AMD Motherboards - B550 Phantom ITX Motherboard Lights, CPU Cooler, C

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B550 Phantom ITX Motherboard Lights, CPU Cooler, C

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=19308
Printed Date: 24 Apr 2024 at 9:27am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: B550 Phantom ITX Motherboard Lights, CPU Cooler, C

Posted By: SpammingKills
Subject: B550 Phantom ITX Motherboard Lights, CPU Cooler, C
Date Posted: 26 Jul 2021 at 6:17pm

Hi!
I just finished building my first computer ever using a B550 Phantom ITX Motherboard.

After shutting down my pc, the Motherboard Lights, CPU Cooler, Case Fans, and Ethernet Light don't turn off. The air that comes out of the exhaust is hot and is heating up my room. The air is way way more hot then when my PC is actually in use.

I have enabled Deep Sleep in BIOS, but Deep Sleep On or Off seems to make no difference. I also followed the instructions on the Asrock Forums and Support site saying to enable Fast Boot in Windows Control Panel which also made no changes to my pc after shutdown.

If I hold my power button after shutdown, my fans, motherboard light, and ethernet light turn off for around 3 seconds then whirl back to life.

Does anyone know how to fix this?

Replies:

Posted By: ket
Date Posted: 30 Jul 2021 at 7:57pm

This sounds like you could have a dodgy PSU. What make and model is it?

Posted By: SpammingKills
Date Posted: 30 Jul 2021 at 8:09pm

Corsair SF750. I specifically spent extra on it hoping not to run into PSU issues.