Manuale d’uso / di manutenzione del prodotto CQ57-301TU del fabbricante HP
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Compaq Presario CQ57 Notebook PC Maintenance and Service Guide.
© Copyright 2011 Hewlett-Packard Development Company, L.P. AMD, the AMD Arrow log o, and combinations thereof, are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license.
Safety warning notice WARNING! To reduce the possibilit y of heat-rela ted in juries or of overheating the device, do not place the device directly on your lap or obstruct t he device air vents.
iv Safety warning notice.
Table of contents 1 Product description ............. ............... .............. ............. ............. ................ .............. ...... ... 1 2 External component identification .......... ............ ............. ........... .......
Packaging a nd transpo rting guidel ines ........................................ 35 Component re placemen t procedur es ........................................................ ................................ 37 Service tag ........ ....... ........
7 Backup and recovery ............... ........................... ................... .......................... ............... 9 2 Restore .. ................. .............. ............ .............. ............... .............. ............. .
viii.
1 Product description Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor Produc t Name Compaq Presario CQ57 No tebook PC √√ Proces sors AMD® E450 1.65-GHz pro cessor (dual core, 18 W) √ AMD E350 1.
Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor Intel Pentium B950 2.10-GHz proces sor (2.0- MB L2 cache, dual core, TJ85, 35 W; not supported on computer models equipped with Windows 7 Starter 32-bit operating system) √ Intel Celeron B800 1.
Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor Switchable discrete graphics (not supported on computer models equipped with Windo.
Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor Supports the following hard drives: ● 500-GB, 5400-rpm ● 320-GB, 5400-rpm ● 250-GB, 5400-rpm √√ Optical drive (select models only) Fixed √√ Serial ATA √√ 12.
Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor Support for the following WLAN formats: ● Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter ● Atheros AR9002WB-1NGB 802.
Category Descriptio n Computer models equipped with an AMD processor Computer models equipped with an Intel processor TouchPad with multi-to uch gestures, 2-finger scrolling, and pinch-zoom enabled .
2 External component identification Display Item Compo nent Description (1) WLAN antennas (2)* Send and receiv e wireless signals to comm unicate with WLANs. NOTE: Select computer model s only have one WLAN antenna. (2) Webcam light On: The webcam is in use.
Item Compo nent Description (5) Internal display switch Turns off t he disp lay and initiates Sleep if the display is closed while the power is on . NOTE: The internal display switch is not visible fro m the outside of the computer. *The antennas are not visible from the ou tside of the computer.
Keys Item Compo nent Description (1) esc key Display s syste m inform atio n when pressed in combination with the fn key. (2) fn key Display s syste m inform atio n when pressed in combination with the esc key. (3) Windows logo key Displays the Windows Start menu.
Lights Item Compo nent Description (1) TouchPad light ● Amber: The TouchPad is off. ● Off: The TouchPad is on. (2) Caps lock light ● White: Caps lock is on. ● Off: Caps lock is off. (3) Power ligh t ● White: The computer is on. ● Blinking white: The com puter is in the Sleep state.
TouchPad Item Compo nent Description (1) TouchPad light ● Amber: The TouchPad is off. ● On: The TouchPad is on. (2) TouchPad on/off button Turns the TouchPad on and off. Quickly double-tap the TouchPad on/off button to turn the TouchP ad on and off.
Left side Item Compo nent Description (1) External monitor port Connects an external V GA monitor or projector. (2) Vents (2) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating.
Right side Item Compo nent Description (1) Optical drive (select models only) Reads and writes to an optical disc. (2) Optical drive light ● On: The optical drive is in use. ● Off: The optical drive is idle. (3) USB ports (2) Connect optional USB devices.
Bottom Item Compo nent Description (1) Battery bay Holds the battery. (2) Battery release latch Releases th e battery from the battery bay. (3) Vents (5) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating.
3 Illustrated parts catalog Service tag When ordering pa rts or reques ti ng information, p rovide the computer serial number and model description provided on the service tag. Item Component Description (1) Product name This is the product name affixed to the front of the computer.
