x299 Taichi XE won't POST

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   I just remembered that i didnt remove the usb2 and usb3 of the front panel, i will try removing them tomorrow.
As for the ups I bought the 1000 w so i dont have problem... 
i will give you updates tomorrow.
Thanks for the reply

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amerz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote amerz Report Post Thanks(0) Quote Reply Topic: x299 Taichi XE won't POST Posted: 27 May 2018 at 3:04pm
	I just remembered that i didnt remove the usb2 and usb3 of the front panel, i will try removing them tomorrow. As for the ups I bought the 1000 w so i dont have problem... i will give you updates tomorrow. Thanks for the reply

jarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Sep 2017 Location: Estonia Status: Offline Points: 23	Post Options Post Reply Quote jarm Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 2:53pm
	[URL=][/URL]C0 refers to boot device selection. C0 - OEM BDS initialization codes I understood you tried booting with only one stick of RAM? Have you tried reseating CPU? Also when installing CPU cooler, don't overtighten it. Try booting with only CPU, one stick of RAM and GPU installed. To be sure reconnect all motherboard cables also. If it still won't boot I think RMA the motherboard. I replaced both my motherboard and PSU. Replaced Taichi x299 for Taichi x299 XE. PSU was probably the problem. I was confident that it can't be PSU (Seasonic Prime 860W) as it was new and previously working fine. Replaced motherboard and still couldn't boot. After replaced PSU too and this seemed to solve it. Edited by jarm - 27 May 2018 at 2:55pm

jarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Sep 2017 Location: Estonia Status: Offline Points: 23	Post Options Post Reply Quote jarm Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 2:46pm
	C0 is refers to boot device selection. C0 - OEM BDS initialization codes I understood you tried booting with only one stick of RAM? Have you tried reseating CPU? Also when installing CPU cooler, don't overtighten it. Try booting with oy CPU, one stick of RAM and GPU installed. To be sure reconnect all motherboard cables also. If it still won't boot I think RMA the motherboard. I replaced both my motherboard and PSU. Replaced Taichi x299 for Taichi x299 XE. PSU was probably the problem. I was confident that it can't be PSU (Seasonic Prime 860W) as it was new and previously working fine. Replaced motherboard and still couldn't boot. After replaced PSU too and this seemed to solve it.

amerz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote amerz Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 1:34pm
	Thanks for the reply man! But i did try every possible solution, i had it for 3 days I tried with 1 ram and cpu cooler and vga only... Same prblom it cant boot The first day when i had everything on, it gives me C0! And i have gone mad cause there is no such error in the debug, and later days it gives me only A2 I have tried several screen tho and all never had a signal. :(

jarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Sep 2017 Location: Estonia Status: Offline Points: 23	Post Options Post Reply Quote jarm Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 3:28am
	Well at least you are getting A2. I think Dr Debug is not showing errors specifically, but rather status of boot secuence. If Dr Debug shows A2, it means boot secuence got stuck there. A0 - IDE initialization is started A1 - IDE Reset A2 - IDE Detect A3 - IDE Enable I would unplug all attached drives (including usb headers on motherboard), clear CMOS (follow instructions provided in this forum) and try booting. Also check that cables and memory sticks are firmly connected.

amerz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote amerz Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 12:50am
	please can anyone help me, i have i7 7820x 4 Hyper X Fury 16 GB DDR4 2400 i tried gtx 580 and gtx 980ti.. same problem and kingstone SA1000M8 M.2 Aerocool 1000W ups my board lights is on, but cant boot up. always no signal on screen, and getting A2 error, even if i have no sata instaled..

amerz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote amerz Report Post Thanks(0) Quote Reply Posted: 27 May 2018 at 12:42am
	i m having the same problem, my board is giving A2 error, and cant boot up at all...

jarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Sep 2017 Location: Estonia Status: Offline Points: 23	Post Options Post Reply Quote jarm Report Post Thanks(0) Quote Reply Posted: 28 Feb 2018 at 10:33pm
	Highlighting this thread also. As far as I can tell, it's still unresolved. AsRock any comments?

jarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Sep 2017 Location: Estonia Status: Offline Points: 23	Post Options Post Reply Quote jarm Report Post Thanks(0) Quote Reply Posted: 11 Jan 2018 at 5:47pm
	How is your system running? I'm having similar issues with my x299 Taichi and 7820x. Opened a new thread for it. Is your SSD 960 EVO and what firmware? Right now SSD firmware update seems the most likely culprit. I don't update firmware too often. I updated it today and after the update system is not posting. Update itself was successful as no errors were displayed. Latest firmware for 960 EVO came sometime beginning of November I think. Edited by jarm - 12 Jan 2018 at 12:13pm

mostly Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Nov 2017 Status: Offline Points: 7	Post Options Post Reply Quote mostly Report Post Thanks(0) Quote Reply Posted: 23 Nov 2017 at 12:56am
	Got a new board. Without CPU installed it wouldn't power up the Debug display (not surprising). CPU installed and everything went fine. System back in case, all good. Couple reboots later and it's showing the same problem as the first board... It's managed to restart a few times via power off, CMOS reset and power back on. At the moment it's refusing to reboot, and i'm letting the power drain :-( So, likely explanation is something in my setup is incompatible. A second faulty board seems unlikely (even if from the same batch). I just don't see what could be doing this, everything is fine if the board would try to POST. Only additional info, on a couple of occasions after CMOS reset, i'd go into the bios, save and exit, wait for the splash screen to show again then hit the power button to turn everything off. Then the board would stay awake, red led next to the Debug display stays on, until a long power button press. Not sure that helps any :-( EDIT: PC is currently running. Only way i can get it to boot is by holding the CMOS reset switch with the power on, while it's 'stuck'. Works maybe 1 in 10 times. This is a full system inside the case. Edited by mostly - 23 Nov 2017 at 1:24am