Question about Intel Desktop Board D845GVAD2 Motherboard

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No Video the computer comes on(green light on the front), the fan starts but the only display is "no video" and the video goes blank. could the video connection/mother board be bad? other than this there is nothing else to tell you what might be going on. I have tried 2 different monitors that I know work on other machines but to no avail. Any help would be greatly appreciated. Thanking you in advance, Keith keitho47@comcast.net 202-414-8176 (work number)

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Hi Keith, the Intel D845GVAD2 board uses an integrated graphics card for video & also uses your system memory to function.
Suggest, you remove the system memory & clean the contacts with alcohol. (Allow time for the alcohol to dry). Blow the memory slots out with canned air to remove any dust build up. Reseat your memory & boot the system. (No display)?
From your description it sounds like the integrated graphics controller may be bad. The only way to test this would be to add a PCI video card to the system.
The board’s bios uses auto detect. If you add a PCI graphics card to the system the bios should auto detect the PCI video card & load display.
There is a chance that the controller is too damaged & the bios will not see the PCI graphics add in card. In this case the board would be considered bad. If you have a local computer shop or know of someone who may (have a known to be good) PCI video card, you can ask to borrow it & test your system for video display.
Here is a link to an inexpensive PCI card:
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2174312&CatId=695

Intel's web site, downloads for the board D845GVAD2:
http://downloadcenter.intel.com/filter_results.aspx?strTypes=all&ProductID=898&OSFullName=Windows*+XP+Professional&lang=eng&strOSs=44&submit=Go%21

Good luck Keith!
Mike


Posted on Dec 01, 2008

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A blacked-out screen doesn't necessarily indicate a broken monitor.
If the computer has run out of charge or is in hibernation or sleep mode,


if the screen is too dark, or if the display cable has come disconnected from the motherboard, the screen may appear black or fail to turn on.


To fix a blacked-out laptop screen, troubleshoot the screen settings, check the LCD connector and see if the computer is awake and receiving power.


Touch the touchpad or move the external mouse to see if the computer is asleep or hibernating. If the computer fails to respond, press "Enter" on the keyboard.


Press the power button if the screen remains black.

Confirm that the power indicator light, found at the front of the computer or above the keyboard, is glowing solid green or blue.


Confirm that the power adapter is plugged into the computer and into a wall outlet. Confirm that battery indicator light is glowing solid green or blue.


Hold down the "Fn" key. Press the up-arrow to see if the screen brightness increases.
Some computers also use the "F6" or "F7" keys to increase screen brightness.


Hold down the power button for 10 seconds to turn off the laptop.
Remove the AC adapter from the computer, close the screen, and then turn the PC over.


Slide the battery latch to eject the battery. Pull the battery out of its compartment.


Turn the computer back over, open the lid, and insert the edge of a flathead screwdriver or other flat, solid object beneath the bezel above the keyboard.


Wedge the edge of the keyboard bezel off of the top cover.
Work your way along the edge of the keyboard bezel to loosen it.
Pull the bezel off the laptop.


Trace the cable coming from the laptop screen to the connector found beneath the bezel. Reconnect the display cable to the motherboard if the cable has come loose from the connector.

Line up the tabs on the bezel with the slots along the top of the keyboard. Insert the right edge of the bezel into the gap above the keyboard, and then push the bezel back in place.


Turn the computer back on. If the laptop screen is still blacked out, connect an external monitor to the video port on the side of the PC to confirm that the video card isn't defective.

If the external monitor works, the LCD screen could be broken.

If the monitor doesn't work, the motherboard or video card might need to be replaced.


Hope this helps





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