Question New PC won’t POST with 3070 Ti GPU installed, but same GPU works on other computers ?

Jan 6, 2025
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I built a new pc today, the only parts that remained the same from my old computer are my GPU, SSD, and Hard Drive. For some reason whenever my gpu is plugged in the computer cant move past the VGA stage of post. The computer can however boot from the IGpu if the gpu isn't plugged in.

Here are things I have tried:
  • Disabling and enabling EXPO
  • Disabling and enabling Fast Boot'
  • Disabling and enabling Secure Boot
  • Disabling and enabling Native ASPM
  • Switching gpu to the other PCIE slot
  • Trying to post without any drives in and just one stick of ram
  • Removing the CMOS battery for 5 minutes
  • Tested that gpu posted in another system (it did)
  • Bought a new PSU
  • Switch default graphics device in BIOS to the IGpu (this made the yellow boot light turn on, but never actually posts)
  • Set the PCIE slot to PCIE 3 in BIOS (Same yellow light issue)

BIOS Version 3067 x64 (have not tried other versions - I dont have a USB drive to install it onto and this is the latest stable build)

Old specs:
I5 10600k, Asus Prime B550M Motherboard, 750W Seasonic FOCUS PSU, 24Gb of Corsair vengeance ram, and a gigabyte 3070ti GAMING OC

New specs:
Ryzen 7 9700x, Asus TUF Gaming B650-E, and 32Gb of Kingston Fury 6000Mhz DDR5 Ram, Thermaltake Toughpower 850W Psu, gigabyte 3070ti GAMING OC

According to ASUS support they can’t help because the GPU isn’t on the officially supported list for their motherboard, but it’s 2024, and I don’t believe that’s the problem.

Is there any other steps I can take to troubleshoot myself?
 
Welcome to the forums, newcomer!

Thermaltake Toughpower 850W Psu
Thermaltake have a number of units under the Toughpower series. Can you pass on images of what you see on the stickered side of the PUS?

BIOS Version 3067 x64 (have not tried other versions - I dont have a USB drive to install it onto and this is the latest stable build)
I'd advise that you reflash the BIOS with the same BIOS version using the BIOS FlashBack button on the rear, following this guide;
View: https://youtu.be/frQApIktgyM

different board but the principle remains the same.

Once you've reflashed the BIOS, clear the CMOS like so:
Disconnect from the wall and display, then remove the CMOS battery, press and hold down the power button for 30secs to drain any residual power, then replace the CMOS battery after 30mins.

According to ASUS support they can’t help because the GPU isn’t on the officially supported list for their motherboard, but it’s 2024, and I don’t believe that’s the problem.
That isn't exactly an answer. If you got an Asus GPU that's when they'll spring into action?

See if that helps.

Considering you will need to reinstall the OS, since you migrated platforms, you should try and install the OS in offline mode, using a recreated bootable USB installer and the iGPU(having the discrete card disconnected until you can install all drivers that are the latest version in an elevated command, i.e, Right click installer>Run as Administrator.
 
Welcome to the forums, newcomer!

Thermaltake Toughpower 850W Psu
Thermaltake have a number of units under the Toughpower series. Can you pass on images of what you see on the stickered side of the PUS?

BIOS Version 3067 x64 (have not tried other versions - I dont have a USB drive to install it onto and this is the latest stable build)
I'd advise that you reflash the BIOS with the same BIOS version using the BIOS FlashBack button on the rear, following this guide;
View: https://youtu.be/frQApIktgyM

different board but the principle remains the same.

Once you've reflashed the BIOS, clear the CMOS like so:
Disconnect from the wall and display, then remove the CMOS battery, press and hold down the power button for 30secs to drain any residual power, then replace the CMOS battery after 30mins.

According to ASUS support they can’t help because the GPU isn’t on the officially supported list for their motherboard, but it’s 2024, and I don’t believe that’s the problem.
That isn't exactly an answer. If you got an Asus GPU that's when they'll spring into action?

See if that helps.

