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NOTE:

Refer to the illustration that most closely matches your computer.

Component

Description

(1)

WLAN antennas (2)*

Send and receive wireless signals to communicate with wireless
local area networks (WLAN).

(2)

Internal microphones (1 or 2 depending on
model)

Record sound.

(3)

Webcam light (select models only)

On: The webcam is in use.

(4)

Webcam (select models only)

Records video and captures still photographs.

(5)

Internal display switch

Turns off the display or initiates Suspend if the display is closed
while the power is on.

NOTE:

The display switch is not visible from the outside of the

computer.

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately
around the antennas free from obstructions. To see wireless regulatory notices, refer to the section of the

Regulatory, Safety,

and Environmental Notices

that applies to your country or region.

Display - SUSE Linux models

Содержание ProBook 4740s

Страница 1: ...HP ProBook 4740s Notebook PC Maintenance and Service Guide ...

Страница 2: ...rademarks of Microsoft Corporation in the United States and or other countries SD Logo is a trademark of its proprietor The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty...

Страница 3: ...llow another hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to contact the skin or a soft surface such as pillows or rugs or clothing during operation The computer and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for Safety o...

Страница 4: ...iv Safety warning notice ...

Страница 5: ...eys SUSE Linux models 15 Front 16 Left 17 Right 18 Bottom 19 3 Illustrated parts catalog 20 Service tag and PCID label 20 Service tag 20 PCID label 21 Computer major components 22 Display components 26 Plastics Kit 26 Cable Kit 27 Mass storage devices 28 Miscellaneous parts 29 Sequential part number listing 30 4 Removal and replacement procedures 35 Preliminary replacement requirements 35 Tools re...

Страница 6: ...oth combo card 50 Keyboard 52 Top cover 54 Fingerprint reader board 59 Function board Power button board assembly 61 USB connector assembly 62 Fan 64 Speaker assembly 65 Audio board 67 Power cable 68 Battery cable 69 System board 70 RTC battery 73 Optical drive extension board 75 Hard drive extension board 77 Heat sink 79 Processor 80 Latch assembly 83 Display assembly 85 5 Computer Setup BIOS and...

Страница 7: ...02 Determining the BIOS version 102 Downloading a BIOS update 102 Using Advanced System Diagnostics 103 SUSE Linux Computer Setup BIOS and Advanced System Diagnostics 104 Starting Computer Setup 104 Using Computer Setup 104 Navigating and selecting in Computer Setup 104 Restoring factory settings in Computer Setup 105 Updating the BIOS 105 Determining the BIOS version 106 Downloading a BIOS update...

Страница 8: ...120 Using f11 recovery tools 121 Using Windows 8 operating system media purchased separately 121 Using Windows Refresh for quick and easy recovery 122 Remove everything and reinstall Windows 122 Using HP Software Setup 123 SUSE Linux Backup and recovery 124 Creating backups 124 Backing up your information 124 Performing a system recovery 125 USB Recovery option select models only 125 Remove everyt...

Страница 9: ...rocessor 3210M 2 50 GHz processor 2450M 2 50 GHz processor Intel Core i3 processors Dual Core 3rd generation 3 GB L3 cache 35W 3120M 2 50 GHz processor 3110M 2 40 GHz processor Intel Core i3 processors Dual Core 2nd generation 3 GB L3 cache 35W 2370M 2 40 GHz processor 2350M 2 30 GHz processor Intel Pentium processor Dual Core 2 GB L3 cache 35W 2020M 2 40 GHz processor B980 2 40 GHz processor B970...

Страница 10: ...A hard drives with HP 3D DriveGuard Customer accessible Supports the following drives 750 GB 7200 rpm and 5400 rpm 640 GB 5400 rpm 500 GB 7200 rpm 320 GB 7200 rpm Fixed optical drives Supports the following 12 7 mm SATA optical drives DVD ROM DVD RW SuperMulti DL Blu ray ROM DVD RW SuperMulti DL Supports no optical drive option Audio Visual Integrated dual array microphone webcam models only Stere...

Страница 11: ...of Bluetooth module Bluetooth 4 0 only supported by combo card External media card 6 in 1 Digital Media Reader Slot Ports Audio in stereo microphone Audio out stereo headphone RJ 45 Ethernet includes link and activity lights USB 3 0 2 USB 2 0 2 VGA Dsub 15 pin supporting 1600 1200 external resolution at 75 GHz hot plug unplug with auto detect HDMI Multi pin AC port Keyboard pointing devices Full s...

Страница 12: ...ter not for Japan Windows 7 Professional 64 with Microsoft Office 2010 Personal Japan only Windows 7 Professional 64 with Microsoft Office 2010 Home Business Japan only Windows 7 Professional 64 with Microsoft Office 2010 Professional Japan only Windows 7 Professional 32 with Microsoft Office 2010 Personal Japan only Windows 7 Professional 32 with Microsoft Office 2010 Home Business Japan only Win...

Страница 13: ...tion OEM Preinstallation Kit OPK not available in Japan Windows 8 Emerging Markets EM 64 bit with Office 2010 Transition OEM Preinstallation Kit not available in Japan Windows 8 Chinese Market CH 64 bit with Office 2010 Transition OEM Preinstallation Kit People s Republic of China only Windows 8 Multi language 64 bit with Office 2010 Personal Japan only Windows 8 Multi language 64 bit with Office ...

