Einleitung
Use this guide to replace a broken motherboard on your Dell Latitude E7270.
The motherboard is what links all your components together to move information around. They are susceptible to age, shortages, and physical damage. A broken motherboard may leave your computer not working at all.
Before using this guide, check out the troubleshooting page to see if your symptoms match any that represent a bad motherboard.
This replacement requires a #00 Phillips head screwdriver.
NOTE: This guide requires removal of the back panel, battery, and cooling fan. The extra prerequisite guide steps are included in this guide.
Werkzeuge
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Place the device top down in front of you so that the vents are visible and are furthest from the user.
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Remove the three M2.5 X 5MM screws, located above the battery, with a Phillips #00 screwdriver.
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Remove the 4 pin fan power connector from the motherboard by using your finger and pulling up.
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Remove the four M2.5 X 5MM screws that hold on the rectangular bracket located towards the center of the motherboard using a Phillips #00 screwdriver.
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Remove the three M2.5 X 5MM screws that hold down the circular fan bracket using a Phillips #00 screwdriver.
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Before replacing fan, make sure to place a small amount of thermal paste to ensure proper heat dissipation and long term life.
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Remove the 10 wire connections by using your fingers to separate the connections.
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Remove the thirteen M2.5 X 5MM screws that fasten the motherboard using a Phillips #00 screwdriver.
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Remove the two M2.5 X 8MM external screws that fasten the motherboard from outside using a Phillips #00 screwdriver.
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To reassemble your device, follow these instructions in reverse order.