Switch Power Button Board For LENOVO Yoga Pro 9 16IMH9 83DN LS691 USB 5C50S25651
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About this item
When a laptop will not switch on or a side port stops responding, the fault can sit on a small daughterboard. This new power button board for the Lenovo Yoga Pro 9 16IMH9 (machine type 83DN) is listed under part number 5C50S25651 and board code LS691, with USB noted in the title.
How do I know this Yoga Pro 9 power button board fits my laptop?
Match the model on the bottom label to 16IMH9 / 83DN, then compare the part number or LS691 marking on your old board.
- Diagnose first: rule out battery and charger issues before swapping parts.
- Cable: ask whether a connecting ribbon cable is included.
- Photos: compare connector positions with your existing board.
- Repair skill: follow a teardown guide and disconnect the battery first.
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