Question about ViewSonic VA712B 17" Flat Panel LCD Monitor

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No digital signal but analog works fine

I've got both a mac and pc with digital connectors to test the connection, tried switching dvi cables, and fiddled with every setting, but for some reason can't get a digital signal to appear. Only analog. When there's nothing but a dvi connection then I get a "No Signal" Message on the screen. When both analog and digital are connected, the display switches to analog after I try selecting digital. The digital connection worked fine until about a week ago.

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Seems like this was already answered? But once you've checked against the owner's manual and ruled out the PC, I would suspect the signal / video board inside the monitor. May have gotten a surge or static, etc.

Posted on Jan 12, 2007

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Posted on Jan 02, 2017

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1 Answer

How to install a female DVI to my computer


If you are trying to connect a monitor that has only DVI connections to an older PC that only has VGA-15 pin, the easiest solution is to buy a replacement video board that has DVI capability. However, ensure that the DVI is of the same TYPE as the monitor. There are a number of different DVI configurations, and they are not all compatible with each other. There are VGA-to-DVI adapter cables, but they only work if the DVI is DVI-A or DVI-I, since the VGA port is analog and not digital.

Here is a link to the different DVI configurations. You can compare them to the connector on your device to see what type you need. If it is a digital-only type, you will need either a new video card that supports digital or you need to get a analog-to-digital converter cable. They are more than just an adapter; they have electronics that convert the signal.


https://www.l-com.com/multimedia/tips/tip_dvi_config.pdf

Oct 27, 2016 | Computers & Internet

4 Answers

Playing blue ray movies on jvc dla sx21 projector


It should work right away. Try again, restart the projector and ps3 make sure everything is connected and the input on the projector is on dvi.

May 17, 2008 | JVC DLA-SX21U Multimedia Projector

Tip

Connect you HDTV to your Mac.


One of the first things you may notice about your new big-screen HDTV is that it has more connections for video than your old TV ever dreamed about. It probably has two or three HDMI connections, maybe a DVI connector, a VGA connector, and at least one component video connection. And those are just the connections most commonly used for high definition.
It’s shame to let all those connections go to waste. Your Mac just happens to be sitting nearby; why not hook it up to your new HDTV? It's actually a pretty easy task. A few lucky souls won't even need an adapter; for the rest of us, at least one adapter will be necessary.
Pick the Right HDTV Port For best quality, your HDTV's HDMI or DVI ports are the preferred connection method. Both are capable of the same digital quality. The only practical differences are the style of the connector and the fact that HDMI supports video and audio in a single connection. If it has one, another option is to use your HDTV’s VGA port. The VGA connection isn't as good as the HDMI or DVI method, but as long as your TV supports full resolution via the VGA port, you'll be hard pressed to notice the difference. Mac Pro, MacBook Pro, Mac Mini Mac Pros, MacBook Pros, and Mac Minis have standard DVI connectors. Mac Minis and MacBook Pros have a single DVI port; Mac Pros have at least two DVI ports. If your HDTV has a free DVI port, then all you need is a standard DVD cable; no adapter is necessary. But in all likelihood, you'll need to connect your Mac to your HDTV using either an HDMI or VGA connection; both options require an adapter. If you choose VGA, you can use the adapter that came with your Mac. If you choose HDMI, you'll need a simple adapter, which is available from multiple sources. The adapter may be a cable with a DVI connector on one end and an HDMI connector on the other, or it may be a small adapter that has both types of connectors, but no cable. Either type will work fine. iMac, MacBook iMacs and MacBooks have a mini DVI connector for hooking up external monitors or TVs. You'll need at least one adapter, maybe even two. At a minimum, you'll need a mini DVI-to-DVI adapter. You may also need a DVI-to-HDMI or DVI-to-VGA adapter, depending on which port on the HDTV you choose for the connection. Make the Connection Once you determine which, if any, adapters you need, and have the necessary cable to reach from your Mac to the HDTV, turn off both the HDTV and the Mac. Connect the cable between the Mac and the HDTV. Turn the HDTV back on first. It doesn't need to be set to the connection the Mac is on, but it must be powered up first, so that when it boots, your Mac can recognize the TV and the resolution it needs. Once the HDTV is powered up, turn on the Mac. Your Mac should recognize the format and resolution of the TV, and automatically select the native resolution of the TV for running the video. In a few seconds, you should see the Mac desktop on the HDTV. Over or Underscan You may notice that the Mac's desktop appears to be slightly larger than the HDTV's screen (its edges are cut off); this is called overscan. Or, you may notice that the desktop doesn't occupy all of the HDTV's screen real estate (there are dark areas around the edges); this is called underscan. You can usually correct either issue by making adjustments on the HDTV. Check the HDTV's manual for information on making scan-related adjustments. They may be called overscan, underscan, dot-by-dot, or pixel-by-pixel. If your HDTV has a dot-by-dot or pixel-by-pixel capability, give this a try; it should eliminate any over or underscan issues. Some HDTVs only offer these special scan controls on specific inputs, so be sure to connect to the corresponding input on your HDTV. Time to Watch a Movie Once you have your Mac and HDTV working together, it's time to kick back and watch a video from your Mac. Be sure to check out the QuickTime HD trailers for a sense of what HD and your Mac is capable of. Enjoy!

