geforce gtx 780 issues: fans spin high when card is inserted into motherboard before pci power cords are attatched, not regist

XxMohamed92xX · Sep 13, 2014

Hey im building a computer for a friend and i started having issues once i realised it wouldnt install the drivers for the graphics card because there "was no related hardware". the mobo is an msi B85-G43 Gaming and the gpu is an msi twin frozr gtx 780, the fans in the gpu from startup would be spinning audibly fast and when i had the card unplugged from the power supply i noticed the fans were still spinning at max while just being connected to the motherboard. the gpu doesnt show up as being in either of the available pci slots but i swapped in a radeon 280 and it showed up in both no worries fans spinning quietly. is this the type of thing i need to send back or could it be something else?

i7Baby · Sep 13, 2014

DON'T put card into pcie slot while the PC is powered up!!!!!!!!!!!!!!!!!!

XxMohamed92xX · Sep 13, 2014

i7Baby :

i did put it together properly first it was after many switching offs of the machine and back on and in bios and off and on again and when i was swapping cards over is when i got a little fed up and just left it on

Mousemonkey · Sep 13, 2014

XxMohamed92xX :

i7Baby :

How did you get that from the OP?

azzazel_99 · Sep 13, 2014

I really hope you were not inserting the video card while the PC was on........... Also why would you start the PC without the gpu power cords being plugged in? It's possible it was damaged in the process depending on how long you left it on with not power cords hooked up to it. The mobo possibly needs the latest motherboard and bios drivers. Also gpu fans ramping up too 100% during boot up is completely normal but once posted the fans should slow back down. I wouldn't be a bit surprised if something was damaged.

XxMohamed92xX · Sep 13, 2014

azzazel_99 :

sorry i may have made it a bit unclear, as this is only my third build and the other two times i had been using sapphire radeon gpu's when i first turned the computer on (everything was set up properly) i was suprised by how loud the fans were for the gtx and because they didnt slow back down i just assumed it was normal and went through with the os installation and then to drivers and such, the gpu didnt come with an installation disc as such it came with more of the generic utilities and software, pretty much what i got with the mobo since they were the same brand (msi) so i didnt worry about it till last. all updates were then done through whatever program msi supplies for mobo and bios updates.
when i finally got up to looking up the drivers on the nvidea website, it was telling me that i didnt have the required hardware installed, so after another couple of attempts i searched device manager and noticed the gpu wasnt listed. looked up some support online about the card and the mobo, switched the comp into bios and checked the pci slots which read empty, switched the pc off swapped the gpu into the other pci slot, bios and still empty. switched pc off, tried first slot again just in case, empty. grabbed r9 280 out of other pc put it in, started it up, it came up in the bios, tried it in the other pci slot and it came up there to. now this is where i left the computer on, r9 was in the bottom slot so i grabbed another set of pci power cables and put the gtx into the top slot (computer still on, no power cables attatched to this gpu) and that was when i thought something was wrong because the fans spun up to full speed as i was pushing it into the pci slot ( i didnt realise it would function without the psu supplied power to it, so yes my bad there)

azzazel_99 · Sep 13, 2014

If you plugged the nvidia card into the PCI slot while the computer was on there is. 90% chance you ruined the card. You CANNOT unplug or plug ANYTHING into the mobo or mobo plugs while the PC is on.

azzazel_99 · Sep 13, 2014

Also when doing gpu's that require power connectors it's a bad idea to turn the PC on without those power plugs plugged in.

Mousemonkey · Sep 13, 2014

XxMohamed92xX :

azzazel_99 :

