Manuale d’uso / di manutenzione del prodotto XZ300 del fabbricante HP (Hewlett-Packard)
Vai alla pagina of 101
HP Pavilion zt1000/xz300 Omnibook xt1500 (For use with Technology Code ID) Service Manual.
Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u.
ii Tec hnology Code ID) Notice In a continuing effort to im prove the quality of our products, technical and environm ental information in this docum ent is subj ect to change without notice. This manual and any examples contai ned herein are provided “as i s” and are subject to change wi thout notice.
Tec hnology Code ID) iii Contents Product Information ...................................................................................................... 1-1 Technology Codes .........................................................................
iv Tec hnology Code ID) Replaceable Parts ........................................................................................................... 4-1 Reference Inf ormation ..........................................................................
Tec hnology Code ID) v Tables Table 1-1. Pavi lion zt1000/xz300 and Om nibook xt1500 Series Models............................................ 1-1 Table 1-2. Acti vating Power Modes .....................................................................
vi Tec hnology Code ID) Introduction This manual provides reference inform ation for serv icing HP P avili on zt1000/xz300 and Omnibook xt1500 notebook PCs. It is for use by HP-authorized service personnel while installing, servicing, and repai ring these products.
Technology Code ID) Product Inf orm ation 1-1 1 Product Information The HP P avilion zt1000/ xz300 and Omnibook xt1500 seri es are reliable notebook com puters for the budget-m inded user — whet her at school, at hom e, or as part of a growing business — who wants a thin, light notebook that will meet basic m obile computing needs.
1-2 Product Inf orm ation Tec hnology Code ID) Technology Codes HP does not change the name of a product every ti me the product ’ s technology changes. While thi s helps ensure continuing m arket m omentum for HP products, it com plicates technology deploy m ent and support processes.
Technology Code ID) Product Inf orm ation 1-3 Features The following illustrations show the notebook ’ s mai n external features. F or an exploded view of the notebook, see page 4-2. Figure 1-1. Fr ont View 1. One-Touch buttons (programmable). 2. Power button.
1-4 Product Inf orm ation Tec hnology Code ID) Figure 1-2. Back View 15. AC adapter jack. 16. Parallel port (LPT1) (colored burgundy). 17. External monitor (VGA ) port (colored blue). 18. Universal serial bus (USB) ports (2). 19. S-video (TV out) port (colored yellow ) 20.
Technology Code ID) Product Inf orm ation 1-5 Figure 1-3. Bott om View 32. Infrared port (selected models). 33. Battery. 34. CD/DVD driv e latch. 35. RAM cover. 36. Battery latch. 37. Docking port. 38. Mini-PCI cover. 39. Hard disk drive retaining screw s.
1-6 Product Inf orm ation Tec hnology Code ID) Operation This section giv es an overv iew of the notebook ’ s operation. Turning the Notebook On and Off You can start and stop the notebook using i ts power button.
Technology Code ID) Product Inf orm ation 1-7 Checking the Notebook’s Status The notebook ’ s status li ghts report power and battery stat us, keyboard st atus, and drive acti vity . Figure 1-4. Main Status Lights 1. Hard disk drive activity . • On: the notebook is accessin g the hard dis k drive.
1-8 Product Inf orm ation Tec hnology Code ID) Figure 1-5. Key board S ta tus Lights 1. Caps Lock. Caps L ock is active. 2. Num Lock. Num Lock is active. (The Key pad Lock m ust als o be on to use th e embedded k ey pad.) 3. CD/DVD drive activity. T he CD/DVD drive is active.
Technology Code ID) Product Inf orm ation 1-9 Resetting the Notebook Occasionally, Windows or the notebook m ay stop responding, so that y ou cannot turn the notebook off. If thi s happens, try the following i n the order listed: • Press Ctrl+Alt+Del, then click Shut Down, Turn Off.
1-10 Product Inf orm ation Tec hnology Code ID) Using the CD or DVD Play er (selected models) The multimedia buttons on the front of the notebook control the CD/ DVD pl ay er , and wor k in m uc h the s am e way a s do t he cont rol s of a stan dalon e CD or DVD pl ay er .
Technology Code ID) Product Inf orm ation 1-11 Specifications The following tables list the specifications for the notebook and its accessories. These are subject to change: for the latest versions, see the HP Notebook Web site, www.hp.com/notebooks (in Europe: www.
