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T480 B140QAN02.3 too dim

T430-T495, T530-T590 Series
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bmt
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Joined: Sun Mar 02, 2025 4:04 pm
Location: Stuttgart, Germany

T480 B140QAN02.3 too dim

#1 Post by bmt » Tue Aug 19, 2025 1:09 pm

Hello everyone,
Just got my panel today, swapped it with a B140QAN02.3 HW5A. The problem is my image is way too dim even in OS.
Tried it again with the old stock panel, and the old eDP cable works 100% fine, so I assume the backlight fuse is still intact.
Any suggestions on how to troubleshoot this.

Thx
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