Item Component Description (3) Part number/Product number (p/n) This numb er provides specific information about the product’s hardware components. The part number helps a service technician determ ine what components and parts are needed. (4) Warranty period This number describes the duration of the warranty period for the computer.
Computer major components Item Component Spare part number (1) 15.6-in , high definition (HD), light-emitting diode (LED), BrightView display assembly (includes microphone and wireless antenn a transc.
Item Component Spare part number (2) Keyboar d (includes keyboard cable): For use with all computer models: For use in Belgium 646125-A41 For use in Bulgaria 646125-261 For use in Canada 646125-121 Fo.
Item Component Spare part number Cable Kit , includes: 646119-001 (6a) TouchPad cable (6b) Optical drive connector cable (6c) Hard drive connector cable NOTE: See Cable Kit on page 22 for more Cable Kit spare part information.
Item Component Spare part number Intel Core i5-2430M 2.40-GHz processor (1333-M Hz FSB, 3.0-MB L3 cache, dual core, 35 W; not supported on comp uter models equipped with Windows 7 Starter 32-bit operating system) 653341-001 Intel Core i3-2330M 2.20-GHz processor (1333-M Hz FSB, 3.
Item Component Spare part number 6-cell, 47-Whr, 2 .20-Ah Li-ion battery 593553-001 (17) Optical drive (select models only; incl udes bezel and bracket): DVD±RW and CD-RW Super Multi Double-Layer Com.
Cable Kit Item Component Spare part number Cable Kit , includes: 646119-001 (1) TouchPad cable (2) Optical drive connector cable (3) Hard drive connector cable 22 Chapter 3 Il lustrated parts catalo g.
Display assembly subcomponents Item Component Spare part number (1) Display bezel: For use with computer models equipped with a webcam and a microphon e 646117-001 For use with computer models equipped only with a microph one 646118-001 (2) Display hin ge covers ( 2) 646124-001 (3) 15.
Item Component Spare part number (8) Display en closure 646113-001 Display Screw Kit (not illustrated, includes Mylar s crew covers and screws) 646134-001 Mass storage devices Item Component Spare part number (1) Hard drive (2.
Item Component Spare part number DVD-ROM Drive 659638-001 Optical drive slot space saver 659632-001 Miscellaneous parts Component Spare part number HP Smart AC adapter: 65-W RC V HP Smart AC adapter f.
Plastics Kit Item Component Spare part number Plastics Kit , includes: 646131-001 (1) Hard drive co mpartment cover (includes on e captive screw, secured by a C-clip) (2) Memory module/wireless module.
Sequential part number listing Spare part number Description 490371-001 Power cord for use with all com puter models in North America (3-pin, black, 1.83-m) 490371-011 Power cord for use only with computer models equipped with an Intel processor in Australia (3 - pin, black, 1.
Spare part number Description 609948-001 65-W RC V EM HP Smart AC adapter for use only with computer models equipped with an Intel processor 613584-001 Intel Core i3-370M 2.
Spare part number Description 646120-001 Display Cable Kit (includes display pan el cable and webcam/mic rophone module cable) 646121-001 Power connector cable 646122-001 Hard Drive Hardware Kit (inc .
Spare part number Description 646125-DH1 Keyboard for use with all computer models in Denmark, Finland, and Norway (includes keyboard cable) 646125-DJ1 Keyboard for us e with all computer models in Gr.
Spare part number Description 647315-001 Speaker Kit (includes left and right speakers and cable) 647316-001 Fan/heat sink assembly for us e only with computer models equipped with an AMD processor (includes replacement thermal material) 647320-001 System board for use only with computer m odels equipped with an AM D E350 1.
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the fo llowing tools to comple te the removal and replacement procedures: ● Flat-bladed screwdr.
Drive handling CAUTION: Drives are fragile compo nents that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe the se precautions: Before removing or inserting a hard drive, shut down th e computer.
CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these prec autions: Keep components in their electr ostatic-safe containe rs until you are ready to install them. Before touching an elec tronic component, dis charge stat ic electricity by using the guid elines describ ed in this section.
