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Brand New NM-A311 Laptop Motherboard For Lenovo G40-30 mainboard ( with N2840 CPU ) Use ddr3l PC3L low voltage memory 100% work
Our test passed:
1 . CPU and RAM Settings. Turn on the power to check whether the screen is working properly.
2 . check WLAN, WIFI signal and Internet access.
3 . confirm the functions of DVD and SD card reader.
4 . install fan, WIFI card, battery, keyboard, touch pad, DVD,
5 . play music to determine whether the audio and earphone plugs are normal.
6 . check the touch screen, USB slot and all indicators.
7 .build switch of external test screen.
8 . check whether the battery can be charged and unloaded normally.
9 . run 3D test.
10 . restart the window. Thanks again for your support and trust！
