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3 

Remove the jumper plug and replace it on the password jumper-pins.

1

jumper plug

2

CMOS jumper-pins

3

password jumper-pins

4 

Follow the procedure from step 4 to step 5 in “

Replacing the processor 

fan

”.

5 

Replace the 

base cover

.

6 

Turn on your computer and wait till the operating system is completely 

loaded.

7 

Shut down your computer.

8 

Remove the 

base cover

.

9 

Follow the procedure from step 1 to step 2 in “

Removing the processor 

fan

”.

10 

Replace the jumper plug to its original position.

58

Содержание Inspiron 3050

Страница 1: ...Inspiron Micro Desktop 3000 Series Service Manual Computer Model Inspiron 3050 Regulatory Model D12U Regulatory Type D12U001 ...

Страница 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Страница 3: ...nside view of your computer 11 System board components top view 12 System board components bottom view 13 Removing the base cover 14 Procedure 14 Replacing the base cover 17 Procedure 17 Removing the memory module 18 Prerequisites 18 Procedure 18 Replacing the memory module 20 Procedure 20 Post requisites 22 Removing the processor fan 23 Prerequisites 23 Procedure 23 3 ...

Страница 4: ...sink 29 Procedure 29 Post requisites 29 Removing the wireless card 30 Prerequisites 30 Procedure 31 Replacing the wireless card 33 Procedure 33 Post requisites 35 Removing the coin cell battery 36 Prerequisites 36 Procedure 37 Replacing the coin cell battery 39 Procedure 39 Post requisites 39 Removing the solid state drive 40 Prerequisites 40 Procedure 41 4 ...

Страница 5: ...8 Removing the system board 49 Prerequisites 49 Procedure 49 Replacing the system board 51 Procedure 51 Post requisites 51 Removing the top cover assembly 52 Prerequisites 52 Procedure 52 Replacing the top cover assembly 54 Procedure 54 Post requisites 54 BIOS setup program 55 Overview 55 Entering BIOS setup program 55 Clearing Forgotten Passwords 56 Prerequisites 56 Procedure 57 5 ...

Страница 6: ...Post requisites 59 Clearing CMOS Settings 59 Prerequisites 59 Procedure 60 Post requisites 62 Flashing the BIOS 63 Getting help and contacting Dell 64 Self help resources 64 Contacting Dell 64 6 ...

Страница 7: ...n Windows 7 Click or tap Start Shut down NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer and all attached devices from their electrical outlets 4 Disconnect all cables such as telephone cables network cables and so on from your computer 5 Disconnect all attached devices and peripherals such as k...

Страница 8: ...uthorized or directed by the Dell technical assistance team Damage due to servicing that is not authorized by Dell is not covered by your warranty See the safety instructions that shipped with the product or at dell com regulatory_compliance CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface While you work periodically touch an unpainted me...

Страница 9: ...CAUTION Press and eject any installed card from the media card reader Recommended tools The procedures in this document may require the following tools Philips screwdriver Plastic scribe 9 ...

Страница 10: ...sure that no stray screws remain inside your computer 2 Connect any external devices peripherals and cables you removed before working on your computer 3 Replace any media cards discs and 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 10 ...

Страница 11: ...in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Inside view of your computer 1 processor heat sink 2 processor fan 3 system board 4 top cover assembly 11 ...

Страница 12: ...5 memory module 6 brackets 2 System board components top view 1 memory module slot 2 processor fan cable connector CPU FAN 3 processor 12 ...

Страница 13: ...ts bottom view 1 solid state drive slot NGF_SSD 2 CMOS and password reset jumper CMOS PW 3 wireless card slot NGF_WLAN 4 coin cell battery 5 hard drive cable connector SATA_HDD 6 coin cell battery cable connector BATTERY 13 ...

Страница 14: ...e working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure CAUTION Place the computer on a soft and clean surface to avoid scratching the top cover 1 Turn the computer over 14 ...

Страница 15: ...e the screws that secure the base cover to the top cover assembly 1 screws 4 2 base cover 3 Hold the base cover and gently loosen it to release the tabs that secure the base cover to the top cover assembly 15 ...

Страница 16: ...4 Lift the base cover off the top cover assembly 1 base cover 2 top cover assembly 3 tabs 4 16 ...

Страница 17: ... your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the tabs on the top cover assembly with the slots on the base cover and snap the top cover assembly in place 2 Replace the screws that secure the base cover to the top cover assembly 3 Turn the comput...

Страница 18: ...er After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory module pops up 18 ...

Страница 19: ...2 Slide and remove the memory module from the memory module slot 1 memory module slot 2 securing clips 2 3 memory module 19 ...

