Manuale d’uso / di manutenzione del prodotto Chromebook 14 del fabbricante HP
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HP Chromebook 14 Maintenance and Service Guide IMPORTANT! This document is intended for HP authorized service providers only..
© Copyright 2013 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Celeron are U.S. registered trademarks of Intel Corporation. SD Logo is a trademark of its proprietor.
Safety warning notice WARNING! To reduce the possibility of heat-related in juries or of overheating the device, do not place the device directly on your la p or obstruct the device air vents.
iv Safety warning notice.
Table of contents 1 Product description .................... .............. ............... ............ ............... .............. .............. ... 1 2 External component identification ............... ............ ............ ............. ..
SIM slot bo ard ... ........... ........ ........... ......... ....... ........... ......... ........ ........... ......... ....... 31 WLAN module ............ .............. ............. .............. ............ ............ .............. ......
1 Product description Category Description Produc t Name HP Chromebook 14 Proces sor Intel® Celeron® 2955U 1.40-GHz processor (2.0-M B L3 cache, 15 W) Chipset Intel Lynx Point-LP processor control ler hu b (PCH), ULT, sol dered on circuit (SoC), integrated in MCP Panel 14.
Category Description Integrated wireless wide area network (WW AN) options by way of wireless modul e (select models only) Two WWAN antennas built into disp lay assembly (select models onl y) Support .
2 External component identification Display NOTE: The position of the WLAN antennas differs ac cording to model. If your model has WWAN capability in addi tion to WLAN, the WL AN antennas will be are located below the display. See (1) in the table below.
Item Component Description (6) WWAN antennas (2)* (select models only) Send and receive wireless sign als to communicate with wireles s wide area networks. *The antennas are not visible from the outside of the comput er. For optimal transmission , keep the areas immediately around the antennas free from obstructio ns.
TouchPad Item Component Description (1) TouchPad zone Reads your finger gesture to move the point er or activate items on the screen. TouchPad 5.
Left side Item Component Description (1) Security cable slot Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen .
Right side Item Component Description (1) Power connector Connects an AC adapter. (2) AC adapter light ● White: AC adapter is attached ● Amber: Battery is charging. ● Blinking white: The AC adapter is co nnected and battery capacity is low ● Off: Running on battery power.
Bottom Item Component Description (1) Vents (2) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal fo r the internal fan to cycle on and off during routine operation.
3 Illustrated parts catalog Locating the serial number, product number, and model number The serial number and product number of your tablet are located on the left ed ge of the tablet. The model number of your tablet is lo cated on the back of your tablet.
Computer major components Item Component Spare part number (1) Display assembly : The display assem bly is spared at the subcomponent level only. For m ore display assembly spare part information, see Display assembly component s on page 13 .
Item Component Spare part number For use in the Netherlands 740172-B31 For use in the United Kingdom and Singapore 740172-031 For use in the United States 740172-001 (3) Speaker Kit (includes left and righ t speakers and cables) 740154-001 (4) SIM slot board (includes cable) 740168-001 (5) Atheros AR9462 802.
Item Component Spare part number In snow white finish for use on ly on computer models not equipped with WWAN capability 740167-001 Rubber Kit (not illustrated, includes bas e enclosure rubber feet an.
Display assembly components Item Component Spare part number (1) Display bezel: In ocean turquoise finish 741671-001 In peach coral finish 740150-001 In snow white finish 741670-001 (2) Webcamera/mi crophone module (includes do uble-sided adhesive) 740152-001 (3) 14.
Item Component Spare part number (7) Display panel cable (inclu des webcamera/microphone module cable) 740145-001 (8) Display enc losure: In ocean turquoise finish for use onl y on computer models equ.
Sequential part number listing Spare part number Description 490371-001 Power cord for use in North America (3-pin, black, 1.83-m) 490371-011 Power cord for use in Au stralia (3-pin, black, 1.83-m) 490371-021 Power cord for use in Eu rope (3-pin, black, 1.
