If you've ever built a PC, you know how frustrating that little red light error can be. Here's how to fix it.
A red light on your motherboard can be as simple and benign as some fancy RGB lighting, or it could mean that a crucial piece of hardware has failed. If you're having trouble with your PC or are finding it just won't turn on at all, and you have a red LED light on the motherboard, it's time to look into it.
Check the manualAlmost every manufacturer uses a different layout and design for their motherboards, and different motherboards from even the same manufacturer can have different features, so it's hard to tell what a red light on your motherboard might be without knowing what model it is. It may be that your motherboard has indicators on it to help you, like in the image of an ASUS motherboard above, but if not you'll need to check the manual.
You might find a simple answer in the manual that will tell you exactly what's wrong . If it doesn't say much about the red light, but you're getting a beep pattern when the system starts, or there are other LEDs or readouts on the motherboard that give you a code during boot, compare those to the manual to see if that helps tell you what the problem is.
You can do this by pressing the BIOS reset button on your motherboard if you have one. Alternatively, remove the power cable, remove the CMOS cell battery from the motherboard, and then press and hold the power button for 30 seconds. Replace the battery and cables, and try again.
Motherboard PC Postcode Red Light
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