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Thread: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.




  1. #1
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    Default GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    I am building my first PC and am having issues getting it to actually visibly boot to BIOS.

    When I power up the system, both the system, power supply, and processor fans boot up. I get two beeps from the motherboard as it initially starts, and then another a few seconds later indicating a CMOS error, according to the manual.

    I currently have it hooked up to an acer 20inch LCD monitor via VGA. Have tried with both DVD and HD connected via SATA and disconnected. Have pulled the battery and that did not successfully change anything. Everything appears (to my novice eye) to be working, except for getting the video to work. I've heard of a "video issue" by searching these boards, and via NewEgg's customer reviews where the initial BIOS settings would not use the on-board video to start. Is this the problem I'm running into? I don't have a spare video card lying around, so it would make my life much more difficult if this were the case.

    Thank you!
    -Baylan

  2. #2
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    Try clearing the CMOS using the long method I post in post #2 here
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    I am not sure if it wont work with onboard GFX to start with, it should otherwise that would just be silly!

  3. #3
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    I've heard of a "video issue" by searching these boards, and via NewEgg's customer reviews where the initial BIOS settings would not use the on-board video to start. Is this the problem I'm running into?
    No This could happen if the onboard graphics were disabled in bios and saved, but when you clear CMOS the onboard graphics will be enabled.
    That error message could be the memory, sounds like improperly installed or the wrong memory. What is the part number for the memory? Clear cmos first. Check the monitor and your memory.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  4. #4
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    Full specs on my memory are:
    Rendition by Crucial 2GB 240-Pin DDR2 SDRAM DDR2 667 (PC2 5300) Desktop Memory Model RM25664AA667

    I've attempted to clear the CMOS several times - taking out the battery for an extended period, as well as following the motherboard's manual to use a screwdriver (I don't have a jumper) and touch both ends at the same time. Neither was successful.

    Is it my memory? I'm getting pretty frustrated at this point, heh.

  5. #5
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    GA-MA785GM-US2H (rev. ?.?) They make 3 revisions on that motherboard. I need your motherboard revision number and the CPU installed.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  6. #6
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    Revision 1.3 on the motherboard,

    AMD Athlon II X3 435 Rana 2.9GHz 3 x 512KB L2 Cache Socket AM3 95W Triple-Core Processor

  7. #7
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    OK I'm just trying to eliminate some things. That motherboard only offers 1 BIOS at this time. The cpu is supported with that BIOS. GIGABYTE TECHNOLOGY Socket AM2+ - AMD 785G - GA-MA785GM-US2H (rev. 1.3)
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  8. #8
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    Michigan
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    I appreciate the help. I'm at my wits end at this point in terms of what to do. I'll try my best to answer any questions you have about my specs/parts but I've got to leave for work in less than an hour, so it might get difficult after that.

  9. #9
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    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    OK one more question What type of power supply do you have? Below is a pdf of your motherboard manual. Pay close attention to the connections. Does the power supply have a ATX_12V_2X4 pin cpu connector?
    Page 24 shows a diagram of this. We have seen where sometimes the ATX_12V_1X4 pin connector was not strong enough. Some changed PSU's to one with the 2x4 and it boost the amperage. Just a few more possibilities for you to consider.
    http://download.gigabyte.ru/manual/m...-ud(s)2h_e.pdf

    It could be the motherboard. Before sending it back you may want to try a out of case bench P.O.S.T. test. Just to be sure it's not the computer case. We have seen this happen before.
    http://forums.tweaktown.com/f69/how-...ch-test-38512/
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  10. #10
    Join Date
    Jun 2010
    Location
    Michigan
    Posts
    10

    Default Re: GIGABYTE GA-MA785GM-US2H "No Signal" on first boot.

    The power supply I purchased is a hec HP485D 485W. I was using the 20+4 connectors in order to get the fans going on the motherboard and the system as a whole. My understanding reading the mobo manual is that this was an alternative to the 2x4 connectors. Am I wrong in this?

    This might be the issue that I'm having. Unfortunately I'm no longer even getting the beeping when starting the mobo, I'm afraid that I've fried it with all the jumbling and attempting to get it working... Grr.

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