I just purchased a Dell Precision 390 -- the video card is 128MC PClex16 Nvidia, Quadro NVS 285, dual DVI or VGA. In order to get a crisper image I purchased an adapter/cable to hook up DVI, the monitor keeps stating "Check Signal Cable, Analog." Is there something that I need to do to switch to digital? I have check all my connections and everything seems to be connected.
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The problem could be in the adapter to the video card. There are different types of DVI connections. If the adapter does not have the proper set of pins then the card will not recognize that a monitor is connected at that port. Monitors themselves have no bearing on whether a single or dual monitor set up will work or not. Digital Visual Interface Follow this link, it may help you determine if the adapter you are using is correct for the graphics card.
DVI ==> Digital Video Input
If your monitor has both DVI and VGA inputs, and your PC's video-card has both DVI and VGA outputs, then buy a DVI-to-DVI cable, and use it, for a better picture.
If your monitor has both DVI and VGA inputs, and your PC's video-card only has VGA output, then use a VGA-to-VGA cable. Or, purchase a video-card with DVI output, to replace the video-card with VGA output, and then use a DVI-to-DVI cable.
Thank you for providing your configuration details.
You have failed to specify wheather or not your LCD Display is under Warrenty.
Perhaps these simple trouble shooting procedures will get the job done.
1. use the DVI to VGA adaptor that came with your card
Plug in a regular CRT monitor to the Primary Display Output Port using the DVI to VGA adaptor
( either port can be designated as the primary by you )
I like to use the Port nearest to the motherboard as the Primary
2. plug in the your LCD monitor on Secondary Display port using your DVI cable
At this point you should be able to see your desktop on the Primary CRT Display
3. Go to the display properties and use the Nvidia Dual Display Setup Wizard
set both desktops to CLONED at a resolution of 1024x768 and set the refresh to 60Hz
which is default for most LCD displays , some have higher refresh rates , consult your user manuel
If the display resolution and refresh are set incorrectly for your CRT or LCD you will see
Signal Out of Range ( if the display has the ability to display that error message )
At this stage both displays should be showing a Windows Desktop
If you now see your desktop on both displays , you can now put the LCD on the Primary Port
No Signal Detected ( this means the display device is not receiving a signal )
If your LCD display is still displaying the error message
"No Signal Detected" after performing the trouble shooting proceedures
You may need to read the user manuel about how to enable DVI signal input.
If you are certan you have done everything correctly but still see only "No Signal Detected"
Did it work properly using a VGA (analog) cable? If so, check your DVI (digital) cable against the pictures at the bottom of http://www.datapro.net/techinfo/dvi_info.html. You probably have one of the two at the left. Each has a different bandwidth, translating to a maximum resolution. The native resolution for your monitor might be marginal if you have a single-link DVI-D cable. My 204B seems very picky about signal-level. It blinks when connected by DVI, even though it should be fine with a single-link cable, and complains about the settings even though the settings are optimal. Maybe yours is similar. I have ordered a dual-link cable and will try that myself.