Mini dvi-vga problem - Need help

When I connect my mac mini to a 32 inch Samsung HDTV via a dvi-vga adapter, the source is not recognized. I jsut get a black screen. However, when I connect it to the HDMI port, it works great. But, I wantto use the HDMI port for the Television source, not the computer source.
Any ideas?
Thanks

Did you get the mini-DVI to VGA adapter from Apple? Are your other cables okay?
Perhaps a mini-DVI to video adapter would be a better choice for you.
~Lyssa

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Mini-Dvi - VGA Problems

I just bought a mini-dvi to vga adapter from apple but can't get it to work with my philip's hdtv. It works perfectly when plugged into my pc monitor, but when going into the tv I just get a blank screen with "no signal detected". I've using a VGA to DVI convertor on the cable going into the tv, I know I should have gotten a straight mini-DVI to DVI cable, but I wanted to be able to use VGA as well.
My old iBook worked perfectly, but it detected my tv as a VGA monitor, whereas the MacBook detects it as a HDMI display. Is there any way I can force OS X to set my TV as a VGA display? Or is there any other fix around?
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Well, I just got myself a mini-DVI to DVI adaptor so that I could connect it to a DVI-VGA adaptor and on to my VGA (Apple) CRT.
I may get a DVI-capable monitor in the future, so it seemed like a good future-proofing exercise. Unfortunately the DVI plug has four more pins (around the flat-blade pin) than the port on the mini-DVI adaptor has holes!
so it doesn't fit.
DRAT! I have been waiting for the DVI adaptors to come into the Apple Centre for a couple of weeks, and now it's no good! Grrr.

Macbook mini-dvi -- VGA projector problems

Hi
At the school i teach at we have problems hooking up our new macbooks to one of our projectors. We use a mini-dvi --> VGA cable to hook up the projector. The mac recognises the projector and it gets listed under screens, the resolution also changes. But no picture is beeing projected by the projector.
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I am having the same problem. I have to do powerpoint presentations at college and it was so embarrassing to go up there and my macbook not sync up. It use to work. I even bought a new adapter. It did not fix the problem. All the windows laptops were able to sync up to the projector but mine did not. This one one of the main reasons I bought a macbook. I need to take my work to school and connect to projectors. I am using the mini-DVI to VGA adapter. There appears to be no physical damage. When I click detect displays nothing happens. Now I have to redo everything on windows. Please, I hope someone has a fix for this. I am using the following; 2 GHZ Intel Core 2 DUo, 1 GB RAM, Mac OS X 10.4.10

Mini DVI - VGA Issue

I purchased a Mini DVI-VGA adaptor from Apple over a year ago. I've used it only to connect my Macbook to a projector. Once connected, the screen will flash briefly and then the resolution will change and I will be able to switch back and forth from single screen to dual screen by clicking F7...but this was back when things were beautiful and I had no issues.
Now, my adaptor will not work...neither would another Min DVI-VGA adaptor that I tried...but yet the port will work when I connect my Mini DVI-SVideo/RCA adaptor.
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Hi. I have pretty much the same problem: everything was fine until yesterday. As usual, the screen flashed briefly but then the resolution DID NOT change and the projector could not connect. After removing the adaptor, the screen flashed again but that's it but there was no difference as the resolution had not changed. To note that the adaptor is (grrrr) new (bought about a month ago). Could it be an issue with MAC OS 10.6.2? or maybe the firmware needs an update? I'd be glad if someone could help. Cheers,
Message was edited by: pbeauverd

G5 DVI to VGA Dell Monitor Connection problems, need help!!!!!!!!!!!!!!!!!!

hello,
I'm running two dell monitors both of which were connected via DVI to my g5 quad dual dvi. My tv broke and I'm using one of my monitors to connect the cable boxes HDMI input to the dells DVI input, it works great.
My problem is that i still want to run two monitors from my mac and still be able to switch channel sources from the Dells source button allowing me to switch from TV to Mac. Since I took up the dvi port on one of my monitors to connect to the cable box via HDMI, I have a free DVI cable. I purchased a tiny converter that allowed to change one end of the free DVI cable to VGA. I used this method to connect the cable to my g5's dvi port and the configured end to the VGA port on the monitor with no luck.
The Dell monitor does not pick up any signal and just goes to sleep as if my computer does not exist. The TV works fine and I'm able to switch sources. Please note that I'm not using the DVI-VGA adaptor that came with my g5 and don't know if this would make a difference. If it does, how do i set this up because this adaptor is like 5 inches long.
Does the adaptors DVI end need to be connected to the back of the g5 or does the VGA end need to be connected to the monitor or does it not matter. I need a longer dvi-vga cable as well, do they make them. This all depends if the problem actually is that that I'm not using the DVI-VGA cable that came with my mac to connect to the monitor in the first place.
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Bad adapter?
The G5 ports are DVI-I. Any good DVI-I to VGA adapter should be fine.

