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Dell G3 3590 Скачать руководство пользователя страница 12

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Removing and installing components

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Содержание G3 3590

Страница 1: ...Dell G3 3590 Service Manual Regulatory Model P89F Regulatory Type P89F001 ...

Страница 2: ...amage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death Identifier GUID 089FFA4B 3A62 4B51 BDE1 309C58A451D9 Status Released 2019 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of thei...

Страница 3: ...ions 14 Removing the battery 14 Installing the battery 15 Memory modules 16 Removing the memory module 16 Installing the memory module 17 Coin cell battery 18 Removing the coin cell battery 18 Installing the coin cell battery 19 Solid state drive Intel Optane memory module 20 Removing the solid state drive Intel Optane memory module 20 Installing the solid state drive Intel Optane memory module 22...

Страница 4: ...rest and keyboard assembly 52 Installing the palm rest and keyboard assembly 53 3 Device drivers 55 Intel Chipset Software Installation Utility 55 Video drivers 55 Intel Serial IO driver 55 Intel Trusted Execution Engine Interface 55 Intel Virtual Button driver 56 Wireless and Bluetooth drivers 56 4 System setup 57 System setup 57 Entering BIOS setup program 57 Navigation keys 57 Boot Sequence 58 ...

Страница 5: ...r cycle 72 Using Game Shift 72 Enabling Game Shift 72 Disabling Game Shift 72 Installing Game Shift after reinstalling the operating system 73 Keyboard shortcuts 73 6 Getting help and contacting Dell 76 Self help resources 76 Contacting Dell 76 Contents 5 ...

Страница 6: ...mpliance CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some ...

Страница 7: ...dation of memory integrity intermittent memory errors etc The more difficult type of damage to recognize and troubleshoot is the intermittent also called latent or walking wounded failure Perform the following steps to prevent ESD damage Use a wired ESD wrist strap that is properly grounded The use of wireless anti static straps is no longer allowed they do not provide adequate protection Touching...

Страница 8: ...nts ESD Packaging All ESD sensitive devices must be shipped and received in static safe packaging Metal static shielded bags are preferred However you should always return the damaged part using the same ESD bag and packaging that the new part arrived in The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the original box that the new part arri...

Страница 9: ...ter Steps 1 Replace all screws and ensure that no stray screws remain inside your computer 2 Connect any external devices peripherals or cables you removed before working on your computer 3 Replace any media cards discs or any other parts that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer Safety inst...

Страница 10: ...tity of screws and then place them in a screw storage box This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced NOTE Some computers have magnetic surfaces Ensure that the screws are not left attached to such surface when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Secured...

Страница 11: ...System board M2x3 2 Hinge brackets Palm rest and keyboard assembly M2 5x5 4 Hinge brackets Display panel M2 5x2 5 Big Head 12 Hinge brackets Display panel M2x2 5 2 I O board Palm rest and keyboard assembly M2x3 2 System board KB Support M2L2 Big Head 2 Identifier GUID 011AA877 0F90 479B BF50 6CDFB72AD6D8 Status Released Base cover Identifier GUID C6699B8D 6354 42F8 BF7D B3B9A754F225 Status Release...

Страница 12: ...12 Removing and installing components ...

Страница 13: ...e base cover Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the base cover and provides a visual representation of the installation procedure Steps 1 Place the base cover on the palm rest and keyboard assembly and snap the base cover into place 2 Replace the six s...

Страница 14: ...to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prevent accidental puncture or damage to the battery and other system components If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be dangerous In such an instance the entire system should be...

Страница 15: ... assembly Identifier GUID 63292BF2 6AA9 4B2C 9239 649FCF55BFDF Status Released Installing the battery Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure Removing and installing components 1...

Страница 16: ...dure in After working inside your computer Identifier GUID 2A6DAE1B 1FBE 40F9 8D46 40E8C3FBD267 Status Released Memory modules Identifier GUID D1F7FD84 7CAA 4775 A9B9 B9859B7196DE Status Released Removing the memory module Prerequisite 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the memory modul...

Страница 17: ... memory module slot Identifier GUID B40EB3A3 365A 4DD9 82C8 68B68AB90B07 Status Released Installing the memory module Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the memory module and provides a visual representation of the installation procedure Removing and i...

