Introducción

The fan is a crucial in keeping the laptop cool. Dust on the fan can cause the motherboard to overheat. A broken fan can also cause overheating, which will cause the laptop to shut down unexpectedly. By the design of the Dell Studio 1558, it is hard to get to the fan. Part of the tearing down process is removing the laptop's casing, in order to get to the motherboard. It is important that you never use too much force in any step. Too much force could cause parts to break.

The first step is to flip the laptop over. The first step is to flip the laptop over.
  • The first step is to flip the laptop over.

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Slide the slider to the right and hold it there.
  • Slide the slider to the right and hold it there.

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Gently Remove the battery while holding down the slider. Gently Remove the battery while holding down the slider.
  • Gently Remove the battery while holding down the slider.

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Voila! The battery is removed from the device.
  • Voila! The battery is removed from the device.

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Make sure the battery is properly removed. If not, you could experience shocks. Unscrew the  three screws (Phillips #0) on the back panel to reveal the innards underneath the panel. It is helpful to keep these screws in the holes of the back panel. Pry the back panel off and set aside.
  • Make sure the battery is properly removed. If not, you could experience shocks.

  • Unscrew the three screws (Phillips #0) on the back panel to reveal the innards underneath the panel. It is helpful to keep these screws in the holes of the back panel.

  • Pry the back panel off and set aside.

    • A little bit of force may be necessary in removing the panel as there are some minor plastic clips holding the panel in place in addition to the screws.

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Remove the visible screws with a Phillips #0 Screwdriver. Note that there are a couple different types of screws, so you might want to organize them, unless you love confusion.
  • Remove the visible screws with a Phillips #0 Screwdriver.

    • Note that there are a couple different types of screws, so you might want to organize them, unless you love confusion.

    • There are 6 regular screws.

    • There is one screw marked M 2X3 .

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Disconnect the WLAN (wifi) antenna cables.  These cables connect like button snaps,  so just unsnap them by tugging lightly or gently prying them up away from the WLAN  card. Gather the antenna cables (black, white, and grey) and unwind them from  the clips they are pinned under to keep them from rattling around. The grey cable may be  attached or unattached to the WLAN card depending on  the number of antenna cables your card supports.
  • Disconnect the WLAN (wifi) antenna cables. These cables connect like button snaps, so just unsnap them by tugging lightly or gently prying them up away from the WLAN card.

  • Gather the antenna cables (black, white, and grey) and unwind them from the clips they are pinned under to keep them from rattling around.

    • The grey cable may be attached or unattached to the WLAN card depending on the number of antenna cables your card supports.

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Next you are going to remove the screws from the laptop's base. There are 7 regular screws.
  • Next you are going to remove the screws from the laptop's base.

    • There are 7 regular screws.

    • There is one M2X3 Screw that is where the battery was located.

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Now flip the laptop over and open it up Insert a pry tool under the black  plastic  guard around the edge of the keyboard and pry the guard up.  Plastic snaps are holding the guard in place. You can also do this with your hands once you have enough pried up, but keep in mind that the plastic is thin and capable of breaking if bent too far.
  • Now flip the laptop over and open it up

  • Insert a pry tool under the black plastic guard around the edge of the keyboard and pry the guard up. Plastic snaps are holding the guard in place.

  • You can also do this with your hands once you have enough pried up, but keep in mind that the plastic is thin and capable of breaking if bent too far.

  • Place the keyboard guard in a safe location out of harm's way.

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Take the Philip's screwdriver and unscrew the two screws that attach the keyboard to the casing. Once the screws are out, gently tip the keyboard up to view the ribbon cable beneath. A ribbon cable connects the keyboard to the motherboard. Be gentle removing the keyboard as to not damage the ribbon cable beneath.
  • Take the Philip's screwdriver and unscrew the two screws that attach the keyboard to the casing.

  • Once the screws are out, gently tip the keyboard up to view the ribbon cable beneath.

    • A ribbon cable connects the keyboard to the motherboard. Be gentle removing the keyboard as to not damage the ribbon cable beneath.

  • Carefully unlatch and remove the ribbon cable from the motherboard by lifting up the black tab (with a spudger or finger) and slipping the cable out.

  • Put the keyboard off to the side. Make sure it is in a secure location that is cannot be easily knocked over.

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Remove M2. 5x5 screws (6 total) Remove M2x3 screws (5 total)
  • Remove M2. 5x5 screws (6 total)

  • Remove M2x3 screws (5 total)

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Let's undo some cables! Disconnect the ribbon from the ZIF (Zero Insertion Force) connector by flipping up the small black flap with a spudger or fingernail and removing the cable using the blue tab to pull away. Undo both bundled cable connectors by  pulling collectively on the wires and helping it along with a spudger to disconnect.
  • Let's undo some cables!

