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Monitor cutting in and out or creating lines on boot? [Solved]

ryguy76
Level 7

‎02-29-2016 08:54 AM - last edited on ‎03-06-2024 02:41 AM by Community Admin

On my second Asus Maximus VIII Extreme Board.

Both had same issues.

Using latest 1402 BIOS. When I boot, it will show the ASUS ROG logo, then disappear, then come back. It will often also have a cursor in the upper left corner blink.
During this process the PC will boot (seems slow) but I get staticy horizontal lines that look like its a monitor connection issue, but it's not.
Once it boots into windows, no issues.
If I go into BIOS, sometimes I will get the lines, sometimes it will actually black out the screen and come back.

This occurs randomly and I can't replicate it on demand. Happens w. default settings.

I thought it may be stability related but have run Realbench for hours and no issue.

Any thoughts?

Thanks.
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Chino
Level 15

‎02-29-2016 09:16 AM

I own the exact motherboard with a different GPU. No signs of your issue at all. If you've experienced the same issue on both motherboards, then your problem is probably caused by the GPU, HDMI/DP cable, or your monitor.
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ryguy76
Level 7
In response to Chino

‎02-29-2016 10:18 AM

Chino wrote:
I own the exact motherboard with a different GPU. No signs of your issue at all. If you've experienced the same issue on both motherboards, then your problem is probably caused by the GPU, HDMI/DP cable, or your monitor.


Thanks Chino. It doesn't happen when I use the same GPU /cable / monitor with my other builds. I will try to troubleshoot it with different cables / GPU though. Just to clarify, this is via displayport connection.
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I-Siamak-I
Level 7

‎02-29-2016 08:29 PM

I was going to make a topic regarding this but I also had the exact same issue right after I upgraded to 1402, took me 2 weeks to figure it out and changed monitor/cable/GPU and still would not make a difference but as soon as I rolled back to Bios 1202 everything started to work again so I can guarantee you it's some sort of bug within the 1402 and certain hardware configurations.
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ryguy76
Level 7
In response to I-Siamak-I

‎03-03-2016 06:56 AM

Wow. Thanks. That's good info. It was driving me crazy. I have no idea whether its related or not, or just luck with no real cause effect, but mine went away after doing a clean install of windows. The other thing that changed is that I am now running/ booting from M.2 in EUFI. Before I was running it in legacy.
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Raja
Level 13

‎03-03-2016 07:00 AM

This may have something to do with your GPU issue in the other thread, also.
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ryguy76
Level 7

‎03-11-2016 11:05 AM

So my GPU was on the fritz and I think my DP cable was too. Can't say it was any issue with ASUS hardware, as a clean install of windows, a new gpu and DP cable fixed issues.
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