Packaging and transporting guidelines Follow these grounding guidelin es when packaging and transporting equipment: ● To avoid hand contact, transport produc ts in static-safe tubes, bags, or box es. ● Protect ESD-sensitive parts and as se mblies with conductive or ap proved containers or packaging.
Equipment guidelines Grounding equipment must include eith er a wrist st rap or a foot strap at a grou nded workstation. ● When seated, wear a wrist strap co nnected to a gr ounded system. Wrist straps ar e flexible straps with a minimum of one megohm ±1 0% resistance in the ground co rds.
Component replacement procedures This chapter provides removal and repla cement procedures. There are as many as 75 screws that must be re moved, replaced, o r loosened when servicing the computer. Make special note of each screw size and location during removal and r eplacement.
Item Component Description (4) Warranty period This number describes the duration of the warranty period for the computer. (5) Model description This is the alphan umeric identifier used to locate documents, drivers, and support for t he computer. Computer feet The computer feet are adhesive-backed rubber pad s.
Battery Description Spare part number 6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-001 6-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001 Before disass embling the computer, follow the se steps: 1.
To insert the battery: 1. Align the tabs on the rear edge of the battery with the notches on the rear edge of the battery bay. 2. Pivot the front edge of the battery down into the battery bay until it is seated . (The battery release latch will automatica lly lock into place.
2. Lift the rear edge of the memory mo dule/wireless modu le compartment cover (2) up and forward until it rests at an angle. 3. Remove the memory module/w ireless module c ompartment cover. The memory module/ wireless module compartmen t cover is available in the Plas tics Kit, spare part number 646131-001.
7. If it is necessary to replace the opt ical drive brac ket, position the optical drive with the rear panel toward yo u. 8. Remove the two Ph illips PM2.0× 3.0 screws (1) that secure the bracke t to the optical drive. 9. Remove the opti cal drive bracke t (2) .
WLAN module Description Spare part number Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001 Atheros AR9002WB-1NGB 802.1 1b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS ready) 593127-001 Broadcom 4313GN 802.
3. Remove the WLAN module by pulling the mo dule away from the slot at an angle (3) . NOTE: The WLAN module is designed with a notch (4) to prevent in correct installation into the WLAN module socket.
Memory module Description Spare part number 4-GB (PC3, 10600, 1333-MHz) 621569-001 2-GB (PC3, 10600, 1333-MHz) 621565-001 1-GB (PC3, 10600, 1333-MHz) 639738-001 Before removing a memory module, follow these steps: 1.
Hard drive NOTE: The hard drive spare part kit does not includ e the hard drive connector cable, bracket, or screws. The hard d rive connector cable is included in the Cable Kit, spare p art number 646119-001. The hard drive br acket and screws ar e included in the Hard Drive Hardware Kit, spar e part number 646122-0 01.
2. Lift the rear edge of the hard drive compartment cover (2) up and forward until it rests at an angle. 3. Remove the hard drive compartment cover. The ha rd drive compartment cover is availa ble in the Plastics Kit, spare part number 646131-001. 4. Disconnect the ha rd drive connector cable (1 ) from the syst em board.
8. If it is necessary to replace the hard drive connector cable (1) , the hard drive screws (2) , or the hard drive bra cket (3) , remove and replace the components.
Keyboard NOTE: The keyboard spare part kit incl udes a keyboard cab le. Description Spare part number Description Spare part number For use with all computer models: For use in Belgium 646125-A41 For .
Remove the keyboard: 1. Remove the Phi llips PM2.5×6.0 screw that se cures the keyboa rd to the computer. 2. Rest and secure the computer on its left side.
5. Turn the computer ri ght-side up with the front toward you. 6. Lift the rear edge of the keyboard (1) , and then swing the keyboard up and forward (2) until it rests upside down on the palm re st.
Top cover NOTE: The top cover spare part kit incl udes the TouchPad and TouchPad cable. Description Spare part number Top cover (includes TouchPad and TouchPad cable) 646136-001 Before removing the top cover, follow these s teps: 1. Shut down the computer.
