right access panel ( Section 6.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–17 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6. 1 1 S ystem Fan 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ). 2. Remov e the right access panel ( Section 6.
6–18 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6. 1 2 Processor and H eatsink 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ).
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–19 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 6. 1 3 S y s tem B oard 1. Prepare the computer for disassembly ( Sectio n 6 .1, “Prepara tion for Disassembly” ). 2.
6–20 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6. 1 4 B a t t er y The battery that comes with yo ur co mputer provides po wer to the real-ti me clock and has a lifetime of about three years.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 6–21 Remo val and Replacement Procedur es— Micr otow er (µT) Chassis 4. T o release the battery from its holder , push away the metal clamp that extends abov e one edge of the battery 1 . When the battery pops up, lift it out 2 .
6–2 2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Remo val and Replacement P r oce dures— Mic roto wer (µT) Chassis 6. 1 5 P ow er S u pp ly Å WA R N I N G : V oltage is alwa ys pr esent on the s ystem bo ard w hen the computer is plugged into an acti ve A C outlet .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2-00 2 A–1 A Conn ec tor P in As signm ents This appendix contains the pin assign ments fo r many computer and workstation connectors. Some of these connectors may not be used on the pr oduct being serviced.
A–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Connect or Pin As signments Pa r a l l e l I n t e r f a c e Connector and I con Pi n Sign al Pin Sign al Pin Signal 1 2 3 Stro be Data B.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 A–3 Connecto r Pin Assignmen ts Headphone Conne ctor an d I con (1/8" miniphon e) Pin Signal 1 (Ti p) Au dio _Le f t 2 (R ing) Audio_R i.
A–4 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T Connect or Pin As signments A T A/A T API (IDE) Stand ard Driv e Cabl e Con necto r Pi n Sign al Pin Sign al Pin Signal 1 2 3 4 5 Rese t .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 B–1 B P o w er C ord Set Requiremen ts The v oltage select switch feature on the comput er permits it to operat e from any line v oltage between 100-120 or 2 20-240 volts A C.
B–2 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T P ower C ord Set Requir ements Countr y- Spec ific Req uirements Additional requirements specific to a country ar e shown in parentheses and e xplained below .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 C–1 C PO ST E r r o r M e s s a g e s An error message results if the Po wer -On Self-T est (POST) encounte rs a problem. This test runs when the system is turned on, checking assemblies within the co mputer and reporting any errors found.
C–2 35 9 7 8 2 -00 2 Service R efe rence Guide , dx2000 u T POST Er ror Me ss a ge s Pri mar y Master/Sla ve H a rd D i s k E rro r Pri mar y Master/Sla ve har d dri ve could not be initiali z ed by the BIO S. Re seat the dev ice data and po wer cables.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 C–3 POST Er ror Me ss a ge s Mic r ocode Err or BIOS could not f ind or load the CPU mi cr ocode update to the CP U . Ensur e the sy stem boar d BIOS supports the p rocessor . Change s yst em board jumper on JP2 t o pins 2 -3 (Unlock), then flash the s y stem BIO S.
C–4 35 9 7 8 2 -00 2 Service R efe rence Guide , dx2000 u T POST Er ror Me ss a ge s CMO S Checksum Bad CMO S contents f ailed the Checksum c heck. Re start the c omputer , u se the F10 K ey to access Computer Set up . Select Load Default Settings > Sav e and Exit .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–1 D T roubl eshootin g Wit hou t Di a gnos tic s Preliminar y C h ec klist This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using the diagnostics.
D–2 3 5 9 7 8 2 -00 2 Service R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving M inor Problems Solving Minor Problems Problem Caus e P ossible Solution Comput er appears lock ed up and will not turn off w hen the pow er button is pre ssed .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–3 T r oubleshooting Without Di agnostics Comput er pow er ed off auto matically and the P ow er LED flashe s Red two times, once e very second , follo w ed by a tw o secon d paus e. Processor t herm al protecti on activ ated: A fan ma y be bloc ked or not turning .
D–4 3 5 9 7 8 2 -00 2 Service R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving P o we r Sup p ly Pr obl ems Solvin g Po wer Sup ply P robl ems Problem Cause Solution P ow er suppl y shuts do wn intermittently . V oltage select or sw itch on r ear of computer cha ss i s n o t swit ch ed t o corr ect line volt age.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–5 T r oubleshooting Without Di agnostics Solving Disk et te Problems Solving Disk ette Problems Problem Caus e Solution Disk ette dr iv e light stay s on. Disk ette is damaged. In Microsoft Win dows XP , right -click Start , c li ck Explore , and select a dri ve .
D–6 3 5 9 7 8 2 -00 2 Service R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving H ard Dri ve Pr obl ems A problem has occ urr ed w ith a disk transacti on. The d irecto r y st ruct ure is bad, or ther e is a pr oblem with a f ile .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–7 T r oubleshooting Without Di agnostics Disk trans action pr oblem. E ither the direc tory struc ture is bad or ther e is a pr oblem with a f ile. In Windo ws XP , righ t -cli ck Star t , cli ck Explore , and select a dr i ve .
D–8 3 5 9 7 8 2 -00 2 Service R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics S ystem files miss ing or not pr operly ins talled. 1. I nser t a b ootabl e system diskette and r estart . 2 . V er ify hard dr i ve is partiti oned and fo rmatted.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–9 T r oubleshooting Without Di agnostics Solving Dis pl ay Pr ob lems Solving Displ ay Problems Problem Caus e Solution Blank sc reen (no v ideo). The cable connecti ons are not cor rect . Check the ca ble connections fr om the monitor to the computer and to the electr ical outlet .