on Feb 22, 2010 | Computers & Internet

1 Answer

How to switch from analog to digital mode


Any contemporary monitor is able to switch analog/digital mode automatically if connection from signal source to monitor is set up properly.

Connect digital output from your graphic card to DVI input of the monitor. Disconnect any other signal cables from monitor and switch on both devices (PC & monitor). Wait a while. Monitor checks its inputs and a activates digital DVI, because it is only one active input on it.

If none picture excluding error message of monitor is displayed, go through these steps:
1) Check whether your monitor is set for automatic input selection. If monitor buttons have no response try to use analog input to activate screen (any picture, desktop background...) and then get monitor menu access by pressing menu button.

2) Find out what connector type has your graphics card in PC. Possibilities are: DVI, HDMI, DisplayPort and some their options. See Wikipedia for connector look if you are not sure.
Remember that blue D-SUB (VGA) connectors are analogue and you cannot activate digital mode through analog VGA cable.

3) Use appropriate cable to connect monitor to PC.
Example: Your PC has HDMI output. Use HDMi-to-DVI cable. Your monitor input is DVI and common DVI-DVI cable is not suitable in case you have PC with the HDMI.
Note that DVI-to-DVI, DisplayPort-to-DVI etc. cables are available. You must buy right one.

Be aware that "Auto" button is inactive in digital mode of monitor.

Nov 18, 2013 | Belinea 1930 S1 Monitor

1 Answer

Why is there no Signal on the DVI input with my MacBook Pro?


Is your television DVI-D or DVI-I?

If it cannot see the digital display, that might be the problem.

Jan 20, 2013 | Computers & Internet

1 Answer

Connect 26pf5520d to a mac mini


Try to connect your Mac Mini to another DVI-capable monitor. May be your DVI out on Mini doesn't function at all

Aug 29, 2017 | Computers & Internet

1 Answer

I would like to know what adapter (DVI to VGA Cable Adapter) I need to connect to a Macintosh G4. Thanks


Without knowing what Model Number of MAC G4 you're referring to, I can only give you generic information.

If your MAC G4 has a DVI port it is generally the female style.
The DVI connector on the adapter will need to be a male DVI style.

The VGA end of the adapter will be either male, or female. Most VGA connectors on a monitor cable have a male VGA end.

(The DVI end will have the pins sticking out on the adapter. The VGA end will have the socket holes)

Also stated as the monitor cable end will be a DVI male. The port {Connection} on the computer is a VGA female)

Example of a DVI male to VGA female adapter,

http://sewelldirect.com/dviaftovgam.asp

Barring that you need the other style of DVI to VGA adapter, (DVI female on the monitor cable, VGA male on the computer), this is an example,

[ Note* The newer VGA connectors are also known as an HD-15 connector.
More information on the Video Graphics Array connector,

http://en.wikipedia.org/wiki/VGA_connector

More information on the DVI connector styles, and the Digital Visual Interface technology,

http://en.wikipedia.org/wiki/Digital_Visual_Interface

If you should find all of this confusing, simply state in a Comment as to what connector is on the end of the monitor cable, and what connector is at the computer.

State whether the connectors are Male (Pins sticking out), or Female (Socket holes)

Regards,
joecoolvette

Jul 16, 2011 | Computers & Internet

1 Answer

How can i use dvi port


DVI stands for (D)igital (V)ideo (I)nterface.

