How to take apart a Dell D630c laptop step by step. How to replace a motherboard on a Dell D630c.

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Dell D630 with faulty video processor. Shows duplicate image.

 

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Screen with checker box caused by faulty video process.

 

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Disconnect power cord and turn laptop to facedown. Remove
all the screws.

 

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Unlatch and slide out battery.

 

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With screws remove gently slide out hard drive.

 

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Eject the pull handle by pushing it in. Pull the handle to
remove CD/DVD drive(note: There might be a screw at the bottom securing the
drive, remove it if present.)

 

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Remove screw and remove memory cover.

 

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Spread the latches outward and the memory will pop up for
removal.

 

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Remove the power button panel user a small flat head
screwdriver.

 

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Gently lift up the power button panel.

 

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Remove the screws that are holding down the keyboard.

 

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Screws removed. You can now remove the keyboard.

 

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Lift the keyboard from the corner.

 

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Gently lift up the keyboard.

 

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Here you will find the second memory stick.

 

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To remove to keyboard , first you need to remove and lift
the retaining bracket.

 

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Spread the retaining bracket carefully then lift it up.
Pull the blue tab to disconnect the keyboard.

 

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Keyboard removed.

 

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Top view without the keyboard.

 

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Removed the second memory module.

 

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To remove the LCD panel first you will need to disconnect
the wireless antenna cables.

 

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Unplug the cables from the wireless card.

 

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Pull the blue tab on the LCD cable to disconnect it from the
motherboard.

 

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Remove the two LCD screws from the back.

 

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Close-up view of LCD screw.

 

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Disconnect the Mobile Broadband Network antenna cables.

 

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Hold the LCD panel on both end and lift it upward.

 

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LCD is now disconnected from the laptop.

 

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LCD removed.

 

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Remove 3 palm rest screws( They are marked with the letter
“P”.

 

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Cooling fan assembly.

 

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Let’s move on to removing the palm rest.

 

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Best to start from the back center by separating the palm
rest with your fingers and work your way around.

 

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Don’t force it. If all screws are removed it should come
apart with little force.

 

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Once the back is unsnapped, push the palm rest slightly
forward to unhook it of the palm rest from the front of the base.

 

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Palm rest is now separated from the base.

 

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Heatsink 

 

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Disconnect the touch-pad cable from the systemboard.

 

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Lift it from the edge of the connecter. (Don’t pull on the
cable)

 

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Use a small screwdriver to lift the other end.

 

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The palm rest is now off.

 

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 Full view without palmrest.

 

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Remove the WLAN card.

Release the card by pushing the metal securing tabs away
from the card until the card pops up slightly.

 

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You can now pull the card out.

 

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Release the Wireless WAN card by pushing the metal securing
tabs away from the card until the card pops up slightly.

 

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Slide the card out at a 45-degree angle.

 

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Remove the screw holding the modem card to the motherboard.

 

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Disconnect the cable from the modem.

 

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All communication cards removed.

 

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Loosen the four captive screws.

 

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Lift the assembly from the CPU.

 

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The vent is clogged up with dust.

 

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CPU and GUP with stock copper shim.

 

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Turn the locking screw to release and remove the CPU.

 

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Disconnect the speaker from the systemboard.

 

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Pull the blue tab to disconnect the PC Card reader
connector.

 

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Disconnect the connector from the systemboard.

 

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Remove the 4 hex screws on the back of the computer.

 

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Remove the 4 systemboard screws.

 

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Disconnect the cooling fan cable from the systemboard.

 

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Lift the systemboard out of the base.

 

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System board is out.

 

Well
done! You’ve just disassembled a laptop.

 

 

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Remove CPU from old board if haven’t done so earlier.

 

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Put new replacement board in. Add memory and CPU back.

 

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Clean out old thermal compound with alcohol wipe.

 

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This alcohol wipe came with the replacement board.

 

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All clean.

 

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Clean dust off heatsink air vent and put it back.

 

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Don’t forget to reattach all the connectors.

 

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Check all the connectors. (Trust me on this one. Happened
to me many time)

 

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Snap the palm rest back to the base, put all the cards and
memory back in the top memory slot then reconnect LCD panel.

 

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Test the system for power up before putting all the screws
back.

 

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New systemboard is installed and system is back in business.