Страница 14: ...Category Description Hard drive Memory module Optical drive WLAN module Keyboard 6 Chapter 1 Product description ...

Страница 15: ...te with wireless local area networks WLAN 2 Internal microphone s 1 or 2 depending on model Record sound 3 Webcam light select models only On The webcam is in use 4 Webcam select models only Records video and captures still photographs To use the webcam select Start All Programs ArcSoft TotalMedia Suite WebCam Companion Display 7 ...

Страница 16: ...or optimal transmission keep the areas immediately around the antennas free from obstructions To see wireless regulatory notices refer to the section of the Regulatory Safety and Environmental Notices that applies to your country or region These notices are located in Help and Support To access this guide in Windows 8 select the HP Support Assistant app on the Start screen select My computer and t...

Страница 17: ... only Records video and captures still photographs 5 Internal display switch Turns off the display or initiates Suspend if the display is closed while the power is on NOTE The display switch is not visible from the outside of the computer The antennas are not visible from the outside of the computer For optimal transmission keep the areas immediately around the antennas free from obstructions To s...

Страница 18: ...nd off 2 TouchPad zone Moves the pointer and selects or activates items on the screen 3 Left TouchPad button Functions like the left button on an external mouse 4 Right TouchPad button Functions like the right button on an external mouse 10 Chapter 2 External component identification ...

Страница 19: ...r light On The computer is on Off The computer is off in Suspend mode or in Hibernation In SUSE Linux Off The computer is off in the Suspend state or in Hibernation 4 Wireless light White An integrated wireless device such as a wireless local area network WLAN device and or a Bluetooth device is on Amber All wireless devices are off 5 TouchPad light Amber The TouchPad is off Off TouchPad is on Top...

Страница 20: ...Buttons and fingerprint reader select models only 12 Chapter 2 External component identification ...

Страница 21: ...result in the loss of unsaved information To learn more about your power settings In Windows 7 Select Start Control Panel System and Security Power Options In Windows 8 From the Start screen type power options Click Settings and then select Power Options from the options displayed In SUSE Linux 1 Select Computer Control Center 2 In the left pane click System and then click Power Management in the ...

Страница 22: ...4 Function keys Execute frequently used system functions when pressed in combination with the fn key 5 Windows 7 applications key Windows 7 Displays a shortcut menu for items beneath the cursor Windows 8 Displays the App bar and a shortcut menu for items beneath the cursor Windows 8 applications key 6 num lk key Alternates between the navigational and numeric functions on the integrated numeric ke...

Страница 23: ...ating system menu 3 Function keys Execute frequently used system functions when pressed in combination with the fn key 4 Operating system applications key Displays a shortcut menu for items beneath the cursor 5 num lk key Alternates between the navigational and numeric functions on the integrated numeric keypad 6 Integrated numeric keypad Can be used like an external numeric keypad Top 15 ...

Страница 24: ...apacity SDXC Card 3 Audio out headphone jack Connects optional powered stereo speakers headphones earbuds a headset or a television audio cable WARNING To reduce the risk of personal injury adjust the volume before putting on headphones earbuds or a headset For additional safety information refer to the Regulatory Safety and Environmental Notices NOTE When a device is connected to the jack the com...

Страница 25: ...is the only available power source has reached a low battery level When the battery reaches a critical battery level the battery light begins blinking rapidly Off The battery is fully charged 4 Vent Enables airflow to cool internal components NOTE The computer fan starts up automatically to cool internal components and prevent overheating It is normal for the internal fan to cycle on and off durin...

Страница 26: ...tical disc NOTE On select models the optical drive also writes to an optical disc 3 Optical drive light select models only On The optical drive is being accessed Off The optical drive is idle 4 Optical drive eject button select models only Releases the optical drive disc tray 18 Chapter 2 External component identification ...

Страница 27: ...odule only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region If you replace the module and then receive a warning message remove the module to restore computer functionality and then contact technical support through Help and Support On Windows 7 models contact technical support through Help and Support On...

Страница 28: ...ntifier that is unique to each product Part number Product number p n 3 This number provides specific information about the product s hardware components The part number helps a service technician to determine what components and parts are needed Warranty period 4 This number describes the duration in years of the warranty period for the computer Model description select models only 5 This is the ...

Страница 29: ...rmware BIOS back to factory shipped specifications when replacing the system board The label may have a different number of characters depending on the operating system on the computer NOTE Computer details may vary from images Windows 8 models Non Windows 8 models Service tag and PCID label 21 ...

Страница 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...

Страница 31: ... memory for use in Japan 696336 001 2 GB discrete graphics memory 683494 001 For use in Windows 8 models Windows 8 Standard and 1 GB discrete graphics memory 683493 501 Windows 8 Professional and 1 GB discrete graphics memory 683493 601 Windows 8 Standard and 1 GB discrete graphics memory for use in Japan 696336 501 Windows 8 Professional and 1 GB discrete graphics memory for use in Japan 696336 6...

Страница 32: ...320M 2 6 GHz processor with 3 MB L3 cache includes thermal grease 681952 001 3210M 2 5 GHz processor with 3 MB L3 cache includes thermal grease 680645 001 Intel Core i3 processors Dual Core 3120M 2 5 GHz processor with 3 MB L3 cache includes thermal grease 700627 001 3110M 2 3 GHz processor with 3 MB L3 cache includes thermal grease 682417 001 2450M 2 5 GHz processor with 3 MB L3 cache includes th...

