F5F Stay Refreshed Hardware Desktop The cable is connected either into the port or secured with tape inside the case.

The cable is connected either into the port or secured with tape inside the case.

The cable is connected either into the port or secured with tape inside the case.

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Brummer0815
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12-15-2025, 10:46 AM
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I recently set up a Cooler Master Hyper 212 EVO RGB Black Edition and ensured all cables were properly connected. The RGB header is connected so the arrow points to the 12V pin on the motherboard connector. However, when I power on the system, the RGB lights flicker briefly before turning off again, and it doesn’t respond after logging in. All other RGB features and lighting from the PC are functioning normally. My PC is a prebuilt Lenovo model, and the RGB software for Lenovo doesn’t recognize this setup. I’m considering purchasing a separate RGB controller soon but need advice on handling the current connection. Should I keep it plugged in or unplug it and hide it inside the case? I’m worried about short circuits since the RGB cable isn’t fully secured, and I also fear it might not be safe to leave it active. Could either option damage my PC? The system runs smoothly and the CPU cooler fans operate correctly. Source: Cooler Master product page and RGB header image.
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Brummer0815
12-15-2025, 10:46 AM #1

I recently set up a Cooler Master Hyper 212 EVO RGB Black Edition and ensured all cables were properly connected. The RGB header is connected so the arrow points to the 12V pin on the motherboard connector. However, when I power on the system, the RGB lights flicker briefly before turning off again, and it doesn’t respond after logging in. All other RGB features and lighting from the PC are functioning normally. My PC is a prebuilt Lenovo model, and the RGB software for Lenovo doesn’t recognize this setup. I’m considering purchasing a separate RGB controller soon but need advice on handling the current connection. Should I keep it plugged in or unplug it and hide it inside the case? I’m worried about short circuits since the RGB cable isn’t fully secured, and I also fear it might not be safe to leave it active. Could either option damage my PC? The system runs smoothly and the CPU cooler fans operate correctly. Source: Cooler Master product page and RGB header image.

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