Страница 18: ...ver 2 Follow the procedure in After working inside your computer Identifier GUID D99D5F9B 0FF3 406B A51F FFA061BB89EA Status Released Coin cell battery Identifier GUID 9767CB19 E8EA 42DD 94FE 0EC35344A5E9 Status Released Removing the coin cell battery Prerequisite 1 Follow the procedure in Before working inside your computer CAUTION Removing the coin cell battery resets the BIOS setup program s se...

Страница 19: ...it 2 Gently lift the coin cell battery out from the system board Identifier GUID 1A7CA395 295B 4956 9D1E CEC6622607D3 Status Released Installing the coin cell battery Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the coin cell battery and provides a visual repres...

Страница 20: ... Status Released Removing the solid state drive Intel Optane memory module Prerequisites If you are removing the Intel Optane memory module optional from your computer disable the Intel Optane memory so that all cached system data are moved from the Intel Optane memory module to the SATA drive For more information about disabling the Intel Optane memory see Disabling Intel Optane memory 1 Follow t...

Страница 21: ...Removing and installing components 21 ...

Страница 22: ...e memory module Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the solid state drive Intel Optane memory module and provides a visual representation of the installation procedure If you are installing a solid state drive Intel Optane memory module that is a differ...

Страница 23: ...o the solid state drive Intel Optane memory module slot on the system board 3 Install the screw M2x3 that secures the solid state drive Intel Optane memory module to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID 2CFF108D 02DC 40AF BD5A C4C22584A457 Status Released Hard drive Removing and instal...

Страница 24: ...rerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of the hard drive and provides a visual representation of the removal procedure 24 Removing and installing components ...

Страница 25: ...Removing and installing components 25 ...

Страница 26: ...ly 5 Remove the four screws M3x3 that secure the hard drive bracket to the hard drive 6 Remove the hard drive from the hard drive bracket Identifier GUID 2949E4A7 8CDC 438B A9DF 00A520DB167B Status Released Installing the hard drive Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates ...

Страница 27: ...Removing and installing components 27 ...

Страница 28: ...e in After working inside your computer Identifier GUID 4DA6FA84 FF63 4D31 A148 125AAD9F4B2B Status Released Heat sink Identifier GUID B2C40BC8 544B 4F8E 9257 1958A7438D14 Status Released Removing the heat sink Prerequisites 1 Follow the procedure in Before working inside your computer WARNING The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool befo...

Страница 29: ...D1E AE28 46D4 A78E FD694CD80609 Status Released Installing the heat sink Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the heat sink and provides a visual representation of the installation procedure CAUTION Incorrect alignment of the heat sink can damage the sys...

Страница 30: ...rew holes on the system board 2 In sequential order as indicated on the heat sink tighten the eight captive screws that secure the heat sink to the system board 3 Adhere the tape to the heat sink to secure it to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID E3C0201A 5B16 4C16 BB92 B961F39AE9F4 ...

Страница 31: ...ation of the removal procedure Steps 1 Note the routing of the WLAN cable and remove the WLAN cable from the left fan 2 Peel the tape that secures the left fan to the system board 3 Remove the two M2x3 screws that secure the left fan to the system board 4 Lift the left fan off the palm rest and keyboard assembly Identifier GUID 14FAC2E2 EFA1 4896 A1E6 BAD13D52B666 Status Released Removing the righ...

Страница 32: ... the two M2x3 screws that secure the right fan to the system board 4 Lift the right fan off the palm rest and keyboard assembly Identifier GUID 15C9424A CC0D 4018 86B2 5AB0174B24B7 Status Released Installing the left fan Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location...

Страница 33: ...eyboard assembly Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID 08F267F3 A85D 49A6 ABEE D7F23B995C68 Status Released Installing the right fan Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the ...

Страница 34: ...base cover 3 Follow the procedure in After working inside your computer Identifier GUID A6445DA5 405C 4BDA A929 FE53DC4A83F6 Status Released Speakers Identifier GUID 6EC19481 56D5 44BB B938 42C32B80A46A Status Released Removing the speakers Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image in...

Страница 35: ...ft the speakers along with the cable off the palm rest and keyboard assembly Identifier GUID 72DFF5D1 504F 4A9A BDDE 73F58B1D0949 Status Released Installing the speakers Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the speakers and provides a visual representati...