Страница 33: ...ROM DVD RW SuperMulti DL Drive 684630 001 21 Hard drive 750 GB 7200 rpm 633252 001 750 GB 5400 rpm 634250 001 640 GB 5400 rpm 669300 001 500 GB 7200 rpm 634925 001 320 GB 7200 rpm 641672 001 22 Bottom door 684634 001 Computer major components 25 ...

Страница 34: ...in all models 683508 001 Display Hinge Kit 684612 001 3 Display hinges 4 Display hinge covers Screw covers not illustrated Plastics Kit Item Description Spare part number Plastics Kit 684614 001 1 Optical drive protective insert 2 Secure Digital card protective insert 26 Chapter 3 Illustrated parts catalog ...

Страница 35: ...Cable Kit Item Description Spare part number Cable Kit 684633 001 1 Battery connector cable 2 Power connector cable 3 Audio cable 4 USB connector cable Cable Kit 27 ...

Страница 36: ...pm 669300 001 500 GB 7200 rpm 634925 001 320 GB 7200 rpm 641672 001 Hard Drive Hardware Kit includes hard drive bracket and screws not illustrated 683488 001 2 Optical drives include bezel bracket and screws DVD RW Double Layer Drive 684629 001 Blu ray ROM DVD RW SuperMulti DL Drive 684630 001 28 Chapter 3 Illustrated parts catalog ...

Страница 37: ...or use in Japan 490371 291 For use in South Africa 490371 AR1 For use in South Korea 490371 AD1 For use in Switzerland 490371 111 For use in Taiwan 490371 AB1 For use in the United Kingdom 490371 031 For use in the United States 490371 001 Rubber Kit includes feet and display bezel screw covers 684627 001 Screw Kit 684628 001 Mouse optical 2 button 390632 001 Notebook combination lock 591699 001 H...

Страница 38: ...for use in the People s Republic of China 490371 AB1 A Power cord for use in Taiwan 490371 AD1 A Power cord for use in South Korea 490371 AR1 A Power cord for use in South Africa 490371 BB1 A Power cord for use in Israel 490371 D61 A Power cord for use in India 501505 001 A Basic messenger bag 591699 001 A Notebook combination lock 592923 001 A Professional slim top load case 609940 001 A 90 W AC ...

Страница 39: ...1 N Intel Core i7 processor 3612QM 2 1 GHz 6 MB L3 cache include thermal material 681952 001 N Intel Core i5 processor 3320M 2 6 GHz 3 MB L3 cache include thermal material 681953 001 N Intel Core i5 processor 3360M 2 8 GHz 3 MB L3 cache include thermal material 682417 001 N Intel Core i3 processor 3110M 2 3 GHz 3 MB L3 cache include thermal material 683475 001 N Audio board 683488 001 A Hard Drive...

Страница 40: ...ithout Windows 8 in Germany 684632 051 A Keyboard for use in models without Windows 8 in France 684632 061 A Keyboard for use in models without Windows 8 in Italy 684632 071 A Keyboard for use in models without Windows 8 in Spain 684632 131 A Keyboard for use in models without Windows 8 in Portugal 684632 141 A Keyboard for use in models without Windows 8 in Turkey 684632 151 A Keyboard for use in...

Страница 41: ...m B980 processor 2 4 GHz with 2 MB L3 cache 696336 001 N System board for use in models without Windows 8 with 1 GB discrete graphics for use in Japan includes thermal material 696336 501 N System board for use in Windows 8 Standard models with 1 GB discrete graphics for use in Japan includes thermal material 696336 601 N System board for use in Windows 8 Professional models with 1 GB discrete gra...

Страница 42: ...dels in Belgium 701982 AB1 A Keyboard for use in Windows 8 models in Taiwan 701982 AD1 A Keyboard for use in Windows 8 models in South Korea 701982 B31 A Keyboard for use in Windows 8 models in the Netherlands and Europe 701982 BA1 A Keyboard for use in Windows 8 models in Slovakia 701982 BB1 A Keyboard for use in Windows 8 models in Israel 701982 BG1 A Keyboard for use in Windows 8 models in Swit...

Страница 43: ... some of the considerations that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressu...

Страница 44: ...erting a hard drive shut down the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system Before handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector Before removing a diskette drive or optical drive be sure that a diskette or disc is not in...

Страница 45: ...ons Keep components in their electrostatic safe containers until you are ready to install them Use nonmagnetic tools Before touching an electronic component discharge static electricity by using the guidelines described in this section Avoid touching pins leads and circuitry Handle electronic components as little as possible If you remove a component place it in an electrostatic safe container The...

Страница 46: ...nd that proper materials are selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Workstation guidelines Follow these grounding workstation guidelines Cover the workstation with approved static shielding material Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment Use conductive field...

Страница 47: ... between the operator and ground To be effective the conductive strips must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tapes Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive tabletop workstations with ground cords of one megohm resistanc...

Страница 48: ...e computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer Remove the battery 1 Position the computer upside down on a flat surface 2 Slide the...

Страница 49: ... the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 Remove the bottom door 1 Position the computer upside down on a flat surface with the battery bay toward you 2 Remove the locking screw if installed 1 and slide the bottom door release latches 2 to release the door 3 Slide the door tow...