1-12 Product Inf orm ation Tec hnology Code ID) Key board and Pointing Devices 87/88/91-key touch-type QW ERTY keyboard w ith 101/102 key emulation. Embedded numeric keypad. 12 function (Fn) keys. 5 user-programmable One-Touch buttons. Touch pad w ith lock button and on-off indicator.
Technology Code ID) Product Inf orm ation 1-13 Table 1-5. Pavilion z t1000/xz300 and Omnibook xt1500 Series A ccessories Accessory Description Specific Accessories F3494B Simple port replicator for PL-KV only (This SPR is compatible with 4.
1-14 Product Inf orm ation Tec hnology Code ID) Internal Design The motherboard PCA is the central com ponent of the not ebook ’ s design, and play s a role in vi rtually all sy stem functions. The CPU module and m ost other subsy stem s connect to the m otherboard.
Technology Code ID) Product Inf orm ation 1-15 Table 1-6. Functional Structur e Function Components Used Component Roles Bootup CPU module Motherboard Hard disk drive CD/DVD drive module Main processor. Primary sy stem circuitry. First source of disk-based startup code.
.
Tec hnology Code ID) Removal and Replac em ent 2-1 2 Removal and Replacement This chapter shows how to rem ove and replace the notebook ’ s com ponents, list ed in the followi ng table. The item s m arked by • are user-replaceable. Table 2- 1. Removal Cross- Reference Antenna, Bluetooth (page 2- 20).
2-2 Rem oval and Replacem ent Tec hnology Code ID) Disassembly Flow chart The following diagram shows the general “ paths ” y ou will use in disassembling the notebook to access any part icular com ponent.
Tec hnology Code ID) Removal and Replac em ent 2-3 Table 2-2. Required Equipme nt • #0 Phillips screwdriv er, preferably magnetized. • Small flat-blade screwdriv er. • .5 mm hex driv er. Table 2- 3. Recommended Screw T orques Screw Thread Size Torque (cm-kgf) Torque (in-lbf) M2.
2-4 Rem oval and Replacem ent Tec hnology Code ID) Remov ing the Battery (User-Replaceable) Required Equipme nt • None. Removal Procedure • Slide the battery ’ s release latch in the direction of the arrow on the latch, then lift the b attery out of its compartment.
Tec hnology Code ID) Removal and Replac em ent 2-5 Remov ing a Plug-In Module (User-Replaceable) Required Equipme nt • None. Removal Procedure • Slide the m odule release latch i n the direction shown by the arrow on the latch, and rem ove the module.
2-6 Rem oval and Replacem ent Tec hnology Code ID) Remov ing the Hard Disk Driv e (User-Replaceable) Required Equipme nt • #0 P hillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery . 2. On the bottom of the unit, rem ove bot h hard drive retai ning screws.
Tec hnology Code ID) Removal and Replac em ent 2-7 Figure 2-5. Remov ing th e Hard Disk Tray Reassembly Notes • Insert the connect or end of the drive through t he opening in the tray , then low er the drive int o place. • Carefully slide the hard drive assembly into its compartment.
2-8 Rem oval and Replacem ent Tec hnology Code ID) Recovering and Reinstalling Softw are Use the Recovery CDs to reinstall the origi nal factory software and operating sy stem . The Recovery CDs also provi de all HP notebook – specific Windows driv ers, which are avai lable in the foll owing locations: • On the hard drive, under c:hpdri vers.
Tec hnology Code ID) Removal and Replac em ent 2-9 Remov ing the Key board Cov er (User-Replaceable) Required Equipme nt • #0 P hillips screwdriver. • Small flat- blade screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
2-10 Removal and Replac em ent Technology Code ID) 6. Disconnect the keyboard cov er switch cable from the m otherboard, and remov e the cover from the notebook. Figure 2-7. Removing the Ke yboar d Cover Reassembly Notes • Make sure the key board cover switch cabl e is securely connected to the m otherboard.
Tec hnology Code ID) Removal and Replac em ent 2-11 Remov ing the Key board (User-Replaceable) Required Equipme nt • #0 P hillips screwdriver. • Small flat- head screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
2-12 Removal and Replac em ent Technology Code ID) Warning Do not touch the metal surfaces inside the notebook until they have cooled off. They could be very hot if the notebook was running recently.
Tec hnology Code ID) Removal and Replac em ent 2-13 Remov ing an SDRA M Module (User-Replaceable) The notebook has no SDRA M built into its motherboard, but has two slots for PC133 SDRA M modules: a syst em SDRAM slot beneath the key board (contai ning an SDRAM module inst alled at the factory ), and an expansion slot on the bot tom of t he unit.
