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Solved new gpu not working...?

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1080piks

1080piks

PCHF Member
Feb 16, 2019
21
1
26
#1
Hello,

I've looked everywhere online for help but nothing works.

I recently bought a new rx 460. I installed it in my pc and plugged it with DVI cable to the monitor.

The card gives no video output....

I tried entering bios using the the integrated graphics card to see if I could change the primary video output option, but can't find it. And, neither does BIOS or my OS detect the card, at all.

I've tried taking the card out and installing it again. It draws power from the moab, as its fans work. I tried removing the CMOS. Nothing works.


It's really frustrating and idk what to do. Can anyone help me?

Could it be my PSU is too weak?
 
#5
Sorry to be the bearer of bad news but even the 2GB version of the card requires a quality brand PSU with a minimum of a 350W output and 23amps on the +12V rail, the present Dell PSU may be labelled as 275W but if you check the label on the unit it states a maximum of 240W which is worse still.

You are welcome btw :)
 
#6
phillpower2 said:
Sorry to be the bearer of bad news but even the 2GB version of the card requires a quality brand PSU with a minimum of a 350W output and 23amps on the +12V rail, the present Dell PSU may be labelled as 275W but if you check the label on the unit it states a maximum of 240W which is worse still.

You are welcome btw :)
Click to expand...
Oh crap


So.. forgive me but I'm new to tech upgrades.. basically the gpu will draw power but not enough to actually function?


Could this be the reason why it wouldn't work?
 
#8
phillpower2 said:
In essence yes, as the RX 460 does not require a supplemental power dongle from the PSU it must get what it requires from the PCI-E slot on the MB and there just isn't enough juice coming from the PSU to power the GPU.
Click to expand...

Ok! When purchasing the gpu, I thought my psu would be enough.

Would a 400w one suffice? If so, how do I know which one to buy?
 
#9
For the present hardware and the RX 460 a good quality brand 400W PSU would be fine, you may find that a 500W PSU will be less expensive though.

In which country will you be making the purchase.

Is your Dell Optiplex 9010 the Mini Tower model.
 
#10
phillpower2 said:
For the present hardware and the RX 460 a good quality brand 400W PSU would be fine, you may find that a 500W PSU will be less expensive though.

In which country will you be making the purchase.

Is your Dell Optiplex 9010 the Mini Tower model.
Click to expand...
I'll be buying it from Ohio, USA, and yes, it's a mini tower!
 
#11
I dont normally recommend the CX range of PSU when there is an add on GPU involved but your card is not too demanding and the unit here is over and above what the RX 460 requires, it was also the least expensive at only $19.99 after claiming the mail in rebate, it has a five year warranty as well.

NB: The Corsair PSU measures 3.39" x 5.91" x 5.51" please measure and compare the size of your present PSU to make sure that the Corsair will fit,
 
#12
phillpower2 said:
I dont normally recommend the CX range of PSU when there is an add on GPU involved but your card is not too demanding and the unit here is over and above what the RX 460 requires, it was also the least expensive at only $19.99 after claiming the mail in rebate, it has a five tear warranty as well.

NB: The Corsair PSU measures 3.39" x 5.91" x 5.51" please measure and compare the size of your present PSU to make sure that the Corsair will fit,
Click to expand...

Got it, thank you!

Would this one https://www.amazon.com/dp/B07BFJ91TY/ref=cm_sw_r_cp_apa_i_uioACb9P82X1P work well too?
 
#13
Nope, wouldn't touch it, the fact that the unit is described as 80+ White means that it is entry level and you should never use anything less than Bronze efficiency rated, it is also more expensive than the one that I suggested after you had claimed the mail in rebate, the branding on the PSU is also a con as the PSU has a maximum output of 384W, you can check this for yourself on the information label here

Please check the PSU guidance links in my signature below for brands of PSU to trust and brands of PSU to avoid, brands to trust include Antec, Corsair, EVGA and Seasonic.
 
