Ipad vga signal levels

3 out of 5 attempts to present Keynote (and other video enabled apps) presentations have failed. After some investigation I discovered that the failed talks (ipad could not drive video projector - iapd couldn't find project, and projector couldn't find ipad) were result of long cable lengths between projector and VGA connector that I plugged into dock-to-VGA adapter. These were 50' long cables in conference centers. I rustled up some more standard length cables after these very embarrassing failed attempts to give public presentations, and with shorter cables everything worked properly. I should also mentioned that numerous MacBook, MacBookPro and PC-types laptops all had no problem whatsoever driving VGA through a 50' cable.
Anyone else experience this problem? It makes it impossible to trust the iPad as a conference presentation device if iPad video signal levels are too low. Perhaps I have a defective iPad, or is this a systematic problem?
If I have to buy a VGA signal booster to carry along with an iPad, its absurd since these devices are nearly the size of the iPad itself!

I am not sure of what the official limit is, but a google search brought up 50' as the "practical" limit. Another site said 9 meters. I have seen some long vga cables in various conference rooms.
You may have an iPad with a reduced output. You could either try another ipad, if you know of one available, or take your ipad to the Apple store and see if an expert can test the output strength.

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I want to use multiple iPads as external monitors from a PC using the iPad VGA adapter (wired)

I want to send a VGA signal to a couple of iPads using them as monitors. I currently use a pair of regular 13" VGA 1024x768 lcd monitors looping thru an LCD projector displaying the same signal sent to the projector.
I want to use the iPad VGA adapter and WIRE them in just like a convention LCD monitor. Yes there are apps like air display and others but they don't allow cloning and have latency issues and must be networked. I need an app to use the VGA adapter and actually wire them in using a VGA signal from my existing VGA distrubution amp.
The size of the iPad is perfect for my application however I cannot find an app to let me send a signal into the iPad via VGA adapter.
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Does Mini Displayport to DVI adapter support analog VGA signal?

I'm just about to buy a macbook pro. Since the MDP (mini displayport) to DVI and MDP to VGA adapters are £20 a pop, I can only afford to get one. Obviously DVI is better in general, but VGA supports more older hardware, CRTs, and the spare VGA input on one of my displays (where the desktop uses the DVI).
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No. Unlike DVI, which in the DVI-I configuration has both digital and analog pinouts, DisplayPort (and mini-DisplayPort) are purely digital. Mini-DP to DVI then DVI to VGA will not work. If you look carefully at the Apple Mini-DisplayPort to DVI adapter, you'll notice it's a DVI-D connector - digital pins only.
The Apple mini-DisplayPort to VGA adapter contains a digital-to-analog converter.
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VGA signal output type mDP-VGA adapter

Howdy.
Working on a way to plug our new mini (early 09) into a crusty ol' analogue tv, whose best quality input is up to 576p component. Tv manual say to plug component source (either YPbPr, YCbCr or Y B-Y R-Y) into the component input on the tv (Y Pb Pr).
My understanding of signal types is limited, and I am looking at a VGA to component converter as my first preference option since svideo and composite are so crusty.
Can anyone be really specific on the exact type of signal output from the miniDP-VGA adapter? As far as I know, most computers output a vga signal referred to as RGB, which SOME tvs can read via component in. Can anyone tell me if this RGB equates to any of the above signals (such that i could simply use a vga-component cable that I already possess), or if i will definitely need to get a converter box? I have plugged my older mac mini into the tv (using dvi-vga adapter supplied and then vga-component cable i purchased form some dodgy online ebayer) and had no luck.
can anyone tell me the potential ramifications of messing around with this stuff? Can inputting incorrect signals damage any of my hardware?
does anyone have any brilliant ideas on how to run an early 2009 mac mini into a tv via component? At this stage it is going to cost me around $200 for a decent converter box , and being a younger generation I want a solution ASAP and would prefer not to wait weeks for shipping from the States.
It seems as though the new minis only do dvi-d, while my older one has dvi-i - this is why the dvi-video adapter is not compatible with the early 09 models. i have spoken to apple tech support several times but it seems as though they are getting their dvi types mixed up and don't understand my predicament fully, as their suggestions are not possible with dvi-d. Is there such a thing as a DVI-d to DVI-I adapter? Would it make any difference?
Any clarification people have to offer on this one would be greatly appreciated.

A few comments; first off, you can't damage a TV with wrong signal types, although some old TVs can be damaged from wrong timings. That's going to depend a lot on the TV's age whether it has a more modern, multi-sync type chassis or not.
The Mini DVI output on the new mini is DVI-I. That is how it is able to support the Mini DVI to VGA Adapter that Apple sells for the new mini. But you are right it no longer supports the Mini DVI to Video Adapter. But that is an issue with drivers and has nothing to do with the mini having a DVI-I output or not. But it is definitely Mini DVI-I.
So to connect a component converter box, you could use either the Mini DisplayPort or the Mini DVI output of the mini. I would tend to recommend the Mini DVI as being somewhat more standard. However, a Mac really wants to see something called a plug-and-display driver, which is also known as EDID, whenever it is connected to a display. So try and see if you can find a component video converter having a VGA input that has an EDID loaded into it or else the Mac will not be happy and it could all be money down the drain that would have better been spent on a new TV.
Hopefully you will get some more specific information from someone else. Good luck.