Страница 20: ...w the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the notch on the memory module with the tab on the memory module slot 20 ...

Страница 21: ...irmly into the slot at an angle and gently press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it 1 notch 2 tab 3 memory module slot 4 memory module 21 ...

Страница 22: ...Post requisites Replace the base cover 22 ...

Страница 23: ...in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Remove the screws that secure the brackets to the system board 23 ...

Страница 24: ...2 Lift the brackets off the system board 1 screws 4 2 brackets 2 3 Remove the screws that secure the processor fan to the system board 24 ...

Страница 25: ...4 Disconnect the processor fan cable from the system board and lift the processor fan off the system board 1 screws 2 2 processor fan 3 processor fan cable 25 ...

Страница 26: ...ety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Connect the processor fan cable to the system board 2 Align the screw holes on the processor fan with the screw holes on the system board 3 Replace the screws that secure the processor fan to the system board 4 Align the screw holes on the brackets with the screw holes on the system board 5 Rep...

Страница 27: ...g inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease Prerequisites 1 Remove the base cover 2 Remove the processor fan Procedure 1 Loosen the c...

Страница 28: ...2 Lift the processor heat sink off system board 1 processor heat sink 2 captive screws 4 28 ...

Страница 29: ...sink The oils in your skin can reduce the heat transfer capability of the thermal grease Procedure CAUTION Incorrect alignment of the heat sink may damage the system board and processor NOTE The original thermal grease can be reused if the original processor and heat sink are reinstalled together If either the processor or the heat sink is replaced use the thermal grease provided in the kit to mak...

Страница 30: ...n Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Follow the procedure from step 1 to step 2 in Removing the processor fan 30 ...

Страница 31: ...er 1 top cover assembly 2 system board assembly 3 alignment posts 4 2 Remove the screw that secures the wireless card bracket to the wireless card 3 Slide and lift the wireless card bracket off the wireless card 4 Disconnect the antenna cables from the wireless card 31 ...

Страница 32: ...5 Slide and remove the wireless card from the wireless card slot 1 wireless card bracket 2 antenna cables 2 3 screw 4 wireless card 5 wireless card slot 32 ...

Страница 33: ...your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure CAUTION To avoid damage to the wireless card do not place any cables under it 1 Align the notch on the wireless card with the tab on the wireless card slot 2 Slide the wireless card at an angle into the wirele...

Страница 34: ...e color scheme for the wireless card supported by your computer Connectors on the wireless card Antenna cable sticker color Main white triangle White Auxiliary black triangle Black 1 wireless card 2 antenna cables 2 3 wireless card slot 4 Press the other end of the wireless card down and slide the wireless card bracket into the wireless card 34 ...

Страница 35: ...at secures the wireless card bracket to the wireless card 1 wireless card bracket 2 screw 6 Turn the system board assembly over and using the alignment posts snap the system board assembly into place Post requisites 1 Follow the procedure from step 4 to step 5 in Replacing the processor fan 2 Replace the base cover 35 ...

Страница 36: ... in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Prerequisites 1 Remove the base cover 2 Follow the procedure ...

Страница 37: ...Procedure 1 Carefully lift the system board assembly and turn it over 1 top cover assembly 2 system board assembly 3 alignment posts 4 2 Disconnect the coin cell battery cable from the system board 37 ...

Страница 38: ...3 Peel off the coin cell battery from the system board 1 coin cell battery connector 2 coin cell battery cable 3 coin cell battery 38 ...

Страница 39: ...inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Adhere the coin cell battery to the system board 2 Connect the coin cell battery cable to the system board 3 Turn the system board assembly over and using the alignment posts snap the system board assembly into place Post requisites 1 Follow the procedure from s...

Страница 40: ...ions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the hard drive CAUTION To avoid data loss do not remove the solid state drive while the computer is in sleep or on state Prerequisites 1 Remove the base cover 2 Follow the procedure fro...

Страница 41: ...e 1 Carefully lift the system board assembly and turn it over 1 top cover assembly 2 system board assembly 3 alignment posts 4 2 Using a plastic scribe push the securing tab to release the solid state drive 41 ...

Страница 42: ...3 Slide and lift the solid state drive off the system board assembly 1 securing tab 2 plastic scribe 3 solid state drive 4 solid state drive slot 42 ...

Страница 43: ...e at dell com regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the hard drive Procedure 1 Slide the solid state drive firmly into the slot at an angle and gently press the solid state drive down until it snaps into position NOTE Ensure that the solid state drive is firmly seated 2 Turn the system board over 3 Using the alignment posts on the top cover assemb...

