After bios update, monitor shows "No signal"

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   Hello from South Korea. Before I introduce my question, I'll show you my spec

ASRock a320m-hdv r4.0
AMD Razen5 3500
Zotac Nvidia 1660 super
Geil 16gb pc4 21330/2666mhz

I brought and got these items 2 days ago and assemble it
Shows no signal on monitor
So I search some webs and know that gail ram and amd motherboard some trouble.
I have another Samsung ram so I changed it and PC turns runs well.

then I tried update motherboard bios(some people said it may help detect gail ram)
I updated it to A320M-HDV R4.0(2.30) and don't remember what it's original version
(sticker placed in MB said p3.70)

after update bios, the monitor shows no signal both samsung and gail ram.

Tried 15minuet put off coin battery / short the reset pins

is there any other methods to reset CMOS bios?
or do I have to send it to manufacture?

I stay here so any realtime responses are very grateful.

Thanks

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Dent Kim Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Apr 2020 Location: South Korea Status: Offline Points: 4	Post Options Post Reply Quote Dent Kim Report Post Thanks(0) Quote Reply Topic: After bios update, monitor shows "No signal" Posted: 04 Apr 2020 at 1:26pm
	Hello from South Korea. Before I introduce my question, I'll show you my spec ASRock a320m-hdv r4.0 AMD Razen5 3500 Zotac Nvidia 1660 super Geil 16gb pc4 21330/2666mhz I brought and got these items 2 days ago and assemble it Shows no signal on monitor So I search some webs and know that gail ram and amd motherboard some trouble. I have another Samsung ram so I changed it and PC turns runs well. then I tried update motherboard bios(some people said it may help detect gail ram) I updated it to A320M-HDV R4.0(2.30) and don't remember what it's original version (sticker placed in MB said p3.70) after update bios, the monitor shows no signal both samsung and gail ram. Tried 15minuet put off coin battery / short the reset pins is there any other methods to reset CMOS bios? or do I have to send it to manufacture? I stay here so any realtime responses are very grateful. Thanks

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: 04 Apr 2020 at 1:50pm
	did you have the power unplugged from the computer and hold in the power button for a few seconds to discharge all residual power from the mobo before pulling the cmos battery and shorting the pins?
	\|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\|

Dent Kim Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Apr 2020 Location: South Korea Status: Offline Points: 4	Post Options Post Reply Quote Dent Kim Report Post Thanks(0) Quote Reply Posted: 04 Apr 2020 at 2:06pm
	I did. Press it several times AND press it 10 secs

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: 04 Apr 2020 at 2:42pm
	so you downgraded from 3.70 to 2.30? .. you might need to grab a 2000 series cpu and install it and then reflash bios to 3.70 to be able to use your 3000 series cpu again ..
	\|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\|