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Use this guide to replace the motherboard on your RIM BlackBerry 7290.
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Apply pressure to the lock button on the back of the device.
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Slide the battery cover down towards the bottom of the device, revealing the battery compartment.
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Locate groove along the right side of the battery compartment.
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Remove battery by prying between the battery and the groove.
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Slide the SIM card holder to the left to unlock the SIM card.
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Lift the SIM card holder up.
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Gently remove the SIM card from the SIM card holder by sliding the card along the railing.
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Locate the four screws along the perimeter of the back casing.
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Remove the four top screws using a T-6 torx screwdriver.
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Locate two screws within the lower edge of the inner compartment.
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Remove the two bottom screws using a T-6 torx screwdriver.
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Use the plastic opening tool to apply pressure on the two clips that are located at the bottom of the phone.
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Remove the back casing from the phone by lifting the unhooked portion, then slide the casing towards the top of the device.
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Locate on the backside of the phone, a screw towards the top of the device.
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Using a T-6 screwdriver, remove the screw.
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After the screw has been removed, carefully lift the side button brace to reveal the side button.
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To remove the phone's internals, start by loosening one side by pulling gently.
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With one side loosened, simply lift the phone internals to separate from the front casing.
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Turn the internals over to reveal the LCD display.
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Peel off the rubber keypad buttons from the face plate.
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Locate a hook on the right side of the internals below the volume wheel.
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Use a plastic opening tool to gently pry the hook, separating the LCD display from the logic board mounting plate.
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With the clip unhooked, gently separate the display from the phone internals by pulling.
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On the front side of the internals, locate the the three screws that are highlighted in red.
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Carefully remove screws from the internals, using a T6 torx screwdriver
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Separate the logic board mounting plate from the logic board by lifting with minimal force.
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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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Cal Poly, Team 19-6, Maness Fall 2009 crwdns2935289:0Cal Poly, Team 19-6, Maness Fall 2009crwdne2935289:0
CPSU-MANESS-F09S19G6
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hi wonder if you can help or give me advice on my device. its not turning on looks like it turns on with the hour glass turning but nothing happens
my device doesn't want to switch on its just the hour glass on the screen that turns on the screen but its not turning on?
