System hang at b2

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   Dear Koikun,

Greetings, this is ASRock TSD.

Generally, debug code b2 means that system is in starting process. 

Please try to press [F9] load BIOS default and then [F10] in BIOS page to observe if it will work.

Also please try to install only one memory module to different slot by turns to verify.

Thanks!

All the best,
ASRock TSD

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8922	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: System hang at b2 Posted: 04 Dec 2019 at 11:36am
	Dear Koikun, Greetings, this is ASRock TSD. Generally, debug code b2 means that system is in starting process. Please try to press [F9] load BIOS default and then [F10] in BIOS page to observe if it will work. Also please try to install only one memory module to different slot by turns to verify. Thanks! All the best, ASRock TSD

Koikun Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Nov 2017 Status: Offline Points: 16	Post Options Post Reply Quote Koikun Report Post Thanks(0) Quote Reply Posted: 04 Dec 2019 at 11:09am
	Dear All, Sometimes my system hangs on POST with code b2. Press keyboard and mouse no reaction and also no display on screen. I need to restart several times and then it can work again. Now my BIOS is 3.1 and my board is X470 Taichi, please help!