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PC doesn't post after restart

A

Apoxi

[H]ard|Gawd
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Joined
May 1, 2006
Messages
1,334
So I just got a gtx 1080 ti and a 4790k that i updated my system with. I reformatted, installed all drivers, the usual. While it was reformatting/installing windows, when it restarts in the process, the computer would not post back up. All the fans would be on except the video card won't come back up. The monitor just goes into power saving mode. It is a evga gtx1080 ti FTW3. The "gtx 1080ti" lights on the side of the card do not come back up, however the lights on top on the back plate stay on. I've tried resetting the CMOS, reinstalled all drivers, reformatted, reseated the video card and made sure all cables were securely plugged in. The computer works perfectly, gaming works great, temperatures are normal. This is making me lose my shit, so any help would be greatly appreciated.

Specs: msi z87-g41 pc mate mobo
intel 4790k
evga gtx 1080ti ftw3
16gb corsair ddr3
corsair cx600m psu

nothing is overclocked/didn't mess with any voltages/clocks
 
ryan_975 said:
Have you tried putting your old card back in to see if it'll boot up then?
Click to expand...
Unfortunately I do not have an old card to put in and test as I sold my 1080 to get the ti. However, when I had the 1080, restarting had zero issues.
 
Apoxi said:
Why would I do this? The card plays games fine. I’m hard pressed to think it’s a gpu issue.
Click to expand...

I read your post wrong apparently. Disregard.

Not sure what would cause that, Maybe a power / sleep issue. Try restarting it with onboard video. Also, boot with one stick of ram and see if that makes a difference. BE SURE, to turn off the computer completely & unplug the PS before doing it.
 
Last edited:
test and or replace the battery. then try another psu if you can.
 
yup. just worked on a z97/4790k that was having wierd issues and it was the battery. not the first nor last time im sure...
 
So it posts just fine from cold boot up, but if restarting it wont post? or it post but wont load into windows? What os are you using? and what build?
 
primetime said:
So it posts just fine from cold boot up, but if restarting it wont post? or it post but wont load into windows? What os are you using? and what build?
Click to expand...
From cold it boots up fine, but if I restart from windows or if there’s a windows update that restarts it, it won’t post. The video card just doesnt seem to want to come on upon restart. Windows 10 Pro x64
 
Apoxi said:
From cold it boots up fine, but if I restart from windows or if there’s a windows update that restarts it, it won’t post. The video card just doesnt seem to want to come on upon restart. Windows 10 Pro x64
Click to expand...
Well then that sounds like a windows and or software issue for sure. You should probably try a different iso or windows version. Either way i cant see it being a hardware issue if it works perfect from cold boot. My gut feeling is its some kind of windows issue and only happens on the particular windows build/iso your using. Did the issue start after an update? or right after clean install?
 
primetime said:
Well then that sounds like a windows and or software issue for sure. You should probably try a different iso or windows version. Either way i cant see it being a hardware issue if it works perfect from cold boot. My gut feeling is its some kind of windows issue and only happens on the particular windows build/iso your using. Did the issue start after an update? or right after clean install?
Click to expand...
It started doing it when I was installing win 7 pro and hasn’t stopped since updating to 10 pro. My 1080 wasn’t doing it, just started when I put in the 1080 ti, new processor and reformatted.
 
Apoxi said:
My 1080 wasn’t doing it, just started when I put in the 1080 ti, new processor and reformatted.
Click to expand...

Have you updated your BIOS? 4790k wasn't fully supported until BIOS v1.7. Many motherboards won't reboot if the CPU isn't fully supported, my X58 system does this because it doesn't have full support for Xeons. Cold boot: perfect. Warm boot: never.
 
Grebuloner said:
Have you updated your BIOS? 4790k wasn't fully supported until BIOS v1.7. Many motherboards won't reboot if the CPU isn't fully supported, my X58 system does this because it doesn't have full support for Xeons. Cold boot: perfect. Warm boot: never.
Click to expand...

just flashed bios to 1.8 and it's still doing the same thing.
 
you also mentioned it started after going win 10......type winver in run box and report what it says
 
am I understanding correctly that you installed the new parts and reloaded windows at the same time? I doubt its a windows issue if you can't even get through the install without it hanging up.
have you tried another stronger psu yet? yours is the minimum required and old...
oh and the battery, test it.
 
Apoxi said:
So I just got a gtx 1080 ti and a 4790k that i updated my system with. I reformatted, installed all drivers, the usual. While it was reformatting/installing windows, when it restarts in the process, the computer would not post back up. All the fans would be on except the video card won't come back up. The monitor just goes into power saving mode. It is a evga gtx1080 ti FTW3. The "gtx 1080ti" lights on the side of the card do not come back up, however the lights on top on the back plate stay on. I've tried resetting the CMOS, reinstalled all drivers, reformatted, reseated the video card and made sure all cables were securely plugged in. The computer works perfectly, gaming works great, temperatures are normal. This is making me lose my shit, so any help would be greatly appreciated.

Specs: msi z87-g41 pc mate mobo
intel 4790k
evga gtx 1080ti ftw3
16gb corsair ddr3
corsair cx600m psu

nothing is overclocked/didn't mess with any voltages/clocks
Click to expand...

try forcing PCI-E Gen 3 in BIOS and PCI-E as Primary Video output, be sure that things as LucidVirtu are disabled in BIOS.

That kind of issues happens when the Mobo output straight from the Onboard video instead of the dGPU, it tend to happens when switching GPUS, it has happened to me in the past in the regularly clean periods.
 