4. Remove the seven Phillips PM2.5×6.0 scr ews in the battery bay and the hard drive bay that secure the top cover to the computer. 5. Remove the two Phillip s PM2.5×9.0 s crews (1) and the three Phillips PM2.0×3.0 screws (2) in the battery bay that secure the top cover to the computer.
9. Remove the Phillips PM2.5× 6.0 screw that secures the top cover to the computer. 10. Lift the rear edge of the top cover (1) until the left and right sides disengage from the base enclosure.
11. Remove the top cover (2) . Reverse this procedure to install the top cover. Component replacement proced ures 55.
Power button board Description Spare part number Power button board (includes cable) 646129-001 Before removing the powe r button board, follow these s teps: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
TouchPad button board Description Spare part number TouchPad button board (includes cable) 646130-001 Before removing the TouchPad butto n board, follow these steps: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
4. Remove the TouchPa d button bo ard (4) and cables from the top cover. Reverse this procedure to install t he TouchPad button board and cable. 58 Chapter 4 Removal and replacement p rocedures.
USB board Description Spare part number USB board (includes cable) 646128-001 Before removing the USB board, follow the se steps: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
Power connector cable Description Spare part number Power connector cable 641394-001 Before removing the power connector cable, follow these step s: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
5. Turn the computer ri ght-side up, with the front toward you. 6. Open the computer. 7. Remove the two Phillip s PM2.5×6.0 s crews (1) that secure the power connector and bracket to the comp uter. 8. Remove the power connector bracket (2) . 9. Remove the power connector (3) .
Speakers Description Spare part number Speaker Kit (includes left and right speakers and cable) 647315-001 Before removing the speakers , follow these steps: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
Reverse this proced ure to install t he speakers. Optical drive connector cable NOTE: The optic al drive connector c able is included in the C able Kit, spa re part number 646119-0 01. Before removing the optical drive co nnector cable, follow these s teps: 1.
Display assembly Description Spare part number 15.6-in, HD, LED, BrightView displ ay assembly (include s microphone and wireless antenna transceivers and cables ) Equipped with webcam 645095-001 Not equipped with webcam 64509 4-001 Before removing the display asse mbly, follow these steps: 1.
4. Remove the disp lay assembly (4) . 5. If it is necessary to replace the disp lay bezel or any of the display assembly subcomponent s: a. Remove the two My lar scr ew covers (1) and the two Phillips PM2.5×4.0 screws (2) that secure the display bezel to the display assembly.
6. If it is necessary to replace the webcam /microphone module or microphone module: a. Detach and release the module (1) as far as the module c able allows. (The module is attached to the display enclos ure with double-sided tap e.) b. Disconnect the module cable (2) from the module.
b. Remove the hinge covers (2) . The hinge covers are available u sing spare part number 646124-001. 8. If it is necessary to repl ace the display pa nel: a. Remove the two Phillips PM2.5×4.0 screws (1) and four Phillips PM2.5× 5.0 screws (2) that secure the display panel to the d isplay enclosure.
b. Lift the top edge of the display panel, a nd then swing it up and forward until it rests upside down in front of the display enclosure. c. Release the adhe sive strip (1) that secures the display panel ca ble to the display panel, and then disconnect t he display panel cable (2) from the display panel.
b. Remove the display hinges (2) . The display hinges include the display hinges and brack ets and are available using s pare part number 646123-001. 10. If it is necessary to replace the di splay panel cab le: a. Release the tabs (1) built into the display enclosure sh ie lding that secure the display panel cable to the displa y enclosure.
11. If it is necessary to replace the wireless ante nna cable and transceiver: a. Releas e the wireless antenna transceiver (1) from the display enclosure. (The wireless antenna transcei ver is attached to the di splay enclosure wit h double-sided t ape.
System board NOTE: The system boa rd spare part kit includ es replacement thermal materi al. Replacement thermal material is also available in the Thermal Material Ki t, spare part numbers 650277-001 .
7. Disconnect the hard drive connect or cable f rom the syst em board (see Hard drive on page 46 ). 8. Remove the following components: ● Keyboard (see Keyboard on page 49 ) ● Top cover (see Top c.