  • Disconnect the ribbon from the ZIF (Zero Insertion Force) connector by flipping up the small black flap with a spudger or fingernail and removing the cable using the blue tab to pull away.

  • Undo both bundled cable connectors by pulling collectively on the wires and helping it along with a spudger to disconnect.

  • Once the cables are disconnected, unthread the cables from their grooved paths in the upper housing.

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Now, to remove the rest of the upper casing (the silver part which includes the touchpad). This step is going to take  a little strength and a lot of patience. Take the flat edge of a pry tool and slip it between the upper and lower casings.
  • Now, to remove the rest of the upper casing (the silver part which includes the touchpad).

    • This step is going to take a little strength and a lot of patience.

  • Take the flat edge of a pry tool and slip it between the upper and lower casings.

    • The silver and black upper panel (which held/surrounded the keyboard) is meant to be removed as one piece. Try to avoid pulling up only the silver portion as it will damage the plastic pins holding it in place.

  • Pry the upper casing up with the pry tool. You will hear some snaps as it comes loose. Those are supposed to happen.

  • Once you got enough lifted up, you can take your hand and pry it up that way.

    • If a part of the case is being very stubborn, double check to make sure any screws have not been forgotten.

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Disconnect any visible cables that you can spot and access. There are 5 bundled cables that you can removed by gently tugging on the gathered wires as you assist it's exit with a spudger.
  • Disconnect any visible cables that you can spot and access.

    • There are 5 bundled cables that you can removed by gently tugging on the gathered wires as you assist it's exit with a spudger.

    • Disconnect the ZIF connector by pulling up the black flap with a fingernail or spudger and then pulling the ribbon cable away.

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Remove the screws from the board that are labeled B.  There should be 6 of them. We're going to  remove the DVD/CD Drive next, so make sure that the two ribbons that are next to the CD drive are disconnected.
  • Remove the screws from the board that are labeled B. There should be 6 of them.

  • We're going to remove the DVD/CD Drive next, so make sure that the two ribbons that are next to the CD drive are disconnected.

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The next step will be to remove the CD/DVD drive from the laptop. Unscrew  the two silver screws  attached to the motherboard. Then unscrew the black screw attaching it to the motherboard close to the outer edge of the laptop.
  • The next step will be to remove the CD/DVD drive from the laptop.

  • Unscrew the two silver screws attached to the motherboard.

  • Then unscrew the black screw attaching it to the motherboard close to the outer edge of the laptop.

  • Lift the CD ROM slightly, and disengage it from the motherboard.

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Disconnect two more bundled cables you're now able to access with the CD/DVD drive removed. Disconnect two more bundled cables you're now able to access with the CD/DVD drive removed. Disconnect two more bundled cables you're now able to access with the CD/DVD drive removed.
  • Disconnect two more bundled cables you're now able to access with the CD/DVD drive removed.

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Lift the motherboard up and out of the case and set the case aside. This should be really simple. If it is a struggle to lift the motherboard out, then there might be a forgotten screw, or a ribbon still connected. Flip the motherboard over to find the fan and heat-sink.
  • Lift the motherboard up and out of the case and set the case aside.

    • This should be really simple. If it is a struggle to lift the motherboard out, then there might be a forgotten screw, or a ribbon still connected.

  • Flip the motherboard over to find the fan and heat-sink.

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Remove the 5 black screws around the edge of the fan. Lift up the black plate Evict any dust bunnies you find inside. (We found a monster.)
  • Remove the 5 black screws around the edge of the fan.

  • Lift up the black plate

  • Evict any dust bunnies you find inside. (We found a monster.)

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In order to completely remove the fan you will need to remove the heat sink from the motherboard. Unscrew the six silver screws that attach the fan casing to the motherboard.
  • In order to completely remove the fan you will need to remove the heat sink from the motherboard.

  • Unscrew the six silver screws that attach the fan casing to the motherboard.

  • Gently pull up the square portion of the copper piping as that covers the processor.

    • When reassembling, it's best practice to properly reapply a thermal paste between the heat sink/pipes and the processor after cleaning the old paste off; failure to do this could cause your processor to overheat, making your computer sluggish, and eventually fail. (You can find other guides on iFixit for how to apply/remove thermal paste.)

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Undo the cable connector buy pulling  firmly on all of the gathered cables  together and away from the board. At this point, most fan replacements include the casing that surrounds the fan. If necessary (depending on the part purchased) remove the three screws on the back (two black and one silver). With these screws removed the fan  itself should fall right out of the heat sink.
  • Undo the cable connector buy pulling firmly on all of the gathered cables together and away from the board.

    • At this point, most fan replacements include the casing that surrounds the fan.

    • If necessary (depending on the part purchased) remove the three screws on the back (two black and one silver). With these screws removed the fan itself should fall right out of the heat sink.

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Conclusión

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

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