Purchased an XFX HD 7790 and after installation received NO SIGNAL to monitor despite using both DVI and HDMI outputs. RMAd the first and same thing happened with the replacement. Card is well seated. Used the pcie power plug. i5-2500, 630 watt psu, Windows 7. Pegatron IPISB CH2 Mobo. 8GB Ram. Updated the BIOS from HP specific for my model: h81010t. Monitor is HP 2311x LED. Checked the BIOS settings and onboard Video is disabled and no other settings seem incorrect. It shows both UEFI and Legacy menus with all the hardware listed under the Legacy menu. Plugged the old HD 6570 (OEM) back in and no problems so I assume there is nothing wrong with the pcie slot or motherboard. XFX Tech support walked me though the second GPU install and have done everything that is required. Concluded I had another DOA but couldn't be sure it wasn't a system error. If I order a third GPU, what are the chances of getting another bad card. Should I go with a different manufacturer or different model or different chipset? Almost all the newer GPU are 3.0. This MOBO is 2.0. Or is it a bad card and perhaps I am missing something?
no signal from new HD 7790. Twice.
- Thread starter TommyGJ
- Start date
Solution
ingtar33
Glorious
- Dec 17, 2012
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might be your psu has a bad cable... did the card come with a 6 pin plug to molex connection? try that on a different line from the psu's 6 pin
other then that. the pci-e thing isn't the issue. And if it is 2x dead card, that's like drawing a royal flush... nearly impossible but there it is... i guess it can happen. Unless the company you did the RMA with simply reboxed the same card and sent it back.
if a new power cord doesn't work, i'd do another return.
one small sidenote. what is your psu?
other then that. the pci-e thing isn't the issue. And if it is 2x dead card, that's like drawing a royal flush... nearly impossible but there it is... i guess it can happen. Unless the company you did the RMA with simply reboxed the same card and sent it back.
if a new power cord doesn't work, i'd do another return.
one small sidenote. what is your psu?
Oh and an update. plugged an old GeForce GTS 250 into my computer and it worked perfectly. It also requires a seperate PSU plug and consumes more power than the 7790 so I don't believe it is a PSU issue. Also all the bios settings were viewed using the old GPU. Uninstalled the old drivers before removing the old card and was prepared to install the AMD drivers specific for the 7790 I downloaded from the AMD website but was unable to install since I was getting no signal to the monitor. Even tried by installing the new drivers BEFORE removing the old card and installing the new but again NO SIGNAL coming from new GPU.
I did think of the possibility of having the old one sent back with the RMA replacement. I didn't record the S/N of the first one but I did record it from the second one. I RMAd the second one for a refund rather than a replacement. Am considering ordering another one from scratch as NewEgg has a policy of 30 day replacement/refund starting from the initial order date and doesn't reset with the receipt of the replacement.
ingtar33
Glorious
- Dec 17, 2012
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shame... the 7790 is a good card too... not sure why you're having such horrible problems~
Here is an idea, try resetting your bios... put in the new card, pull the power plug from the system, clear CMOS, pull the bios battery out. wait a minute or 5, then plug the battery in, reset the jumpers, plug in the psu and see what happens. (this actually worked for me a few times in the past)
That's all i got for you.
Yes. I used the second 6 pin plug but as I posted earlier, the GTS 250 which uses the same 6 pin plug worked fine. But just in case, I used a volt meter to test the plugs and there is definitely power coming out of it. Believe me I was ready to send the PSU back to Rosewill as it is only 15 months old and still under warranty.
I have sent the second gpu back for a refund and when I get it, I will order a third one. If the third one is bad, I will contact XFX to have it tested after an assurance from them that if it is a bad card then THEY should send me one that tests as a good one and replace it. If it is a third bad card then I will proceed to buy several lottery tickets while I seem to have the luck (or bad luck if you will) of the draw.
I would be very interested in hearing from anyone who has purchased the 7790 and their experience in their own systems.
I have sent the second gpu back for a refund and when I get it, I will order a third one. If the third one is bad, I will contact XFX to have it tested after an assurance from them that if it is a bad card then THEY should send me one that tests as a good one and replace it. If it is a third bad card then I will proceed to buy several lottery tickets while I seem to have the luck (or bad luck if you will) of the draw.
