Assembled my tower, monitor shows no input

[Gmotyl]

Hello, I recently built my PC (Ryzen 5 4500, ASRock b450m-HDV r4.0 board, and a GTX 1050 ti). I try to access the BIOS and after mashing the delete button for a while, it just shows no input. I have tried swapping out the HDMI cord from the motherboard to the GPU. I have double and triple check my cables and my keyboard will also not power on. I am wondering what the problem would be. Thank you in advance.

 

edit: it could also be a problem of hitting the wrong button, only the caps button and WIN button are illuminated.

[Levent]

That CPU might require a BIOS update for that motherboard. B450 boards were updated to support Zen2 3xxx CPUs. Zen2+ APU/APU derived chips and newer Zen3 CPUs are not plug and play compatible.

[Middcore]

5 minutes ago, Gmotyl said:

I try to access the BIOS and after mashing the delete button for a while, it just shows no input.

Does anything appear on the monitor before you do this? Like the ASRock logo maybe? Or does the display remain blank the whole time?

[Gmotyl]

Just now, Middcore said:

Does anything appear on the monitor before you do this? Like the ASRock logo maybe? Or does the display remain blank the whole time?

It says No HDMI input for a few seconds, and then says going into standby mode, no logos of any kind besides dell (brand of monitor)

[Gmotyl]

3 minutes ago, Levent said:

That CPU might require a BIOS update for that motherboard. B450 boards were updated to support Zen2 3xxx CPUs. Zen2+ APU/APU derived chips and newer Zen3 CPUs are not plug and play compatible.

Thanks, that is one of the things I saw but I dont know how I would update it, I do not have any other CPU's on hand and there does not appear to be any BIOS flashback button

[Needfuldoer]

10 minutes ago, Gmotyl said:

Thanks, that is one of the things I saw but I dont know how I would update it, I do not have any other CPU's on hand and there does not appear to be any BIOS flashback button

You'll need a compatible CPU to flash your board. I recommend looking for one supported by "ALL" BIOS revisions on the compatibility list, since you don't know which version is currently on there.

 

https://www.asrock.com/mb/AMD/B450M-HDV R4.0/index.asp#CPU

 

You could also see if there's a local PC shop in your area that can flash the BIOS for you, or lend you a first gen Ryzen.

 

If you bought your motherboard and CPU new, you can request a loaner CPU from AMD under warranty. (At least I think they still offer this service.)

 

https://www.amd.com/en/support/kb/faq/pa-100

[Gmotyl]

3 minutes ago, Needfuldoer said:

You'll need a compatible CPU to flash your board. I recommend looking for one supported by "ALL" BIOS revisions on the compatibility list, since you don't know which version is currently on there.

 

https://www.asrock.com/mb/AMD/B450M-HDV R4.0/index.asp#CPU

 

You could also see if there's a local PC shop in your area that can flash the BIOS for you, or lend you a first gen Ryzen.

 

If you bought your motherboard and CPU new, you can request a loaner CPU from AMD under warranty. (At least I think they still offer this service.)

 

https://www.amd.com/en/support/kb/faq/pa-100

ok, thank you so much