2-14 Removal and Replac em ent Technology Code ID) Reassembly Notes • Carefully press the SDRAM module i nto the connector at an angle of about 30 ° , until it is fully inserted. Then press down on both sides of the module until the latches snap closed.
Tec hnology Code ID) Removal and Replac em ent 2-15 Replacing Small Parts (User-Replaceable) The user can replace the following small parts. Table 2- 4.
2-16 Removal and Replac em ent Technology Code ID) Remov ing the Mini-PCI Card (HP Authorized Service Prov iders Only ) Certain notebook m odels include a m ini- PCI card that cont ains either a m odem or com bined m odem and 802.
Tec hnology Code ID) Removal and Replac em ent 2-17 Figure 2-13. Re moving the Mini-PCI Card Reassembly Notes • Reattach the cable(s) to the card, and tuck them into the com partment. • Gently press the card into the connector at an angle of about 30 ° , until it is fully inserted.
2-18 Removal and Replac em ent Technology Code ID) Remov ing the Display A ssembly (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
Tec hnology Code ID) Removal and Replac em ent 2-19 Figure 2-15. Remov ing the Disp lay (2) Reassembly Notes • While install ing the hinge screws, support t he display so that it rem ains approxim ately flat.
2-20 Removal and Replac em ent Technology Code ID) Remov ing Display A ssembly Components (HP Authorized Service Prov iders Only ) Note This procedure des cribes how to remove the dis play bez el, the inverter PCA, and (if pr esent) the wireless antenna.
Tec hnology Code ID) Removal and Replac em ent 2-21 Figure 2-16. Removing Display A ssembly Components Reassembly Notes • Make sure the alignm ent hole in the inv erter PCA fits over the corresponding post in t he display case. • Make sure the alignm ent hole in the w ireless antenna fits ov er the corresponding post in t he display case.
2-22 Removal and Replac em ent Technology Code ID) Remov ing the Fan and Heatsink (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
Tec hnology Code ID) Removal and Replac em ent 2-23 Figure 2-17. Removing the Fan and Heats i nk Caution Be caref ul not to touch the upper sur face of the CPU m odule, or you could damage it. Screws, M2 × 4mm (2) Screw, M2.5x 6mm Screws, heatsink (with springs) (4) Screw, M2.
2-24 Removal and Replac em ent Technology Code ID) Reassembly Notes • Make sure the fan wires are not pinned under t he fan, and is securely plugged into it s socket. • If present, m ake sure the wirel ess cables are not trapped under or behind t he fan, or beneath the cooling fins.
Tec hnology Code ID) Removal and Replac em ent 2-25 Remov ing the CPU Module (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. • Small flat- blade screwdriver. Removal Procedure Caution Be caref ul not to touch the upper sur face of the CPU m odule.
2-26 Removal and Replac em ent Technology Code ID) Figure 2-19. Re moving the CPU Module Reassembly Notes • Carefully reinsert the m odule into it s socket. Make sure the m odule is fully seated, and t hat none of its pins are bent or ot herwise dam aged.
Tec hnology Code ID) Removal and Replac em ent 2-27 Remov ing the Top Case (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery . 2. R emove these additional assemblies: • Plug-in m odule (page 2-5).
2-28 Removal and Replac em ent Technology Code ID) 5. Disconnect the touch pad cable and the CD play er PCA cable from the m otherboard. 6. If present, remov e the wireless cables from their slot in the top case. 7. Remove the retai ning screws from the top case.
Tec hnology Code ID) Removal and Replac em ent 2-29 Figure 2-21. Remov ing the T op Case Reassembly Notes • Make sure the t ouch pad ca ble, and CD/ DVD play er PCA cable, and v olu me PCA cable (if present) are securely connected. • If present, reinsert the wireless cables into their slot in th e top case.
2-30 Removal and Replac em ent Technology Code ID) Remov ing the Hinge Saddles (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
Tec hnology Code ID) Removal and Replac em ent 2-31 Figure 2-22. Re moving the Hinge Saddles Reassembly Notes • Make sure the posts on the underside of the hi nge saddles line up wit h the openings in the bott om case, and that the holes in t he front ends of the saddle fit ov er the alignm ent posts in t he bottom case.
2-32 Removal and Replac em ent Technology Code ID) Remov ing the Motherboard or Bottom Case (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver.
Tec hnology Code ID) Removal and Replac em ent 2-33 5. Remove both retai ning screws from the mot herboard. 6. Remove the four st andoffs located near the CPU module.
2-34 Removal and Replac em ent Technology Code ID) Reinstalling the Motherboard Reassembly Procedure 1. Insert the I/ O connectors through their openings in the bot tom case, then l ower the mot herboard into place. 2. Make sure the PC card eject button fit s into its sl ot in the bottom case.
Tec hnology Code ID) Removal and Replac em ent 2-35 Replacing the Bottom Case Installation Proce dure 1. Install a new Mi crosoft Product ID label. 2. Transfer the old serial number l abel and install a new overlay , or create a new serial number label using the steps on the foll owing page.
2-36 Removal and Replac em ent Technology Code ID) Installing a New Serial Number L abel Download th e latest version of the serial number label template (Microsoft Word format) from the Partnership Web site (see page vi) under Support/ Service in Technical Support Inform ation, or from http://www.
Tec hnology Code ID) Removal and Replac em ent 2-37 Remov ing Notebook Components (HP Authorized Service Prov iders Only ) Required Equipme nt • #0 P hillips screwdriver. • Small flat- blade screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove t he battery .
2-38 Removal and Replac em ent Technology Code ID) Component Removal Procedure Additional Steps Doors, PCMCIA Plug-in module (page 2-5). Hard disk drive (page 2-6). Keyboard cover (page 2-9). Keyboard (page 2-11). SDRAM modules (page 2-13). Mini-PCI card (page 2-16).
Tec hnology Code ID) Removal and Replac em ent 2-39 Component Removal Procedure Additional Steps PCA, volume control Keyboard cover (page 2-9). Keyboard (page 2-11). Display assembly (page 2-18). Top case (page 2-27). Hinge saddle, right (page 2-30). Carefully lift the PCA off of its connector and out of the notebook.
.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-1 3 Troubleshooting and Diagnostics This chapter includes troubleshooting and diagnostic information for testing the functionality of the notebook, and for identify ing faul ty components: • Troubleshooting inform ation Checking for custom er abuse (page 3-3).
3-2 Troubles hooting and Diagnostics Technology Code ID) Troubleshooting The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality repairs, follow t he basic troubleshooting st eps shown below. Check the customer ’ s descri ptio n of the proble m and any supportin g information.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-3 Checking for Customer A buse Some unit s may appear to hav e been damaged by custom er abuse. Use these guidelines t o help determine if this is the case: • If the shi pping box is seriously dam aged, custom er abuse cannot be declared.
3-4 Troubles hooting and Diagnostics Technology Code ID) Troubleshooti ng the Pr oblem Record pertinent inform ation about t he notebook: • Model and serial num ber. • Operating syst em and v ersion. • Software version (hi dden file c:v ersion.inf).
Tec hnology Code ID) Troubles hooting and Diagnostics 3-5 Suggestions for Tr oubl eshooting Table 3-1. Scope of Diagnostic Tools Function e-DiagTools Pow er-on self-test Sy card PCCtest 450 BIOS Bootu.
3-6 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Does not boot on AC or battery. Check power source. Press reset sw itch to reset notebook, then press power button to turn notebook on.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-7 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Battery does not charge. Make sure AC adapter is connected properly and battery installed properly. Check battery contacts.
3-8 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Battery indicator is inaccurate. Time Remaining is an estimate based on how much power the notebook is using at that moment.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-9 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Display Dark display, no light. Make sure notebook is turned on and warmed up. Check power supply . Adjust display brightness.
3-10 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments If you cannot change the display resolution or color depth while play ing a DVD or a video file in AVI or MPEG format Set display resolution and color depth before starting DVD or video file play er.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-11 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Files are corrupted.
3-12 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments “ System Error: Unable to read drive ” message. Make sure disk is clean, undamaged, and inserted correctly.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-13 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Touch pad General problems. Restart notebook. Press and hold power button four seconds to reset notebook.
3-14 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Parallel/USB General problems. Check connections. Restart notebook. Check port settings in Device Manager.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-15 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Modem w ill not connect at any speed. Make sure notebook ’ s modem is properly connected to wall telephone jack.
3-16 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Modem isn ’ t detected. Check modem setup in Control Panel. Check COM port. Open Device M anager. If modem is disabled, enable it.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-17 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments LAN/Network General problems. Check cables and connections. Try connecting notebook to another network station (if applicable).
3-18 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Infrared General problems. Make sure correct driv ers are installed. In Device M anager, double-click Infrared devices, then double-click IrDA Fast Infrared Port.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-19 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments PC card Miscellaneous problems. R emove and reinsert PC card. Restart notebook. Try card in other slot or in another computer.
