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Graphics card not detected


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#1 SplashK

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Posted 04 November 2017 - 05:26 AM

My daughter has a Core 2 Duo 2.3Ghz PC with Intel Q35 Express Chipset onboard graphics running 32-bit Windows Vista and wants to run the game Sims 4.

 

After research I bought a 512MB Radeon HD 6450 graphics card, but I can’t seem to get it to show in device manager and there is no input signal to the monitor.

 

I’ve tried disabling the integrated graphics in device manager and disabling it in the BIOS, but still no joy. However, the fan is spinning on the card, so at least it’s getting power. Any ideas anyone please?



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#2 Platypus

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Posted 04 November 2017 - 05:43 AM

Be sure the card is seating down into the slot correctly and is not being pulled upward by a misaligned mounting plate/screw.

 

If your mainboard has a PCIe power socket, ensure the matching PSU cable is plugged into it.

 

Is this a new or used card? An obvious step would be to try it in another computer in case it is simply a faulty card.


Edited by Platypus, 04 November 2017 - 05:45 AM.

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#3 SplashK

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Posted 04 November 2017 - 05:55 AM

Hi, thanks for your reply. I understand the card is very low power so shouldn't require additional power. Is this correct?

Yes, card is secondhand. I will have to try it in another machine. 



#4 Platypus

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Posted 04 November 2017 - 06:06 AM

Yes, the HD 6450 is very low power consumption and draws all its power from the PCIe bus. Depending on the mainboard design, if it has the PCIe 16x power socket, but it currently has no PSU connection made, it's one thing to eliminate as a possible cause.


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