Not having a good day...black screen, no POST...pls help!

darrenkarp · 31 Dec 2023 at 21:01

Hi All,

Today didn't go so well for me. I rebuilt my PC with an MSI Z790-P Wifi with 32GB DDR5 Corsair Vengeance RAM, a Intel i5 13600KF CPU and a WD 1TB black NVMe SSD. Wired it all up to discover the mobo has 2 x 8-pin CPU power connectors and my PSU only has one. I tried it in the CPU PWR 1 socket, added my Zotac 3080 GPU, connected up my monitors and turned it on. All lights were on but nothing was being displayed on the monitors. I thought it was the GPU so I put my old RTX 2070 in instead but still the same problem...black screens, no beeps...could this be the PSU guys?

Cheers
Daz

darrenkarp · 31 Dec 2023 at 21:14

I didn't try CPU PWR 2. I did get an orange LED on the mobo and the memory and GPU all list up. don't know if that makes any difference.

darrenkarp · 1 Jan 2024 at 11:23

pastymuncher said:
You should only really need the second 8 pin for overclocking and the high end power guzzling cpu's like the 12900/13900/14900k, anything else should be fine with a single 8 pin. You have the 8 pin (usually 4+4 pin) plugged into the left power socket? What make and model is the psu?

It's an EVGA 600 watt

darrenkarp · 1 Jan 2024 at 11:25

Tetras said:
I assume you're already aware about waiting awhile for DDR5 systems on first boot? They can take a very long time.

I wasn't aware of that. How long is long and there's nothing on the NVMe to boot. I was waiting for the BIOS screen on one of my three monitors. The proc I have is the KF model so assume no point in plugging in one of my monitors to the the mobo HDMI port. How would I know what output of the GPU to plug a monitor to if it will POST?

darrenkarp · 1 Jan 2024 at 11:26

wookiee87 said:
i would say the board is trying to train the memory, ddr5 has very long training interval if its the first time booting i would give it around 5mins at least, with any luck you will get a post screen saying new cpu installed, from here you can go in and set up xmp, adjust any more settings you like save and exit, be patient for the ram as it will need to train at the xmp settings you have applied. With any luck it will boot up and away you go to install windows or load in if already done.

I hope so and I'll give that a try. The card has 4 outputs, 3 DP and 1 HDMI. How do I know what output it will use to POST to?

darrenkarp · 1 Jan 2024 at 15:46

Thanks very much. That's what just happened when I was trying to setup my triple overview in Eve Online. The power went completely off for a second then it restarted!

The other thing which is really annoying is I cannot get into the BIOS now. Basically if I restart and hammer the DEL key, one of the monitors flashes colours and this will continue until I press the power button on the case turning it off then turn it back on again and allow it to reboot into windows...any ideas?

Cheers!

darrenkarp · 1 Jan 2024 at 15:54

It was doing that before I changed it from HDMI to DP. Really annoying.

darrenkarp · 1 Jan 2024 at 16:27

Thanks. I'll give that a go. I'll also look into a new PSU!

darrenkarp · 2 Jan 2024 at 10:17

So as an update I have a new PSU coming. A Corsair 1000w model so no shortage of power hopefully. As far as getting into the BIOS is concerned, the only way I can do this currently is by asking Windows to shut down rather than restart, then turn the PC back on and press the DEL key. Any ideas?

darrenkarp · 2 Jan 2024 at 11:19

Not sure on the EVGA model number as at work. Any ideas though on the BIOS issue?

darrenkarp · 2 Jan 2024 at 14:18

Thanks very much. I'll give that a go. TBH I'm not a fan so far of the MSI BIOS and the manual the mobo came with has literally no info on it.

darrenkarp · 2 Jan 2024 at 16:56

pastymuncher said:
It could be Fast Boot bypassing the bit that allows you to do the prompt to enter the bios. Power down the pc and switch off at the mains and either clear cmos which will set everything to default or remove the bios battery for 10 minutes which will do the same.

You could also create a shortcut to restart and boot into the bios (I have done this myself). Right click a blank space on the desktop and select new shortcut. Copu and paste shutdown /r /fw /f /t 0 (last digit is zero) as the location. Hit next then name it whatever you like then finish. When you double click on it the pc should reboot into the bios.

I should have added that if I press restart then spam the DEL key one of the monitors begins to flash different colours, grey, white, blue then something that resembles a test pattern and this repeats until I press the power button to turn it off.

darrenkarp · 2 Jan 2024 at 17:59

That didn't go so well either. I still needed to shut down in order to get into the BIOS. Here's a pic of what I saw when I just tried a restart then pressing the DEL key.

imgur.com

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and a video of what happens normally

imgur.com

Discover the magic of the internet at Imgur, a community powered entertainment destination. Lift your spirits with funny jokes, trending memes, entertaining gifs, inspiring stories, viral videos, and so much more from users.

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darrenkarp · 2 Jan 2024 at 20:30

Everything works absolutely perfectly as long as I shut down the PC (issuing Shut down rather than Restart from the menu) then turn her on then press the DEL key. The board was brand new and static bag sealed BTW and is on the current firmware. As I said, I can get into the BIOS but only by performing the above steps whereas I'm more used to pressing restart then hitting the DEL key until the BIOS screen appears on my other mobo's in the past.