Introduzione

This requires some disassembly before you can access the cooling system. Once you have completed that, removing and replacing the fans is very quick and easy.

Parti

Nessuna parte richiesta.

Make sure that the computer is turned off and is disconnected from external power source.
  • Make sure that the computer is turned off and is disconnected from external power source.

  • Turn it upside down and locate the battery release switch.

Introduction: Parts: Need to add the Fan Part Numbers

Original equipment: CPU Fan DC28A000820, GPU Fan DC28A000920

John Frazier - Replica

While holding the switch in the open position, lift out the battery.
  • While holding the switch in the open position, lift out the battery.

  • If you plan to work on any internal laptop components, press and hold the power button for 5 seconds. This will dissipate any residual charge on the motherboard to prevent electrical shock when you begin to handle it.

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  • Remove the 12 Phillips #1 screws from the edges of the lower case.

  • You may also need to remove the central screw next to the lock icon.

Need to add a step to open the Wi-Fi cover, uper left with the Microsoft label on it. Then detach the Wi-Fi antenna wires from the pc board.

John Frazier - Replica

  • Turn the computer back over and tilt the screen open.

  • Use the plastic opening tool to carefully pry the panel out as shown in the pictures

  • Remove the plastic panel carefully.

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  • Use the small Phillips head screwdriver to remove the screws circled in red.

  • Gently lift the keyboard up and rest it just below the screen as shown in the picture.

  • The keyboard will still be connected to the motherboard.

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  • Before removing the keyboard completely, use the plastic opening tool to gently lift the clamp connecting the keyboard to the motherboard.

  • Once the keyboard has been disconnected, remove the keyboard completely.

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  • Using a Phillips head screwdriver, remove the screws shown in the image. They all have the letter "P" next to them.

  • Carefully unplug the connections shown.

  • Don't forget the display cable. It is slightly to the right of the Dell logo at the top.

  • Also, the wireless cables on the right side may prevent moving the upper case out of the way.

  • Once the screws have been removed and the connections unplugged, use the plastic opening tool to gently separate the panel from the lower case.

It probably better to leave the small blue battery to the left plugged in for the Bios Chip. Just lift the batter out of its holder and move it out of the way as the cover is moved. If unplugged the computed will ask you to run setup when you start the computer.

John Frazier - Replica

  • Remove the plastic case by gently bending back towards the screen. You can bend the screen all the way back if that helps.

  • For the motherboard the optical drive will be removed already. However for the lower case it is not necessary that it be taken out.

  • If you are having trouble removing the upper plastic case (and LCD) from the lower case, there may still be a wire connected to the Wi-Fi adapter. Turn the laptop over, open the Wi-Fi module access panel and remove the + and - leads for the Wi-Fi antenna.

Need to add a caution when rotating the cover to be careful with the hinge post on the right side. you can snag the GPU heat pipe as you rotate the cover. So watch the maneuver.

John Frazier - Replica

  • Locate the two fans as shown

  • We will begin by removing the left fan first

  • You should be aware that the 2 fans are unique and have 2 different part numbers. CPU fan on left is part # DC28000010L. GPU fan on right is part # DC28A000920.

For the Dell 1705 the CPU Part Number “Original Equipment” is DC28A000820. The GPU Fan Part number is correct for this Dell laptop

John Frazier - Replica

  • Remove the two screws indicated in the first picture.

  • Remove the lead also shown

  • The fan should lift out with ease. Do not force out.

Need too add a note to blow out all the dust bunny’s before installing the new fan.

John Frazier - Replica

  • Remove the two screws indicated.

  • Remove the lead also indicated in the picture

  • Once the lead and both screws are removed, the fan should lift out with ease. Do not force out.

Also need a not here to blow out all the dust bunny’s here too.

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Conclusione

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

Altre 6 persone hanno completato questa guida.

Evan Fairchild

Membro da: 05/10/2010

571 Reputazione

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Team

Cal Poly, Team 22-5, Maness Fall 2010 Membro di Cal Poly, Team 22-5, Maness Fall 2010

CPSU-MANESS-F10S22G5

4 Membri

11 Guide realizzate

I bought a new cooling fan from DELL but it does not work after installing it. The computer works fine but not the cooling fan. I double and triple checked the power connection but still it doesn't work.

Is there anything I can do to get power to the fan?

Thank you.

john

mrmsje - Replica

My Dell Inspiron E1705's processor fan was making sad, dying, and most importantly loud sounds. I ordered the part numbers from Ebay and followed this guide. It worked!

A few notes : I ordered the part numbers from Ebay, and originally was going to replace both the GPU and CPU fan. I decided to only replace the Processor fan because while the part number for the GPU fan and the shape/look of the GPU fan was identical, the GPU fan from Ebay was manufactured by Toshiba.

When opening the case, something was attached the the upper right hand corner (maybe the wifi?) I managed to maneuver around and get to the fans without taking the case all the way out.

The new fan works very well. I couldn't have done it without the guide, very helpful! It took me about 15 minutes start to finish.

Mince - Replica

I replaced one of the fans, but didn't realize they were two different sizes. At any rate. I tried to reassemble so I could see if it was still working, but now it won't boot. I also have 4 small screws that don't fit into the outside case holes, so I must have mixed up some screws somewhere. Is there a way to tell what screws go in what holes? And what might I have forgotten to plug in to get this issue? Also, in step two, there is a small cover on the edge of the bottom. I took the cover off and there is a connecter in there. Does anyone know what that is for?

breezy2u - Replica

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