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Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 Ti

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critnasty
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2014/10/22 05:20:38 (permalink)
hello, i bought an EVGA Geforce GTX 750 Ti 2GB GDDR5 to replace my GTX Geforce 610 and when i install the card and boot the system i get a black screen with gateway logo for about a minute then it goes black with a blinking underscore in the upper left corner. ive looked it up and everything led to update my bios. so i did and same result. any help/suggestions would be much appreciated!
 
system:
gateway DX4870
8GB ddr3 ram
intel core i5 2320 processor
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    Sajin
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    Re: Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 T 2014/10/22 11:25:03 (permalink)
    This is most likely caused by the motherboard BIOS not supporting the UEFI BIOS that's loaded on the 750 ti. Try disabling secure boot and booting in legacy mode.


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    #2
    Feldspar_
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    Re: Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 T 2015/01/28 15:50:23 (permalink)
    I'm having a similar problem with my Gateway DX4870.
     
    I updated the bios and when I install the card, I get a black screen and a beep every few seconds.
     
    I don't appear to have a secure boot option in my bios Security tab, just the option to make passwords.
    Says "Version 2.14.1219. Copyright (C) 2002-2012, Acer Inc." at the bottom of the bios screen.
     
    Thanks

    System:
    Gateway DX4870-UR11P
    i7-3770 3.4GHz
    10GB RAM
    300 watt Power Supply
     
     
    #3
    NordicJedi
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    Re: Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 T 2015/01/28 15:56:11 (permalink)
    There won't be an option for legacy mode, as your motherboard will not support UEFI.  Unfortunately, the 750 Ti is not compatible with that system, as the motherboards chosen by most OEM's for its Windows 7 systems do not recognize cards with a UEFI BIOS.  
     
    Bottom line is that you'll have to either swap the card for a card without a UEFI BIOS (and likely upgrade the power supply, as well) or swap out the motherboard for a retail motherboard of the same type.

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    #4
    Feldspar_
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    Re: Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 T 2015/01/30 14:23:12 (permalink)
    Thanks Noric.
    I'm looking at replacing it with the GTX 650 Ti

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    NordicJedi
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    Re: Black screen with blinking underscore when starting system with EVGA Geforce GTX 750 T 2015/01/30 15:58:13 (permalink)
    You'll probably have to upgrade the power supply for that card, but it should be compatible.

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    #6
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