how to use graphics card on my dell Inspiron 3656

I have an  Inspiron 3656 desktop and I would like to install a video card that it came with (was not pre installed). The graphics card is an AMD Radeon R9 360 card. I installed the card into the motherboard and plugged the HDMI cable into card and I cant get anything to display. I plug the video back into the onboard HDMI slot and checked my bios settings and I dont see any option to disable the built in HDMI card.

I also plug the card in and boot up using the onboard slot, and in the device manager it does not even show the Radeon card. Does that mean the card is defective?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Laptops typically do not have upgradable graphics cards.  Even if the hardware fits, the firmware may not support it.  Or the power supply may not. Or any number of other reasons.

Did you read anywhere that this was possible with this specific laptop and graphics card or are you just trying it and expecting it to work?
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
The Inspiron 3656 is a desktop machine and not a laptop ...

No, it doesn't mean the card is defective.  You possibly need to download the drivers for the card and install them and see if the machine then picks up the card.  The drivers for the card seem to be here  (These are for Windows 7 and 8.1)
Lee W, MVPTechnology and Business Process AdvisorCommented:
Yep, sorry I missed that - most people don't have destops these days and the Inspiron was originally a laptop series...
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RaminTechnical AdvisorCommented:
I also plug the card in and boot up using the onboard slot, and in the device manager it does not even show the Radeon card. Does that mean the card is defective?

Make sure the PCI slot you select fits your video card. if Windows cannot detect your Graphic card then something is wrong.

When you install new hardware Windows will automatically detect new hardware but may not be able to install driver for it and you need to install driver manually. so you must be able to see an exclamation mark for that device in control panel.   if Windows doesn't detect your card AT ALL just make sure you have inserted the card correctly into PCIe slot. as noted above you then need to install drivers to introduce your card to Windows.

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look in device manager - any errors there?
what shows under display adapters?
you can post a screenshot
Rob KnightConsultantCommented:

Whilst the BIOS won't show you how to disable the in-built HDMI connector, it might give you options to select/disable onboard video to enable the separate card?

You might want to try resetting to BIOS defaults in-case it's been changed?

dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
Comments cover a wide number of possible solutions to this problem.  Points allocated as to what I felt were the best answers.
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