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Affiliate Disclosure
Button Light Guide may earn a commission when you buy through certain links on this site. This does not change the price you pay.
Affiliate links do not control our troubleshooting advice. We only recommend checking or replacing parts when it makes sense for the specific light pattern, device, and source material.
Some lights indicate normal setup, charging, pairing, firmware updates, or connection attempts. In those cases, buying replacement parts may not help.
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How affiliate links may be used
Button Light Guide may recommend replacement parts, cables, batteries, labels, filters, or accessories when they are directly relevant to a troubleshooting page. We do not want affiliate links to replace the actual fix. The guide should still be useful even if a visitor never clicks a product link.
When a manufacturer source says to check a cable, battery, filter, or part, we may include a related product suggestion in the future. We will avoid forced, unrelated, or misleading product placement.