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Last response: in Motherboards
December 28, 2012 8:10:11 AM

Hello All
I have encounter a problem with my new Mobo. DZ77BH-55K
Everything is brand new. CPU I7-3770 ram 4GB kingston 1333Mhz DDr3 power OCZ 650. SSD ocz and WD caviar 1TB Video GF 650TI MSI.
The problem is that computer hangs at the start post screen. Nothing happens and the indicator in on the board shows E6. Plus the leds are blinking at the top of the board so as at the bottom (video)

Can anyone tell me what might be the problem? I both that stuff 2 days ago.


More about : dz77bh 55k

a c 1497 V Motherboard
December 28, 2012 8:31:25 AM

Have you flashed the BIOS?
Has the system worked?
December 28, 2012 8:36:10 AM

alexoiu said:
Have you flashed the BIOS?
Has the system worked?

Like i said. it's brand new i didn't do anything to it. I just put it all together and nothing. As far as i get is the post screen and that is all. It hangs and sometimes make beeps.
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December 28, 2012 8:52:03 AM

I have switched to a different video card and everything started working correctly. can someone tell me then why is my video card making problems?? It's a MSI GF 640Ti. I switched BIOS settings to use only external video card. But it didn't work.
a c 1497 V Motherboard
December 28, 2012 8:52:40 AM

Then try testing it outside the case. Start it with only CPU and CPU fan installed. Check the beeps pattern and the error code.
Then install only one RAM stick. Check again the error code.
December 28, 2012 9:09:25 AM

It works with a different video card with no problems. I guess it's the card itself that is making problems. I found out it is PCI-e 3.0 and that board supports 2.0. I wonder now if it is possible to run that card on that motherboard.
a c 1497 V Motherboard
December 28, 2012 9:18:48 AM

3.0 is backwards compatible, so it should work.
December 28, 2012 9:54:08 AM

For some reason it doesn't. And i have no idea why. :/ 
a c 1497 V Motherboard
December 28, 2012 10:03:09 AM

Then it might be a faulty graphics card or it might not get the necessary power (does it require additional PCIe power connections)?
December 28, 2012 10:14:35 AM

I have 6 of those cards and none of them work. They don't require additional power supply. It's weird. No idea what might be the problem. The indicator on the mobo tells me that error E6 means driver issues. I checked the online codes.
a c 1497 V Motherboard
December 28, 2012 10:25:50 AM

Try updating the BIOS, if a new version is available.
January 2, 2013 7:42:16 AM

Yeah it worked. After updating the BIOS the card is working fine.