Display constantly turning off for a second

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biggames0101

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Mar 8, 2016
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So the title pretty much says it, i've already read the forums about this problem.. it happens when i turn a switch on/off, my computer turns black for a sec.. people say the problem is that the power switches and electrical stuff in my house has not been replaced in decades.. others say the problem is in my mobo, cause i have a mobo with pci-e 2, and my 750 ti is pci-e 3, the other thing is that this problem happens only when i'm connected with hdmi, dvi-vga, vga-vga work just fine.. i use hdmi-mini hdmi, just cause my video card has a mini hdmi.. i suspect that there are multiple problems, but if this about the pci-e stuff is true, i suspect it can damage the mobo badly... sorry if i have bad english, it's not my main language
 
Solution
cub_fanatic
Have you ruled out the monitor? Did you try connecting the computer to a different monitor or TV? Also, since it is only doing it on HDMI, I'd try a different cable or adapter if you are using a mini HDMI to regular size HDMI adapter. If the adapter is bad, you should look into a cable that has mini HDMI on one end and regular HDMI on the other instead of an adapter. I used to have an adapter for my tablet which has mini HDMI and it fried itself under normal use. I then got a cable like I described and it works much better.

The fact that VGA and DVI work fine indicates that there isn't a problem with anything else except either the monitor, the HDMI cables and/or adapters or the video card. Your motherboard sounds fine and that PCIe...
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cub_fanatic

cub_fanatic

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Nov 21, 2012
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Have you ruled out the monitor? Did you try connecting the computer to a different monitor or TV? Also, since it is only doing it on HDMI, I'd try a different cable or adapter if you are using a mini HDMI to regular size HDMI adapter. If the adapter is bad, you should look into a cable that has mini HDMI on one end and regular HDMI on the other instead of an adapter. I used to have an adapter for my tablet which has mini HDMI and it fried itself under normal use. I then got a cable like I described and it works much better.

The fact that VGA and DVI work fine indicates that there isn't a problem with anything else except either the monitor, the HDMI cables and/or adapters or the video card. Your motherboard sounds fine and that PCIe 2.0 stuff is all irrelevant.
 
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