[SOLVED] No display after enabling secure boot ?

KushBukush

Prominent
Jan 19, 2020
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Guys after enabling secure boot and enrolling the platform key, my pc isn't starting or booting. Also i can't access to the bios menu because its not giving video out.

Already tried by resetting cmos. But nothing changed. I can't try to boot it up with integrated graphics because my cpu is a F one.

Specs :
Msi h410m pro
I3 10100F
Sapphire rx 570

And sometimes "vga" ez debug led is keep lighted up.

It seems keyboard is working fine and caps,num,scroll locks keys are working.

Soo what I can do?
 

KushBukush

Prominent
Jan 19, 2020
11
2
525
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Guys thanks all. I found a solution and It worked for me. So I'm posting it here and It will be a help to someone else

You will need another PC And a Pen drive

  1. Create a bootable Pendrive with any OS. Here I used Ubuntu. Make sure that the partition type must be GPT
  2. Turn off the computer and remove all cables except power, monitor, keyboard, and mouse.
  3. At the moment in my pc, there was no SSD or HDD was plugged in.
  4. Plug the Pen drive directly to the motherboard (yea to back panel)
  5. Boot up the computer. You will not see any change. Just restart the monitor by its power button. Not from the wall socket.
  6. Then you will be in the bios menu.
Hope that will work for anyone.
 

Secret-Squirrel

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Sep 12, 2020
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Already tried by resetting cmos. But nothing changed.
The following is taken from page 17 of your motherboard's user manual. Is this what you tried?:

Resetting BIOS to default values
1. Power off the computer and unplug the power cord.
2. Use a jumper cap to short JBAT1 for about 5-10 seconds.
3. Remove the jumper cap from JBAT1.
4. Plug the power cord and power on the computer.


If you need further help then here's the direct link to the PDF version of your manual.
 

KushBukush

Prominent
Jan 19, 2020
11
2
525
1
The following is taken from page 17 of your motherboard's user manual. Is this what you tried?:

Resetting BIOS to default values
  1. Power off the computer and unplug the power cord.
  2. Use a jumper cap to short JBAT1 for about 5-10 seconds.
  3. Remove the jumper cap from JBAT1.
  4. Plug the power cord and power on the computer.


If you need further help then here's the direct link to the PDF version of your manual.
Yes, but it didnt change anything
 

Secret-Squirrel

Prominent
Sep 12, 2020
167
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Disconnect the power cable then hold in the power button for ten seconds or so.

That tip does occasionally fix problems like yours. If it doesn't then do you have another graphics card to try as the VGA LED indicates GPU failure.
 

KushBukush

Prominent
Jan 19, 2020
11
2
525
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Disconnect the power cable then hold in the power button for ten seconds or so.

That tip does occasionally fix problems like yours. If it doesn't then do you have another graphics card to try as the VGA LED indicates GPU failure.
Tried but still same.
Also tried with another gpu, ram and psu. Nothing happens.
 

ravin_29

Commendable
Mar 24, 2019
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If you don't have thermal paste, do not try right now. If thermal paste is not adequate or if not correctly applied, it might overheat the CPU. Get some good thermal paste before trying this.
Personally on my AMD systems, I have messed up with BIOSes a few time but when ever there was a boot failure, resetting CMOS always worked for me so far. In a rare case you might have either corrupted BIOS or failed mobo merely coincidently happening around the same time. But I consider it as a last probability.
 

ravin_29

Commendable
Mar 24, 2019
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This is obvious but just check once. When there's no display. Just switch off monitor and then switch it back on and see if it displays anything. While it should not be the case, as rx570 is uefi capable, but may be there's some incompatibility between secure boot and your GPU's BIOS? Ideally clearing CMOS should have worked. Try shorting the CMOS clear pins longer, may ne 30 seconds and re-try.
 
Last edited:

KushBukush

Prominent
Jan 19, 2020
11
2
525
1
. While it should not be the case, as rx570 is uefi capable, but may be there's some incompatibility between secure boot and your GPU's BIOS? Ideally clearing CMOS should have worked. Try shorting the CMOS clear pins longer, may ne 30 seconds and re-try.
I'll give it a try. At the same time I contacted the msi through tickets because they dont offer live chat to my region. They told me to switch off monitor for while and check again. But that didnt fixed the problem.

Btw I tried to boot the computer with my pen drive which is installed ubuntu setup. It seems the pc is booting up with it because there was no any debug led indicated. But still no display outputs. Keyboard capslock,numlock etc was responding. At the moment nvme and hdd was not plugged in.

I also checked by booting it up without the pen drive to check if any debug led is lighting and boot led lighted up.
 

KushBukush

Prominent
Jan 19, 2020
11
2
525
1
Guys thanks all. I found a solution and It worked for me. So I'm posting it here and It will be a help to someone else

You will need another PC And a Pen drive

  1. Create a bootable Pendrive with any OS. Here I used Ubuntu. Make sure that the partition type must be GPT
  2. Turn off the computer and remove all cables except power, monitor, keyboard, and mouse.
  3. At the moment in my pc, there was no SSD or HDD was plugged in.
  4. Plug the Pen drive directly to the motherboard (yea to back panel)
  5. Boot up the computer. You will not see any change. Just restart the monitor by its power button. Not from the wall socket.
  6. Then you will be in the bios menu.
Hope that will work for anyone.
 

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