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HP Pavilion dv7-6c90us Cooling Fan Replacement

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  1. HP Pavilion dv7-6c90us Cooling Fan Replacement, Cooling fan: étape 1, image 1 de 1
    • Place the laptop on a large flat surface, and turn it over.

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    • The latch pictured on the bottom of the laptop holds the battery in place. Slide the latch to the left to remove the battery.

    • Slide the latch to the right to release the t-shaped plastic cover.

    • Lift the cover up and gently remove it.

  3. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 3, image 1 de 1
    • Sketch a diagram of the bottom of the laptop. Make sure to mark all of the screw holes.

    • Note: This step is optional, but it is highly recommended. The diagram is used exclusively for keeping track of the screws on the bottom of the laptop.

    • Note: The three screws in the blue box are under the hard drive and are not immediately visible. The three screws in the red box are under the CD drive and are also not visible at this point in disassembly.

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    • Carefully remove all twenty screws from the external laptop case.

    • Remove the eight Phillips PM2.5x5.0 screws from both hard drive compartments, and place them on the diagram.

    • Note:If a screw is too tight, use pliers for additional grip and torque.

    • Carefully place all screws in the correct spot on the diagram. Many screws are different sizes and lengths. It is extremely important that all screws go back into the same screw hole they came out of during re-assembly.

    • The screw sizes and types are: Phillips PM2.0x4.0, PM2.5x5.0, PM3.0x4.0, PM 2.5x7.0, PM 2.5x3.0, PM 2.5x9.0, PM 2.0x2.0, and PM 2.0x7.0.

  5. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 5, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 5, image 2 de 2
    • Disconnect the hard drive by gently pulling the plastic tab connector from the motherboard port.

    • Remove the empty hard drive bracket and hard drive. Set them aside until re-assembly.

  6. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 6, image 1 de 1
    • Remove the screws from the hard drive compartments and place them in the matching places on the diagram.

  7. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 7, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 7, image 2 de 2
    • Gently push the tabs away from the sides of the RAM chips to release them. (Push the tabs in the direction of the arrows.)

    • Remove both RAM chips by gently pulling them out at a 45 degree angle.

  8. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 8, image 1 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 8, image 2 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 8, image 3 de 3
    • To begin removing the wireless card, disconnect the attached wires.

    • Remove the two PM 2.0x4.0 screws from the corners of the wireless card. Removing the screws will cause the wireless card to pop up.

    • Carefully remove the wireless card.

    • Note: Make a note of the color of the wire attached to each node. The connection nodes are marked with yellow circles.

  9. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 9, image 1 de 1
    • Place your fingernails in-between the crevice of the CD drive and the main body of the laptop. Carefully pull the drive out of the slot.

  10. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 10, image 1 de 1
    • Remove the three screws on the seam of the CD disk drive slot.

  11. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 11, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 11, image 2 de 2
    • Turn the laptop right-side-up, and open the screen. Loosen the keyboard by carefully prying it up using your fingernails, carefully working along the edges.

    • Note: Keyboard keys may pop off. Re-attach them after you re-attach the keyboard.

    • Slowly lift the keyboard away from the case.

    • Lift the plastic tab that connects the keyboard ribbon cable to the motherboard.

    • Set the keyboard aside.

  12. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 12, image 1 de 1
    • Carefully lift the four plastic tabs under the keyboard, and gently disconnect the ribbons under each one.

  13. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 13, image 1 de 1
    • Remove the two PM 2.5x5.0 screws from beneath the keyboard.

    • Note: Both screws under the keyboard are the same size, so they can go to either location in re-assembly.

  14. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 14, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 14, image 2 de 2
    • Use your fingers to release the top cover. Start at the top right corner. and work your way around the faceplate.

    • Note: You can also use a small flat-head screwdriver if your fingers do not fit. You will hear some popping sounds as the faceplate comes off.

    • WARNING: There are several sharp edges that may cut fingers. Do not force the top faceplate off. If it does not release with slight pressure, make sure all screws are removed from the back of the laptop case.

  15. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 15, image 1 de 1
    • The laptop should now look like this.

