Introduction
Wi-Fi card replacement may be done when the Wi-Fi card is suspected to be damaged. Take a look at the troubleshooting page before starting this guide to review the typical issues.
Tools
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Locate two notches above the battery.
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Slide both battery locking notches to either side to remove the battery.
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Pull the battery out.
 
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Using the Phillips #0 screwdriver, unscrew the one 5mm screw.
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Using the blue plastic opening tools, wedge one in between the back panel and the laptop.
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Carefully remove the back panel..
 
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Use the spudger or fingers to gently pull the optical drive out.
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Slide the optic drive away from the laptop.
 
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Remove the eight 5mm Phillips #0 screws using a Phillips #0 driver.
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Also remove the three 5mm Phillips #0 using a Phillips #0 driver.
 
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Insert a plastic opening tool into the back cover and the housing of the body.
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Use the plastic opening tool to pop open the clamps that hold the casing onto the back cover.
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Work your way around the all sides to completely take off the back cover.
 
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Remove one 5mm Phillips #0 screw using a Phillips #0 driver.
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The Wi-Fi card will rise up itself after removing the Phillips #0 screw. Pull it out away from the slot.
 
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To reassemble your device, follow these instructions in reverse order.