Question

Connect New Desktop PC with Monitor - Problems

Asked by: Jetheat

I have just bought a brand new PC. It's just the base unit. I already have a 23" monitor from before which has a DVI lead.

The computer which I bought does not have a DVI output. It has a VGA input port and a VGA output port (one male and other female).

So I bought an adapter from ebay DVI (F) to VGA (M).

I connected my new computer with my Sony screen and the screen would not do anything. It did not recognize the computer.
I changed the input to 1 and 2 on the monitor but still no luck.

So then I tried connecting the new desktop to my laptop with a VGA cable to see if I can get it to display on the laptop (monitor 2).

That didn't work either.

I'm using the Computer Female VGA port to connect with the monitor.

It's not connecting.

Can someone help? I have checked all the cables multiple times.


JH


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Asked On
2008-12-22 at 15:03:40ID24004497
Tags

dvi

,

vga

Topics

LCD & Plasma

,

Personal Computers

,

Networking Cables

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Answers

 

by: dekkarPosted on 2008-12-22 at 15:10:18ID: 23230427

do you have another monitor you can test?

this would be the first thing to do. To work out if its the mon, or the comp.

 

by: JetheatPosted on 2008-12-22 at 15:12:06ID: 23230438

No, that's why I tried it on the laptop.

All I have is another iMac (all in one) but I guess that wont work.

JH

 

by: JetheatPosted on 2008-12-23 at 00:20:36ID: 23232035

Ok, I hooked the monitor up with my old 'hardly working' computer base unit and the monitor came on, but that's because it was plugged into the DVI port.

When I switched to a vga port on the same computer via the adapter, it wouldn't work.

Is there any setting I need to change?

JH

 

by: pseudocyberPosted on 2008-12-23 at 03:53:33ID: 23232836

You should probably just buy a video card with a DVI output.

 

by: JetheatPosted on 2008-12-23 at 06:11:43ID: 23233587

That's an expensive option after I just bought a new computer.
I'd like a workaround first.

The DVI Adapter which I bought has 4 extra holes around the flat pin.
The Monitor DVI male connection does not offer those 4 pins, so those pins are left empty in the adapter.

Could this b the problem?

JH

 

by: network_admin3540Posted on 2008-12-23 at 12:24:41ID: 23236382

Is the connector a DVI-D, DVI-A, or a DVI-A? D=digital, a=analog, i=universal; can carry a digital or analog signal both ways. What type of signal does the computer's video card produce?

If you have DVI-D and your VGA signal is analog, it will not work. Or if you have a DVI-A and your VGA signal is digital, it will not work. They are not interchangeable.

If they are different signals, you will need a convertor box.

Hope this gets you moving in the right direction.

Here is a really good website to look at as well: http://www.datapro.net/techinfo/dvi_info.html

 

by: JetheatPosted on 2008-12-23 at 15:25:44ID: 23237671

The adapter I bought is a DVI-I and VGA.
I don't know what the computer produces.

Where can I get a converter box?

I'll take a look at the link,

Thanks,

JH

 

by: PCBONEZPosted on 2008-12-26 at 20:52:29ID: 23247389

How about telling us what the system is so we can figure out if it's already compatible?

If not compatible the best solution is to replace the video card with one that will do the job.

.

 

by: PCBONEZPosted on 2008-12-26 at 21:05:36ID: 23247411

An active external converter box (one that processes signals and isn't just wire correction) probably runs around $200 to $300.

There are some chezzy USB to DVI adapters that start at around $100 but don't expect a great picture from one of those. They are basically a USB powered video card and they don't have much RAM.

.

 

by: JetheatPosted on 2008-12-27 at 06:03:30ID: 23248285

I think a converter box is too expensive. I'd rather get a graphics card to fit the monitor.

The new system which I just bought is this:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item=120348409720

The monitor I have from 2 years ago is the Sony P232W Monitor:
http://www.dooyoo.co.uk/tft-monitor/sony-p232w/

I just need to know if there is an adapter which will do the job for me.
I bought a DVI-I adapter but that doesn't work. I don't know if the adapter is faulty or if its something else.

JH

 

by: JetheatPosted on 2008-12-31 at 18:16:31ID: 23273963

Any further solutions?

 

by: richelieuhqPosted on 2009-01-02 at 06:25:48ID: 23279465

Hi,

Why you dont take the video card from you old pc to your new one???

 

by: JetheatPosted on 2009-01-02 at 06:27:08ID: 23279473

AGP vs PCI Express

 

by: richelieuhqPosted on 2009-01-02 at 06:40:10ID: 23279555

Ok,

So just like "pseudocyber" tell you before. I think you should need to buy a new PCI-E video card with a DVI output. I see some place that sold from less 50$ for used one but in good shape, like mine.....

 

by: JetheatPosted on 2009-01-02 at 06:47:22ID: 23279607

Yes, that option was always there but the reason for posting here is to find a solution with this DVI adapter thing.

I just tried another DVI adapter today (DVI-D) and it still does not work.

JH

 

by: PCBONEZPosted on 2009-01-03 at 00:02:20ID: 23284376

What is the monitor?
Make/model.

The VGA output is analog.
If monitor only accepts Digital then a 'wire correction' adapter won't work.
You need an Analog/Digital Video Converter and those are EXPENSIVE as I said before.

That's why I suggested a new video card.

.

 

by: JetheatPosted on 2009-01-03 at 00:18:36ID: 23284397

Its a Sony P232W 23" Widescreen

Ah, ok.

What is the purpose of having a DVI to VGA adapter if it doesn't convert from VGA to DVI?

JH

 

by: PCBONEZPosted on 2009-01-05 at 22:18:40ID: 23302189

It converts DVI[analog] pinout to VGA[which is also analog] pinout.

It does not convert DVI[digital] to -anything- [analog].
To do that requires an electronics circuit called a D/A converter.

DVI is just a connector.
The signal is based on the the circuit it's attached to.

THE SIGNAL going through a DVI connector can be:
Analog only [DVI-A]
Digital only [DVI-D]
Both digital and analog. [DVI-I]

Only DVI-I and DVI-A signals can be converted to a VGA without a circuit involved.
That other circuit is essentially a video card that doesn't fit into a slot and that  costs more than a middle or low end video card.
- http://www.datapro.net/techinfo/dvi_info.html

Now that I know the model:
The DVI connectors on you monitor are DVI-D. - Digital only.
Not compatible with VGA without another circuit involved.

Spec sheet says it has VGA connectors also.
THAT port would be analog and compatible with your video card without any adapter at all.
Just need a VGA-VGA cable.

~~~~~

and to this part:

>> So then I tried connecting the new desktop to my laptop with a VGA cable to see if I can get it to display on the laptop (monitor 2) <<

PC's VGA port is 'out' to a monitor.
Laptops VGA port is 'out' to a monitor. (As in monitor 2)
- They are both outputs only so your results are to be expected.
- In fact it's possible to damage something that way.

~

 

by: JetheatPosted on 2009-01-06 at 06:28:20ID: 31528378

I bought a PCI Express Graphics Card and that solved the problem. I just didn't want to bother with the adapters anymore.

BTW, the 128 MB card I bought doesn't give me the full res of my screen. Is this normal?

JH

 

by: PCBONEZPosted on 2009-01-07 at 15:46:08ID: 23320872

Thank you.

You need to open another question to chase the new question down.
When you do mention the make/models of both the Monitor and Video card right off so the experts don't have to ask. (Things will go quicker that way.)

20120131-EE-VQP-002

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