Solved: Thinkpad w540 has no backlight

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Nov. 1, 2021, 11:47 p.m.

Thinkpad w540 has no backlight. Might want to replace the fuse. Anybody have board schematics?

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Nov. 1, 2021, 9:59 p.m.

The F3 is the backlight fuse. Replace it with a 0402 size 3A/32V/Fast (ERBRD3R00X) fuse

thank you much

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Oct. 26, 2021, 2:09 a.m.

Check these 2 fuses by your sceen connector. If blown - replace them




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