Страница 50: ...f the computer When not in use the security screw can be stored inside the battery bay Remove the battery To use the security screw 1 Remove the battery 2 Remove the security screw from inside the battery bay 1 and insert it 2 to lock the service door in place 42 Chapter 4 Removal and replacement procedures ...

Страница 51: ... down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the bottom door see Bottom door on page 41 Remove the optical drive 1 Position the computer upside down ...

Страница 52: ...4 Remove the optical drive 3 from the computer Reverse this procedure to install an optical drive 44 Chapter 4 Removal and replacement procedures ...

Страница 53: ...mputer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the bottom door see Bottom door on ...

Страница 54: ...ctor and then lift the hard drive out of the hard drive bay 4 If it is necessary to replace the hard drive bracket lift the Mylar tab on the Mylar cover to unlock it 5 Remove the four Phillips PM3 0 3 0 hard drive bracket screws 1 that secure the bracket to the hard drive 46 Chapter 4 Removal and replacement procedures ...

Страница 55: ...6 Lift the top of the Mylar cover 2 from the drive and then remove the cover from the hard drive 3 Reverse this procedure to reassemble and install the hard drive Component replacement procedures 47 ...

Страница 56: ...der Step 2 Select a Download click the BIOS link 7 Click the link for the most recent BIOS 8 Click the Download button and then follow the on screen instructions Before removing the memory module follow these steps 1 Shut down the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect all externa...

Страница 57: ... incorrect insertion into the memory module slot NOTE The computer uses two memory sockets The top socket houses the expansion memory module and the bottom socket houses the primary memory module The removal procedure is the same for both memory sockets Reverse this procedure to install a memory module Component replacement procedures 49 ...

Страница 58: ...ernation turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the bottom door see Bottom door on page 41 Remove the WLAN...

Страница 59: ...ith a notch to prevent incorrect insertion NOTE If the WLAN antennas are not connected to the terminals on the WLAN module the protective sleeves must be installed on the antenna connectors as shown in the following illustration Reverse this procedure to install the WLAN module Component replacement procedures 51 ...

Страница 60: ...t all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the bottom door see Bottom door on page 41 Remove the keyboard 1 Position the computer upside down with the front toward you 2 Remove the three Philli...

Страница 61: ...over onto the palm rest Under the keyboard the cable is connected to the system board 7 Rotate the keyboard until it rests on the palm rest 1 and then disconnect the keyboard cable by lifting the keyboard connector latch 2 and then disconnecting the keyboard cable from the system board 3 8 Remove the keyboard Reverse this procedure to install the keyboard Component replacement procedures 53 ...

Страница 62: ...on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Memory modules se...

Страница 63: ...2 Remove the following covers and screws that secure the top cover to the computer 1 4 rubber screw covers 2 13 Torx T8M2 5 8 0 screws Component replacement procedures 55 ...

Страница 64: ...d PM2 0 3 0 screws from the battery bay 2 5 Phillips PM2 0 3 0 screws from the battery bay and optical drive bay 4 Position the computer upright and open it as far as possible 5 Remove the four Torx T8M2 5 8 0 screws that secure the top cover to the computer 56 Chapter 4 Removal and replacement procedures ...

Страница 65: ... 1 and the fingerprint reader board cable 2 from the system board 7 Lift the front of the top cover slightly to gain access to the cable and connector underneath 1 8 Disconnect the audio board cable 2 from the system board Component replacement procedures 57 ...

Страница 66: ...9 Lift the top of the top cover 1 and then remove the top cover from the computer 2 Reverse this procedure to install the top cover 58 Chapter 4 Removal and replacement procedures ...

Страница 67: ... computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top cover see Top cover on page 54 Remove the fingerprint reader board 1 Position the top cover upside down with the front towa...

Страница 68: ...4 Remove the fingerprint reader board and cable assembly from the top cover 4 Reverse this procedure to install the fingerprint reader board 60 Chapter 4 Removal and replacement procedures ...

Страница 69: ...first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top cover see Top cover on page 54 Remove the function board power button board assembly 1 Position the top cover upside down with the front...

Страница 70: ...n through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top c...

Страница 71: ...lips PM2 0 4 0 screws 3 that secure the USB connector to the computer 5 Remove the USB connector assembly from the computer 4 Reverse this procedure to install the USB connector assembly Component replacement procedures 63 ...

Страница 72: ...y first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top cover see Top cover on page 54 Remove the fan 1 Position the computer upside down 2 Disconnect the fan cable from the system board 3 P...

Страница 73: ...software requirements Exhaust air is displaced through the ventilation grill located on the left side of the computer Speaker assembly Description Spare part number Speaker assembly 684615 001 NOTE You must remove the speakers to access the screws that secure the display Before removing the speaker assembly follow these steps 1 Shut down the computer If you are unsure whether the computer is off o...

Страница 74: ...e speaker assembly 1 Position the computer upright with the front toward you 2 Open the computer as far as possible 3 Disconnect the speaker cable from the system board 1 4 Remove the four Phillips PM2 0 4 0 screws 2 that secure the speakers to the computer 5 Remove the speakers from the computer 3 Reverse this procedure to install the speaker assembly 66 Chapter 4 Removal and replacement procedur...

Страница 75: ...unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top cover see Top cover on page 54 Remove the audio board 1 Position the computer upright with the front toward you 2 Disconnect the smaller touchpad button cable 1 3 Remove the Phillips PM2 0 3 0 scr...

