KT4V AGP controller not working

Hi Guys    
kt4v Mobo
TI 4200 Gainward 'Golden Sample' 128Mb 8x graphics card
550W QTEC PSU
maxtor diamond ATA 133 120Gb and old 20Gb hard drives
Big problem - my AGP socket on my KT4V Mobo does not appear to be working.  The computer screen went blank a week after I built the system.  Funny multiple beep post and nothing on screen.  
Sent it to back to the seller Watford Electronics who claimed there was nothing wrong with the mobo (did these guys actually stick a graphics card on it to test it? - I don't think so!  )
The IT man at my work (he builds PCs as part of his job) cleared the CMOS and used an old ATI 'Rage' PCI graphics card to see what was going on. He overwrote the bios (seemingly successful 'cos the PC still worked with the PCI display).  
Tried both the TI 4200 card and an old Matrox G400 card in AGP socket - same multiple beeps and nothing happening on the screen.  Put in the PCI card - short beep and screen came up.  Altered his AGP readings disabling fast write etc (recommended in this forum).  Still nothing works with an AGP display.  
He installed one of these little info display pieces of software which seemed to suggest that the AGP socket was being recognised as a PCI socket  .  Couldn't get it to read though and suggested that the basic problem (whether software or hardware) was in the AGP controller).
Can anybody out there help?
Stevieboy

I flashed my BIOS to v1.9, and then the computer worked for about a day. I should note that during this day, the computer gave me the same problems it does now (bad CMOS settings, blank screen the whole way through) between boots. Maybe every third boot attempt was successful.
When I DID get into Windows, Windows told me it found a serious issue with my video driver (i think it was the driver it had a problem with) and directed me to Nvidia's site. It was at the point after when I downloaded the new drivers and restarted my system that it never turned on again (with one exception). Then the computer would give me a blank screen. As in monitor not getting a signal and flashing the green light as if it's not even plugged into the computer.
By experimentally pushing every key on the keyboard, I found that pressing F2 gets the computer to boot into Windows (I heard the Windows startup chimes and all, but still a blank screen).
Since the problem, I've had one successful boot out of hundreds of attempts (under same conditions, suprisingly), and have seen what it gets to:
The option to enter Setup by pressing F1 or setting default CMOS settings by pressing F2.
This explains why F2 worked. But why is it that it keeps telling me CMOS settings are bad?
Well, this time that the screen showed up, I took the opportunity to flash the BIOS to v1.8, hoping maybe v1.9 was faulty. No luck.
I've tried various video cards, both AGP and PCI. The monitor is fine.
The motherboard is new.
Please help me! Not a great first MSI experience. It was a great looking board, but cost more than $100 in CompUSA and is almost brand new!
Thanks in advance,
Jason

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    I recently purchased a new macbook pro (15" late 2013) and just noticed that when plugging my headphones (beats solo HD), the volume controller in the headphones doesn't change the volume of the laptop. The headphone controller works fine on my iphone, and on my older macbook pro (2010, running on mavericks too). I checked the Sound settings under System Preferences, and under the Input tab, the new macbook doesn't recognize the headphone microphone either, which my old macbook pro still does. In terms of sound, the headphones work well, and under the Output tab, the Headphones appear, as normal. The sound can also be adjusted using the keyboard keys and the volume adjust on screen, but not with the headphones volume controller, which seems odd to me.
    Is there a way to fix this?
    Thanks for your time!
    Melissa

    Hi,
    I also noticed this... when I use my old earphones (the white Apple ones that come with the iphone) on my new laptop, everything works fine, including the microphone, volume control, skipping songs... etc. But my other headphones are not recognised at all, just as audio output and nothing else.
    My old macbook, however, still fully recognizes both my old earphones and my "troublesome" Beats headphones, even after the latest system update, as does my iphone
    So I still don't know what is happening.
    Just telling you this so that you make 100% sure your earphones are faulty before discarding them!

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