Spare part number Description 740160-001 System board equipped with an Intel Celeron 2955U 1 .40-GHz processor (2.0-MB L3 cache, 15 W), 4.0-GB of system memory, and a gr aphics subsystem with UMA mem .
Spare part number Description 743915-001 Rubber Kit for use on computer m odels with rubber white finish 744781-001 USB board for use only on comp uter models equipped with WWAN capability (includes (.
4 Removal and replacement procedures preliminary requirements Tools required You will need the following tools to comple te the removal and replacement procedures: ● Flat-bladed screw driver ● Mag.
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Impr oper cable placement ca n damage the comput er. Cables must b e handled with extre me care to avoid damage.
Grounding guidelines Electrostatic discharge damage Electronic componen ts are sens itive to electro stati c discharge (ESD). Circuitry design and structure determine the degree of sensitiv ity.
Packaging and transporting guidelines Follow these grounding guidelines when packagin g and transporting equipment: ● To avoid hand co ntact, transport pr oducts in static-safe tube s, bags , or boxes. ● Protect ESD-sensitive part s and assemblies with co nductive or approved co ntainers or packaging.
Equipment guidelines Grounding equipment must include either a wrist st rap or a foot strap at a grounded workstation. ● When seated, wear a wrist strap connected to a gr ounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.
Component replacement procedures This chapter provides removal and replacement procedures for Authoriz ed Service Provider only parts. There are as many as 47 screws that must be remo ved, replaced, and/or loos ened when servicing t he computer. Make s pecial note of each screw siz e and location during removal and replac ement.
3. Remove the thirteen Phillips PM2.5×6.5 scre ws that secure the keyboard/top cover to the comp uter. CAUTION: Use caution when detaching the keyboard/t op cover from the b ase enclosure. The keyboard and TouchPad ribbon cables are st ill connected to the system board and can be damaged .
7. Release the zero ins ertio n force (ZIF) connector (1) to which the keyboard cable is attached , and then disconnect th e keyboa rd cable (2) from the system board. 8. Release the ZIF connecto r (3) to which the TouchPad cable is attached, and then disconnect the TouchPad cabl e (4) from the syst em board.
Speakers Description Spare part number Speaker Kit (includes left and right speakers and cables ) 740154-001 Before removing the speakers, fo llow these steps: 1. Turn off the computer. If you are unsur e whether the computer is off o r in Hibernation, turn the computer on, and then shut it down through the operating system.
5. Remove the speakers (4) . Reverse this procedure to install the speakers. Component re placement procedures 27.
Battery Description Spare part number 4-cell, 51-WHr, 3.42-AHr, Li-ion battery (includes cable) 738392-005 Before removing the battery, follow these steps: 1. Turn off the computer. If you are unsur e whether the computer is off o r in Hibernation, turn the computer on, and then shut it down through the operating system.
Remove the battery: 1. Disconnect the battery cable from the system b oard. 2. Remove the Phillips PM2.5×4.5 screw (1) that secures the battery to the base enclosure. 3. Lift the left side of the battery (2) until the battery is clea r of the alignment post (3) in the middle of the battery.
5. Remove the battery (5) by sliding it forward. Reverse this procedure to install the battery. 30 Chapter 4 Removal and replacement p rocedures preliminary requirements.
SIM slot board Description Spare part number SIM slot board (includes cable) 740168-001 Before removing the SIM slot board, follow these steps: 1. Turn off the computer. If you are unsur e whether the computer is off o r in Hibernation, turn the computer on, and then shut it down through the operating system.
3. Remove the SIM slot board (3) and cable. Reverse this procedure to install the SIM slot board. WLAN module Description Spare part number Atheros AR9462 802.11a/b/g/n 2×2 Bl uetooth 4.0 Combo Adapter 676786-005 Before removing the WLAN module, follow these step s: 1.
Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The WLAN antenna cable labe led “1” co nnect s to the WLAN module “Main” terminal labeled “1”. The WLAN antenna cable labeled “2” connects to th e WLAN module “Aux” terminal labeled “2”.
Reverse this procedure to install the WLAN module. Fan Description Spare part number Fan (includes cable) 740149-001 NOTE: To properly ventilate the comput er, allow at least 7.6 cm (3 in ) of clearance on the rear edge of the computer. The computer us es an electric fan for ventilation.
3. Remove the fan (3) . Reverse this procedure to ins tall the fan. USB board NOTE: The USB board s pare part kit incl udes a cabl e. Description Spare part number For use only on computer models equi.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 23 ). 5. Disconnect the battery cable from the s ystem board (see Speakers on page 26 ). NOTE: When repl acing the USB board, be sure that the WWAN mo dule (see WWAN module on page 37 ) is rem oved from the def ective USB board and installed on the replacement USB board.
WWAN module Description Spare part number HP cr3124 HSPA+ Mobile Broadband Module 741284-005 Before removing the WWAN modu le, follow these s teps: 1. Turn off the computer. If you are unsur e whether the computer is off o r in Hibernation, turn the computer on, and then shut it down through the operating system.
NOTE: If the WLAN antenna cables are not connect ed to the terminals on the WLAN module, protective sleeve s should be instal led on the antenna connectors, as sh own in the following illustratio n.
3. Release the powe r connector (3) from the retention clips built into the base enclosure. 4. Remove the power connector cable. Reverse this procedure to install the power connector cable. Hall sensor board Description Spare part number Hall sensor board (includes cable) 740149-001 Before removing the hall sensor board, follow these steps: 1.
3. Remove the hall sensor board (3) . Reverse this procedure to install the hall sensor board. Display assembly NOTE: The display assembly is spared at the subcom ponent level only. For more display assembly spare part information, see the individual remov al subsections.
Remove the display assembly: 1. Disconnect the display panel cable (1) from the system boar d. 2. Disconnect the WLAN antenna cables (2) from the terminals on the WLAN module. NOTE: The WLAN antenna cable labe led “1” co nnect s to the WLAN module “Main” terminal labeled “1”.
7. Remove the display assembly (2) . 8. If it is necessary to replace the display beze l or any of the dis play assembly subcompo nents: a. Remove the two screw covers (1) and the two Phil lips PM2.0×2. 5 screws (2) t hat secure the display bezel to the display assembly.
b. Flex the inside edges of the top ed ge (1) , the left and right sides (2) , and the bottom edge (3) of the display bezel unti l the bezel disenga ges from the display enclosure.
9. If it is necessary to re place the displ ay panel: a. Remove the f our Philli ps PM2. 0×2.5 screw s (1) that secure the display panel to the display enclosure. b. Lift the top edge of the display panel (2) until it rests at an angle. c. Release the adhesive support strip (1) that secures the display panel cable to the display panel.
e. Remove the display panel (3) . The display pane l is available usi ng spare par t number 740 155-001 . 10. If it is necessary to re place the webc amera/microp hone module : CAUTION: Handle the webcamera/microphone module with caution. This module has a thin profile and is su sceptible to damage whe n not handled carefu lly.
c. Remove the webcamera/microphone module (3) . The webcamera/microphone module is avai lable using spare part number 740152-001. d. Release the adhesive support strip (1) that secures the display panel cable to the display panel. e. Disconnect the display panel cable (2) from the display panel.
f. Remove the display panel (3) . The display pane l is available usi ng spare par t number 740 155-001 . 11. If it is necessary to re place the displ ay hinges: a. Remove the following screws that secure th e display hinges to the display enclosure: (1) Two Phillips PM 2.
b. Remove the display hinges (4) . The display hinges are included in the Display Hinge Kit, spar e part number 740147- 001. 12. If it is necessary to replace the WL AN antenna cables and transceivers: a. Detach the WLAN antenna transceivers (1) from the display enclosure.