DVI is a new form of video interface technology made to maximize the quality of flat panel LCD monitors and high-end video graphics cards. It is a replacement for the P&D Plug & Display standard.

you can connect high definition monitor , LCD projector , LCD T.V to a DVI port

There three kind of DVI connector
1. DVI-D (Digital)
2. DVI-A (Analog)
3. DVI-I (Integrated Digital/Analog)

DVI-D format is used for direct digital connections between source video (namely, video cards) and digital LCD (or rare CRD) monitors

DVI-A - High-Res Analog
DVI-A format is used to carry a DVI signal to an analog display, such as a CRD monitor or and HDTV

DVI-I - The Best of Both Worlds
DVI-I format is an integrated cable which is capable of transmitting either a digital-to-digital signal or an analog-to-analog signal, but it will not work transmitting a digital-to-analog or analog-to-digital signal.


How to Recognize These three types of DVI Cable
There are two variables in every DVI connector cable, and each represents one characteristic.

The flat pin on one side denotes whether the cable is digital or analog:
A flat pin with four surrounding pins is either DVI-I or DVI-A
A flat pin alone denotes DVI-D

The pinsets vary depending on whether or not the cable is single- or dual-link:
A solid 27-pin set (rows of 8) for a dual- link cable
Two separated 9-pin sets (rows of 6) for a single-link cable

Jul 12, 2011 | Computers & Internet

1 Answer

I plugged in the pc with a dvi cable but no pict is showing,in the front pc connection the pict shows but the picture is rather 4:3 or full screen but very bad pict(changing the resolution on the pc)telll...


When you connect the DVI, try hitting the input, source, or conection button on the remote on TV. Some vendors use different names for the button. Use the procedure below to set the resolution for the second screen to 640X480 first, then move the resolution up one notch at a time to see what your TV can handle.
Many televisions don't allow an input through the VGA connector that's a higher resolution than 640X480. That is probably the format that you see appearing on screen where everything looks huge. You may be able to increase from that slightly after getting 640X480 working.
When you've made all the cable connections right-click on the desktop, then choose PROPERTIES from the bottom of the list.
A small window will appear with a few tabs on the top choose the last one, SETTINGS.
Click on the screen shown on this tab with a numeral 2 shown. On the middle-left you'll see a slider showing large and smaller at each end, bring it down to 640X480, then hit apply
A pop-up will appear asking you to confirm that this size is working, click yes if when it does.
Try increasing the resolution by a notch to see if the next size up works with your TV. If you see the Invalid Format on your TV again, you've gone higher than this particular input on your TV will accept.
To get a higher resolution signal you made need to switch to a different cable type, try DVI or HDMI. Either of the two should work more automatically than the VGA cable you are now trying.
If your computer only has a DVI port and the TV has an HDMI port you can get a cable that has DVI at one end and HDMI at the other by clicking here:

May 11, 2011 | Televison & Video

1 Answer

Hdmi will not work only use of component cables will.


Hello

The HDMI[1] input on your TV receives digital audio

and uncompressed digital video and audio from an

HDMI device or uncompressed digital video from a

DVI[2] device.

This input is designed to accept HDCP[3] program

material in digital form from EIA/CEA-861/861B-

compliant[4] consumer electronic devices (such as a settop

box or DVD player with HDMI or DVI output).

The HDMI input is designed for best performance

with 1080i high-definition video signals, but will also
accept and display 480i, 480p, and 720p signals.

To connect an HDMI device, you will need:

• one HDMI cable (type A connector)

For proper operation, it is recommended that you use

a short HDMI cable. You should not encounter

difficulty if you use an HDMI cable shorter than 16.4

ft (5m).

HDMI cable transfers both video and audio.

Separate analog audio cables are not required (see

illustration below). Some CDVs (video CDs) may

not output digital audio signals. In that case, you

may hear sound by connecting analog audio cables.

However, if you connect analog audio cables with

this connection, the HDMI terminal on the TV will

not receive the HDMI digital audio signal and you
will hear analog audio only.

To ensure that the HDMI or DVI device is reset

properly, it is recommended that you follow

these procedures:

• When turning on your electronic components,

turn on the TV first, and then the HDMI or

DVI device.

• When turning off your electronic components,

turn off the HDMI or DVI device first, and
then the TV.

To connect a DVI device, you will need:

• one HDMI-to-DVI adapter cable

(HDMI type A connector)

For proper operation, the length of an HDMI-to-

DVI adapter cable should not exceed 9.8 ft (3m).

The recommended length is 6.6 ft (2m).
• one pair of standard analog audio cables
OK

Dec 16, 2010 | Toshiba 30HF84 30" TV

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