[Solved] No Signal, Access to BIOS

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bliblablub

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Hello!

Yesterday i saw that Windows downloaded and installed a “Micro-Star INT'L CO., LTD – System – 1.0.0.XX” update and today I can’t use my pc anymore.

If I click the power button it starts, but it gets no signal using DP, HDMI;
I don’t even hear through the headset that windows starts;
And the main board (MSI B450 Gaming Pro Carbon AC) has a red LED on VGA.

So I expect that my main board now has issues because of the above mentioned update? It’s the only thing I can think of.

What can I do to solve the issue?
 
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When the BIOS stalls at VGA (Memory, CPU or Boot) it means it is stuck before Windows loads. This means the installation of the driver is coincidental.

Could you post a list of components of your system as described in the Posting guide?
 
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Board: MSI B450 Gaming Pro Carbon AC
BIOS: 7B85v1H7(Beta version) or 7B85v1H4(Beta version). I think I have the H7 but I’m not 100% sure.
VGA: MSI RTX 2070 Armor
PSU: be quiet straight power 11 (E11-550W)
CPU: AMD Ryzen 5 2600
MEM: 2x8GB, 3200 MHz G.Skill Ripjaws DDR4
HDD/SSD: 1x Samsung Evo 870 1TB, Crucial MX500 2.5” 500GB
COOLER: be quiet Dark Rock 4
Keyboard: Razer Blackwidow TE Chroma V2
Mouse: Razer Viper 8Khz, USB
OC: ?
OS: Windows 11 64bit Professional (Samsung) and LMDE 7 (Crucial)
 

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I am bit confused about the red LED. On my board the CPU LED is red and the GPU (VGA) LED is white. Can you double check with the text on your motherboard what the red LED points to?

While opening the case double check the PSU connections of your GPU. You have a quality PSU but it is from 2018 so it may be starting to come of age How old is your PSU? Do you have another GPU or PSU availabe for testing?
 
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This board already had a Flash BIOS Button, so I'd probably flash the latest BIOS version first: https://www.msi.com/Motherboard/B450-GAMING-PRO-CARBON-AC/support

The procedure:
1. Download the latest BIOS from the MSI support site for your board and extract it.
2. Take a USB stick and format it to FAT32 (it's best for it to have a size of 32 GB or less). You can also try Rufus for formatting, as FAT32 non-bootable.
3. Rename the extracted (!) BIOS file to MSI.ROM and save it to the root of your USB flash drive / USB stick (not in a subfolder).
4. Plug the USB flash drive / USB stick that contains the MSI.ROM file into the marked Flash BIOS Port (!) on the rear I/O panel.
5. With the PC off (!), press the Flash BIOS Button, and the LED should start flashing for about 5-8 minutes and then the board reboots.

Anything drastically different (under a minute of flashing, or over 10 minutes of flashing) and the flashing didn't work, so you can abort and try with a different USB stick (sometimes the board can be very picky as to which USB drive it will accept). After ten minutes it will never finish.

If that doesn't help, another easy thing to try next is to unplug the SSDs for a test, because in rare cases, a drive with a problem can actually trigger the VGA LED too. Should it get to the BOOT LED then and show the BIOS, add them back to see which one it was. After this, you could try to borrow a different GPU for a test. The PSU was a really good model, I don't immediately suspect problems from it yet at this point (although you never know until you rule it out, but I'd try some other things first).
 
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ericj159802e9 said:
I am bit confused about the red LED. On my board the CPU LED is red and the GPU (VGA) LED is white. Can you double check with the text on your motherboard what the red LED points to?

While opening the case double check the PSU connections of your GPU. You have a quality PSU but it is from 2018 so it may be starting to come of age How old is your PSU? Do you have another GPU or PSU availabe for testing?
Click to expand...
Mine is red.
1787436658051.png

I think the build is from 2019 so yeah the age of the PSU could be a point.
My brother also has a pc so I could maybe test it with the components from him. But I will try tomorrow to flash the bios like citay proposed.
 
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As mentioned, it was an upper-class PSU model with top-shelf Japanese capacitors, so usually there is no need to suspect anything bad yet at this point. It's not like it was some low-end model that uses cheap Chinese capacitors and an inefficient design that causes higher temperatures inside the PSU.

Having said that, it's always good to rule out the PSU completely, by testing with a different known good PSU, connected on-the-fly using its own cables. But objectively, it's better to exhaust other options first, unless you'd have another PSU at the ready.
 
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I tried 2 usb sticks with each of the 2 most recent bios versions and I see nothing happen when I press that button. The manual says the led is next to the button but I can’t even see one. Is it supposed to always light up even when the main board can’t find anything?
I also formatted one with a different laptop.

Would you now try to use another usb stick, try formatting it with rufus or try to change the gpu or psu?
 
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I'd focus on the BIOS flashing now. Make sure to 100% stick to the procedure. One mistake and it won't work. For example one guy tried it when the PC was already running, it doesn't work, it has to be off when you press the button. You can try formatting it with Rufus, yes.

If you can easily borrow another GPU for a test, then do that, maybe you can boot with that, and then I'd update to the latest BIOS via M-FLASH and try again with your card. Put the PSU on the back burner for now, unless you can easily test with another one.
 
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I didn’t change anything and now it seems to do the flash. Started at :26 so it should finish about :3X. At the moment the CPU light now shines red and vgu is off.
 
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But the BIOS is updated now, right? Then it's back to basics, like unplugging the SSDs for a test (you'll know very quickly if they have any involvement or not). Then, borrowing a different GPU for a test. And finally perhaps test with a known good PSU.
 
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Yes, everything up to date. Only changed in the bios settings the pcie settings to the newest gen, resize thing and ram to 3000.

The ssds can be ruled out, so it will probably have todo something with the gpu or psu. Idk when I will look at it.
 
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The gpu from my brother also doesn’t fix anything.
He has some psu with integrated cables so i will test it with a psu from a friend or family to not unplug anything from him.
 
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