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ASUS Mother board video problem

Posted on 2009-12-20
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Last Modified: 2013-11-09
I just bought a  ASUS M4A78T-E AM3 AMD 790GX HDMI ATX AMD Motherboard from newegg http://www.newegg.com/Product/Product.aspx?Item=N82E16813131366 and got it all hooked up.

i'm using my TV as a monitor with a VGA, the mobo has dual outputs VGA and DVI

the os (Win7) installs just fine, i can see the bios post just fine but when i actually get into the OS (well i don't really it's the first boot part of the os to do the configs) i can't see anything. I'm wondering if it has something to do with the dual outputs, cause i think vista trys to use the best display it can get. also i can boot into safe mode and see it but 7 won't let me do the configuration in safemode

i'm just trying to figure out if it's the way i'm connecting it or maybe some setting that may be hiding in the bios. of if it's a bad mobo and i should send it back.

thanks for your help
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Question by:tlman12
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Expert Comment

by:☠ MASQ ☠
ID: 26093002
Did you install the Asus drivers for your version of Windows 7?
http://asus.com/product.aspx?P_ID=cf8IZzbU4m6GHKnW  (Choose the Download tab and your operating system)
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by:tlman12
ID: 26093125
I can't even get that far i'm stuck at the configuration part of a new windows install
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by:crumley
crumley earned 100 total points
ID: 26093203
Have you tried unplugging the TV or plugging different monitors into your video card?
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by:PCBONEZ
ID: 26093263
When you are installing Windows use one display.
Install the other display[s] AFTER:
- you have Windows completely installed.
- you have run Windows updates.
- you have updated all the drivers.

Multiple monitor configurations are controlled by drivers from within Windows.
During the Windows install all the drivers aren't all loaded yet..
You are 'confusing' the install program, so to speak, expecting it to use drivers that aren't there yet.
.
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by:Arabia_vn
ID: 26093350
Blame your Windows 7 DVD . My advice: if you want to use illegal Win7, at least find a "work one", man.Damn i answer cause i'm in need of points to get to premium service. Hate question like this.
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by:tlman12
ID: 26093363
@crumley no i havn't tried that yet because it's going to be a paint all my other monitors are cable managed into my desk so i'm gona try to get a hold of another cable so i don't have to untie them

@pcbonez it's not a dual monitor setup, the mobo has 2 ports VGA and DVI i assume you can't use them both at once and i only want to use the VGA

@arabia vn the windows 7 copy is legit... what would possibly make you think that it's not. if your in need of points just pay the measly 12bucks a month or whatever it is don't answer a question with "I hate questions like this" it's not cool.  
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by:nobus
ID: 26094245
can you test with another monitor (known good)  ??
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by:PCBONEZ
PCBONEZ earned 200 total points
ID: 26094310
So this TV is an LCD with a VGA input.
Since you are using it as just a monitor [by not sending the signal through a tuner] just calling it a monitor would avoid confusion.

The BIOS video configuration has 4 modes
-
UMA mode is that one in which the video shares the system memory.
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SIDEPORT mode is the one in which the video uses its own dedicated memory.
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"UMA + SIDEPORT" in which the video uses both the system memory and its dedicated memory.
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DISABLED
-

If you are using the on-board video I would use SIDEPORT until you have got the OS stable and then maybe experiment with other options.

If you are using an add-in video card it should be disabled.

.
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by:Callandor
ID: 26095773
I'm trying to reconcile your statement "the os (Win7) installs just fine" and "I can't even get that far i'm stuck at the configuration part of a new windows install".

Did Win7 install successfully?  If it did, you should be able to see something on your display - you don't even need the motherboard drivers to get that far.  Did you ever see the Win7 desktop?
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by:tlman12
ID: 26096267
@pcbonez   i did see those settings and didn't quite understand what each one meant i will try giving the video dedicated ram and see what happnes.

@callandor   Windows 7 installs fine i can see the entire install process, i get to the first boot part of the os install (the part where you configure the timezone, network, ect... before you get to the desktop. i think it's at the part where the os automaticly configures your video settings cause if i recall that the first thing it does and i think that it is configuring the os to use the DVI port? i wish was hopeing that mabye there was a way to disable the digital output on the motherboard like in the bios or something because i won't be needing it for what i'm using this build to do.

@nobus     if all else fails i will dig out a cable and disconnect one of my known to be good monitors and try that. it'll just be a pain if it turns out to be something eaisier like a bios setting >.<  lol
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Accepted Solution

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tlman12 earned 0 total points
ID: 26130889
alright, I finally got a chance to sit down and just screw with it. it turns out the problem was exactly what i thought. Windows 7 was automacticly upping the video settings to the max (or what it thought was the max) for my TV. the video card was unable to display the max that my tv could support (I know this because it works just fine with the same settings on a PCI 2.0 8800GT that i have).

Of course i'm always the overthinker but i'm supprised that no one mentioned trying to boot in VGA mode? i pretty much had one of those duh!! moments when i thought about it later :) although that would have "solved" my issue that would have deffinatly pointed out a settings problem as apposed to a graphics problem.

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