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My PC doesn't display the bios screen and boots straight into Windows

My PC will not boot into BIOS at all. I did a CMOS reset. I went to Advanced Settings to UEFI. I have tried everything. Tried booting without HDD’s, nothing. I don’t know if its a CPU issue or a Motherboard issue or even a Monitor issue. I cant get into my BIOS at all. I personally don't think my PC is skipping the BIOS but it's just not coming up on my display because as soon as I boot I see a brief “input not supported” message appear on my monitor it then goes away and I boot into windows like normal. I am running onboard graphics for now and I have seen people suggest that could be the problem but have found no fix can someone please help me.

I have been looking for a fix for this for weeks and I have no clue what to do. I may just let my PC rest and see if it fixes itself.

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Hi @jchap2506 ,

What is the make and model number of the PC or the motherboard if a custom build?


Hello the make of my motherboard is a b450 aorus elite.


did all things but have same problem. not found a solution.

I tried with delete key, but in screen is black and monitor is blink with blue button. after press ctrl+Alt+Del its again reeboot and straight screen to windows. not showing Boot Menu .. 😰


Have you tried all the function keys?


Probably the GOP on a graphics card


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Hi @jchap2506

Have you tried disabling fast startup and check if you can get into BIOS with a display, as you didn't mention doing this? Press the Del key to enter BIOS during POST i.e. after Startup but before Windows boots

Check if you have the latest motherboard drivers installed i.e. BIOS and chipset. The video drivers for BIOS are stored in BIOS so perhaps there is a problem there.

Here are links for b450 aorus elite motherboard Rev (1.x) and Ver.2 (1.x). They are different so if you decide to update make sure that you get the correct ones.

Also do one at a time and check before doing the second, perhaps the chipset drivers first.

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I can’t really help too much without being there in person but there are some things you can try:

  • Try using a different keyboard or mouse to enter the BIOS.
  • Make sure you are pressing the correct key to enter into the BIOS.
  • Check the Manuel, if you don’t have it; most manufacturers’ websites will have the manual.
  • Try another monitor; maybe that will help.
  • If all else fails. Contact your manufacturers’ support center.

I’m afraid all I can offer is those tips.

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Hello. Thanks but I don't have any way to try to enter the BIOS due to the display been blank with a display not supported message showing.


Then try another display, unless you can’t.


I have and It has worked on some displays which is why I think it is to do with either my current display or something wrong with my APU.


Then it appears to be that your display is not able to display the BIOS. So the problem is with your display. Especially if it works on other displays. Try updating the monitor or installing the correct drivers and see if that helps.


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Based on the information you provided, it seems like there might be a problem with the monitor or the graphics card. The “input not supported” message that appears on your monitor indicates that the resolution or refresh rate of your monitor is not compatible with the output signal from your graphics card. This could be caused by a number of factors, including outdated drivers, incorrect display settings, or a faulty graphics card.

  1. Change the display settings: If the resolution or refresh rate of your monitor is not set correctly, you may see the “input not supported” message. To change the display settings, right-click on your desktop and select “Display settings”. Under “Resolution”, select the recommended resolution for your monitor. Under “Refresh rate”, select the recommended or default rate. Save the changes and restart your computer.
  2. Check the graphics card: If none of the above steps work, there may be a problem with your graphics card. Try removing the card and using the onboard graphics to see if that resolves the issue. If it does, you may need to replace your graphics card.

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Jacob Chapman sera éternellement reconnaissant.
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