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Dell Inspiron 3521 CMOS Battery Replacement

Introdução

Access the motherboard to replace the CMOS battery if your computer is having issues tracking the date and time. It is recommended to wear an anti-static wrist strap to avoid damaging the electronic components of the computer.

O que você precisa

  1. Dell Inspiron 3521 CMOS Battery Replacement, Remove the Battery: passo 1, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove the Battery: passo 1, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove the Battery: passo 1, imagem 3 %32

    • Make sure laptop is turned off and unplugged.

    • Turn over the laptop, and push in the clips to take out the battery.

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  2. Dell Inspiron 3521 CMOS Battery Replacement, Remove Surface Cover: passo 2, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Surface Cover: passo 2, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Surface Cover: passo 2, imagem 3 %32

    • Remove the screws to take off the surface cover.

    • Make sure to keep small screws organized in Step 2 and all subsequent steps to make reassembly easier.

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  3. Dell Inspiron 3521 CMOS Battery Replacement, Remove Hard Drive: passo 3, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Hard Drive: passo 3, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Hard Drive: passo 3, imagem 3 %32

    • Remove screws securing the hard drive

    • Remove hard drive by pulling on the tab to slide it out.

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  4. Dell Inspiron 3521 CMOS Battery Replacement, Remove Memory Card: passo 4, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Memory Card: passo 4, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Memory Card: passo 4, imagem 3 %32

    • Remove the memory card by pressing on the latches on either side.

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  5. Dell Inspiron 3521 CMOS Battery Replacement, Remove Optical Drive: passo 5, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Optical Drive: passo 5, imagem 2 %32

    • Remove the screws securing the optical drive, then slide out the optical drive.

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  6. Dell Inspiron 3521 CMOS Battery Replacement, Remove All Screws on the Back: passo 6, imagem 1 %32

    • Remove all remaining screws on the back.

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  7. Dell Inspiron 3521 CMOS Battery Replacement, Remove Keyboard: passo 7, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Keyboard: passo 7, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Keyboard: passo 7, imagem 3 %32

    • Turn computer over and open it.

    • Carefully pry off keyboard using spudger.

    • Be careful not to damage ribbon cable while removing the keyboard.

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  9. Dell Inspiron 3521 CMOS Battery Replacement, Disconnect Ribbon Cable: passo 8, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Disconnect Ribbon Cable: passo 8, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Disconnect Ribbon Cable: passo 8, imagem 3 %32

    • Remove the ribbon cable by pulling up on the tab where it is attached, then slide it out.

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  10. Dell Inspiron 3521 CMOS Battery Replacement, Unplug Smaller Ribbon Cable: passo 9, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug Smaller Ribbon Cable: passo 9, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug Smaller Ribbon Cable: passo 9, imagem 3 %32

    • Unplug the smaller ribbon cable by pulling up on the tab where it is attached, then slide it out.

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  11. Dell Inspiron 3521 CMOS Battery Replacement, Unplug Motherboard Cable: passo 10, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug Motherboard Cable: passo 10, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug Motherboard Cable: passo 10, imagem 3 %32

    • Unplug the motherboard cable by pulling up on the tab where it is attached, then slide it out.

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  12. Dell Inspiron 3521 CMOS Battery Replacement, Remove All Screws from Palm Rest: passo 11, imagem 1 %32

    • Remove all screws from palm rest

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  13. Dell Inspiron 3521 CMOS Battery Replacement, Remove Palm Rest: passo 12, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Palm Rest: passo 12, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Palm Rest: passo 12, imagem 3 %32

    • Remove palm rest by carefully prying it off with a spudger.

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  14. Dell Inspiron 3521 CMOS Battery Replacement, Unplug White Ribbon Cable: passo 13, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug White Ribbon Cable: passo 13, imagem 2 %32

    • Unplug the white ribbon cable by pulling up on the tab where it is attached, then slide it out.

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  15. Dell Inspiron 3521 CMOS Battery Replacement, Remove Connecting Cable: passo 14, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Connecting Cable: passo 14, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Connecting Cable: passo 14, imagem 3 %32

    • Gently pull out the connecting cable.

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  16. Dell Inspiron 3521 CMOS Battery Replacement, Unplug the Black and White Cables from Wi-Fi Chip: passo 15, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug the Black and White Cables from Wi-Fi Chip: passo 15, imagem 2 %32

    • Unplug the black and white cables connected to the Wi-Fi chip.

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  17. Dell Inspiron 3521 CMOS Battery Replacement, Remove Screen: passo 16, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Screen: passo 16, imagem 2 %32

    • Disconnect screen by removing all remaining screws.

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  18. Dell Inspiron 3521 CMOS Battery Replacement, Remove Wi-Fi Chip: passo 17, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Wi-Fi Chip: passo 17, imagem 2 %32

    • Remove screws securing the Wi-Fi chip, then remove Wi-Fi chip.

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  19. Dell Inspiron 3521 CMOS Battery Replacement, Unplug Connecting Cables on Motherboard: passo 18, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Unplug Connecting Cables on Motherboard: passo 18, imagem 2 %32

    • Locate and disconnect connecting cables on motherboard.

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  20. Dell Inspiron 3521 CMOS Battery Replacement, Remove Motherboard: passo 19, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove Motherboard: passo 19, imagem 2 %32

    • Remove the remaining screws securing the motherboard to remove it.

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  21. Dell Inspiron 3521 CMOS Battery Replacement, Remove CMOS Battery: passo 20, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove CMOS Battery: passo 20, imagem 2 %32 Dell Inspiron 3521 CMOS Battery Replacement, Remove CMOS Battery: passo 20, imagem 3 %32

    • Flip over motherboard and locate CMOS battery

    • Pry off battery with spudger.

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  22. Dell Inspiron 3521 CMOS Battery Replacement, Replace CMOS Battery: passo 21, imagem 1 %32 Dell Inspiron 3521 CMOS Battery Replacement, Replace CMOS Battery: passo 21, imagem 2 %32

    • Place new CMOS battery in motherboard.

    • Repeat all steps backwards to reassemble computer.

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Conclusão

To reassemble your device, follow these instructions in reverse order.

Uma outra pessoa concluiu este guia.

Autor(a)

com 4 outros contribuidores

Victoria Rivera

Membro desde: 04/14/23

349 Reputação

Autoria de 1 guia

Emblemas: 3

2Comentários do guia

Dont wast you time for these steps because this model 3521 ,only 2nd step enough for remove cmos battery . Once remove the Surface Cover ,you can see the cmos battery .. no need to remove all the components .thanks me later .

Stuff Srilanka - Responder

Thank you, kind man)

Александр Кашенцев -

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