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#14
phillpower2 said:
Nope, wouldn't touch it, the fact that the unit is described as 80+ White means that it is entry level and you should never use anything less than Bronze efficiency rated, it is also more expensive than the one that I suggested after you had claimed the mail in rebate, the branding on the PSU is also a con as the PSU has a maximum output of 384W, you can check this for yourself on the information label here

Please check the PSU guidance links in my signature below for brands of PSU to trust and brands of PSU to avoid, brands to trust include Antec, Corsair, EVGA and Seasonic.
Click to expand...
Thanks, I appreciate the help :)
 
#15
phillpower2 said:
NB: The Corsair PSU measures 3.39" x 5.91" x 5.51" please measure and compare the size of your present PSU to make sure that the Corsair will fit,
Click to expand...

What do those measurements mean? Height, width and length?

On Newegg and Amazon, these measurements aren't set in that order so (sorry to sound silly) I don't know if any of these psu s will fit ?
 
#16
Please measure the dimensions of the present PSU then post them here, one of us will check them for you (y)

1080piks said:
On Newegg and Amazon, these measurements aren't set in that order so (sorry to sound silly) I don't know if any of these psu s will fit ?
Click to expand...
We are here to help and you are showing that you are smart by asking for help when you need it :thumbsup:
 
#17
phillpower2 said:
Please measure the dimensions of the present PSU then post them here, one of us will check them for you (y)


We are here to help and you are showing that you are smart by asking for help when you need it :thumbsup:
Click to expand...

Thank you for the help! :D

I think, since I don't have a ruler in my house, that my current psu measures about 3.4 " in height, 5.8 in length and 5.6 in width.
 
Last edited:
#18
Most ATX PSUs are the same size or very very similar and there is more often than not some wiggle room inside of the case should the replacement PSU be a couple of mm bigger, if you are happy that you have a bit of room inside of the case then the Corsair is the way to go.

Tip, before disconnecting anything inside of the case, disconnect the power cord from the wall socket, press the case power on button for 20 seconds or so to get rid of any residual charge in the circuit and ground yourself on a bare metal part of the case or the PSU before reaching inside of the case, this will get rid of any static that you may have in your body, there is a step by step guide for removing the PSU at the Dell article here not mentioned at the guide unless I missed it is disconnecting the power leads from the PSU to the drives, if you have a smart phone take a picture of the inside of the case before you disconnect anything, you can then refer back to the picture when fitting the new PSU if you would like to make sure that you have connected everything and correctly.

Can I make a suggestion before you go to the time, trouble and expense of swapping in a better PSU, I recall that you said that the RX 460 is new, it is not uncommon for anything new to be doa so get the card tested in a friends or family members PC if you can, be sure that it has an adequate power supply first though.

You are welcome :)
 
#19
phillpower2 said:
Most ATX PSUs are the same size or very very similar and there is more often than not some wiggle room inside of the case should the replacement PSU be a couple of mm bigger, if you are happy that you have a bit of room inside of the case then the Corsair is the way to go.

Tip, before disconnecting anything inside of the case, disconnect the power cord from the wall socket, press the case power on button for 20 seconds or so to get rid of any residual charge in the circuit and ground yourself on a bare metal part of the case or the PSU before reaching inside of the case, this will get rid of any static that you may have in your body, there is a step by step guide for removing the PSU at the Dell article here not mentioned at the guide unless I missed it is disconnecting the power leads from the PSU to the drives, if you have a smart phone take a picture of the inside of the case before you disconnect anything, you can then refer back to the picture when fitting the new PSU if you would like to make sure that you have connected everything and correctly.

Can I make a suggestion before you go to the time, trouble and expense of swapping in a better PSU, I recall that you said that the RX 460 is new, it is not uncommon for anything new to be doa so get the card tested in a friends or family members PC if you can, be sure that it has an adequate power supply first though.

You are welcome :)
Click to expand...
This was extremely helpful!!

I'll follow your advice to the best of my abilities.


There's only one problem: I'm originally from Italy and so I don't exactly know anyone here that could help me test the gpu in advance

All I can do is go with testing myself and wish myself luck.
Thank you for the help, it was really great!
 
#20
Was the RX 460 out of the box new when you purchased it, reason that I ask is because if it is and it still does not work after upgrading the PSU you will be able to return the card under warranty, we are trying to avoid the possibility of you replacing the PSU but then being disappointed if the GPU is bad, the + side to replacing the PSU is that it needed replacing in any event as you would never be able to have even the most basic of modern add on GPUs without it.

As an asides, if you intend to purchase the PSU in the coming week, we can leave this thread open so you can come back if you need to ask any questions regarding fitting the new PSU.
 
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