Страница 44: ...uctions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance CAUTION Hard drives are fragile Exercise care when handling the hard drive CAUTION To avoid data loss do not remove the hard drive while the computer is in sleep or on state Prerequisites 1 Remove the base cover 2 Follow the procedure from step 1 to...

Страница 45: ... top cover assembly 2 system board assembly 3 alignment posts 4 2 Using your fingertips gently release the securing tabs on the hard drive cable 3 Disconnect the hard drive cable from the system board 4 Remove the screws that secure the hard drive to the hard drive bay 45 ...

Страница 46: ...5 Slide and lift the hard drive assembly off the hard drive bay 1 securing tabs 2 2 hard drive cable 3 hard drive assembly 4 hard drive bay 5 screws 4 46 ...

Страница 47: ...6 Disconnect the interposer from the hard drive 1 interposer 2 hard drive 47 ...

Страница 48: ...dling the hard drive Procedure 1 Connect the interposer to the hard drive 2 Slide the hard drive assembly into the hard drive bay 3 Align the screw holes on the hard drive assembly with the screw holes on the hard drive bay 4 Replace the screws that secure the hard drive assembly to the hard drive bay 5 Slide the hard drive cable into the connector on the system board and push the securing tabs to...

Страница 49: ... program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the desired changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect them correctly after you replace the system board Pre...

Страница 50: ...1 system board 50 ...

Страница 51: ...mputer s Service Tag is stored in the system board You must enter the Service Tag in the BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the desired changes again after you replace the system board Procedure Place the system board on a clean flat surface Post requisites 1 ...

Страница 52: ...r For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Follow the procedure from step 1 to step 2 in Removing the processor fan 3 Follow the procedure from step 1 to step 5 in Removing the hard drive Procedure 1 Remove the screw that secures the wireless card bracket to the wireless card 2 Lift the wireless...

Страница 53: ...4 Lift the top cover assembly and keep it aside 1 top cover assembly 2 antenna cables 2 3 wireless card bracket 4 screw 1 top cover assembly 53 ...

Страница 54: ... card The following table provides the antenna cable color scheme for the wireless card supported by your computer Connectors on the wireless card Antenna cable sticker color Main white triangle White Auxiliary black triangle Black 2 Press the other end of the wireless card down and place the wireless card bracket on the wireless card 3 Align the screw hole on the wireless card bracket with the sc...

Страница 55: ...iguration information Set or change a user selectable option such as the user password type of hard drive installed enabling or disabling base devices and so on 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 indicates that the keyboard has initialized Thi...

Страница 56: ...in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Follow the procedure from step 1 to step 2 in Removing the processor fan 56 ...

Страница 57: ...and turn it over 1 top cover assembly 2 system board assembly 3 alignment posts 4 2 Locate the CMOS and password reset jumper CMOS PW on the system board For more information on the location of CMOS and password reset jumper see System board components 57 ...

Страница 58: ...edure from step 4 to step 5 in Replacing the processor fan 5 Replace the base cover 6 Turn on your computer and wait till the operating system is completely loaded 7 Shut down your computer 8 Remove the base cover 9 Follow the procedure from step 1 to step 2 in Removing the processor fan 10 Replace the jumper plug to its original position 58 ...

Страница 59: ...n that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Follow the procedure from step 1 to step 2 in Removing the proce...

Страница 60: ... turn it over 1 top cover assembly 2 system board assembly 3 alignment posts 4 2 Locate the CMOS and password reset jumper CMOS PW on the system board NOTE For more information on the location of CMOS and password reset jumper see System board components 60 ...

Страница 61: ...ure from step 4 to step 5 in Replacing the processor fan 5 Replace the base cover 6 Turn on your computer and wait till the operating system is completely loaded 7 Shut down your computer 8 Remove the base cover 9 Follow the procedure from step 1 to step 2 in Removing the processor fan 10 Replace the jumper plug to its original position 61 ...

Страница 62: ...Post requisites 1 Follow the procedure from step 4 to step 5 in Replacing the processor fan 2 Replace the base cover 62 ...

Страница 63: ...browse for your computer model 4 Click Drivers downloads 5 Scroll down the page and select BIOS from the Category drop down list NOTE In the Change OS drop down list select the operating system installed on your computer 6 Expand BIOS to view the available BIOS files 7 Click Download File to download the latest version of the BIOS for your computer 8 Save the file and once the download is complete...

Страница 64: ...ces See dell com Troubleshooting information user manuals setup instructions product specifications technical help blogs drivers software updates and so on See dell com support Information about Microsoft Windows 8 1 See dell com windows8 Information about Microsoft Windows 7 Click Start All Programs Dell Help Documentation Learn about your operating system setting up and using your computer data ...

Страница 65: ...ountry and product and some services may not be available in your country 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 65 ...

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