4. Remove the system board (3) by sliding it up and to t he right at an angle. NOTE: A heat sink is attached to the base enclos ure to service a component on the bottom of the system board.
RTC battery Description Spare part number RTC battery (includes cable and double-sided tape) 646132-001 Before removing the RTC battery, follow these step s: 1. Shut down the computer. If you are unsure whethe r the computer i s off or in Hibernation, turn the computer on, and then shut it down through the operating system.
3. Detach the RTC battery (2) from the sys tem board. (The RTC battery is attached to the syst em board with d ouble-side d tape.) 4. Remove the RTC battery.
Fan/heat sink assembly NOTE: The fan/heat si nk assembly spare p art kit includes replacement thermal material. Replacement thermal mate rial is also available i n the Thermal Material Kit, sp are par.
● Display assembly (see Display assembly on page 64 ) ● System board (see System bo ard on page 71 ) Remove the fan/heat sink assembly: 1. Disconnect the fan cable fr om the system board. 2. Turn the system board upside down, with the front toward y ou.
NOTE: The following illustrati on shows the fan/he at sink assembly removal process on a c omputer model equipped wi th an Intel processor, the I ntel HM65 or HM5 5 chipset, and a graphics subsyst em with discrete memory.
NOTE: The following illustrati on shows the fan/he at sink assembly removal process on a c omputer model equi pped with an I ntel processo r, the Intel HM45 chipset, and a graphics subsystem w ith UMA memory.
● Thermal paste is used on the processor (1) and the heat sink section (2) that services it ● A thermal pad is used on the Northbridge chip (3) and the heat sink section (4) that servic es it NOTE.
● Thermal paste is used on the processor (1) and the heat sink section (2) that services it ● A thermal pad is used on the Northbridge chip (3) and the heat sink section (4) that servic es it NOTE: The following i llustration shows the replacem ent thermal material locations on a computer model equi pped with an I ntel Celeron pr ocessor.
Processor NOTE: This section applies only to computer mo dels equipped with an Intel pr ocessor. NOTE: The processor sp are part kit includes re placement thermal material.
● WLAN module (see WLAN module on page 43 ) ● Keyboard (see Keyboard on page 49 ) ● Top cover (see Top cover on page 52 ) ● System board (see System bo ard on page 71 ) ● Fan and heat sink (see Fan/heat sink assembly on page 76 ) Remove the processor: 1.
5 Setup Utility (BIOS) and System Diagnostics Using Setup Utility Setup Utility, or Basic Input /Output System (BIOS) , controls communication between all the input and output device s on the system (such a s disk drives , display, keyboard, mouse, and printer).
Navigating and select ing in Setup Utility To navigate and select in Setup Utilit y, follow these steps: 1. Turn on or restart the computer, and then pres s esc while the “Press the ESC key for Startup Me nu” message is displaye d at the bottom of the screen.
Restoring factory settings in Setup Utility NOTE: Restoring de faults will not change the hard drive mode. To return all settings in Setup Utility to the values that were set at the factory, f ollow these steps: 1.
Determining the BIOS version To determine whether available BIOS updates contain later BIOS versio ns than those currently installed on the computer, you need to know the vers ion of the system BIOS currently installed.
BIOS installati on procedures vary. Follow any instructions that are display ed on the screen after the download is complete. If no instructions are di splayed, follow these s teps: 1. Windows 7 —Open Windows Explo rer by selecti ng Start > Computer .
6 Specifications Computer specifications Metric U.S. Dimensions Depth 24.7 cm 9.7 in Width 37.6 cm 14.8 in Height (front to back) 3.1 to 3.6 cm 1.2 to 1.4 in Weight 2.49 kg 5.49 lb Input power Operating voltage 18.5 V dc @ 3.5 A - 65 W or 19.0 V dc @ 4.
15.6-inch display specifications Metric U.S. Dimensions Height 19.6 cm 7.72 in Width 34.7 cm 13.66 in Diagonal 39.8 cm 15.67 in Number of colo rs Up to 16.8 million Contrast ra tio 200:1 (ty pical) Bright ness 200 nits (typical) Pixel resolution Pitch 0.