Страница 76: ... computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Keyboard see Keyboard on page 52 c Top cover see Top cover on page 54 d Speaker see Speaker assembly on page 65 e Fan see Fan on page 64 Remove the power cable 1 ...

Страница 77: ...ugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Keyboard see Keyboard on page 52 f Top cover see Top cover on page 54 g Fan see Fan on pag...

Страница 78: ...ws 8 Professional models with 1 GB of discrete graphics memory 683493 601 Windows 8 Standard models with 2 GB of discrete graphics memory 683494 501 Windows 8 Professional models with 2 GB of discrete graphics memory 683494 601 Windows 8 Standard models with 1 GB of discrete graphics memory for use in Japan 696336 501 Windows 8 Professional models with 1 GB of discrete graphics memory for use in J...

Страница 79: ...board see Optical drive extension board on page 75 h Hard drive extension board see Hard drive extension board on page 77 When replacing the system board be sure to remove the following components from the defective system board and install on the replacement system board Memory module see Memory modules on page 48 WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 Processor see Proces...

Страница 80: ... from the system board 1 4 Remove the four Phillips PM2 5 4 0 screws 2 that secure the system board to the computer 5 Lift the right side of the system board up at an angle 3 6 Pull the system board up and toward the right to remove it from the computer 4 Reverse this procedure to install the system board 72 Chapter 4 Removal and replacement procedures ...

Страница 81: ...then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Keyboard see Keyboard on page 52 f Top cover see Top cover on page 54 g Fan see F...

Страница 82: ...3 Lift the battery from the system board 2 Reverse this procedure to install the RTC battery 74 Chapter 4 Removal and replacement procedures ...

Страница 83: ...er from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Ke...

Страница 84: ...Pull the optical drive extension board straight away from the side of the system board Reverse this procedure to install the optical drive extension board 76 Chapter 4 Removal and replacement procedures ...

Страница 85: ...from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Keybo...

Страница 86: ... Pull the hard drive extension board straight away from the side of the system board Reverse this procedure to install the hard drive extension board 78 Chapter 4 Removal and replacement procedures ...

Страница 87: ... unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Keyboard see Keyboard on page 52 f Top cover see Top cover on page 54 g Fan see Fan o...

Страница 88: ...rd components 1 3 and the heat sink 2 4 each time you remove the heat sink All heat sink and processor spare part kits include thermal material Reverse this procedure to install the heat sink Processor NOTE All processor spare part kits include replacement thermal material 80 Chapter 4 Removal and replacement procedures ...

Страница 89: ...cache includes thermal grease 653340 001 Intel Pentium processor Dual Core 2020M 2 4 GHz with 2 MB L3 cache 700628 001 B980 2 4 GHz with 2 MB L3 cache 692428 001 B970 2 3 GHz with 2 MB L3 cache 676785 001 Intel Celeron processor B840 1 9 GHz with 2 MB L3 cache 664663 001 Before removing the processor follow these steps 1 Shut down the computer If you are unsure whether the computer is off or in Hi...

Страница 90: ... Use a flat bladed screwdriver to turn the processor locking screw 1 one half turn counterclockwise until you hear a click 3 Lift the processor 2 straight up and remove it NOTE The gold triangle 3 on the processor must be aligned with the triangle embossed on the processor slot when you install the processor Reverse this procedure to install the processor 82 Chapter 4 Removal and replacement proce...

Страница 91: ... then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b Hard drive see Hard drive on page 45 c Optical drive see Optical drive on page 43 d WLAN Bluetooth module see WLAN Bluetooth combo card on page 50 e Keyboard see Keyboard on page 52 f Top cover see Top cover on page 54 g Fan see ...

Страница 92: ...3 Slide the latch mechanism toward the left 3 and then lift it from the computer 4 Reverse this procedure to install the latch assembly 84 Chapter 4 Removal and replacement procedures ...

Страница 93: ... down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 40 5 Remove the following components a Bottom door see Bottom door on page 41 b WLAN Bluetooth module see WLAN Bluet...

Страница 94: ...ght and open as far as possible 4 Pull the antennas through the hole that routes to the bottom of the computer 5 Remove the WLAN antennas from the tabs 1 and the routing path 2 on the top of the computer 6 Remove the four Torx T8M2 5 7 0 screws 1 from the display hinges 86 Chapter 4 Removal and replacement procedures ...

Страница 95: ...2 CAUTION When installing the display assembly be sure that the wireless antenna cables are routed and arranged properly Failure to properly route the antennas can result in degradation of the computer s WLAN performance Component replacement procedures 87 ...

Страница 96: ...ay to remove them Display hinge covers are available in the Display Hinge Kit using spare part number 684612 001 9 To replace the display bezel remove the two rubber screw covers 1 and the two Phillips PM2 5 5 0 screws 2 in the bottom corners of the display bezel 88 Chapter 4 Removal and replacement procedures ...

Страница 97: ...es of the left and right sides 2 and then the bottom 3 of the bezel until it disengages from the display enclosure 11 Remove the display bezel 4 The display bezel is available using spare part number 684609 001 Component replacement procedures 89 ...

Страница 98: ...e display enclosure 2 The webcam module is available using spare part number 683508 001 13 If it is necessary to replace the display hinges remove the six Phillips PM2 5 3 0 screws that secure the display hinges and panel to the display enclosure 14 Remove the display hinges and panel from the display enclosure 90 Chapter 4 Removal and replacement procedures ...

