Note after placing an order: 1. Please provide your computer serial number. 2. Take pictures of the back of the computer case. 3. Take photos of the original motherboard with factory code (e.g., NM-****) and part material number (e.g., FRU PN ******). You have to choose one of three. Leave a message for customer service. So that customer service to check the motherboard, to ensure the normal delivery. Can not be used normally after receiving the goods problem: The first method: Unplug the battery and connect the charging adapter directly. The second method: Unplug the memory. Reinstall the memory or replace the memory or do not install the memory. Third method: the motherboard separately connected to the display try. .
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