Considering you will need to reinstall the OS, since you migrated platforms, you should try and install the OS in offline mode, using a recreated bootable USB installer and the iGPU(having the discrete card disconnected until you can install all drivers that are the latest version in an elevated command, i.e, Right click installer>Run as Administrator.
For the PSU
The exact model is the: GF A3 ATX 3.0 850W

Reflashing BIOS
They updated the bios for me at the store and made sure it posted with the cpu and ram but you’re right I should reflash it, I don’t have a USB Drive so I’d have to goto the store to buy one tommorow.

CMOS Reset
Is it worth trying to reset the cmos battery again now before I can reflash? I did it once already but I only had it out for about 5 minutes so it may not have been long enough.

ASUS Support
Yeah basically, I think it’s just a way of them being able to cover themselves from having to help.

OS
I Wasn’t planning to reinstall the OS since I’m just using my old drives, however I did uninstall all graphics drivers just incase, but the issue is with posting anyway so it’s before it even gets to OS.
 
For the PSU
The exact model is the: GF A3 ATX 3.0 850W

Reflashing BIOS
They updated the bios for me at the store and made sure it posted with the cpu and ram but you’re right I should reflash it, I don’t have a USB Drive so I’d have to goto the store to buy one tommorow.

CMOS Reset
Is it worth trying to reset the cmos battery again now before I can reflash? I did it once already but I only had it out for about 5 minutes so it may not have been long enough.

ASUS Support
Yeah basically, I think it’s just a way of them being able to cover themselves from having to help.

OS
I Wasn’t planning to reinstall the OS since I’m just using my old drives, however I did uninstall all graphics drivers just incase, but the issue is with posting anyway so it’s before it even gets to OS.

1. follow the bios flash back to letter including the renaming of the file or it wont work.

2. yes you can reset the cmos before a reflash it wont damage anything.

3. asus tech support is always laughable if they have a gpu support list on hand for every gpu then im a dragon.

4. make sure both ram are in the light grey slots. 2 and 4 on the motherboard.

do not install any nvme or other harddrives etc from previous system should be left disconnected as it may try booting into a old version of windows.
 
1. follow the bios flash back to letter including the renaming of the file or it wont work.

2. yes you can reset the cmos before a reflash it wont damage anything.

3. asus tech support is always laughable if they have a gpu support list on hand for every gpu then im a dragon.

4. make sure both ram are in the light grey slots. 2 and 4 on the motherboard.

do not install any nvme or other harddrives etc from previous system should be left disconnected as it may try booting into a old version of windows.
I reflashed the bios and currently have the CMOS battery out of the system, when I put it back in and try to post should I have the GPU in or post on the IGpu, and should I just have all drives disconnected for now as I only have drives from my old pc?

Ram is in the second and fourth slot, properly seated.
 
I reflashed the bios and currently have the CMOS battery out of the system, when I put it back in and try to post should I have the GPU in or post on the IGpu, and should I just have all drives disconnected for now as I only have drives from my old pc?

Ram is in the second and fourth slot, properly seated.

yes all hardrives removed.

you can try posting with gpu out or in.

the 9700x has a intergrated gpu so you can just plug the hdmi into motherboard or display port.

also give it a few minutes as ddr5 takes time to train on ryzen am5
 
I reflashed the bios and currently have the CMOS battery out of the system, when I put it back in and try to post should I have the GPU in or post on the IGpu, and should I just have all drives disconnected for now as I only have drives from my old pc?

Ram is in the second and fourth slot, properly seated.

with graphics nvidia 3070 ti plugged in.

with you running of the intergrated graphics in bios change the following

  1. Access the BIOS settings when the system boots
  2. Go to the Advanced menu
  3. Select Graphics Configuration
  4. Change the Primary Display setting to the desired option ( pci) not igpu as thats intergrated graphics.
  5. Select Exit Menu
  6. Select Save Changes and Reset to reboot the system
 
1. follow the bios flash back to letter including the renaming of the file or it wont work.

2. yes you can reset the cmos before a reflash it wont damage anything.

3. asus tech support is always laughable if they have a gpu support list on hand for every gpu then im a dragon.