c. Remove the WLAN antenna cables and transceivers (3 ) . The WLAN antenna cables and tra nsceivers ar e included in the WLAN Antenna Kit, spare part nu mber 740171 -001. 13. If it is necessary to replace the WWAN antenna cables and tra nsceivers: a. Detach the WWAN antenna transceivers (1) from the display enclosure.
c. Remove the WWAN antenna ca bles and transce ivers (3) . The WWAN antenna cables and transceivers are included in the WWAN Antenna Kit, spare part number 740170-001. 14. If it is necessary to re place the displ ay panel cable: a. Disconnect the display panel cable (1) from the webcamera/mic rophone mo dule.
c. Remove the display panel cable (3) . The display panel ca ble is availabl e using spare part num ber 740145 -001. Reverse this procedure to reassemble and install the display assemb ly.
System board NOTE: The system board spare p art kit includes replac ement thermal material. Description Spare part number Equipped with an Intel Celero n 2955U 1.40-GHz processor (2.0-MB L3 cache, 15 W), 4.0-GB of system memory, and a graphics subsystem with UMA memory 740160-001 Equipped with an Intel Celero n 2955U 1.
Remove the system board: 1. Disconnect the following cables from the system board: (1) Display panel cable (2) Power connector cable (3) USB boar d cable (4) Fan cable 2. Remove the three Phillips PM2.5×4.5 screw s (1) that secure the system board to the base enclosure.
3. Remove the system board (2) . Reverse this procedure to ins tall the system board. Heat sink Description Spare part number Heat sink (includes replacement thermal material) 740146-001 Before removing the heat sink, follow thes e steps: 1. Turn off the computer.
d. Hall sensor board (see Hall sensor board on page 39 ) e. System board (see System bo ard on page 52 ) Remove the heat sink: 1. Turn the system bo ard upside do wn, with the rear toward you. 2. Following the 1 through 4 sequence stamped into th e heat sink, loosen the four Phillips captive screws (1) that secure the heat sink to the system board.
Reverse this procedure to ins tall the heat sink. Solid-state drive Description Spare part number 32 GB 740159-001 16 GB 740158-001 Before removing the solid-st ate drive, follow these s teps: 1.
3. Remove the solid-state drive (2) by pulling the drive away from the slot at an angle. Reverse this procedure to install the solid-state drive. Component re placement procedures 57.
5 Specifications Metric U.S. Dimensions Width 34.44 cm 13.56 in Depth 23.98 cm 9.44 in Height 2.16 cm 0.86 in Weight (lowest weight configuration) 2.15 g 4.
6 Power cord set requirements The wide-range input feature of the computer permit s it to operate from a ny line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC. The 3-conductor power cord set in cluded with the computer me ets the require ments for use in the country or region where the equipment is purchased.
Country/region Accredited agency Applicable note number France UTE 1 Germany VDE 1 Italy IMQ 1 Japan METI 3 The Netherlands KEMA 1 Norway NEMKO 1 The People's Republic of China COC 5 South Korea EK 4 Sweden CEMKO 1 Switzerland SEV 1 Taiwan BSMI 4 The United Kingdom BSI 1 The United States UL 2 1.
7R e c y c l i n g When a non-rechargeable or recharge able battery has reache d the end of its useful life, do not dispose of the battery in ge neral household waste.
Index A AC adapter light 7 AC adapter, spare p art numbers 15, 16 antenna location 3, 4 removal 48, 49 spare part numbers 13, 16, 49, 50 audio, product description 1 audio-in jack 6 audio-out jack 6 B.
lights AC adapter 7 power 6 webcamer a 3 M mass storage device precautions 19 product description 1 memory card reader 7 memory module, product description 1 microphone location 3 product description .
WWAN module removal 37 spare part number 11, 16, 37 64 Index.
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 Chromebook 14 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 Chromebook 14 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP Chromebook 14 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP Chromebook 14 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP Chromebook 14, 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 Chromebook 14.
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 Chromebook 14. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP Chromebook 14 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.