3-20 Troubles hooting and Diagnostics Technology Code ID) Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Performance Notebook still on but stops responding. Press Ctrl+Alt+Del and end any application not responding.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-21 Sy mptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Notebook gets abnormally hot. Always set notebook on a flat surface, so air can flow freely around and underneath.
3-22 Troubles hooting and Diagnostics Technology Code ID) Diagnostic Tools This section describes t he following diagnost ic tools y ou can use for troubleshooti ng and repairing the notebook: • e-DiagTools diagnost ic program (bel ow). • Power-on self- test (page 3-25).
Tec hnology Code ID) Troubles hooting and Diagnostics 3-23 Running e-DiagTools 1. Restart the notebook: click St art, Turn Off Computer, Restart . 2. When the HP logo appears, press F10 t o start the diagnosti c test. 3. When the menu appears, press F 2 to run e – DiagTools.
3-24 Troubles hooting and Diagnostics Technology Code ID) Note that the parallel port test is m ore thorough if y ou connect a l oop-back connector t o the port before running the test.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-25 Pow er-On Self-Test The PO ST (Power-On Self-Test) is a series of initialization routines and diagnostic tests that the system BIOS runs when the notebook boots.
3-26 Troubles hooting and Diagnostics Technology Code ID) Beep Code Message Description (None) RAM ERROR AT LOCATIO N xxxxxx : WR O T E : xxxx READ : xxxx RAM failed during memory test at the indicated location. (None) PARITY ERROR AT UNKNOW N LOCAT ION Parity error during memory test at unknow n location.
Tec hnology Code ID) Troubles hooting and Diagnostics 3-27 BIOS Con figu ration Utility The BIOS configuration utility provides access to basic sy stem settings. It is independent of the operating sy stem. Running the BIOS configuration utility 1. Restart the notebook.
3-28 Troubles hooting and Diagnostics Technology Code ID) Language Sets the language for the BIOS menus. English (US) Security Menu Description Default User Password is Shows if a user passw ord is set. Clear Administrator Password is Shows if an administrator passw ord is set.
Tec hnology Code ID) Replaceable Parts 4-1 4 Replaceable Parts This chapter contains an exploded view of the notebook, and lists of replaceable parts:.
4-2 Replaceable Parts T echnology Code ID) Figure 4-1. E xploded View.
Tec hnology Code ID) Replaceable Parts 4-3 Table 4-1. Replaceable Part s for the Pav ilion zt1000/xz 300 Series Item Description Part Numb er Exchange Part Number User Replace 1 Antenna Kit, Bluetooth.
4-4 Replaceable Parts T echnology Code ID) 21 PCA, Volume Contr ol F3377-60939 No 22 PCMCIA Sock et Assy F 3398-60936 No 23 Speaker Kit, L/R F5535-60921 Yes 24 Tray, HDD F3398-60914 Yes 128MB DDR266B F4694-60901 Yes 256MB DDR266B F4695-60901 Yes 512MB DDR266B F4696-60901 Yes AC-Adapter-Ultr aslim Delta 75W s/PFC F 4600-60901 Yes Antenna, 802.
Technology Code ID) Referenc e Inform ation 5-1 5 Reference Information This chapter includ es the following reference in formation: • Password removal poli cy. • Display quality statem ent. Passw ord Remov al Policy If the user forgets t he syst em password, the user cal ls HP Customer Care to determ ine the proper password remov al procedure.
5-2 Referenc e Inform ation T echnology Code ID) Hew lett-Packard Display Quality Statement TFT di splay manufacturi ng is a highly precise but i mperfect t echnology , and manufacturers cannot produce large display s that are cosm etical ly perfect. Most, if not al l, TF T display s exhibit som e lev el of cosmeti c imperfecti on.
Technology Code ID) Referenc e Inform ation 5-3 Table 5- 1. TFT LCD G uidelines (14.1/15.0- in XGA) Ty pe of Imperfection Imperfections Not Allowed Electrical Imperfections: Bright dots (a) Dark dots (a) • 7 or more single bright dots. • 7 or more single dark dots.
.
.
1. Product Information 2. Rem oval and Replacem ent 3. Troubleshooting and Diagnostics 4. Replaceable Parts 5. Reference Information.
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) XZ300 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) XZ300 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) XZ300 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) XZ300 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) XZ300, 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) XZ300.
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) XZ300. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) XZ300 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.