4. make sure both ram are in the light grey slots. 2 and 4 on the motherboard.

do not install any nvme or other harddrives etc from previous system should be left disconnected as it may try booting into a old version of windows.
I reflashed the bios and currently have the CMOS battery out of the system, when I put it back in and try to post should I have the GPU in or post on the IGpu, and should I just have all drives disconnected for now as I only have drives from my old pc?

Ram is in the second and fourth slot, properly seated
yes all hardrives removed.

you can try posting with gpu out or in.

the 9700x has a intergrated gpu so you can just plug the hdmi into motherboard or display port.

also give it a few minutes as ddr5 takes time to train on ryzen am5
with both drives and removed after cmos reset and bios flash I seem to be getting the exact same behaviour as before, without the gpu plugged it can post normally. With the gpu in the white VGA light turns on and never turns off, however I haven’t tried giving it more then a couple minutes because I didn’t think it could be a ram training issue since it posts without the gpu in fine.

To be clear it won’t post at all if the GPU is in, even if the monitor is plugged into the motherboard.
 
with graphics nvidia 3070 ti plugged in.

with you running of the intergrated graphics in bios change the following

  1. Access the BIOS settings when the system boots
  2. Go to the Advanced menu
  3. Select Graphics Configuration
  4. Change the Primary Display setting to the desired option ( pci) not igpu as thats intergrated graphics.
  5. Select Exit Menu
  6. Select Save Changes and Reset to reboot the system
The default setting already has PCIE Video as the primary video device.
 
I reflashed the bios and currently have the CMOS battery out of the system, when I put it back in and try to post should I have the GPU in or post on the IGpu, and should I just have all drives disconnected for now as I only have drives from my old pc?

Ram is in the second and fourth slot, properly seated

with both drives and removed after cmos reset and bios flash I seem to be getting the exact same behaviour as before, without the gpu plugged it can post normally. With the gpu in the white VGA light turns on and never turns off, however I haven’t tried giving it more then a couple minutes because I didn’t think it could be a ram training issue since it posts without the gpu in fine.

To be clear it won’t post at all if the GPU is in, even if the monitor is plugged into the motherboard.
Try powering off your pc and unplugging the dp/hdmi cable. Power on your pc with the gpu cable unplugged. Then power off again. Plug the dp cable back into the gpu then power on. See if this turns off the white led.
 
try setting the options i mentioned see if it posts when forced to use pci e.
The default setting is PCIE and it doesn’t post. Interestingly though if it’s set to IGpu and the gpu is plugged in at all, even if the display is plugged into the motherboard, but instead of being stuck at the white VGA light, it gets stuck at the yellow BOOT light, and still doesn’t post.
 
The default setting is PCIE and it doesn’t post. Interestingly though if it’s set to IGpu and the gpu is plugged in at all, even if the display is plugged into the motherboard, but instead of being stuck at the white VGA light, it gets stuck at the yellow BOOT light, and still doesn’t post.
Try powering off your pc and unplugging the dp/hdmi cable. Power on your pc with the gpu cable unplugged. Then power off again. Plug the dp cable back into the gpu then power on. See if this turns off the white led.
 
The default setting is PCIE and it doesn’t post. Interestingly though if it’s set to IGpu and the gpu is plugged in at all, even if the display is plugged into the motherboard, but instead of being stuck at the white VGA light, it gets stuck at the yellow BOOT light, and still doesn’t post.

make sure the cable for the hdmi or display port isnt being obstructed from making full contact at the back sometimes it can be as simple as the hdmi or display port not properly seated due to a piece of metal pushing the cable far enough out. i had a piece of metal at the back of my case that caused this issue i had to adjust the card slightly before tightening up at the back to make sure all the ports where properly accessable.
 
The default setting is PCIE and it doesn’t post. Interestingly though if it’s set to IGpu and the gpu is plugged in at all, even if the display is plugged into the motherboard, but instead of being stuck at the white VGA light, it gets stuck at the yellow BOOT light, and still doesn’t post.

others have had similar issues with white led. which is why i posted that part.

 
others have had similar issues with white led. which is why i posted that part.

I read through that thread and unfortunately that solution didn’t work for me, and I tried it with both the dp plugged into my 1440p 165hz monitor and hdmi into my 1080p 75hz monitor.

