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Thread: FM2A75M PRO4+, No video on boot




  1. #1
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    Question FM2A75M PRO4+, No video on boot

    Hello,

    I purchased yesterday a new FM2A75M PRO4+ motherboard (with a new athlon X4 860K, and 2*4Gb Gskill Ares DDR3 PC 19200).
    However, it does not seem to work ; When I switch the power on, the cpu fan starts to spin but it does not display anything on the screen so I have no idea what is wrong. (The screen does not even receive any signal)

    How can I know what is wrong / which component is at fault?
    Does this motherboard even have a piezoelectric speaker and beep on startup?
    Are the components even compatible with each other?

    Here is a detail list of what I plugged in:
    - athlon x4 860k CPU , the cpu fan is powered on CPU_FAN1
    - memory on slots DDR3_A2 and DDR3_B2
    - 24pin atx power on ATXPWR1
    - 4pin power plug on ATX12V1 (the manual recommends an 8 pin but says that it should work with 4pin only)
    - nvidia GT430 on PCIE1, hdmi cable and DVI cable on the nvidia card
    - the front panel cable on PANEL1

    no hdd, no keyboard, no mouse, nothing else

    I even tried to remove the RAM but it did not change anything....
    Last edited by Andri Rakotomalala; 01-18-2015 at 04:07 AM.

  2. #2
    Britgeezer is offline Member
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    Default Re: FM2A75M PRO4+, No video on boot

    OK couple of points.

    1- While DDR3_A2 and DDR3_B2 should work, can you try A1 and B1
    2- The manual says 4 pin should work, if you plug into the correct pins (1 and 5.) please confirm.
    3 - You have to connect a speaker to the outputs on the MB, its not built in.
    4 - Connect a mouse and KB, POST looks for them depending on BIOS setup and you didn't get there yet.

    From your manual:

    Though this motherboard provides 8-pin ATX 12V power connector, it can still work
    if you adopt a traditional 4-pin ATX 12V power supply. To use the
    4-pin ATX power supply, please plug your power supply along with
    Pin 1 and Pin 5.
    Last edited by Britgeezer; 01-18-2015 at 11:01 AM.

  3. #3
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    Default Re: FM2A75M PRO4+, No video on boot

    I tried to use the other memory slots without succes. I did not know that kb and mouse are needed for POST.
    At this point I am a bit afraid to fry the motherboard. I was just being impatient and used my old PSU but I think that I'll just wait for my new power supply so that I can use 8pins because it seems that the athlon X4 needs a lot of power. I will also get a speaker.

    I will then try what you suggested.

    Also, I now see that X4 860k needs bios P2.30 . I have bios P2.20 and no other CPU on hand to test ....

  4. #4
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    Default Re: FM2A75M PRO4+, No video on boot

    I sent an email to ASRock and the sent me the chip for free!! Nice.

    It works now!

    This thread can be closed.

  5. #5
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    Default Re: FM2A75M PRO4+, No video on boot

    Quote Originally Posted by Andri Rakotomalala View Post
    I sent an email to ASRock and the sent me the chip for free!! Nice.

    It works now!

    This thread can be closed.
    Hi Andri,
    what chip did they send you?
    I have the same problem that you, I couldn't make my asrock motherboard (FM2A75M-HD+) work with my new athlon x4 860K. When i put back my x2 340, everything is fine.
    Even if I updated to bios 2.40.
    THe graphic card fan starts and stops imediatly, maybe a power supply problem for me. I thought 350W would be enough.

  6. #6
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    Default Re: FM2A75M PRO4+, No video on boot

    Hello

    It should work with bios version P2.40
    They sent me a chip with bios P2.30 and it works. It's a little removable chip with 8 "legs" that look like this. careful though, don't but that one because it has to match the motherboard. Also, as I said, you can get it for free from AsRock.

    I remember that I had trouble with the RAM ; I had to use slots #2 and #4 instead of #1 and #3.

    Maybe check your power supply or your memory?
    I have a LEPA MXF1 that provides 650W.
    Last edited by Andri Rakotomalala; 10-07-2015 at 01:52 AM.

  7. #7
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    Default Re: FM2A75M PRO4+, No video on boot

    Quote Originally Posted by Andri Rakotomalala View Post
    Hello

    It should work with bios version P2.40
    They sent me a chip with bios P2.30 and it works. It's a little removable chip with 8 "legs" that look like this. careful though, don't but that one because it has to match the motherboard. Also, as I said, you can get it for free from AsRock.

    I remember that I had trouble with the RAM ; I had to use slots #2 and #4 instead of #1 and #3.

    Maybe check your power supply or your memory?
    I have a LEPA MXF1 that provides 650W.
    OK , basically, the chip just updates the bios, isn't it?
    I've installed the latest version (2.70) which is compatible with my CPU.
    I will try with a new X4 860K CPU(sent back mine to Amazon), and I will try to change RAM slot.
    If it stiil not work, I think I will have to change the power supply

  8. #8
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    Default Re: FM2A75M PRO4+, No video on boot

    Dear Selassie,

    We provide some suggestion for verify:
    1.Please referring to FM2A75M PRO4+ of CPU support list to install the suit CPU with BIOS version.
    Some of AMD CPU (i.e AMD Athlon/Sempron family CPU) does not have integrated graphics processor. When this kind of CPU is installed, a discrete VGA card is required.
    ASRock > FM2A75M-HD+

    2.Reinstall memory or test with other memory for verify.
    3.Test with other CPU
    4.Test this 860k CPU on other system for verify.

    Best wishes
    ASRock TSD
    Eddy

  9. #9
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    Default Re: FM2A75M PRO4+, No video on boot

    Quote Originally Posted by ASRock TSD-Eddy View Post
    Dear Selassie,

    We provide some suggestion for verify:
    1.Please referring to FM2A75M PRO4+ of CPU support list to install the suit CPU with BIOS version.
    Some of AMD CPU (i.e AMD Athlon/Sempron family CPU) does not have integrated graphics processor. When this kind of CPU is installed, a discrete VGA card is required.
    ASRock > FM2A75M-HD+

    2.Reinstall memory or test with other memory for verify.
    3.Test with other CPU
    4.Test this 860k CPU on other system for verify.

    Best wishes
    ASRock TSD
    Eddy
    Waouh, thanks AsRock for this reply,
    I had already seen the link you give, and I have an extra GPU.
    As soon as I get my CPU back, I will try your steps.
    Thanks.
    Martin

  10. #10
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    Default Re: FM2A75M PRO4+, No video on boot

    With the new proc, it booted just fine.
    I also installed the bios v2.70 but I don't think it did matter

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