I would be very interested in hearing from anyone who has purchased the 7790 and their experience in their own systems.
Already did the CMOS clearing routine by removing the battery but I didn't do the jumper thing. I know it cleard the CMOS cause when I booted it up I got the "Time and Date not set" message.
ingtar33 thanks for caring. I am instep with your suggestions hoping you will come up with something I missed. Maybe I am taking this too personally but I will get the HD 7790 to work in my computer somehow. I like the technical specs and price. I like the XFX cause of the size; it fits nicely in my smaller tower and frankly looks good and since the only thing working is the fan, I like how it makes absolutely no noise. I had to shine a light on it to make sure it was even spinning.
ingtar33 thanks for caring. I am instep with your suggestions hoping you will come up with something I missed. Maybe I am taking this too personally but I will get the HD 7790 to work in my computer somehow. I like the technical specs and price. I like the XFX cause of the size; it fits nicely in my smaller tower and frankly looks good and since the only thing working is the fan, I like how it makes absolutely no noise. I had to shine a light on it to make sure it was even spinning.
Hi Tommy,
I'm having exactly the same problem with XFX HD 7790 2Gb Black, all fine and connected up with 6-pin, using HDMI cable to monitor, Corsair 500w power supply, fans spin and system boot is fine but no signal - however, as my system is pre-bought Dell Vostro 460 the bios is locked to making any PCI-W graphics card override the onboard VGA, however when I run both onboard and my old Radeon 6670 the system detects the old card, when I try with this with the HD 7790 boot is fine but still no signal. Like you, I am at a complete loss with this one, I'm going to try the card in a different system (with better mobo) with the same power supply and see if that works, if not I'll try 6-pin to molex and see if that makes a difference, don't see why it would though, will see what else I come up with if all that fails. Will let you know how it goes, bloody frustrating!
I'm having exactly the same problem with XFX HD 7790 2Gb Black, all fine and connected up with 6-pin, using HDMI cable to monitor, Corsair 500w power supply, fans spin and system boot is fine but no signal - however, as my system is pre-bought Dell Vostro 460 the bios is locked to making any PCI-W graphics card override the onboard VGA, however when I run both onboard and my old Radeon 6670 the system detects the old card, when I try with this with the HD 7790 boot is fine but still no signal. Like you, I am at a complete loss with this one, I'm going to try the card in a different system (with better mobo) with the same power supply and see if that works, if not I'll try 6-pin to molex and see if that makes a difference, don't see why it would though, will see what else I come up with if all that fails. Will let you know how it goes, bloody frustrating!
Nick Collins
Honorable
- Jun 26, 2013
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- 10,510
I'm having the same issue with a Vostro 460 (upgraded with a 550W XFX PSU) and a PowerColor HD7870 2GB GHz OC. My previous card (HD7850 1GB) works fine with either of the two power connectors that the 7870 needs, so I'm sending it back.
ingtar33
Glorious
- Dec 17, 2012
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yeah... if the bios clearing didn't work i would be at the end of my rope. my only other thought would be to try the card in another computer. that way you can verify everything on your rig is working right. otherwise... i've no idea what's wrong.
Its funny how this works. You know my last two gpus gave me nightmarish problems getting the computer to detect them half the time. They both were old enough to predate the motherboard, so compatibility wasn't an issue. they would work if i fought with them enough. but sometimes i would turn on the machine and ~nothing~... no amount of cleaning or reseating or anything would fix it.
Then i got this new hd7770ge... i figured since 2 gpus (hd 5770 & 9800 GT) from separate companies both had the same issue that it was an issue with my mb... so i was expecting to fight it too. Except it booted right up. never has given me the slightest problem.
Returned the third HD 7790 and received a GTX 650 (non Ti) and it started up just fine. Not sure why it worked when the others didn't. Perhaps it was a fluke so I will never know. The reason I got the non Ti was because I wanted the TDP to be less than 100 watts; my case is a mini tower without any place for another fan. Was originally going for the HD 7750 when the HD 7790 caught my interest in that wattage range. Hence the GTX 650 non-ti as my choice.
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