Introduction

If your system overheats, in this video we will show you

how to disassemble / take apart Compaq Presario CQ58, clean the Cooling / Fan System and change the thermal Compound / Grease.


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Video Overview

  1. Switch-off the laptop and remove the battery. Remove the memory cover. Remove the memory cover.
    • Switch-off the laptop and remove the battery.

    • Remove the memory cover.

  2. Remove the HDD cover. Unpin the HDD. Unpin the HDD.
    • Remove the HDD cover.

    • Unpin the HDD.

  3. Near to the WiFi card you can see one screw hole with a keyboard symbol. This screw holds the Keyboard. To remove the Keyboard, you must open 5X locking clips. To remove the Keyboard, you must open 5X locking clips.
    • Near to the WiFi card you can see one screw hole with a keyboard symbol. This screw holds the Keyboard.

    • To remove the Keyboard, you must open 5X locking clips.

  4. Under the Keyboard there are: 4x M2.5x5.0 screws Mouse flex cable connector
    • Under the Keyboard there are:

      • 4x M2.5x5.0 screws

      • Mouse flex cable connector

      • Power On button flex cable connector.

    • Unscrew the screws on the bottom side of the laptop:

      • 13x M2.5x5.0

      • 3x M2.5x3.0

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  6. Use a plastic tool to separate and remove the upper case. Unscrew 5x screws and disconnect: LCD Display cable
    • Use a plastic tool to separate and remove the upper case.

    • Unscrew 5x screws and disconnect:

      • LCD Display cable

      • Additional USB board cable

      • Power jack cable

      • Loudspeaker cable

      • SATA HDD cable

  7. Move a little the LCD display hinge. Remove the board by starting from the right side. Remove the board by starting from the right side.
    • Move a little the LCD display hinge.

    • Remove the board by starting from the right side.

  8. Remove the cooling system. Remove the cooling system. Remove the cooling system.
    • Remove the cooling system.

  9. Open the fan and clean the dust from inside with a soft brush. Open the fan and clean the dust from inside with a soft brush.
    • Open the fan and clean the dust from inside with a soft brush.

  10. Clean the old thermal compound (from the CPU and from the heat-sink system). Put a new thermal compound and start with reassembling. Put a new thermal compound and start with reassembling.
    • Clean the old thermal compound (from the CPU and from the heat-sink system).

    • Put a new thermal compound and start with reassembling.

  11. When you start the system, check that fan is working. . Did you do it successfully?
Conclusion

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

9 other people completed this guide.

ZFix

Member since: 12/09/2013

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5 Comments

A brilliant demonstration really clear and well photographed, only one problem how the !&&* do you get the screws undone mine seem fixed solid

please let me into the secret if there is one.

thanks for the demo anyway.

JF.

alma francomb - Reply

Thanks for this!

My Son and I have just successfully removed, cleaned and replaced the fan in his laptop by following the instructions above.

Great work.

David Cooper - Reply

Thank you a lot !!!!

lone guldbæk kvist - Reply

I think i did something wrong? I completed all the steps but my fan (which is brand new) keeps making this scary loud wizzy noise instead of a hum and did i not tightem the screws enough or they to tight?? Please help!

Layla - Reply

I can’t remove the laptop fan screw because they are too small, what are other alternative if you don’t have one of those small screwdriver?

mkgabudi - Reply

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