No video output

goran.orsolic33 · Jun 25, 2018

Ok so recently my GPU died. It was a GTX 460. My friend borrowed me a spare gpu he had until I save up some money. He gave me an hd 6850. I for fact know everything else in my system works because with the faulty gpu I could boot into safe mode and everything and I know the hd 6850 works because we tested it like an hour before I plugged it into my pc.
The problem is I get no video output at all. I've tried my monitor which has an led that blinks orange when the pc is off and blinks blue when its on but with this gpu it only blinks orange and gets nothing at all, not even no signal input, I've tried both dvi ports and I've tried the HDMI port on my tv and no signal at all, all the fans are spinning, mobo light is on, no beeping sound at all when booting.

C2Q Q6600 @2.40
Asus P5Q SE2 mobo
Xfx radeon hd 6850
8gb ram
Some 420W PSU

Any help is appreciated

Shektron · Jun 25, 2018

Starting with the basics, did you make sure your monitor is connected to the GPU video ports and not the motherboard video ports? If needed, did you connect the power connectors to the GPU? Do the fans on the GPU spin up?

goran.orsolic33 · Jun 25, 2018

Yes, I tried all 3 of the gpu ports and I have plugged in both of the 6 pin connectors, and yes the fans are spinning

Shektron · Jun 25, 2018

Try a BIOS reset using the CMOS jumper.

https://www.asus.com/support/FAQ/1000851/

goran.orsolic33 · Jun 25, 2018

Ok I'll try that as soon as i get to my PC.

smorizio · Jun 25, 2018

as your rig is old...look for leaking caps on the mb and in the power supply. if you can find a test power supply. make sure you have good power from your power supply to turn on the gpu.

goran.orsolic33 · Jun 25, 2018

Ok, so I have tried clearing CMOS and still nothing.
I tried putting the fried card in there and the pc starts booting and gives a signal, but since its fried it doesn't boot. Idk what to do now

Shektron · Jun 25, 2018

If possible, try to run your new GPU in a different system, or put a known good GPU into your own system, and see the results. If you put your GPU in a known good system and the system does not boot/recognize your GPU, then the GPU is most probably dead. If your system works fine with a different GPU installed, then again your GPU is probably dead.

If you put a different GPU in your system and it still doesn't work, then some other component in your system is at fault, and further diagnosis would be needed.

goran.orsolic33 · Jun 25, 2018

Okay, I've been busy and the more I try the more confused I am. So I tried my friends GPU (palit jetstream gtx 680) and it worked, the pc worked perfectly, so my immediate thought is the gpu is dead, but then I try the hd 6850 in my friends pc and it works, I do not understand it makes no sense to me..

Shektron · Jun 25, 2018

goran.orsolic33 :

This might be the problem then.

goran.orsolic33 · Jun 25, 2018

But why would the PSU be the problem? It powers the more demanding card, why not this one?

Shektron · Jun 25, 2018

goran.orsolic33 :

Perhaps it is something else, perhaps it is the PSU. In such cases it would be really hard to tell without replacing each and every part one by one, until the issue doesn't resolve itself. Maybe the hardware isn't the problem at all and all you need is drivers for the 6850...

goran.orsolic33 · Jun 25, 2018

But how can I install drivers for the gpu if i cant get any signal with it?

budgetgamer12345 · Jun 25, 2018

You can try to swap your PSU with your friend and test the GPU. If it boots and works, then the problem is with your PSU.
This PSU is unbranded right?

goran.orsolic33 · Jun 25, 2018

The exact model of the PSU is the ATX deluxe power switching atx-420w p4
Also my friend isn't avalible for a couple of hours

R0GG · Jun 25, 2018

Try:
- Connecting GPU 6pin PCIe power port to 2xmolex to 6pin PCIe adapter (at least one of the molex have to come straight from power supply and not from another peripheral)
- Reseat your GPU snugly in motherboard PCIe port (ideally having motherboard laid down flat while placing vertically GPU+ port visual check), if successful with tower vertical try to get GPU as horizontal as possible minimizing sagging with some GPU holder or piece of stereo-form (not touching gpu fan) or zip-tie.(ideally y

goran.orsolic33 · Jun 25, 2018

Ok so here's the deal. My friend knows a lot about pc's and since im younger when he gave me the card he didn't care to mention that there was a pair of condenstators on the card not working, so the card does not work at 100% and that is not a problem with his new motherboard, it recognizes the problem and it works, but my older mobo can not read the card properly in that state so it was not working. Guess I'll have to buy a new GPU. Sorry for wasting your time. Also any recommendations for a budget gpu and don't mention the 1050 I don't need anything of that power, I need mostly play csgo and i dont give much care for how it looks, so I'm looking for something to get around 100fps in csgo at 720p and lowest possible settings, again any help is appreciated

Shektron · Jun 26, 2018

goran.orsolic33 :

Ok so here's the deal. My friend knows a lot about pc's and since im younger when he gave me the card he didn't care to mention that there was a pair of condenstators on the card not working, so the card does not work at 100% and that is not a problem with his new motherboard, it recognizes the problem and it works, but my older mobo can not read the card properly in that state so it was not working. Guess I'll have to buy a new GPU. Sorry for wasting your time. Also any recommendations for a budget gpu and don't mention the 1050 I don't need anything of that power, I need mostly play csgo and i dont give much care for how it looks, so I'm looking for something to get around 100fps in csgo at 720p and lowest possible settings, again any help is appreciated

A GT 1030 should handle that.

No video output

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