The cable is fully plugged in, I unscrewed the gpu from the case to move it down just to make sure and the cable is for sure in good. The monitor does turn on when I turn on the pc so there is something that goes through it.
 
I read through that thread and unfortunately that solution didn’t work for me, and I tried it with both the dp plugged into my 1440p 165hz monitor and hdmi into my 1080p 75hz monitor.

The cable is fully plugged in, I unscrewed the gpu from the case to move it down just to make sure and the cable is for sure in good. The monitor does turn on when I turn on the pc so there is something that goes through it.

take a picture of the gpu itself. i know you said it posted before but there may be some damage to gpu

also take a picture of the way its set up. including the rear of the slot. also try a diffrent hdmi cable or display port cable
 
others have had similar issues with white led. which is why i posted that part.

take a picture of the gpu itself. i know you said it posted before but there may be some damage to gpu

also take a picture of the way its set up. including the rear of the slot. also try a diffrent hdmi cable or display port cable
View: https://imgur.com/a/5nm4eha


^ all the pictures you asked for.

And yeah I did post it in a different computer just a couple hours ago to make sure it was still functional.
 
View: https://imgur.com/a/5nm4eha


^ all the pictures you asked for.

And yeah I did post it in a different computer just a couple hours ago to make sure it was still functional.


complete shot in the dark

put the pc case on its side. see if that gpu sagging is causing the card to not post.

adjust the ports a bit at the back as that cable i believe is interfering a bit its to chunky. the plastic i bet isnt allowing a good connection. if you adjust the ports a bit by loosening the screws a bit while on its side and then adjusting carefully then tightening it up you can see the lip of the hdmi one is a bit obscurbed by metal so it could be causing a short .
 
complete shot in the dark

put the pc case on its side. see if that gpu sagging is causing the card to not post.

adjust the ports a bit at the back as that cable i believe is interfering a bit its to chunky. the plastic i bet isnt allowing a good connection. if you adjust the ports a bit by loosening the screws a bit while on its side and then adjusting carefully then tightening it up you can see the lip of the hdmi one is a bit obscurbed by metal so it could be causing a short .
Yeah I adjusted it a bit more on its side and tried to boot it but I’m just getting the same error. I think im just going to have to take the motherboard back into the store tommorow and see if they can test it incase it’s an issue with the PCIE lanes, but its still within the return window so I should be able to swap it out for a different one worst case.
 
Yeah I adjusted it a bit more on its side and tried to boot it but I’m just getting the same error. I think im just going to have to take the motherboard back into the store tommorow and see if they can test it incase it’s an issue with the PCIE lanes, but its still within the return window so I should be able to swap it out for a different one worst case.

do you have the additional power pin plugged in at the top ?. i noticed it had 8 and 4 pin
 
complete shot in the dark

put the pc case on its side. see if that gpu sagging is causing the card to not post.

adjust the ports a bit at the back as that cable i believe is interfering a bit its to chunky. the plastic i bet isnt allowing a good connection. if you adjust the ports a bit by loosening the screws a bit while on its side and then adjusting carefully then tightening it up you can see the lip of the hdmi one is a bit obscurbed by metal so it could be causing a short .

try 1 stick of ram in slot 2. with card installed also.

finally attempt go into the bios with the intergrated graphics and make sure the bios actually updated correctly.
 
try 1 stick of ram in slot 2. with card installed also.

finally attempt go into the bios with the intergrated graphics and make sure the bios actually updated correctly.
I didn’t have the additional 4 pin in since it’s primarily for overclocking but I plugged it in and it’s still not posting.

How do i make sure it updated correctly? I was flashing from the newest version to the newest version.
 
I didn’t have the additional 4 pin in since it’s primarily for overclocking but I plugged it in and it’s still not posting.

How do i make sure it updated correctly? I was flashing from the newest version to the newest version.

in the bios it will tell you what the bios number is called.

e.g
Version 3067

if it failed to do update you can manually do it in the bios threw bios flash.

View: https://www.youtube.com/watch?v=BecIqvqJzPw