Araxie said:
try forcing PCI-E Gen 3 in BIOS and PCI-E as Primary Video output, be sure that things as LucidVirtu are disabled in BIOS.

That kind of issues happens when the Mobo output straight from the Onboard video instead of the dGPU, it tend to happens when switching GPUS, it has happened to me in the past in the regularly clean periods.
Click to expand...

changed these settings and i'm still having the same issue. this is driving me nuts. it doesn't affect the usage of the computer, but it just irks the hell out of me knowing the machine does this. Think it could be a power supply issue? I didn't think so, but am open to opinions.
 
pendragon1 said:
am I understanding correctly that you installed the new parts and reloaded windows at the same time? I doubt its a windows issue if you can't even get through the install without it hanging up.
have you tried another stronger psu yet? yours is the minimum required and old...
oh and the battery, test it.
Click to expand...
 
i don't have any laying around and don't want to go buy a new one just to have the same problem. am hoping it is software related as hardware doesn't make sense to me. if the psu is underpowered then the machine shouldn't be working as well as it is. also, psu calculators suggest i have a 600w psu anyways as my power draw is only 458w.
 
estimated 458w but the gpu minimum is 600w. its the same issue guys are having with the Vega cards, ignoring the requirements and having to downclock and do stupid shit to "make it work" because they think they know better. you are using an old psu that is the bare minimum for your gpu. so if you have tested/replaced the battery then its time to try another psu, I'd say minimum 650w. you seem to think its not hardware but you had the issue while installing windows 7, then it continued during the upgrade to 10 and still is happening after the upgrade. have you done a fresh clean install of windows 10(don't upgrade just use the 7 key to install) onto another ssd/hdd? can you put the old cpu back in to test? if the problem still occurs, then it sounds like hardware to me and psu is the first place to look.
 
pendragon1 said:
estimated 458w but the gpu minimum is 600w. its the same issue guys are having with the Vega cards, ignoring the requirements and having to downclock and do stupid shit to "make it work" because they think they know better. you are using an old psu that is the bare minimum for your gpu. so if you have tested/replaced the battery then its time to try another psu, I'd say minimum 650w. you seem to think its not hardware but you had the issue while installing windows 7, then it continued during the upgrade to 10 and still is happening after the upgrade. have you done a fresh clean install of windows 10(don't upgrade just use the 7 key to install) onto another ssd/hdd? can you put the old cpu back in to test? if the problem still occurs, then it sounds like hardware to me and psu is the first place to look.
Click to expand...

ordered a new psu, figured that at least i'll have some overhead when i upgrade everything in the future. at least that's what i tell myself every time i order new stuff.
 
check the battery too. I know others may think nothing of it but the system(z97, 4790k) I just worked on was acting goofy and the battery was down to 2.4v, leaking too. cleaned the socket, replaced the battery and its running like a champ now.
 
pendragon1 said:
check the battery too. I know others may think nothing of it but the system(z97, 4790k) I just worked on was acting goofy and the battery was down to 2.4v, leaking too. cleaned the socket, replaced the battery and its running like a champ now.
Click to expand...
Finally got around to putting the new PSU in, a brand new Corsair RM850x, and also put in a new CMOS battery. Computer still won't post after restart...lol now i really have no clue.
 
hmmm shit!
igpu is fully disabled in bios right? have you tried another slot? any chance you still have your old cpu to try with the new gpu? rule out the bios issue mentioned in post #15 by greb.
 
pendragon1 said:
hmmm shit!
igpu is fully disabled in bios right? have you tried another slot? any chance you still have your old cpu to try with the new gpu? rule out the bios issue mentioned in post #15 by greb.
Click to expand...

Igpu fully disabled, windows power settings checked, gpu bios flashed to latest release, drivers updated, bios flashed to latest release. Tried the other pcie slot, same deal. Tried a gtx 970, no issues. But the 1080ti performs flawlessly...I am at the end of all things to try aside from RMAing the card....
 
Apoxi said:
Igpu fully disabled, windows power settings checked, gpu bios flashed to latest release, drivers updated, bios flashed to latest release. Tried the other pcie slot, same deal. Tried a gtx 970, no issues. But the 1080ti performs flawlessly...I am at the end of all things to try aside from RMAing the card....
Click to expand...

I've seen that kind of issues when is not related to PCI-E stuck (heck i had an issue related to that few days ago) that happens from time to time when changing GPUS, mostly related to the way modern UEFI manage boot and it's why the pendragon1 suggestion about the CMOS battery works, because in the process of change it, everything it's properly reset, so one las thing to try, remove the 1080Ti, unplug your machine from the wall and remove the cmos battery for 5 minutes, put the battery on and do a fresh windows install with only the iGPU managing video, wait until everything it's installed, disable Fastboot in windows power options and reboot your machine, turn it off again and install the 1080Ti as soon as it's installed enter in BIOS and check if the PCIE slot is properly recognized as PCI-E x16 3.0, save settings (even if you didn't changed anything) and go to windows, proceed to install drivers and check wit GPU-Z if still the card is working at PCI-E x16@3.0 with the rendering test (If not then there may be an issue with your GPU). Reboot and test.
 
Apoxi said:
Why would I do this? The card plays games fine. I’m hard pressed to think it’s a gpu issue.
Click to expand...

I had a PC with the exact same issue, and it was the VGA Card. Worked fine, played games... until a reboot. Had to turn it off completely then on again. Never figured out why. Other VGAs on the same MoBo did not present the issue. Tried different OSs, drivers, service packs... nothing helped.
 
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