Hard drive specifications 500-GB* 320-GB* 250-G B* Dimensions Height 9.5 mm 9.5 mm 7.0 mm Length 100.4 mm 100.4 mm 100.4 mm Width 6 9.9 mm 69.9 mm 69.9 mm Weight 110 g 110 g 110 g Interface type SATA SATA SATA Transfer rate Synchronous (maximum) 1.1 GB/sec 1.
7 Backup and recovery Your computer inclu des tools provided by the op erating system and HP to help you safeguard you r information and re store it if ever ne eded.
Creating restore media HP recommends that you create ei ther a set of recove ry disc s or a recovery fl ash drive to be sure that you can restore your computer to its original factory state if the hard drive fails, or if for any re ason you cannot restore using the recovery partition tools.
Performing a system restore Recovery Manager software allows you to repair or restore the computer to its original facto ry state. Recovery Manager works from recove ry discs, a recovery flash driv e, or from a dedicated recovery partition (select models only) on the hard drive.
Restoring using the restore media 1. If possible, back up a ll personal files. 2. Insert the first r ecovery disc into the optical dr ive on your computer or an optional external optical drive, and then res tart the computer. – or – Insert the recovery flash drive into a USB port on your computer, and then restart the computer.
Backing up and recovering your information It is very important to back up your files and keep any new software in a safe place. As you add new software and data files, continue to create backups on a regular basis. How completely you are ab le to recover your system depends on how recent your backup is.
Using Windows Back up and Restore Guideline s: ● Be sure that the computer is connected to AC power before you start the bac kup process. ● Allow enough time to complete the back up process. De pending on file sizes, it may take over an hour. To create a backup: 1.
Create a system restore point 1. Select Start > Control Panel > System and Security > System . 2. In the left pane, click System Protection . 3.
8 Power cord set requirements The wide-range input fe ature of the computer permit s it to operat e from any line volt age from 100 t o 120 volts AC, or from 220 to 240 volts AC. The 3-conductor power cord set in cluded with the computer meets the requ irements for use in the country or region where the equipment is purchased.
Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 Fran.
9 Recycling Battery When a battery has reached the end of its useful life , do not dispose of th e battery in general household waste. Follow the local laws and regulati ons in your area for computer battery dis posal. Display WARNING! The backlight contains mercury.
Perform the following steps: 1. Remove all screw covers (1) and screws (2) that secure the display be zel to the display assembly. 2. Lift up and out on the le ft and right inside edges (1) and the top and bottom insi de edges (2) of the display bezel unti l the bezel disengages from the dis play assembly.
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2) . 5. Remove all screws (1) that secure the displ ay panel assembly to the display encl osure. 6. Remove the display pane l assembly (2) from the display enclosure.
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it ou tward. 13. Remove the backli ght cover. 14.
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside d own. 17. Remove the backlight frame from the display panel. WARNING! The backlight contains merc ury. Exercise caution when removing and handling the backlight to avoid damaging this componen t and causing exposu re to the mercury.
18. Remove the backlight fr om the backlight frame. 19. Disconnect the display cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD pane l (3) from the display rear panel. 22.
Index A AC adapter light 13 AC adapter, spare p art numbers 25, 27, 28 Action keys 9 antenna locations 7 removal 70 spare part number 23, 28, 70 Antenna Kit, spare pa rt number 23, 28, 70 audio, produ.
F fan/heat sink assembly removal 76 spare part numbers 20, 30, 31, 76 feet, locations 38 fn key 9 G graphics, pr oduct descri ption 2 grounding guidelines 33 guidelines equipment 36 grounding 33 packa.
power connector 13 power connecto r cable removal 60 spare part number 19, 29 power cord set requirem ents 99 spare part numbers 25, 27 power light 10, 12 power requirements, product description 6 pro.
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 CQ57-301TU 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 CQ57-301TU - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP CQ57-301TU imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP CQ57-301TU ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP CQ57-301TU, 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 CQ57-301TU.
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 CQ57-301TU. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP CQ57-301TU 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.