D–10 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics P ow er LED flashes R ed six times, once e very second, f ollo we d by a tw o se cond pause , and the computer beeps si x times. Pr e -v ideo graphics err or .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–11 T r oubleshooting Without Di agnostics Cli cking no ise coming fr om inside a CR T monitor .
D–12 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving Audio Problems Solving Audio Problems Problem Caus e Solution Soun d does not co me out of the speak er or headphones . So f t ware vo l u m e c o nt ro l is turned do wn .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–13 T r oubleshooting Without Di agnostics Noise or no sound comes out of the speak ers or headphones .
D–14 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving Printer Proble ms Solving Printer Problems Problem Caus e Solution Printe r will not print . Prin ter is not turned on and online . T urn the printer on and mak e sur e it is online .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–15 T r oubleshooting Without Di agnostics Solving K e yboar d and Mous e Problems Solving K e yboard Problems Problem Caus e Solution K e yboar d commands and typing ar e not r ecogni z ed by the computer .
D–16 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solvin g H a rdware Insta ll a tion Probl em s Y ou may need to reconfigure the computer when you add or remo ve hardware, such as an additional diskette dri ve.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–17 T r oubleshooting Without Di agnostics P ow er LED flashe s Red fi v e times, once e very second, f ollo we d by a tw o se cond pause . The computer beeps at the same r ate and at the same time as the LED fla sh es.
D–18 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving N et w ork Problems These guidelines do not discuss the process of deb ugging the network cabling. Solving Net work Problems Problem Cause Solution Wa ke - o n - L A N f e a t u re i s not functi oning.
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–19 T r oubleshooting Without Di agnostics Diagnos tics pass es, but the computer does not communicate w ith the network . (continued) The netw ork contr oller is not conf igured f or this computer .
D–20 3 5 9 7 8 2 -00 2 Servi ce Ref erence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving Mem or y Problems Ä CAUT ION: For tho se sy stems that support EC C memory , HP does not support mi xing E CC and non- EC C memory . Otherwise , the sy stem will no t boot the operating s ystem .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–21 T r oubleshooting Without Di agnostics Solving Processor Probl ems . Solving Proce s sor Problems Problem Caus e Solution P oor performance is ex pe ri en c e d. Processor i s hot. 1. Make sur e the airfl ow t o the computer is not block ed.
D–2 2 3 5 9 7 8 2 -002 S ervice R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics Solving CD-ROM and D VD Problems Solving CD-ROM and D VD Problems Problem Caus e Solution S yste m will not boot f rom CD-RO M or DVD dr iv e. The CD -ROM or DVD boot is not enabled thr ough the Compute r Setup util ity .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–2 3 T r oubleshooting Without Di agnostics Solving Driv e K e y Problems Solving Internet Acces s Problems Recor ding audio CDs is diffi cult or impos sible. W rong or poor quality media type .
D–2 4 35 9 7 8 2 -002 Service R efer ence Guide , dx2000 u T T r oubleshooting Without Diagno stics Unable to connect to the Inter net. (contin ued ) Cable/DSL service is not av ailable or has been interrupted d ue to bad weather . T r y connecting to the Inter net at a later time or contact y our ISP .
Servi ce Ref erence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 D–2 5 T r oubleshooting Without Di agnostics Internet takes too long to do wnload W eb sites. Modem is not set up pr oper ly . V erify that the corr ect modem speed and COM port ar e selected .
D–2 6 3 5 9 7 8 2 -002 S ervice R efer ence Guide, dx2000 u T T r oubleshooting Without Diagno stics.
Servi ce Ref erence Guide , dx2000 u T 35 9 7 8 2 -00 2 E–1 E Memory Computers equipped with Intel-b ased processors come with double data rate synch ronous dynamic random access memory (DDR-SD RAM ) dual inline memory modules (DIMMs). The memory sock ets on the system bo ard can be populated with up to four industry-standard DIMMs.
E–2 3 5 9 7 8 2 -00 2 Ser vi ce Ref erence Gui de, dx2000 u T Memory DI MM Soc k ets There are four DIMM sockets on the system board, with two sock ets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A.
Sservi ce Refer ence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 Index–1 Ind e x 4-pin power pin assignments A–4 20-pin power pin ass ignments A–4 A ATA/ATAPI (IDE) drive cable pin assignments A– 4 B.
Index–2 3 5 9 7 8 2-00 2 Sservi ce Ref erence Guid e, dx2000 u T Index entering power-on password 3–5 setup password 3–5 error messages, POST C–1 to C–4 ESD (electrostatic discharge) informa.
Sservi ce Refer ence Guide , dx2000 u T 3 5 9 7 8 2 -00 2 Index–3 Index configuring 3–2 dual-state 3– 2 power cord set requirements country specific B–2 general B–1 Power Management 3–3 po.
Index–4 3 5 9 7 8 2-00 2 Sservi ce Ref erence Guid e, dx2000 u T Index U upgrading ROM 3–1 URLs (Web sites). See Web sites USB pin assignments A–2 W Wake-on-LAN feature D–18 warning, battery 5–7 Web sites HP 1–2 HP support 1–1 , 3–1 , 3–3 PC Deployment 3–1 World Wide Web addresses.
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) DX2000 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) DX2000 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) DX2000 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) DX2000 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) DX2000, 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) DX2000.
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) DX2000. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) DX2000 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.
