Help!! What is the function of "White button" on mainboard

Discussion in 'Laptop Hardware' started by manman, Jun 8, 2018.

  1. manman


    Jun 8, 2018
    Likes Received:
    i have a notebook - fujitsu LH532. Since it was slow, I reinstall from win8 to win7 with USB. After that, I need to plug in the same USB for booting and enter to windows. Thus, i reset bios and aim at change boot sequence via remove the cmos / the battery on mainboard. I do not know how to disassemble notebook, so i only can reach a part of mainboard rudely.
    I press the "White button" (i guess it is the button for clear bios). Then, i power on notebook. There is nothing shown on screen!! The power button flash and cannot enter to windows.

    Can someone help me to solve such problem. Thank you some much!!

    Attachment: the "White Button" on mainboard
    manman, Jun 8, 2018
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