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• Main board description： Compatible models：FOR DELL Alienware 15 R3 17 R4 Spare section number：CN-0D91R7 Main board number：LA-D753P Warranty：90days subjects wanting attention： How to purchase the proper product 1 verify the motherboard, spare part number, picture 2 you can’t confirm, you would present a picture of your previous motherboard After-sales carrier 1 will 100 percent verify the goods that occur, once you come across problems, please let me know 2 you can’t solve the difficulty by yourself within the end, we can support the go back and refund If it's best to return the motherboard, we are able to refund the full quantity 3 don't buy the wrong product, so you will undergo all transport and repair costs shipment The vendor put forward the Buydo Standard Shipping If you like speedy transport order, please favor the DHL EMS Full test: sure Conditions: 100 percent work, Warranty period: ninety days We be sure that all merchandise can be tested and in good shape earlier than shipment Precautions after mainboard replacement 1 Ensure to put in CMOS battery (battery traditional voltage 3) 2 The first time you switch at the machine, it's going to automatically restart once without displaying, look forward to about 10 seconds (or the yellow mild flashes), press and preserve the most important for 5 seconds to pressure the mechanical device to close down, and then switch on the mechanical device again, it's going to automatically restart 3-5 occasions and show usually (do no longer unplug the power) 3 If the charger is not the fashioned charger, the battery won't fee when coming into the components 4 The fan rotates at excessive speed, press FN+X (press before coming into the system) five Machines of more than 5 generations should be geared up with low-voltage reminiscence to reveal PC3L should be aware that the low-voltage memory with L is the low-voltage reminiscence

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