Not booting (Fatal1ty B450 Gaming-ITX/ac)

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   Hello everyone and thank you in advance!

Unfortunately my new system is not booting. It has worked before for about a week, but I noticed that my ram was running at only 2133 MHz, and as I tried updating it using Ryzen dram calculator I seem to have broken something...

Asrock Fatal1ty B450 Gaming-ITX/ac
Amd Ryzen 5 3600
G.skill Ripjaws black 3200mhz 2*8gb
Sapphire RX 5700 Pulse
Intel 660p 512gb nvme
Chieftec sfx csn-550c 550w

At first I adjusted the timings, and the PC booted after what seemed like a few boot attempts. Then, I tried to enable xmp profile 1 and go to 3200mhz. Now, when I boot, the fans spin up and lights go on for a second, then shut down without secondary attempts.

I have tried clearing the cmos using a screw driver for 5 seconds on the pins, but no luck (not sure if it has reset). I have disconnected the GPU, and have made sure all wires are connected. The PSU gives off a slight electrical humm while connected.

Does anyone have any idea for what could be done? Could it be possible that I have not reset cmos, since it doesn't boot?

Sincerely,
Sebastian

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Sando Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Feb 2020 Location: Finland Status: Offline Points: 5	Post Options Post Reply Quote Sando Report Post Thanks(0) Quote Reply Topic: Not booting (Fatal1ty B450 Gaming-ITX/ac) Posted: 27 Feb 2020 at 3:07am
	Hello everyone and thank you in advance! Unfortunately my new system is not booting. It has worked before for about a week, but I noticed that my ram was running at only 2133 MHz, and as I tried updating it using Ryzen dram calculator I seem to have broken something... Asrock Fatal1ty B450 Gaming-ITX/ac Amd Ryzen 5 3600 G.skill Ripjaws black 3200mhz 2*8gb Sapphire RX 5700 Pulse Intel 660p 512gb nvme Chieftec sfx csn-550c 550w At first I adjusted the timings, and the PC booted after what seemed like a few boot attempts. Then, I tried to enable xmp profile 1 and go to 3200mhz. Now, when I boot, the fans spin up and lights go on for a second, then shut down without secondary attempts. I have tried clearing the cmos using a screw driver for 5 seconds on the pins, but no luck (not sure if it has reset). I have disconnected the GPU, and have made sure all wires are connected. The PSU gives off a slight electrical humm while connected. Does anyone have any idea for what could be done? Could it be possible that I have not reset cmos, since it doesn't boot? Sincerely, Sebastian

Sando Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Feb 2020 Location: Finland Status: Offline Points: 5	Post Options Post Reply Quote Sando Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 3:10am
	Also, the BIOS has unfortunately not been updated, but the board has been updated after the Zen 2 launch based on the packaging. Sincerely, Sebastian

Sando Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Feb 2020 Location: Finland Status: Offline Points: 5	Post Options Post Reply Quote Sando Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 3:49am
	And I seem to have solved it by keeping the CMOS battery cable disconnected for 10 minutes...

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 3:50am
	make sure power is unplugged or psu switched off and hold power button in for about 5 seconds to discharge all power from psu ..then hold your screwdriver on clear cmos pins for a few seconds. Turn switch back on Psu (or plug power cable back into it) and try to boot. If still doesn't boot, pull both sticks of memory, and then turn on .. then turn off and put just one stick in A2 and then turn on. If still nothing .. try a different PSU.
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|