X61 status LED problems

Hi All,
i've just bought an used x61 which is working fine, except the LEDs inside LCD cover. I replaced the inverter + LCD ribbon cable + BT module inside, but the only progress what i mention is that the ThinkLight LED is working fine and the Wifi LED only. The others has no light.
Anybody has an idea where can i search the problem?
Thanks, zsici

It sounds like you have a blown fuse on the motherboard. There is a fuse very near the LCD connector that controls those lights. I cannot confirm that it also feeds the lid switch, but it is likely. There are 2 fuses near that area. The larger one drives the backlight and the smaller one is the one you need. The board is multi-layer and uses lead-free (high temperature) solder. If you try to change it without a good soldering station, you are likely to make a mess.

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