Question about Sony VAIO Digital Studio PCV-RX850 PC Desktop

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Fan running, No graphics output. HDMI light on. No visible boot display

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Your VGA card must be the trouble part for u.

Posted on Oct 01, 2010


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I am having a Problem with my video card not letting me run an addition monitor off the vga output on the motherboard. I know it works because I can go to the bios and change it and it works but they want...

When using a PCI or PCI-E graphics card, it will disable your standard VGA output port because the up-dated graphics card and your factory VGA port require different display drivers. Usually, the drivers are conflicting and will make your system unstable and cause it to crash. In short, you can't use both at the same time. I have a Radeon HD 5450 graphics card installed on my PC and it too has disabled my standard VGA port. If you are trying to use more than one monitor, you have to install a graphics card that supports a multiple display output. The graphics card will either have 2 VGA ports, 2 DVI-D ports or 2 HDMI ports or even any combination of the 3. My card, for example, has 1 VGA, 1 DVI-D & 1 HDMI. I can run up to 3 monitors at a time via my graphics card, but I cannot run a 4th monitor from my factory VGA port. My graphics card uses ATI/AMD drivers while my VGA port requires the use of Nvidia drivers.
I hope that you find this useful.

Mar 26, 2015 | Lenovo ThinkCentre Computers & Internet

1 Answer

Video output to hdmi cuts out after bootup

Your HDMI cable maybe not compatible with high resolution, there are normal and high speed HDMI cables, all can display low resolution boot images but only high speed ones can display Windows higher resolutions and being identified correctly by Windows. Try a certified high speed, version 1.3b or higher cable from a well known TV manufacturer, but since these are quite expensive before buying it borrow one to a friend or try to do this:Wait for Windows to load and hold Windows key pressed while you press and release P key 4 times* and then release Windows key. Press enter to confirm the new settings.
This should change output to second display, then you can configure display settings through the control panel, navigate to screen resolution and you will see a preview of the desktop on all enabled displays, click detect button and VGA monitor should dissapear from preview and make HDMI to be used as the first display. Shutdown and turn on again to see if Windows keep the settings correctly, if not you may need to ask your graphics card manufacturer if there is an option or utility to force HDMI always on.

* Press and hold Windows key, then iIf you press P key 1 time activates first display, 2 times duplicates the image on both displays, 3 times extends desktop to second display and 4 times enables only secondary display, finally release Windows key and press Enter to confirm.

Nov 09, 2013 | Computers & Internet

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Blank display

Could be hard drive crash , could be graphics chip failure , could be power supply failure............................

too vague description :

1. does screen show ANYTHING during boot attempt ?
2. can you hear hard drive or heatsink fan spin on boot ?
3. do you get keyboard LED's to light up on boot ?

If NO on 1,2,3, then power supply is toast . get new one........
If No , Yes , Yes , then graphics chip dead . Try external VGA->VGA output to other monitor , see if that works.
If Yes , Yes , Yes , but not booting then hard drive is toast , try replacing it and re-install windows .

Aug 13, 2013 | HP Pavilion dv9005us Notebook

1 Answer

New GA-990AX-UD3 motherboard will not boot

I have had a Gigabyte mobo not boot due to a pushed pin on the 24-pin mobo connector. I fixed and it booted normally. In your case it seems to be the video card. Are you using the DVI or HDMI output. Use the DVI first to setup your card on a monitor not a TV. HDMI is notorious for not working on a new build. Also reseat your video card and be sure non of the pins on the board itself are pushed in, or stuck in the out position it can happen. Also be sure your card is in the top slot or the 16X slot for the first boot. The one closest to the CPU. This may help. -Devin

Oct 25, 2012 | Gigabyte Computers & Internet

3 Answers

I have new intel dh55tc . I get display through nvidia graphics card . can I get display through vga.


You can get a display through > DVI, VGA, HDMI which are on-board. You can also use the nVidia card which may be better.



Jun 15, 2011 | Intel DH55TC Motherboard

1 Answer

I have an asus m2A vm hdmi mobo. I needed a better graphics card for some games. I installed a Sapphire Radeon 5570 2Gb DDR3 HDMI card. The bios selection of PCI-E, VGA or PCI is set at PCI-E. I get no...

you will have set your computer to failsafe defaults or optimised defaults first to get your resolutions to there defaults first
During the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! red x right click select reinstall drivers if your computer came with a motherboard disc the drivers could be on it or you could download on the home page you should see the download software finder under that there will be a list platform, category sub category price from the category drop down list select drivers then from the price drop down list select free or which ever applies to your need This release for all Radeon family products updates the AMD display driver to the latest version. This unified driver has been further enhanced to provide the highest level of power, performance, and reliability.
hope this helps

May 30, 2011 | Sapphire 100293-2GL RADEON HD 5570 2GB...

3 Answers

Pci express will not work

Your N9600GT provides two HDMI out puts for dual display.
Even though you are currently only using one HDMI. Switch your monitor cable to the other HDMI out put. See if you now have display.
Also while in the bios allow, Page 2-27 in manual, Allocate IRQ to PCI set to [Yes]. Page 2-24, Internal Graphics Mode Select, [Disable]


Oct 07, 2009 | ASUS P5GZ-MX Motherboard

1 Answer

Graphics card hdmi output to monitor digital input seems to not be working

i am having a problem with my sound and i need sound driver for dell dimension 2350

May 22, 2009 | Gigabyte Computers & Internet

1 Answer

Mag monitor doesn't display bios post

I have no experience with the DVI links because such technology is still unavailable here in Argentina. We have DVI video cards but finding a suitable DVI monitor is another (long) story.
I think that your card (that has 2 DVI ports) is initializing one port first (the primary one) and then, when windows starts, it initializes the other and outputs video from both ports.
Try connecting the monitor in the other DVI port.
If your card has a VGA output, the VGA gets initialized first.

May 06, 2008 | Computers & Internet

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