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• Main board description： Compatible models：FOR 15 R3 17 R4 Main board number：LA-D751P Warranty：90days matters wanting attention： How to purchase the correct product 1 check the motherboard, spare section number, picture 2 you can’t confirm, you possibly can provide an image of your outdated motherboard After-sales provider 1 will 100% verify the products that occur, whenever you stumble upon problems, please let me know 2 you can’t remedy the difficulty on your own within the end, we can assist the go back and refund If it's best to return the motherboard, we can refund the total amount 3 don't buy the incorrect product, so you will endure all delivery and repair prices cargo The seller recommend the Buydo Standard Shipping If you like immediate shipping order, please desire the DHL EMS Full test: yes Conditions: 100 percent work, Warranty period: ninety days We guarantee that all products might be tested and in good shape before cargo Precautions after mainboard substitute 1 Ensure to put in CMOS battery (battery common voltage 3) 2 The first time you switch at the machine, it will mechanically restart as soon as with out displaying, look forward to about 10 seconds (or the yellow gentle flashes), press and preserve the main for 5 seconds to power the machine to shut down, and then turn on the machine again, it'll automatically restart 3-5 instances and display normally (do now not unplug the power) 3 If the charger isn't the fashioned charger, the battery will not payment when getting into the formulation four The fan rotates at excessive speed, press FN+X (press earlier than coming into the system) five Machines of greater than 5 generations should be geared up with low-voltage reminiscence to demonstrate PC3L should be aware that the low-voltage memory with L is the low-voltage reminiscence

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