Страница 99: ...ting the tape 2 that covers the connector and disconnecting the cable from the panel 3 16 Position the display panel and hinge assembly upright 17 Remove the three Phillips PM1 5 2 0 screws 1 that secure each display hinge to the display panel Component replacement procedures 91 ...

Страница 100: ...lay hinges 2 Display hinges are available in the Display Hinge Kit using spare part number 684612 001 Reverse this procedure to reassemble and install the display assembly 92 Chapter 4 Removal and replacement procedures ...

Страница 101: ...art Computer Setup follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup Navigating and selecting in Computer Setup To navigate and select in Computer Setup follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC...

Страница 102: ... effect when the computer restarts Restoring factory settings in Computer Setup NOTE Restoring defaults will not change the hard drive mode To return all settings in Computer Setup to the values that were set at the factory follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f1...

Страница 103: ...d BIOS New folder in either the HP_Tools partition of the hard drive or the USB flash drive 5 Locate the sig file in the ROM cab file and rename it with the same prefix as the bin file for example 68CDD sig Copy the renamed file to the Hewlett Packard BIOS New folder in either the HP_Tools partition of the hard drive or the USB flash drive 6 Restart the computer and then press esc while the Press ...

Страница 104: ... available BIOS updates contain later BIOS versions than those currently installed on the computer you need to know the version of the system BIOS currently installed BIOS version information also known as ROM date and System BIOS can be displayed by pressing fn esc if you are already in Windows or by using Computer Setup 1 Start Computer Setup 2 Use a pointing device or the arrow keys to select F...

Страница 105: ... to your hard drive b Follow the on screen instructions to download your selection to the hard drive Make a note of the path to the location on your hard drive where the BIOS update is downloaded You will need to access this path when you are ready to install the update NOTE If you connect your computer to a network consult the network administrator before installing any software updates especiall...

Страница 106: ...in test This test repeats the start up test and checks for intermittent problems that the start up test does not detect System Tune Up This group of additional tests checks your computer to make sure that the main components are functioning correctly System Tune Up runs longer and more comprehensive tests on memory modules hard drive SMART attributes the hard drive surface the battery and battery ...

Страница 107: ...ress the ESC key for Startup Menu message is displayed in the lower left corner of the screen press esc When the Startup Menu is displayed press f2 2 Click the diagnostic test you want to run and then follow the on screen instructions NOTE If you need to stop a diagnostics test while it is running press esc Windows 7 Computer Setup BIOS and Advanced System Diagnostics 99 ...

Страница 108: ... for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup Navigating and selecting in Computer Setup To navigate and select in Computer Setup follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen To select a menu or a menu item use the tab key...

Страница 109: ...ing defaults will not change the hard drive mode To return all settings in Computer Setup to the values that were set at the factory follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select File Restore ...

Страница 110: ...ate only when the computer is connected to reliable external power using the AC adapter Do not download or install a BIOS update while the computer is running on battery power docked in an optional docking device or connected to an optional power source During the download and installation follow these instructions Do not disconnect power on the computer by unplugging the power cord from the AC ou...

Страница 111: ...ctioning correctly System Tune Up runs longer and more comprehensive tests on memory modules hard drive SMART attributes the hard drive surface the battery and battery calibration video memory and the WLAN module status Start up test This test analyzes the main computer components that are required to start the computer Run in test This test repeats the start up test and checks for intermittent pr...

Страница 112: ... Computer Setup only if USB legacy support is enabled To start Computer Setup follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup Using Computer Setup Navigating and selecting in Computer Setup To navigate and select in Computer Setup follow these st...

Страница 113: ...ps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select File Restore Defaults 4 Follow the on screen instructions 5 To save your changes and exit click the Save icon in the lower left corner of the screen and then foll...

Страница 114: ...not download or install a BIOS update while the computer is running on battery power docked in an optional docking device or connected to an optional power source During the download and installation follow these instructions Do not disconnect power from the computer by unplugging the power cord from the AC outlet Do not shut down the computer or initiate Suspend or Hibernation Do not insert remov...

Страница 115: ...ondition of the battery and calibrates the battery if necessary If the battery fails the test contact HP Customer Support to report the issue and purchase a replacement battery System Tune Up This group of additional tests checks your computer to make sure that the main components are functioning correctly System Tune Up runs longer and more comprehensive tests on memory modules hard drive SMART a...

Страница 116: ...Temperature Operating not writing to optical disc 0 C to 35 C 32 F to 95 F Operating writing to optical disc 5 C to 35 C 41 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressurized Operating 14 7 to 10 1 psia 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 14 7 to 4 4 psia 15 m to 12 192 m 50 ft to 40 000 ft Shock Ope...

Страница 117: ...e 43 9 cm 17 3 in Resolution 1600x900 HD Active area 382 08x214 92 PPI 106 Surface treatment Anti glare or BrightView Contrast ratio 300 1 typical Anti glare 500 1 BrightView Response time 16 ms Brightness 200 nits typical Viewing angle SVA Backlight LED Luminance uniformity 13 points 1 4 typ 1 6 max Lifetime 1 2 luminance 12 000 hours Color coordinate white 0 313 0 329 Color tolerance White 0 02 ...

