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Thread: G1.Sniper 5 will not Post BIOS




  1. #11
    rlarajr is offline Junior Member
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    Default Re: G1.Sniper 5 will not Post BIOS

    I finally got a chance to work on my system. But still no joy. Here is what I tried.

    • Got the monitor from my home system with two HDMI ports.
    • Got a working HDMI to HDMI cable
    • Tried one then the other HDMI ports on the board. Got the same symptoms as I mentioned earlier.
    • Removed the CMOS battery from the motherboard and left it out for 2 minutes. I got the same symptoms as before. Iíll remove the battery again and leave it out over night as suggested.


    The monitor has two HDMI ports and I tried them both. I manually switched to each port on the monitor.

    The G1.Sniper 5 has voltage measurement points. I took readings at each one and here are the results.

    Port Name Reading
    VIRN 0.016V
    VIOC 0.0V
    VSA 0.0V
    VAXG 0.0V
    VIOA 0.0V
    VRING 0.0V
    VDMM 1.5V
    VCORE 0.0V

    I also sent these measurements to Gigabyte tech. support when I first contacted them about the problem.

    I did perform an earlier test, before sending it back the first time, by removing the RAM, disconnecting the hard drives and DVD and got the same results. I also noticed the optical mouse LED does not light up, but that could be something that happens after the BIOS boots.

    The RMA return sheet, that came back with the board, didn't have much in the way of notes about what work was performed. Could the processor possibly be bad? I canít believe this stuff is exactly rocket science, as was mentioned, but Iím scratching my head on this.

  2. #12
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: G1.Sniper 5 will not Post BIOS

    Your board has a debug display for POST codes next to the 24 pin power connector. When you start the board, what is shown on the debug display?

    When you measured the voltages, was that with the board running as much as it does? A VCORE value of 0.0V means no power is going to the processor.

    Do you have the eight pin CPU power cable from the PSU connected to the board? Its in the upper left hand corner of the board, above the small fan.

    The board cannot do anything without memory, no POST, no BIOS. I don't get the point of testing by removing the memory.

  3. #13
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    boondocks is offline Senior Member
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    Default Re: G1.Sniper 5 will not Post BIOS

    Quote Originally Posted by parsec View Post
    Your board has a debug display for POST codes next to the 24 pin power connector. When you start the board, what is shown on the debug display?

    When you measured the voltages, was that with the board running as much as it does? A VCORE value of 0.0V means no power is going to the processor.

    Do you have the eight pin CPU power cable from the PSU connected to the board? Its in the upper left hand corner of the board, above the small fan.

    The board cannot do anything without memory, no POST, no BIOS. I don't get the point of testing by removing the memory.
    Good points by parsec, and that is exactly what I was thinking.
    Also, when you turn it on and try to get into BIOS by hitting the Delete key, what is the final code that shows up?
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  4. #14
    rlarajr is offline Junior Member
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    Default Re: G1.Sniper 5 will not Post BIOS

    SUCCESS!

    Based on PARSECíS point that there was no voltage showing on the VCORE, it pointed me to a possible power supply problem. And JAGGERWILDíS suggestion about looking at the power connections to the motherboard to make sure they are propely seated. I went to reseat all the power connectors to the motherboard. It was at that point I realized I didnít properly connect the small power connector. Not the 24 pin, but the one labeled ďATX_12V_2X4Ē. Even though it was seated, it apparently wasnít in all the way. Once I re-seated it, I got a POST.

    Rookie mistake, I guess. Thanks for all the feedback and help. One more question, can anyone recommend a good app. I can use to keep track of the CPU temp. I donít want to take a chance that I didnít properly apply the CPU to Cooler paste and risk overheating the processor.

    Once again, thanks to everyone for all your help.

  5. #15
    parsec's Avatar
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    Default Re: G1.Sniper 5 will not Post BIOS

    Glad you figured that out. Bad connections of power cables can happen to anyone.

    For CPU temperatures, you can go to the HW Monitor screen in the BIOS for a quick look to see if the CPU temp is way off. You can do that without installing an OS. A bad paste application is usually not anywhere near as bad as a poor CPU cooler mounting when it comes to not cooling the processor.

    If your CPU was not being cooled correctly, it will shut itself off before it is damaged.

    Personally, I like HWiNFO64 for monitoring system temperatures, and it shows all kinds of other information:

    HWiNFO, HWiNFO32/64 - Download

  6. #16
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    Default Re: G1.Sniper 5 will not Post BIOS

    Glad you got it! I recently had to RMA a power supply so I'm glad your problem wasn't as severe.

    For a small lightweight program to monitor cpu temps I like RealTemp.
    Maximus 8 Hero/6700K @ 4.8/4x4GB LPX @ 3200 15-17-17-36 CR1
    Case Labs SM8 w/dual pedestals / Custom water w/ acrylic pipe / Light box
    PowerColor 390Xw/EK block / Samsung 840 Pro 256GBx2 RAID 0 / 128GBx1 SSD's | 3 HDD's / DVD burner
    Dual Aquaero 5 Pro controllers for pumps & fans / FC9 for led's only 2xD5 pwm w/Bitspower tops - MCP35x2 - 3x480 rads/1x240 rad/AP15 fans / EK supremcy
    Seasonic Platinum 1000w custom fabbed/sleeved psu wiring by me

    Wifes: Z77X-UD5H / 3770K w/c with Raystorm copper block & 2 Rads/ Kingston HyperX RAM / Switch 810 case/ PowerColor AX7950 w/EK block
    HTPC: Z68 Pro3 M / 2105

    SOLD:Z97X-UD5H /4790K/F11b mod BIOS/4.8@1.38 4x4GB Kingston Genesis KHX24C11X3K4 2400 RAM 11-13-13-30
    SOLD:Z87X-UD5H /4770K


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