sorry i may have made it a bit unclear, as this is only my third build and the other two times i had been using sapphire radeon gpu's when i first turned the computer on (everything was set up properly) i was suprised by how loud the fans were for the gtx and because they didnt slow back down i just assumed it was normal and went through with the os installation and then to drivers and such, the gpu didnt come with an installation disc as such it came with more of the generic utilities and software, pretty much what i got with the mobo since they were the same brand (msi) so i didnt worry about it till last. all updates were then done through whatever program msi supplies for mobo and bios updates.
when i finally got up to looking up the drivers on the nvidea website, it was telling me that i didnt have the required hardware installed, so after another couple of attempts i searched device manager and noticed the gpu wasnt listed. looked up some support online about the card and the mobo, switched the comp into bios and checked the pci slots which read empty, switched the pc off swapped the gpu into the other pci slot, bios and still empty. switched pc off, tried first slot again just in case, empty. grabbed r9 280 out of other pc put it in, started it up, it came up in the bios, tried it in the other pci slot and it came up there to. now this is where i left the computer on, r9 was in the bottom slot so i grabbed another set of pci power cables and put the gtx into the top slot (computer still on, no power cables attatched to this gpu) and that was when i thought something was wrong because the fans spun up to full speed as i was pushing it into the pci slot ( i didnt realise it would function without the psu supplied power to it, so yes my bad there)

Thank you for the clarification but that still doesn't explain how i7Baby knew that.

azzazel_99 · Sep 13, 2014

I thought the same thing from the original post.

Mousemonkey · Sep 13, 2014

azzazel_99 :

Really? How so?

17seconds · Sep 13, 2014

The MSI Twin Frozr cooler fans spin in reverse at full speed during start up to clean out the dust. Its a nice feature and unique to the MSI Twin Frozr. As long as it only happens during start up, then this is normal.

azzazel_99 · Sep 13, 2014

In his post he said they didn't slow back Down so assuming the fans are running 100% all the time. And he said he inserted a gpu without the power cables (PC still on) and still had same results. That statement to me says he inserted a gpu I to a PCI slot with the "PC still on" and had same problem. Also running a gpu like that or trying to rather WITHOUT the pcie cables plugged in is bad is it not?

Pinhedd · Sep 13, 2014

PCI-SIG defined PCIe with hot-pluggability in mind. Inserting or removing a PCIe device while the machine is running is fine in itself. However, it is extremely ill-advised because the card formfactors are not easily handled and risk creating an electrical short or physical damage to a component.

azzazel_99 · Sep 13, 2014

Exactly my point

XxMohamed92xX · Sep 13, 2014

So basically even though the gtx wasnt registering at all but the r9 was (when it was first set up correctly), because ive "hot-plugged" the gtx now its too hard to say whether or not it was a manufacture fault or a fault of my own that causes the card to not work?

azzazel_99 · Sep 13, 2014

Try the card in a diff PC and then get back to us with results.

XxMohamed92xX · Sep 13, 2014

azzazel_99 :

put gtx into the build that had the r9 and im not getting any display through the card, the build the card was in had dvi on the mobo(which is how i installed the os and the rest), this one doesnt it can only go through the gpu and im not getting anything coming up

i7Baby · Sep 13, 2014

The OP said "when i had the card unplugged from the power supply i noticed the fans were still spinning at max". That only happens if the power is still on but the power supply leads aren't connected to the card. Everything has to be connected before you power up.

azzazel_99 · Sep 13, 2014

Bad card possibly. If u tried it in another PC and nothing then my guess is card is bad.

XxMohamed92xX · Sep 13, 2014

thank you for that

Mousemonkey · Sep 14, 2014

azzazel_99 :

I've forgotten to plug the power cable into a card before and it nothing bad happened, the card merely beeped when I tried to get it to go into 3d mode.

Pinhedd :

i7Baby :

I didn't get any indication of hot plugging going on from the OP which is why I'm still suspicious of this thread and the answers being given.

azzazel_99 · Sep 14, 2014

How could you not grasp that from what he said "now this is where i left the computer on, r9 was in the bottom slot so i grabbed another set of pci power cables and put the gtx into the top slot (computer still on, no power cables attatched to this gpu)"?

Mousemonkey · Sep 14, 2014

azzazel_99 :

Where does it say that in the OP?

azzazel_99 · Sep 14, 2014

i assumed he was talking about original poster but i suppose if he was referring to original post its diff. Doesnt matter though either way, that what we got out of it and apparently thats what he actually did at some point so the whole reason we were saying not to do that is because it could cause damage which since he has now tried the card in a completely different pc clearly the card is damaged.

geforce gtx 780 issues: fans spin high when card is inserted into motherboard before pci power cords are attatched, not regist

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