Mac mini 2009 . Mini DVI - VGA adapter with Monitor LG L1953S . No sleep .

Hi ..
Yesterday i started in the fabulous world of MAC with my brand new MAC MINI . The problem that i have is that when the MAC mini is in stand-by the monitor is not in sleep state , and i get in the monitor screen " check cable " . So i have to disconnect manually the monitor when mac is in sleep state .
I am using mini-dvi to vga adapter (original mac ) .
¿What is the problem ?
Thanks a lot ...

DVI-I provides the direct Analog signals needed to get VGA using a very simple adapter.
DsiplayPort (and its Mini variant) requires a converter to produce VGA or Dual-Link DVI, and the converter must be active/powered. There is a lot of logic in those converters. It may also have additional limitations.
In general, you should hook your highest resolution, most demanding display up with the DVI to VGA adapter.If running two Mini DisplayPort displays, ALL MiniDisplayPort converters must be active/powered.

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right,
ive got a 20" intel imac. i bought a mini dvi to video adapter.it said it works with the intel macs.
i maybe being a bit thick here but the end of the dvi seems to be a different size to the port on the mac.
please help....................

You might find relief in the iMac Forum. Perhaps they will appreciate your distinctive thread header style more fully.
good luck.
x

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I just bought a Mini-DVI to VGA Adaptor cord So I could have dual displays. But the slot on my mac is a diffrent size. Did I buy the wrong cord? what cord should i buy.

You don't have a Mini DV slot. What you have is a Mini VGA slot. The Mini DV slot is double the height of your slot. For comparison, check out these two:
http://en.wikipedia.org/wiki/Mini-VGA
http://en.wikipedia.org/wiki/Mini_dvi
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the cable was broken - new one from apple fixed it

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Hi BMBell1919
Do it the other way around!
1. Connect the VGA cable to the TV.
2. Connect the Adapter to the VGA cable.
3. Then connect the Adapter to the iMac.
See the Tip in > http://support.apple.com/kb/TA23844
{quote:}Tip: To make sure that your iMac automatically detects the external display or projector, be sure you plug the adapter into the external display or projector before you plug it into the iMac.{quote}
Dennis

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johnnnyp wrote:
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Still stuck with the same old producer consumer weight problem need help