Страница 36: ...palm rest and keyboard assembly 3 Connect the speaker cable to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID F6A4309E A10E 4E7F 903C 3FFAE07278CD Status Released WLAN card Identifier GUID D2FFFCCA CA48 41C2 BE4D 4318BE3C1DAC Status Released Removing the WLAN card Prerequisites 1 Follow the proc...

Страница 37: ...ect the antenna cables from the WLAN card 4 Slide and remove the WLAN card from the WLAN card slot Identifier GUID CC33136C 1B6C 439B 8202 1AAB1DF041DE Status Released Installing the WLAN card Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the WLAN card and provid...

Страница 38: ...ck 2 Align the notch on the WLAN card with the tab on the WLAN card slot and insert the WLAN card at an angle into the WLAN card slot 3 Align and place the WLAN card bracket on the WLAN card 4 Replace the screw M2x3 to secure the WLAN card to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID FCFD00...

Страница 39: ...ower adapter port bracket that secure the power adapter port to the system board 2 Remove the power adapter port bracket from the system board 3 Peel the power adapter port cable from the heat sink 4 Disconnect the power adapter port cable from the system board 5 Lift the power adapter port along with its cable off the palm rest and keyboard assembly Identifier GUID F8B0AB18 2F1D 433F 9ACD 3B5A34E...

Страница 40: ...r adapter port bracket over the power adapter port 4 Replace the two screws M2x3 to secure the power adapter port bracket to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID A4EB1B18 E790 4DC7 A6B0 85015144D8CE Status Released I O board Identifier GUID 59DA147E C1D2 4060 8A28 765A287FF639 Status R...

Страница 41: ... the I O board 2 Remove the two screws M2x3 that secure the I O board to the palm rest and keyboard assembly 3 Lift the I O board off the palm rest and keyboard assembly Identifier GUID A9CE11EA 716D 4685 BA5C E0F6BD7B85A1 Status Released Installing the I O board Prerequisite If you are replacing a component remove the existing component before performing the installation procedure Removing and in...

Страница 42: ... keyboard assembly 2 Install the two screws M2x3 that secure the I O board to the palm rest and keyboard assembly 3 Connect the I O board cable to the I O board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Identifier GUID E641BD48 9062 46FE 8F5A 723887A0921D Status Released Display assembly 42 Removing and installing componen...

Страница 43: ... 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card About this task The following image indicates the location of the display assembly and provides a visual representation of the removal procedure Removing and installing components 43 ...

Страница 44: ...ift the display assembly upwards to separate it from the palm rest and keyboard assembly Identifier GUID B54075E8 1018 43E0 8F29 B8E2B972A5B6 Status Released Installing the display assembly Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the display assembly and pr...

Страница 45: ...board assembly 3 Install the four screws M2 5x5 to secure the display hinges to the system board 4 Connect the display cable on to the connector on the system board 5 Close the display Next step 1 Install the WLAN card 2 Install the battery 3 Install the base cover 4 Follow the procedure in After working inside your computer Removing and installing components 45 ...

Страница 46: ...ate drive Intel Optane memory module 5 Remove the WLAN card 6 Remove the left fan 7 Remove the right fan 8 Remove the heat sink 9 Remove the display assembly 10 Remove the power adapter port About this task The following image indicates the location of the system board and provides a visual representation of the removal procedure NOTE The I O board connector is located underneath the system board ...

Страница 47: ...Removing and installing components 47 ...

Страница 48: ... assembly 7 Turn the system board over and disconnect the I O board cable from the system board Identifier GUID BA27C213 B7F1 41F6 B836 E6C76C377150 Status Released Installing the system board Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the system board and pro...

Страница 49: ...he power button cable to the system board 7 Open the latch and connect the hard drive cable to the system board 8 Replace the two M2x2 screws that secure the system board to the palm rest and keyboard assembly Next step 1 Install the power adapter port 2 Install the display assembly 3 Install the heat sink 4 Install the left fan 5 Install the right fan 6 Install the WLAN card 7 Install the solid s...

Страница 50: ...attery 4 Remove the solid state drive Intel Optane memory module 5 Remove the WLAN card 6 Remove the left fan 7 Remove the right fan 8 Remove the heat sink 9 Remove the display assembly 10 Remove the power adapter port 11 Remove the system board NOTE The system board can be removed with the heat sink attached About this task The following image indicates the location of the touchpad and provides a...

