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Introduction

If your laptop overheat, you must open it and clean the Heat-Sink system. This video will show you how to do this.


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Video Overview

  1. Dell Inspiron n5110 heat sink and thermal paste replacement, Heat Sink System Cleaning / Thermal Paste Replacing: step 1, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement, Heat Sink System Cleaning / Thermal Paste Replacing: step 1, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement, Heat Sink System Cleaning / Thermal Paste Replacing: step 1, image 3 of 3
    • Switch-off the laptop and remove the battery.

    • To remove the keyboard lift it from one side by using cutter. Now open 4x locking clips at the upper side on the keyboard.

  2. Dell Inspiron n5110 heat sink and thermal paste replacement: step 2, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 2, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 2, image 3 of 3
    • Open the keyboard flex cable connector and remove the KB.

    • Open the RAM memory cover.

    • The DVD drive is held by one screw. After unscrewing, you can remove the drive.

  3. Dell Inspiron n5110 heat sink and thermal paste replacement: step 3, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 3, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 3, image 3 of 3
    • 12x screws M 2,5x5,0

    • 4x screws M 2,5x5,0

    • Power switch cable connector

    • Mouse pad cable connector

    • Hot keys cable connector

    • After removing all the screws and opening all the connectors, you can remove the upper case.

  4. Dell Inspiron n5110 heat sink and thermal paste replacement: step 4, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 4, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 4, image 3 of 3
    • Eject the Card Reader Blanking Plate.

    • Disconnect the LCD display flex cable.

    • Disconnect the WiFi and Bluetooth coaxial cables.

    • The LCD display hings are held by 4x M 2,5x5.0 screws.

    • Now you can remove the LCD display module.

  5. Dell Inspiron n5110 heat sink and thermal paste replacement: step 5, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 5, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 5, image 3 of 3
    • Unscrew 5x M2.5x5.0 screws.

    • Disconnect the Loudspeakers cable connector.

    • Remove the Daughter Bluetooth board.

    • Start removing the mother board by lifting from the right side (near to the DVD drive connector).

    • Be careful, there are connectors between mother board and another two additional small boards (charging port board and USB connectors, WiFi card slot board).

  6. Dell Inspiron n5110 heat sink and thermal paste replacement: step 6, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 6, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 6, image 3 of 3
    • Remove the Hard Disk drive.

    • Disconnect the Fan cable connector.

  7. Dell Inspiron n5110 heat sink and thermal paste replacement: step 7, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 7, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 7, image 3 of 3
    • Remove the Heat Sink system.

    • Clean the cooper contact surface.

  8. Dell Inspiron n5110 heat sink and thermal paste replacement: step 8, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 8, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 8, image 3 of 3
    • Disassemble the Heat Sink system to clean the fan and the radiator from inside.

  9. Dell Inspiron n5110 heat sink and thermal paste replacement: step 9, image 1 of 2 Dell Inspiron n5110 heat sink and thermal paste replacement: step 9, image 2 of 2
    • Clean the old thermal paste / compose from the CPU.

  10. Dell Inspiron n5110 heat sink and thermal paste replacement: step 10, image 1 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 10, image 2 of 3 Dell Inspiron n5110 heat sink and thermal paste replacement: step 10, image 3 of 3
Conclusion

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

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ZFix

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2 Comments

Which thermal paste would you recommend?

PinupSquid - Reply

Done! It works, now my laptop is as new!

alexmogavero - Reply

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