  16. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 16, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 16, image 2 de 2
    • Lift the tab covering the SD card reader ribbon to unplug it.

    • Gently pull the SD card reader wires to disconnect them from the motherboard.

  17. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 17, image 1 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 17, image 2 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 17, image 3 de 3
    • Unplug the speaker wire from the port in the lower left hand corner of the laptop.

    • Gently pull the plastic tab attached to the display wire to disconnect the display.

    • Disconnect the fan power supply cable.

  18. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 18, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 18, image 2 de 2
    • Remove the power supply cord from the port on the right hand side of the motherboard (marked with red box).

  19. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 19, image 1 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 19, image 2 de 3 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 19, image 3 de 3
    • Remove the five screws that hold the motherboard and fan in place.

    • Carefully remove the motherboard and fan.

    • CAUTION: Be careful not to bend or break the motherboard body or USB ports.

  20. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 20, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 20, image 2 de 2
    • Flip the motherboard over. Use a micro- screwdriver to remove the screws holding the fan assembly in place.

    • Note: You may need to cut or remove a bar code sticker from the fan/heat sink assembly.

    • Remove screws from the heat sink assembly using a #1 Phillips screwdriver.

  21. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 21, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 21, image 2 de 2
    • Remove the fan/heat sink assembly.

    • Note: The assembly may stick, due to the connection made with the heat sinks through the thermal compound.

  22. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 22, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 22, image 2 de 2
    • The old fan can be removed by sliding it out of the fan/heat sink assembly.

    • Note: You can use canned air to clean out the fan vents for better CPU cooling.

    • Insert the new fan into the fan slot in the fan/heat sink assembly. Put the assembly back together with the micro screws.

    • Before reassembly, make sure your new fan freely rotates within its housing.

    • CAUTION: Do not over-tighten the screws!

  23. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 23, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 23, image 2 de 2
    • Use cotton swabs, paper towels, and alcohol to gently remove old thermal compound from the fan/heat sink assembly and motherboard.

    • CAUTION: Do not pour rubbing alcohol on the motherboard or other components! The rubbing alcohol may cause severe damage to your computer.

    • Apply a small amount of new thermal compound to the center of the brass section of the heat sink. Both areas that need new thermal compound are marked with red boxes.

    • CAUTION: Use the thermal compound manufacturer’s recommended amount. Applying too much or too little of it may damage your computer.

  24. HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 24, image 1 de 2 HP Pavilion dv7-6c90us Cooling Fan Replacement: étape 24, image 2 de 2
    • Re-attach the heat sink assembly to the motherboard.

    • CAUTION: Do not over-tighten screws. Finger tighten them until snug. If you apply too much torque, you may damage components.

    • Using light pressure, shift the fan/heat sink gently back and forth to spread the thermal compound. This makes a solid connection between the heat sink and motherboard.

Conclusion

Follow the steps in reverse order to reassemble.

Once you have reassembled the laptop, your repair is complete. If you need additional help, see the HP Pavilion dv7 Maintenance and Service Guide on HP's support website (link to guide: http://h10032.www1.hp.com/ctg/Manual/c03...).

43 autres ont terminé cette réparation.

Angelina Clayton

Membre depuis le 06/24/15

250 Réputation

1 tutoriel rédigé

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Colorado Springs, Team 1-1, Mcmichael SU 2015 Membre de l'équipe Colorado Springs, Team 1-1, Mcmichael SU 2015

UCCS-MCMICHAEL-SU15S1G1

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1 tutoriel rédigé

15 commentaires

My HP Pavilion dv7 Cooling Fan failed and this procedure was exactly what I needed to install a new fan. The steps are right on. I would have done a lot of experimentation and possible damage had I not had this reference to follow. Thank you very much.

Wutever Canada - Réponse

The link on the last page is incomplete and doesn't work

420 - Réponse

You used way too much thermal compound.

A pea sized drop will be just fine, my dude.

Playstation3techsony - Réponse

the link works just fine!by the way author i thank you for your work,its really help me!!

elconejolucho - Réponse

Extremely helpful,thank you

Bryan Jones - Réponse

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