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11453 Discussions

DH67CL no video during boot

Community Manager

I finally got my DH67CL (h67 chipset) onboard video working with dual screens in Windows 7.

Then I booted and ran a Fedora12 live CD and that went fine (have Win7 64bit installed).

After booting the fedora cd, now whenever I reboot, I don't see any video until the "starting windows" screen appears.

I don't see the Intel bios splash screen ("Press F2...., etc.") in other words.

I tried unplugging the 2nd monitor, and I tried booting with the DVI connected with an adapter to the analog vga input on one of my monitors. Neither worked.

The system boots into Windows 7 just fine, though. I just can't use the bios menu anymore (because I can't see anything).

While trying to get dual screens to work, I updated the bios to BLH6710H.86A.

Am I supposed to downgrade the bios? Or wait for a new one? Any other suggestions please?

My cpu is an i7-2600k if that matters.

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8 Replies
New Contributor II


Have a look at the 3 pins connector with a jumper set to "normal" position and just change it to the opposite side to get "configuration" position.

When in this position you reach the bios after power up without any action to do.

This 3 pin jumper is close sata1 connector, it is documented on the configuration label.

Community Manager

I don't want to sound lazy, but I didn't try it.



The reason is that I think setting the maintenance mode jumper


position is for getting you into the bios if you lost the bios





My problem isnt't that I can't get into the bios. If I press F2 at


the start of booting, it doesn't continue to boot. So I think I must


be at the bios menu, I just can't see it.



I think somehow it maybe got set to always use the hdmi during post.


Either I did it by accident (I was careful not to change it from auto


detect though), or maybe the probing Fedora12 did during boot caused


it to change.



I was never able to get it to display over hdmi during post before


(even if only hdmi was connected), but I was able to get dual screens


working in windows.



I think maybe my best bet to get the display back during post would be


to clear cmos.



The problem with that is that I think changing the video memory size


from "maximum" to 256MB may have been necessary to get dual screens to


work in windows.



My theory is that the bios does not correctly initialize the hdmi port


for my monitor, so if it's set to "use maximum" it doesn't detect the


monitor, so it allocates only enough memory for one display, and


subsequently only one display can be used in windows. I think when I


set it to use 256MB, it always allocates enough for two screens, so


then the display driver tries to initialize the hdmi port and it sees


the 2nd monitor then.



So my fear is that if I clear cmos, then if I still can't see the


display during post, I won't be able to change it from "use maximum"


(which I think is really "auto") to "use 256MB" for video memory, and


I won't be able to get dual screens working again.



So, I think I'll just cross the bridge when I come to it (try to make


it work when I actually have to change something in bios).



I'll try the next bios update too.
Community Manager

I installed the new bios update (installed it from Windows)

BIOS Update [BLH6710H.86A]

Date 4/15/2011

Version 0110

And now I have video during post/boot and can use the bios setup menu again.

The video now displays on both monitors during boot.

Dual screens in Windows are still working.

The update reset the video memory size to "maximum" and it still works (I had changed it to 256MB before when I was getting dual screens to work in Windows).

Community Manager

plz help i jus got the same motherboard but i cant see the bios or anything on single or dual screen. i have no clue wat to do plz help somebody.

Community Manager

try reseating the CPU, RAM, power supply cabel..

remember plug in the 12V ATX 4 pins power supply cable.

Community Manager

i did as you said but still nothing on screen . The motherboard light , case fans are all working as usual. there is a bios cfg 3 pin on which thiere is a yellow two pin connector ( m not sure abt the exact name) which is conncted from right side which leaves a free pin on left side. i tried changing this connector around but no difference.

Community Manager

it was a fualty ram after replacing it with kingston the bios showed up and was able to install windows thanks all.

Honored Contributor II

Good to hear that your issue has been resolved and thank you for letting us know.