How to replace laptop motherboard

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					How to replace laptop motherboard.




                        STEP 1

                        As with any laptop, start disassembly process with
                        unlocking and removing the battery.




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                        STEP 2

                        Now remove three screws securing the heatsink/CPU cover
                        and remove the cover.
                        Remove two screws from the memory modules cover and
                        remove the cover.




                        STEP 3

                        The laptop on this photo shows 2 memory modules
                        installed (bottom arrow). To remove the memory module,
                        spread the latches on both sides of the module until it pops
                        up at 30 degrees angle. After that grasp the memory
                        module for its sides and pull from the socket. Do the same
                        with the second stick.
                        Now remove two screws securing a metal bracket over the
                        CPU heatsink. Remove the bracket and lift up the heatsink
                        from the CPU. Clean old thermal grease off the CPU and
                        the heatsink.
                        If you need to replace the CPU, you can do it now. Just
                        unlock the CPU socket by turning the screw into "open"
position and carefully lift up the CPU from the socket on
the motherboard. I'll do it in the step 25.



STEP 4

If your heatsink looks like this one, then most likely the
laptop experience an overheating issue. When a laptop
overheats it usually shuts down by itself without any
reason when you ran CPU intensive applications. Clean up
the heatsink and the problem will go away.




STEP 5

At this step remove two screws securing the modem card.
Carefully lift up the modem and disconnect the cable
connected to it (shown with a red arrow).




STEP 6

Remove one screw securing the DVD drive.
Push the lock into "unlocked" position and pull the DVD
drive from the laptop.
STEP 7

Remove two screws from the hard drive door and remove
it.




STEP 8

Pull the hard drive to disconnect it from the motherboard
and remove it. If you are replacing the hard drive, you'll
have to transfer the hard drive bracket. It's easy. Just
remove a few screws on the side of the bracket, remove
the bracket from the old drive and transfer it to a new hard
drive.


          STEP 9

          Now it's time for a fun part.
          Remove all screws marked
          with a red circle and mark      Laptop Parts Expert
          them somehow so you are
          not confused during the
                                            Parts for Toshiba,
                                           IBM, HP, Compaq,
          laptop reassembly.
                                             Dell and other
                                                 brands.

          STEP 10                         Free ground shipping
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          Turn the laptop over and                  $79
          start removing the
          keyboard bezel. You can
          use a flathead screwdriver
          for this step.
STEP 11
                                 Find the Best
                                    Laptop
After you successfully
disengaged all plastic
                              Notebook computer
latches, lift up and remove
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the keyboard bezel.               and news.

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STEP 12

Remove two screws marked
with a red circle and
carefully lift up the
keyboard. Be careful,
                                Laptop Jacks
because you still have a
keyboard cable connected
                               The best source for
to the motherboard.
                              laptop DC jacks and
                                  AC adapters

STEP 13                        Same day shipping
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Turn the keyboard over and
place it on the palmrest.
Remove one screw securing
a metal cover over the
keyboard connector.




STEP 14

Turn the keyboard over
again and place it so you
can access the connector on
the motherboard.
Before you pull the cable
and remove the keyboard,
do not forget to unlock the
connector by moving the
lock (brown part, hard to
see on the photo) away
from the base (white part
pointed with a red arrow)
about 2-3 millimeters.
After the connector is open,
pull the cable and remove
the keyboard. BE VERY
CAREFUL WITH THE
KEYBOARD CONNECTOR.




STEP 15

Disconnect two cables
connecting the laptop
speakers to the
motherboard and remove
the cables from its route on
the top cover.
Remove two screws
securing the laptop
speakers. To remove the
speakers, slide the left
speaker to the left and the
right speaker to the right.




STEP 16

Disconnect the switch board
cable from the motherboard
(be careful with the
connector).
Remove two screws
securing the switch board
and remove it.
STEP 17

Now it's time to remove the
laptop palmrest with the
touchpad.
Remove two screws
securing the palmrest.
Disconnect the touchpad
cable from the
motherboard, the connector
is really small.

STEP 18

Lift up the palmrest and
remove it.
                               Laptop Parts Expert

                                Parts for Toshiba,
                               IBM, HP, Compaq,
                                 Dell and other
                                     brands.
STEP 19
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                                 on all orders over
In this model the wireless               $79
card is located under the
touchpad and you can
remove the wi-fi card right
after you removed the
touchpad.
Disconnect the white (main)
and the black (aux) wireless
antenna cables. Grasp the         Find the Best
                                     Laptop
antenna cable connector
with your fingers and
                               Notebook computer
carefully lift it up. Do the
                                reviews, opinions
same with the second cable.        and news.
After wireless antenna
cables are disconnected,        Laptop reviews by
spread the latches on both       brand and model
sides of the wireless card
until the card pops up.
Remove the wi-fi card from
the slot.
Disconnect the internal
microphone cable (bottom
red arrow) from the
motherboard and remove it.




STEP 20

Remove four screws
securing the laptop top
cover to the laptop base.
Carefully pull the video
cable connector (marked
with a red arrow) from the
connecotor on the
motherboard.
Do not pull for the harness.
Unplug the connector by its
edges.




STEP 21

Lift ut the top cover/display
assembly as it shown on the
photo and remove it from
the laptop base.




STEP 22

Here we are going to
remove the laptop fan.
Unplug the fan cable from
the motherboard and
remove two screws.
Remove the fan and replace
it if needed.
Make sure to blow it off with
compressed air before you
install it back into the
laptop.




STEP 23

Lift up the laptop power
jack from the base.
Disconnect the laptop RTC
(CMOS) battery cable
shown with a red arrow on
the bottom.




STEP 24

Carefully lift up the right
side of the motherboard.
Remove the motherboard
from the laptop base.




STEP 25

I always remove the CPU at
the end because it has a lot
of fragile pins. By removing
the CPU at the end, you
have a better chance not to
damage the CPU while it's
on your bench.
To order to remove the CPU
you'll have to open the
socket first. Turn the screw
into "Open" position and lift
up the CPU.
WHEN YOU INSTALL THE
CPU BACK, DO NOT FORGET
TO LOCK THE SOCKET OR
YOUR LAPTOP WILL NOT
START. Before you install
the heatsink back on the
CPU, apply a thin layer of
new thermal grease. You
can buy thermal grease in
any local computer store or
find it online.
Remove three screws
securing the video board.
Carefully lift up the video
board to disconnect it from
the motherboard.




STEP 26

Laptop is disassembled.
Now you can replace the
motherboard and assemble
it back.




                          STEP 16

                          Remove two screws securing
                          the motherboard and the
                          cooling fan.




                          STEP 17

                          Disconnect the DVD drive
                          cable from the right side of
                          the motherboard.
STEP 18

Lift up and remove the
motherboard.




STEP 19

The laptop motherboard has
been removed.
Turn it over.




STEP 20

Now you can remove the
heat sink, the cooling fan
and the processor.

				
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posted:9/4/2011
language:English
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