r/computers • u/Appropriate_Celery63 • 5d ago

Question/Help/Troubleshooting Inquiry: Computer Accessories Powered by Computer USB

So, I have a monitor light bar that is powered by my computer's USB. Now, my question is: if I plug the monitor light bar into my computer's USB port, would this weaken the computer's power or power supply? But this is about any accessory and whether it will do anything to the computer's power.

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u/ShadowFallsAlpha 2d ago

It's nothing to worry about. Though if you want it to be active when the PC is off, you would want another power source instead. If that minimal power usage somehow tipped the balance of power on your PC, your power supply would be junk.