Question about PC Chips (M791G) Motherboard

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Onboard vga is not correctly function, the picture not show in monitor

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One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect your hard drive

Test all leads that attach to your hard drive including electrical extensions IDE,SATA

the leads from your "((motherboard to your hard drive))" make sure they have a secure connection and are not faulty or just replace them there probably old and faulty

make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error If your computer came with a motherboard disc the drivers could be on it or you might have a dirty graphics card remove the graphics card and clean the socket hope this helps

Posted on May 24, 2011

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1/3 of top screen show normal picture. last 2/3 screen snowy noise


Hi,
You have to check if the video cable is connected properly in both sides the pc and the monitor and if so you have to try another cable
and if that doesnt help and your vga adapter is not onboard reseat it in place and last thing if that doesnt solve the prorblem try to connect another monitor to determine if the problem is from the pc or from the monitor.
Good luck

Mar 05, 2015 | Computers & Internet

1 Answer

Have a dell 1720 no picture but sound


No picture when? What are you doing to have sound but no picture? Are you playing a movie dvd?

If you are saying when you boot the computer it seems like it is running because you heard sounds, but the display is blank then try the steps below.

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

May 24, 2012 | Dell Inspiron 1720 (dncwma1_1) Intel Core...

1 Answer

Power on but no picture and sound


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Apr 28, 2012 | Computers & Internet

1 Answer

Fn f1 diidnt do it, hdoes any one no if i can fix it wihout having to replave moniter or connection switch?


I think you are hitting the wrong Function Key combinations. Why are you using an external monitor anyway? What is wrong with the laptop's LCD Screen?

Plug in an external monitor and see if thedisplay shows up on it. It can be any kind of monitor even the old big fat crtmonitors as long as it has a vga cable to connect to your computer's vgaport. If so that proves your video card is ok. The video will showon most systems when you reboot without you having to do anything. Some systemswill require you to hit the FN (Function key) + F1 thru F12. Hold downthe FN key then hit the correct key for displaying on the monitor (F1 thruF12). The correct key will normally have CRT/LCD on it or it will havethe icon of a display.

Each time you press the FN key plus the correct Function Key it toggles the Display between three stages (Show on Laptop only, Show on External Monitor Only, Show on both the laptop and the external monitor).

Apr 09, 2012 | Computers & Internet

1 Answer

No display


Tell me if you can see anything on the monitor while the pc is booting/starting.Is your monitor connected correctly ?Is your monitor operating well with other PC?
This motherboard you have has an onboard VGA card. Check if you have a PCIex VGA card connected on the motheroard.
In case you have one then deactivate the onboard one through the bios and connect your monitor to the PCIex one.If you dont have an external PCIex card thenGive me more details if you want me to help you.

Sep 04, 2011 | ASUS P5KPL-AM SE Motherboard

2 Answers

Moniter keeps turning off saying no video imput


Hello and Welcome to FixYa!

Check that the Input signal cable is properly inserted in the VGA socket. Secondly the Primary VGA is properly giving display signals to the Monitor/LCD. Because there are cases in which VGA is the bottle neck of the trouble you are facing.

Cross check and update me with the status,

Best of Luck,

Do RATE the solution, If found Helpful,

Concerned.

Jun 13, 2010 | HP vp17 Monitor

1 Answer

Monitor Not Showing A Picture. Light flashes Yellow and Green.


use the onboard graphics instead of a seperate graphics card (if installed) to test the screen.if it still doesn't work then unplug your monitor from the mains supply and plug in again to reset it. i doubt it's your monitor that is the problem though. but look on the back of your pc for another connection for your screen. the onboard graphics connection is normally vertical near your ethernet port and mouse and keyboard inputs.

please rate me and give me a fixya! if it helped.

Apr 05, 2009 | Acer AL1713M 17" LCD Monitor

1 Answer

BenQ monitor stops displaying picture, but shows blue light indicating that it is on.


is the vga connections in correctly?
if the computer is new and it has a graphics card, then it will need to be plugged into the graphics card vga socket instead of the onboard vga socket.
it may also be a graphics card fault, try using another card, maybe borrowing one off a friend.

hope this helps.

kev

Oct 03, 2008 | Computers & Internet

1 Answer

VGA


It can do give it a try I have never had trouble doing this if not
go into BIOS and reset video

Aug 15, 2008 | Mach Speed (PM9MS) Motherboard

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