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

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.

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

  • Unpin the HDD.

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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.

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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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Deck the Halls
With tools and Fix Kits
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

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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.

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

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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.

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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.

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

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Conclusion

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

7 other people completed this guide.

ZFix

Member since: 12/09/2013

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2 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

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