ASRock Forums : B550 Phantom ITX Motherboard Lights, CPU Cooler, C https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sun, 19 Apr 2026 03:58:04 +0000 Fri, 30 Jul 2021 20:09:26 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=19308 <![CDATA[ASRock Forums]]> https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ <![CDATA[B550 Phantom ITX Motherboard Lights, CPU Cooler, C : Corsair SF750. I specifically...]]> https://forum.asrock.com/forum_posts.asp?TID=19308&PID=89500&title=b550-phantom-itx-motherboard-lights-cpu-cooler-c#89500 Author: SpammingKills
Subject: 19308
Posted: 30 Jul 2021 at 8:09pm

Corsair SF750. I specifically spent extra on it hoping not to run into PSU issues. ]]> Fri, 30 Jul 2021 20:09:26 +0000 https://forum.asrock.com/forum_posts.asp?TID=19308&PID=89500&title=b550-phantom-itx-motherboard-lights-cpu-cooler-c#89500 <![CDATA[B550 Phantom ITX Motherboard Lights, CPU Cooler, C : This sounds like you could have...]]> https://forum.asrock.com/forum_posts.asp?TID=19308&PID=89499&title=b550-phantom-itx-motherboard-lights-cpu-cooler-c#89499 Author: ket
Subject: 19308
Posted: 30 Jul 2021 at 7:57pm

This sounds like you could have a dodgy PSU. What make and model is it?]]> Fri, 30 Jul 2021 19:57:46 +0000 https://forum.asrock.com/forum_posts.asp?TID=19308&PID=89499&title=b550-phantom-itx-motherboard-lights-cpu-cooler-c#89499 <![CDATA[B550 Phantom ITX Motherboard Lights, CPU Cooler, C : Hi! I just finished building my...]]> https://forum.asrock.com/forum_posts.asp?TID=19308&PID=89446&title=b550-phantom-itx-motherboard-lights-cpu-cooler-c#89446 Author: SpammingKills
Subject: 19308
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?
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