Introduction
Use the plastic opening tool as much as possible when removing the back cover to prevent damaging it. The USB board is fairly easy to replace however use care when un-plugging and re-plugging the blue 16 pin plug connecting the USB to the motherboard in steps 10 and 11.
Replacing the USB board is a last resort solution for a malfunctioning USB port. Check out the trouble shooting page of this guide before jumping immediately to part replacement.
Tools
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Remove the SD card in the bottom of the computer by pressing the SD card in, and it will pop out.
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Pull out the SD card completely and set aside.
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Remove the two rubber screw covers on the bottom of the plastic cover using the plastic opening tool.
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Unscrew the two 6.35 mm PH#1 screws that were underneath the rubber covers.
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Use the plastic opening tool along the outer rim of the bottom portion of the back panel.
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Take off this portion.
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Remove three 6.35 mm screw from the back panel using a PH#2 or J1 screw driver.
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Unscrew the two 6.35 mm PH#2 screws. They aren't able to be completely removed and will just be loosened similar to step 3.
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Release the stand by pressing the large button on the left so that it is easier to take the back case off.
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Use the plastic opening tool to separate the silver back cover from the screen body.
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As shown in picture two, use the tool around the stand as well to avoid cracking the cover.
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Slowly apply pressure to the outsides of the cover until it pops out of place.
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Carefully lift the cover away from the computer and untangle it from the stand.
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To reassemble your device, follow these instructions in reverse order.
please where can I get the replacement battery
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tosinwil -