Страница 118: ...including setting Single track 1 5 ms 2 ms 3 ms 3 ms Average 11 ms 12 ms 13 ms 13 ms Maximum 14 ms 22 ms 24 ms 24 ms Logical blocks 1 465 149 168 1 250 263 728 1 048 576 000 625 141 400 Disc rotational speed 7200 rpm or 5400 rpm Operating temperature 5 C to 55 C 41 F to 131 F 1 GB 1 billion bytes when referring to hard drive storage capacity Actual accessible capacity is less Actual drive specific...

Страница 119: ...tandard disc 12 cm 4 72 in Mini disc 8 cm 3 15 in Disc thickness 1 2 mm 0 047 in Track pitch 0 74 µm Access time CD DVD Random 175 ms 230 ms Full stroke 285 ms 335 ms Audio output level Line out 0 7 Vrms Cache buffer 2 MB Data transfer rate 24X CD ROM 3 600 KB sec 8X DVD ROM 10 800 KB sec 24X CD R 3 600 KB sec 16X CD RW 2 400 KB sec 8X DVD R 10 800 KB sec 4X DVD RW 5 400 KB sec 8X DVD R 10 800 KB ...

Страница 120: ...D DVD R for Dual Layer HD DVD RW CD R and CD RW DVD R DVD R 9 DVD RW DVD R DVD R 9 DVD RW DVD RAM Access time CD DVD HD Random 170 ms 170 ms 230 ms Cache buffer 8 MB Data transfer rate 24X CD ROM 3 600 KB sec 8X DVD 10 800 KB sec 24X CD R 3 600 KB sec 16X CD RW 2 400 KB sec 8X DVD R 10 800 KB sec 4X DVD RW 5 400 KB sec 8X DVD R 10 800 KB sec 4X DVD RW 5 400 KB sec 2 4X DVD R 9 2 700 KB sec 5X DVD ...

Страница 121: ...e Manager drill down to a device and double click it to access its properties To access Device Manager in Windows 8 1 From the Start screen type control and then select Control Panel 2 Select System and Security and then in the System area click Device Manager A list display all the devices installed in your computer To access Device Manager in Windows 7 1 Select Start Computer System properties 2...

Страница 122: ...odels only or an optional external optical drive Backing up your information Creating a system image select models only Scheduling automatic backups select models only Creating system restore points Recovering individual files Restoring the computer to a previous state Recovering information using recovery tools NOTE For detailed instructions perform a search for these topics in Help and Support I...

Страница 123: ... only using the installed optical drive select models only or an optional external optical drive and back up your system As you add new software and data files you should continue to back up your system on a regular basis to maintain a reasonably current backup The system repair discs select models only are used to start up boot the computer and repair the operating system in case of system instab...

Страница 124: ...reboot the computer and repair the operating system For additional information see the Using a Windows 7 operating system DVD purchased separately section Using the Windows recovery tools To recover information you previously backed up 1 Select Start All Programs Maintenance Backup and Restore 2 Follow the on screen instructions to recover your system settings your computer select models only or y...

Страница 125: ...er click Manage and then click Disk Management NOTE If the HP Recovery partition has been deleted the f11 restore option will not function You must recover your operating system and programs using the Windows 7 operating system DVD and the Driver Recovery disc both purchased separately if the Windows partition and the HP Recovery partition are not listed For additional information see the Using a ...

Страница 126: ...d When reformatting is complete the recovery process helps you restore the operating system as well as drivers software and utilities To initiate recovery using a Windows 7 operating system DVD NOTE This process takes several minutes 1 If possible back up all personal files 2 Restart the computer and then insert the Windows 7 operating system DVD into the optical drive before the Windows operating...

Страница 127: ...ur initial backup immediately after initial system setup As you add new software and data files you should continue to back up your system on a regular basis to maintain a reasonably current backup The system repair media select models only are used to start up boot the computer and repair the operating system in case of system instability or failure Your initial and subsequent backups allow you t...

Страница 128: ...ed and any software installed on the computer are permanently removed When reformatting is complete the recovery process restores the operating system as well as the drivers software and utilities from the backup used for recovery 1 If possible back up all personal files 2 If possible check for the presence of the HP Recovery partition and the Windows partition From the Start screen type e and the...

Страница 129: ...ayed on the screen 5 Follow the on screen instructions Using Windows 8 operating system media purchased separately To order a Windows 8 operating system DVD go to http www hp com support select your country or region and follow the on screen instructions You can also order the DVD by calling support For contact information see the Worldwide Telephone Numbers booklet included with the computer CAUT...

Страница 130: ...ner of the screen and then select General from the PC settings screen 4 Under Refresh your PC without affecting your files select Get started and follow the on screen instructions Remove everything and reinstall Windows Sometimes you want to perform detailed reformatting of your computer or you want to remove personal information before you give away or recycle your computer The process described ...

Страница 131: ...rted and follow the on screen instructions Using HP Software Setup HP Software Setup can be used to reinstall drivers or select software that has been corrupted or deleted from the system 1 From the Start screen type HP Software Setup and select Apps 2 Open HP Software Setup 3 Follow the on screen directions to reinstall drivers or select software Windows 8 Backup and recovery 123 ...

Страница 132: ...Before you add or modify hardware or software To back up your home directory files using Backup Manager Settings 1 Select Computer More Applications Tools Backup Manager Settings and click Backup my home directory 2 Click Storage Destination Location and then select a location to back up your information 3 Click Schedule and then select a time schedule to perform backups at a regularly scheduled t...

