POS Screen not showing on monitor over D.Port

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   Hi there,
Just changed my video card to Asus GTX1080 from RX580 and now my monitor does not show POS screen to enter the bios but boots into windows without any problems.

With HDMI there is no problem.

I've disabled CSM to solve the issue as done on some sources but system stopped booting and turned into BIOS screen.

My board is AB350 Pro4 with 3.3 bios.

Is there any solution?

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cronus75tr Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Nov 2017 Status: Offline Points: 12	Post Options Post Reply Quote cronus75tr Report Post Thanks(0) Quote Reply Topic: POS Screen not showing on monitor over D.Port Posted: 19 Dec 2017 at 4:26pm
	Hi there, Just changed my video card to Asus GTX1080 from RX580 and now my monitor does not show POS screen to enter the bios but boots into windows without any problems. With HDMI there is no problem. I've disabled CSM to solve the issue as done on some sources but system stopped booting and turned into BIOS screen. My board is AB350 Pro4 with 3.3 bios. Is there any solution?
	Asrock AB350 Pro4

MisterJ Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 19 Apr 2017 Status: Offline Points: 1097	Post Options Post Reply Quote MisterJ Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 12:00am
	cronus75tr, no answer, just want to know what the POS screen is. Enjoy, John. EDIT: What button(s) are you using to open BIOS? Have you tried the ASRock "Restart to UEFI" utility? Edited by MisterJ - 20 Dec 2017 at 12:46am
	Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD

zlobster Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 02 Sep 2017 Status: Offline Points: 403	Post Options Post Reply Quote zlobster Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 12:26am
	Maybe he meant POST screen?
	1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB

MisterJ Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 19 Apr 2017 Status: Offline Points: 1097	Post Options Post Reply Quote MisterJ Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 12:39am
	zlobster, I was wondering if cronus75tr meant Piece Of S...? Enjoy, John.
	Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD

zlobster Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 02 Sep 2017 Status: Offline Points: 403	Post Options Post Reply Quote zlobster Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 1:38am
	Lol, I was wondering the same. He (she?) looks like a non-hater (in contrast to me), so I just assumed. But yeah, better to clarify.
	1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB

cronus75tr Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Nov 2017 Status: Offline Points: 12	Post Options Post Reply Quote cronus75tr Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 3:25pm
	So you guys didn't understand "my monitor does not show POS screen to enter the bios"... to enter the bios??? Sorry mistyped but, I think there is no intention to help...
	Asrock AB350 Pro4

zlobster Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 02 Sep 2017 Status: Offline Points: 403	Post Options Post Reply Quote zlobster Report Post Thanks(0) Quote Reply Posted: 20 Dec 2017 at 9:16pm
	Intention is there. We were just curious what EXACTLY did you mean. Another guy here just solved a similar issue with his AB350M by performing some 'CMOS rest boot'. Please search for the topic and try the same thing.
	1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB