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Questions about GIGABYTE products => Motherboards with Intel processors => Topic started by: HCS on February 15, 2011, 11:02:55 am

Title: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 15, 2011, 11:02:55 am: Hi guys,

Bit of a head scratcher here: for some reason I can't get a discrete graphics card to work on this motherboard. Here's the run-down so far:

- Onboard graphics work fine (Intel i3 540)
- Tried to install an Nvidia G210 (no additional power supply needed) - this isn't detected in BIOS.
- Have tried changing init display settings in BIOS - to no avail.
- Have tried all output methods (VGA/DVI/HDMI).
- Have updated BIOS to latest revision (F4).
- System is not overclocked at this point in time.
- Have tested graphics card working on several other PC's.
- Have tried a completely different graphics card (GTX 295) on this motherboard - still nothing.
- Have tried hooking up a completely different power supply (original was 450W, tested with a 650W also).
- Have RMA'ed the board to my supplier (was only a couple of weeks old) - the new board they sent out STILL has the same issue >:(
- Have checked board is properly seated.
- Have tested RAM for errors - none returned.
- Have reseated RAM

To be honest I would think the odds of two new boards in succession having the same issue is rare - so does anyone have any other suggestions?

Many thanks!
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 15, 2011, 11:05:54 am: Have you made sure that you are using the correct slot for the GPU ?

Have you made sure that you have selected the PCIEx16 as the initial GPU display on this board also ?

What outlet are you plugging the display into on the card ?
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 15, 2011, 11:07:21 am: Yes, the PCI Express slot. ::)
Have tried every init display setting available to me: PCI, PEG, PEG2.
As mentioned, I have tried all outputs the card has to offer - if this is what you meant.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 15, 2011, 11:31:02 am: You need to set the Init Display to PEG and then the next item on the list which is

Onboard VGA
Enables or disables the onboard graphics function.
Enable If No Ext PEG
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 15, 2011, 11:59:32 am: Yep, have done that on both the boards. Not a peep from the graphics card however.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 15, 2011, 12:30:18 pm: Well I can't see any reason in the BIOS why it shouldn't work then.

Can you post a link to the specs of the specific GPU you have please?
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 15, 2011, 02:20:25 pm: I had already established that - I was asking if anyone knew any other reason in case I had overlooked something.

The specs can be located here: http://www.nvidia.com/object/product_geforce_210_us.html
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 21, 2011, 11:47:35 am: Well, still no resolution to this and STILL no response from Gigabyte.

I have now also tried a different CPU and I STILL get the same problem. I'm ready to tear my hair out here.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 21, 2011, 12:20:54 pm: It might sound stupid but have you tried a different monitor ?
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 21, 2011, 12:25:34 pm: Yes
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 21, 2011, 12:29:34 pm: when you have the discrete GPU installed does the onboard ooutput still work or has that been disabled as it is supposed to be.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 21, 2011, 12:33:22 pm: Onboard output works fine, just doesn't actually detect the graphics card - even though I know the graphics card is getting power from the PCI Express x16 lane to power the heatsink fan.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 21, 2011, 12:58:14 pm: No I think you misunderstood me. I was enquiring if the onboard graphics output still works after it has been disabled for the discrete GPU to function ?
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: HCS on February 21, 2011, 01:03:15 pm: As I mentioned before, you cannot fully disable onboard graphics - there is no option to.
The only option available is "Enable onboard if no external graphics is present", which it is set to, however it just goes to onboard graphics anyway - even with the graphics card installed in the machine. It is not detecting a card to switch to.
Title: Re: H55M-S2 - Won't detect discrete graphics card
Post by: Dark Mantis on February 21, 2011, 01:10:17 pm: In that case the BIOS or the motherboard is faulty regardless of what the retailer might have told you.