Introduction
- The motherboard of a laptop is a vital piece of your computer, if you find that the performance or functionality of your device is limited, then it may be time for the part to be replaced.
- If you are positive that the motherboard of your Toshiba Tecra z50-a is damaged or causing issues, then it’s time for it to be replaced. Follow this guide to learn how to replace the motherboard of the laptop.
- Before disassembling the laptop, ensure it is powered off and nothing is plugged into the device.
- Remove any rings, bracelets, or any other metal objects from your hands.
Tools
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            Turn off the laptop. 
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            Flip the laptop over so the bottom is facing upwards and the hinges are closest to you. 
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            Remove the fifteen 5 mm screws from the back panel using a Phillips #0 screwdriver. 
 
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            Pull the wired cable up towards the top of the laptop to disconnect it from its socket on the motherboard. 
 
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            Pull towards the bottom of the laptop to disconnect the fan cable from its connector on the motherboard. 
 
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            Lift up on plastic covering over the Wi-Fi card. 
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            Disconnect the black and white coaxial cables from the Wi-Fi card. 
 
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            Grab the middle of the motherboard with your hands and lift up to remove it from the laptop. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.