Страница 51: ...nent before performing the installation procedure About this task The following image indicates the location of the touchpad and provides a visual representation of the installation procedure Steps 1 Align and place the touchpad into the slot on the palm rest and keyboard assembly 2 Replace the four M2x2 screws and adhere the tapes that secure the touchpad to the palm rest and keyboard assembly 3 ...

Страница 52: ...Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the memory modules 5 Remove the WLAN card 6 Remove the left fan 7 Remove the right fan 8 Remove the solid state drive Intel Optane memory module 9 Remove the hard drive 10 Remove the I O board 11 Remove the touchpad 12 Remove the speakers 13 Remove the display assembly ...

Страница 53: ...g a component remove the existing component before performing the installation procedure About this task Place the palm rest and keyboard assembly on a flat surface Next step 1 Install the system board 2 Install the power adapter port 3 Install the display assembly 4 Install the heat sink 5 Install the speakers Removing and installing components 53 ...

Страница 54: ... state drive Intel Optane memory module 10 Install the right fan 11 Install the left fan 12 Install the WLAN card 13 Install the memory modules 14 Install the battery 15 Install the base cover 16 Follow the procedure in After working inside your computer 54 Removing and installing components ...

Страница 55: ...he Device Manager check if the video driver is installed Install the video driver update from www dell com support Identifier GUID 43531ABB B77D 45B5 AFBA B90BDF782CFC Status Released Intel Serial IO driver In the Device Manager check if the Intel Serial IO driver is installed Install the driver updates from www dell com support Identifier GUID B021278B 5FB5 429E B0B5 BF580C34D140 Status Released ...

Страница 56: ...r updates from www dell com support Identifier GUID 543661C6 4009 4F1B BB4F 6CF5FF28149D Status Released Wireless and Bluetooth drivers In the Device Manager check if the network card driver is installed Install the driver updates from www dell com support In the Device Manager check if the Bluetooth driver is installed Install the driver updates from www dell com support 56 Device drivers ...

Страница 57: ...t or change a user selectable option such as the user password type of hard drive installed and enabling or disabling base devices Identifier GUID 1432A924 49E9 4080 961D 2AFBDAF42039 Status Released Entering BIOS setup program 1 Turn on or restart your computer 2 During POST when the DELL logo is displayed watch for the F2 prompt to appear and then press F2 immediately NOTE The F2 prompt indicate...

Страница 58: ...ressing F12 key The one time boot menu displays the devices that you can boot from including the diagnostic option The boot menu options are Removable Drive if available STXXXX Drive NOTE XXX denotes the SATA drive number Optical Drive if available SATA Hard Drive if available Diagnostics NOTE Choosing Diagnostics will display the ePSA diagnostics screen The boot sequence screen also displays the ...

Страница 59: ...ocessor clock speed Microcode Version Displays the microcode version Intel Hyper Threading Capable Displays whether the processor is Hyper Threading HT capable 64 Bit Technology Displays whether 64 bit technology is used Memory Information Memory Installed Displays the total computer memory installed Memory Available Displays the total computer memory available Memory Speed Displays the memory spe...

Страница 60: ...M SS 24 hour format You can switch between 12 hour and 24 hour clock Changes to the time take effect immediately Enable SMART Reporting Enables or disables SMART Self Monitoring Analysis and Reporting Technology during computer startup to report hard drive errors Default OFF Enable Audio Enables or disables all integrated audio controller Default ON Enable Microphone Enables or disables microphone...

Страница 61: ...s or disables the touchscreen for the operating system NOTE Touchscreen will always work in the BIOS setup irrespective of this setting Default ON Table 6 System setup options Video menu Video LCD Brightness Brightness on battery power Sets the screen brightness when the computer is running on battery power Brightness on AC power Sets the screen brightness when the computer is running on AC power ...

Страница 62: ...sitive information Default Software Control SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections Default OFF NOTE This feature may cause compatibility issues or loss of functionality with some legacy tools and applications Enable Strong Passwords Enables or disables strong passwords Default OFF Password Configuration Control the minimum and maximum number...

Страница 63: ...el TurboBoost mode of the processor If enabled the Intel TurboBoost driver increases the performance of the CPU or graphics processor Default ON Multi Core Support Changes the number of CPU cores available to the operating system The default value is set to the maximum number of cores Default All Cores Enable C State Control Enables or disables the CPU s ability to enter and exit low power states ...

