msi Z370 motherboard white led

teletubby_po

To infinity and beyond.
FIRST LIEUTENANT
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Apr 6, 2020
Messages
960
That's a PCIe bandwidth indicator, red means PCIe running at x16 mode, white means x8, x4, or x1.
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teletubby_po

To infinity and beyond.
FIRST LIEUTENANT
Joined
Apr 6, 2020
Messages
960
PCIe 1 should operate at PCIe 3.0 x 16 by default. press F6 to load default settings in BIOS, then F10 to save and exit.
1626921757487.png

if it's still white LED, can you list out your complete hardware configuration?
 
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