Hello All,
This is the problem I am stuck with right now.
I have two array lists one producer array list and one consumer array list denoted by a and b
P1 P2 P3 P4 P5
5 6 7 8 9
C1 C2 C3 C4 C5
2 3 4 5 6
Now we find all those producer consumer pairs which satisfy the criteria Pi>=Ci
We have the following sets
(5,2)(6,2)(7,2),(8,2),(9,2)
(5,3)(6,3)(7,3),(8,3),(9,3)
(5,4)(6,4)(7,4),(8,4),(9,4)
(5,5)(6,5)(7,5),(8,5),(9,5)
(6,6)(7,6)(8,6),(9,6)
Let us done each of them with Si
so we have S1,S2,S3,S4,S5
we assign a third parameter called weight to each element in Si which has satisfied the condition Pi>=Ci;
so we we will have
(5,2,ai),(6,2,bi),(7,2,ci)....etc for S1
similarly for S2 and so on.
We need to find in each set Si the the pair which has the smallest weight.
if we have (5,2,3) and (6,2,4) then 5,2,3 should be chosen.We should make sure that there is only one pair in every set which is finally chosen on the basis of weight.
Suppose we get a pair (5,2,3) in S1 and (5,2,3) in S2 we should see that (5,2,3) is not used to compare to compare with any other elements in the same set S2,
Finally we should arrive at the best element pair in each set.They should be non repeating in other sets.
Given a problem
P0 P1 P2 P3 P4
9 5 2 2 8
6 5 4 5 3
C0 C1 C2 C3 C4
we have So as (P0,C0) and (P4,C0)
assuming that the one with the smaller index has lesser weight PO is selected.In the program I have used random weights.from set S1 we select the pair PO,CO
S1 =(P0,C1),(P1,C1) and (P4,C1)
since P0 and P4 are already used in previous set we dont use them for checking in S1 so we have (P1,C1) as best.
S2=(P0,C2),(P1,C2) and (P4,C2) so we dont use P0,C2 and P1 and C2 because PO and P1 are already used in S1.
So we choose P4,C2
in S3 and S4 ae have (P0,C3),(P1,C3),(P4,C3) so we dont choose anything
and same in S4 also.
So answer is
(P0,C0),(P1,C1) and (P4,C2).
My program is trying to assign weights and I am trying to print the weights along with the sets.It doesnt work fine.I need help to write this program to do this.
Thanks.
Regards.
NP
What I have tried till now.
I have one more question could you help me with this.
I have an array list of this form.
package mypackage1;
import java.util.*;
public class DD
private int P;
private int C;
private int weight;
public void set_p(int P1)
P=P1;
public void set_c(int C1)
C=C1;
public void set_weight(int W1)
weight=W1;
public int get_p()
return P;
public int get_c()
return C;
public int get_x()
return weight;
public static void main(String args[])
ArrayList a=new ArrayList();
ArrayList min_weights_int=new ArrayList();
ArrayList rows=new ArrayList();
ArrayList temp=new ArrayList();
Hashtable h=new Hashtable();
String v;
int o=0;
DD[] d=new DD[5];
for(int i=0;i<4;i++)
d=new DD();
for(int i=0;i<4;i++)
d[i].set_p(((int)(StrictMath.random()*10 + 1)));
d[i].set_c((int)(StrictMath.random()*10 + 1));
d[i].set_weight(0);
System.out.println("Producers");
for(int i=0;i<4;i++)
System.out.println(d[i].get_p());
System.out.println("Consumers");
for(int i=0;i<4;i++)
System.out.println(d[i].get_c());
System.out.println("Weights");
for(int i=0;i<4;i++)
System.out.println(d[i].get_x());
for(int i=0;i<4;i++ )
int bi =d[i].get_c();
ArrayList row=new ArrayList();
for(int j=0;j<4;j++)
if( d[j].get_p() >=bi)
d[j].set_weight((int)(StrictMath.random()*10 + 1));
row.add("(" + bi + "," + d[j].get_p() + "," +d[j].get_x() + ")");
else
d[j].set_weight(0);
row.add("null");
rows.add(row);
System.out.println(rows);
int f=0;
for(Iterator p=rows.iterator();p.hasNext();)
temp=(ArrayList)p.next();
String S="S" +f;
h.put(S,temp);
String tt=new String();
for(int j=0;j<4;j++)
if(temp.get(j).toString() !="null")
// System.out.println("In if loop");
//System.out.println(temp.get(j).toString());
String l=temp.get(j).toString();
System.out.println(l);
//System.out.println("Comma matches" + l.lastIndexOf(","));
//System.out.println(min_weights);
f++;
for(Enumeration e=h.keys();e.hasMoreElements();)
//System.out.println("I am here");
int ii=0;
int smallest=0;
String key=(String)e.nextElement();
System.out.println("key=" + key);
temp=(ArrayList)h.get(key);
System.out.println("Array List" + temp);
for( int j=0;j<4;j++)
String l=(temp.get(j).toString());
if(l!="null")
System.out.println("l=" +l);
[\code]

In your example you selected the pair with the greatest
distance from the first set, and the pair with the least
distance from the second. I don't see how the distance
function was used.
Also it's not clear to me that there is always a solution,
and, if there is, whether consistently choosing the
furthest or the closest pairs will always work.
The most obvious approach is to systematically try
all possibilities until the answer is reached, or there
are no possibilities left. This means backtracking whenever
a point is reached where you cannot continue. In this case
backtrack one step and try another possibility at this
step. After all possible choices of the previous step,
backtrack one more step and so on.
This seems rather involved, and it probably is.
Interestingly, if you know Prolog, it is ridiculously
easy because Prolog does all the backtracking for you.
In Java, you can implement the algorithm in much the same
way as Prolog implementations do it--keep a list of all the
choice points and work through them until success or there
are none left.
If you do know Prolog, you could generate lots of random
problems and see if there is always a solution.

Ipod problem NEED HELP ASAP

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If you iPod is defective, in warranty and not abused Apple will replace it with a refurbished one. They may or may not replace it with the white one. You will have to ask.
Other users have asked the same question but I hav never heard them come back with whether or not they go the color changed.

Mini dvi-vga problem - Need help

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