Страница 64: ... the computer to power up from the off state whenever the lid is opened Default ON Table 12 System setup options Wireless menu Wireless Wireless Switch Determines which wireless devices can be controlled by the Wireless Switch For Windows 8 systems this is controlled by an operating system drive directly As a result the setting does not affect the Wireless Switch behavior NOTE When both WLAN and W...

Страница 65: ...method that provides virtualization for memory map I O Default ON Table 15 System setup options Maintenance menu Maintenance Asset Tag Creates a system Asset Tag that can be used by an IT administrator to uniquely identify a particular system Once set in BIOS the Asset Tag cannot be changed Service Tag Displays the Service Tag of the computer BIOS Recovery from Hard Drive Enables the computer to r...

Страница 66: ... System Resolution Console and for Dell operating system Recovery tool Default 2 SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors Default ON Identifier GUID 52E6F16C 1AA9 4088 98C2 CCFF3BE77302 Status Released Clearing CMOS settings About this task CAUTION Clearing CMOS settings will rese...

Страница 67: ... Setup and System passwords To clear the system or BIOS passwords contact Dell technical support as described at www dell com contactdell NOTE For information on how to reset Windows or application passwords refer to the documentation accompanying Windows or your application System setup 67 ...

Страница 68: ...ges that inform you of problems encountered during testing NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed For more information see Dell EPSA Diagnostic 3 0 Identifier GUID 0B893EED EFBC 4831 A9C4 7298A7A9F619 Status Released Running the ePSA diagnostics 1 Turn on your computer 2 As th...

Страница 69: ...hite three times followed by a pause This 2 3 pattern continues until the computer is turned off indicating no memory or RAM is detected The following table shows different power and battery status light patterns and associated problems Table 18 LED codes Diagnostic light codes Problem description 2 1 Processor failure 2 2 System board BIOS or ROM Read Only Memory failure 2 3 No memory or RAM Rand...

Страница 70: ... it will result in a blue screen error The Intel Rapid Storage Technology user interface can be removed without uninstalling the driver NOTE Disabling Intel Optane memory is required before removing the SATA storage device accelerated by the Intel Optane memory module from the computer Steps 1 On the taskbar click the search box and then type Intel Rapid Storage Technology 2 Click Intel Rapid Stor...

Страница 71: ...ervice Tag use the auto detect feature or manually browse for your computer model 4 Click Drivers downloads Find it myself 5 Select the operating system installed on your computer 6 Scroll down the page and expand BIOS 7 Click Download to download the latest version of the BIOS for your computer 8 After the download is complete navigate to the folder where you saved the BIOS update file 9 Double c...

Страница 72: ...eased Using Game Shift Game Shift improves gaming performance by increasing the fan speed for optimal thermal cooling of the processor Enabling Game Shift To enable Game Shift press F7 if fn default is enabled otherwise press fn F7 For more information see Keyboard shortcuts Alienware Command Center displays a blue G icon a notification pops up to indicate that Game Shift is enabled Disabling Game...

Страница 73: ...ions Some keys on your keyboard have two symbols on them These keys can be used to type alternate characters or to perform secondary functions The symbol shown on the lower part of the key refers to the character that is typed out when the key is pressed If you press Shift and the key the symbol shown on the upper part of the key is typed out For example if you press 2 2 is typed out if you press ...

Страница 74: ...Non backlight keyboards have the F10 function key without the backlight icon In this case the function key does not toggle the keyboard backlight function Decrease brightness Increase brightness The Fn key is also used with selected keys on the keyboard to invoke other secondary functions Table 20 List of keyboard shortcuts Function key Behavior Turn off on wireless Pause Break Sleep Toggle scroll...

Страница 75: ...Function key Behavior Toggle between power and battery status light hard drive activity light System request Open application menu Toggle fn key lock Page up Page down Home End Troubleshooting 75 ...

Страница 76: ...rt Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 Type the subject or keyword in the Search box 3 Click Search to retrieve the related articles Learn and know the following information about your product Product specifications Operating system Setting up and using your product Data backup Troubleshooting and diagnostics Factory and system restore BIO...

Страница 77: ...ct and some services may not be available in your country region NOTE If you do not have an active internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog Getting help and contacting Dell 77 ...

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