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Whether your Acer TravelMate P653-V-6882 begins to overheat, you need to access the I/O ports, or replace the LCD module, then you must remove the mainboard, also known as the motherboard.
Here is a guide on how to access the TravelMate’s mainboard (motherboard), where you then can begin to either remove it and fix any issues you are facing with the internals.
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            Turn the computer over so the base is facing up. 
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            Slide the battery lock to unlock position. 
 
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            Slide the battery release latch to the right. 
 
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            Lift the battery up. 
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            Pull out the battery. 
 
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            Slide the ODD module latch down. 
 
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            Remove the five 7mm Phillips #1 screws. 
 
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            Use the opening tool to separate base door from the bottom of the laptop. 
 
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            Gently pry open the base door by pushing up. 
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            Pull out the base door. 
 
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            Locate the two RAM sticks on the bottom of the laptop. 
 
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            Pinch the two metal pieces holding the RAM sticks in place outwards. 
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            Holding the sides of the RAM, slide the RAM sticks out. 
 
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            Remove the two 7mm Phillips #1 screws. 
 
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            Flip the laptop so that the underside is now facing the bottom. 
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            Open the LCD panel. 
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            Use the flat end of a spudger to push in the six latches. 
 
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            When the latches are pushed in, the keyboard will pop out. 
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            Gently pry up the keyboard. 
 
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            Slide the keyboard forward to access the keyboard cable. 
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            Flip the connector latch up to open it. 
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            Pull out the keyboard cable gently. 
 
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            Turn the computer over, open the LCD panel, and find the smart card cable connector. 
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            Open the smart card cable connector latch. 
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            Disconnect the cable. 
 
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            Find the power button launch board cable connector. 
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            Open the power button launch board cable connector latch. 
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            Disconnect the cable. 
 
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            Find the touchpad and fingerprint board cable connector. 
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            Open the touchpad and fingerprint board cable connector’s latches. 
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            Disconnect the cables. 
 
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            Using the #1 Phillips screwdriver, remove the two screws. 
 
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            Flip the laptop over so that the underside is facing up. 
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            Remove the twelve 7mm Phillips #1 screws. 
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            Remove the five 3mm Phillips #1 screws. 
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            Disconnect the cables connecting to the WLAN module. 
 
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            Flip the laptop so that the underside is now facing the bottom. 
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            Open the LCD panel. 
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            Locate the small gaps between the upper cover and lower case on the left and right side of the laptop. 
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            Insert the opening tool into each gap to separate the one from the other. 
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            Once the upper cover is separated, lift it from the lower case. 
 
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            Detach the transparent tape securing the LCD cable. 
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            Disconnect the LCD cable from the mainboard. 
 
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            Detach the black tape covering the microphone cable. 
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            Disconnect the microphone cable from the mainboard. 
 
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            Open the USB board cable's connector latches. 
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            Disconnect the cables. 
 
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            Disconnect the left speaker cable from the mainboard. 
 
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            Remove the one 7mm Phillips #1 screw. 
 
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            Lift the mainboard at an angle and gently turn it on its side. 
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            Disconnect the LAN cable from the mainboard. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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