Страница 133: ...ions 2 In the left pane click Tools and then click Create HP Factory Image Restore DVD in the right pane 3 Follow the on screen instructions to create an image file to burn a recovery disc To restore the computer from the recovery disc follow these steps 1 If possible back up all personal files 2 Insert the HP Factory Image Restore DVD into the optical drive and restart the computer 3 As the compu...

Страница 134: ...ting the Recovery process make sure any data on the system to be recovered has been backed up The recovery process destroys all data on the system to be recovered 1 Turn off the computer 2 Connect the USB Disk On Key to a USB port on the computer 3 Turn on the computer while holding down the f9 key 4 Once the system has booted the Boot Options menu should appear 5 Using the arrow keys select USB D...

Страница 135: ...s of your information Before using this option back up any personal information you wish to retain You can initiate this option by using the f11 key To use the f11 key Press f11 while the computer boots or Press and hold f11 as you press the power button The following options are available Cancel Reboot Reboots the system No recovery or restore activity is performed Recover Repair System This opti...

Страница 136: ...wing requirements are applicable to all countries and regions The length of the power cord set must be at least 1 5 m 5 0 ft and no more than 2 0 m 6 5 ft All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used The power cord sets must have a minimum current capacity of 10 A and a nominal volt...

Страница 137: ...ark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 India ISI 1 Israel SII 1 Italy IMQ 1 Japan JIS 3 The Netherlands KEMA 1 New Zealand SANZ 1 Norway NEMKO 1 The People s Republic of China CCC 4 Saudi Arabia SASO 7 Singapore PSB 1 South Africa SABS 1 South Korea KTL 5 Sweden SEMKO 1 Switzerland SEV 1 Taiwan BSMI 6 Thailand TISI 1 The United Kingdom ASTA 1 Requirements for specific countries and...

Страница 138: ... 0 75mm2 or 1 25mm2 conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7 A 125 V ac configuration 4 The flexible cord must be Type RVV 3 conductor 0 75mm2 conductor size Power cord set fittings appliance coupler and wall plug must bear the CCC certification mark 5 The flexible cord must be Type H05VV F 3X0 75mm2 conductor size KTL logo and indi...

Страница 139: ...nts intended for recycling purposes are the LCD panel and the backlight When you remove these components handle them carefully NOTE Materials Disposal This HP product contains mercury in the backlight in the display assembly that might require special handling at end of life Disposal of mercury may be regulated because of environmental considerations For disposal or recycling information contact y...

Страница 140: ...s 1 and screws 2 that secure the display bezel to the display assembly 2 Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly 3 Remove the display bezel 3 132 Chapter 9 Recycling ...

Страница 141: ...embly to the display enclosure 6 Remove the display panel assembly 2 from the display enclosure 7 Position the display panel assembly upside down 8 Remove all screws that secure the display panel frame to the display panel 9 Use a sharp edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame Display 133 ...

Страница 142: ...lay 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 outward 13 Remove the backlight cover 14 Position the display panel right side up 134 Chapter 9 Recycling ...

Страница 143: ...16 Position the display panel upside down WARNING The backlight contains mercury Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury 17 Remove the backlight frame from the display panel Display 135 ...

Страница 144: ...CD panel 20 Remove the screws 2 that secure the LCD panel to the display rear panel 21 Release the LCD panel 3 from the display rear panel 22 Release the tape 4 that secures the LCD panel to the display rear panel 23 Remove the LCD panel 24 Recycle the LCD panel and backlight 136 Chapter 9 Recycling ...

Страница 145: ... 50 bottom door removal 41 spare part number 25 41 buttons left TouchPad 10 optical drive eject 18 power 13 right TouchPad 10 TouchPad on off 10 Web browser 13 wireless 13 C Cable Kit contents 27 spare part number 27 cables service considerations 36 caps lock light identifying 11 chipset product description 1 components bottom 19 display 7 9 front 16 left side 17 right side 18 top 10 computer rese...

Страница 146: ...numeric keypad identifying 14 15 integrated webcam light identifying 7 9 internal display switch 8 9 internal microphones identifying 7 9 J jacks audio in microphone 16 audio out headphone 16 network 17 RJ 45 network 17 K keyboard product description 3 removal 52 spare part numbers 23 32 33 52 keypad integrated numeric 14 keypad integrated numeric 15 keys esc 14 fn 14 15 function 14 15 num lk 14 1...

Страница 147: ... replacement preliminaries 35 procedures 40 remove everything and reinstall Windows 122 127 reset computer 122 127 steps 122 127 restoring the hard drive 121 RJ 45 network jack identifying 17 RTC battery removal 73 spare part number 23 31 73 S Screw Kit spare part number 29 Secure Digital card insert illustrated illustrated 26 security cable slot 17 security screw removal 42 security product descr...

Страница 148: ... Windows Refresh 122 reinstall 122 127 remove everything and reinstall option 122 127 reset 122 127 Windows 7 backup and recovery 114 Computer Setup 93 Windows 8 backup and recovery 119 Computer Setup 100 Windows 8 operating system DVD 121 Windows applications key identifying 14 Windows logo key identifying 14 wireless antennas disconnecting 50 wireless button identifying 13 wireless light 11 wire...

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