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Is it possible to force the Macbook to output a VGA signal without EDID

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No, the video card cannot be exchanged - you have a pretty decent GPU there; not sure why you'd want to switch it out. You can upgrade the RAM to a maximum of 16GBs. Apple recommends upgrading in matching pairs, so I don't really think I'd try 4GB and 8GB stick.
Both Crucial and OWC have memory available for the new Macs. Both are reputable dealers and know Macs well and I would only buy from these sources (and I would buy Crucial, were it me).
Although your Mac didn't come with a users manual outlining the installation of the additional RAM, you can download the late 2011 model users guide as the models themselves are almost identical.
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I bought an iPad VGA cable last night and hooked it up to my Optoma PT-100 projector (cheap kiddie projector, 854x480 resolution).
I tried slideshow and the pictures were horizontally stretched. Bummer.
Then I tried netflix and I noticed a far more serious problem - the screen is offset to the right and the right quarter of the screen is cut off. The left quarter is totally black.
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So half of it was just the projector not doing a very good job of resetting itself. That was the shift and the right quarter being cut off. All I needed to do there was power it off and on again and it resets the image.
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Hello @all,
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Greetings

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Hello terry1988,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand you are getting an error on your monitor that says "No VGA Signal". First, I would advise you to check to ensure that all your cables are connected correctly, ensure the one that goes from your computer to your monitor is securely plugged in.
I am also providing you with an HP Support document: Flat Panel Monitor Displays Message about No Signal, Signal out of Range, Sleep, or Power Save, which should help you resolve this issue as well.
Please re-post if you require additional support. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
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Anyone going from the iPad VGA connector to DVI-A?

Anyone going from the iPad VGA connector to DVI-A?
I'd love to hear about your setup. I'm having an issue. Please respond at this thread:
http://discussions.apple.com/thread.jspa?threadID=2566089&tstart=0

Theoretically? yes... Realistically? You'll have to try to see...
Check here for the part: http://www.google.com/products/catalog?q=vgato+dviadapter&oe=UTF-8&hl=en&client=safari&um=1&ie=UTF-8&cid=15028545843490663161&ei=4 3CITIbFoL6lwf16-kj&sa=X&oi=product_catalogresult&ct=result&resnum=1&ved=0CDEQ8wIwAA#ps-sellers

Sudden no DVI/VGA signal

Pavilion p6210y. Stock, nothing fancy.
Over a year ago my power supply exploded abut I replaced it with a Norwood Micro 350W I found in a free box. It worked just fine, we used the computer for about 6 months then set it aside because we got a laptop. The other week I started it again and it worked fine for about 30 minutes then the monitor shows me no DVI/VGA signal and go to sleep. The computer is still running. I let it rest for a day and then started it again and the same thing happened. Power supply? Motherboard?
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Hi Joe,
Your PC might be full of dust and then overheating.
Try this procedure:
Unplug the PC and open it up. Clean out all the dust. Carefully remove and replace all the cables going to the motherboard one at a time. Do the same for the memory dimms and the video and sound cards if you have any. You might want to buy a can of compressed air to blow the dust out of the CPU heat sink. Plug your PC back in and give it a go.
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Setup help - low signal level in Logic

I'm getting low input signal levels when recording in Logic (-17db to about -10db, on average), and am hoping someone here can point out an obvious oversight on my part.
I'm recording mic'd guitars and vocals (one track at a time), with the mic(s)running into a Mackie 1402 mixer via XLR. Signals are strong and fine when I solo on the Mackie.
The signal runs out of the Mackie via the Alt 3-4 bus into the first and second 1/4" inputs on the back of a Motu 828 mkII, then into Logic.
Even if I drive the signal to near clipping on the Mackie, I get these low levels when recording in Logic. This is true whether I'm using a condenser mic with phantom power for vocals, or a dynamic mic on a guitar amp. I've also tried swithcing XLR mic cables.
I'm running Logic Pro 7.2.3 and OS X (10.4.9) on a G5 2.5 DP.
Is my signal path in need of some tweaking, or perhaps it's a setting I'm overlooking on the Motu 828?
Any help greatly appreciated to get this rookie back on track!
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Hi,
You wrote:
I'm recording mic'd guitars and vocals (one track at
a time), with the mic(s)running into a Mackie 1402
mixer via XLR. Signals are strong and fine when I
solo on the Mackie.
The solo on the Mackie is probably louder,check to see if you have it AFL(after fader listen or PFL(pre fader level or "level set").
The signal runs out of the Mackie via the Alt 3-4 bus
into the first and second 1/4" inputs on the back of
a Motu 828 mkII, then into Logic.
The first thing to check is to see what kind of cables you are running into the Motu mkii.
A. Unbalanced (ie "guitar-type" with two wires)
B.Balanced (ie "stereo-type" with three wires)
The second thing is to check what your inputs on your Motu are,there are two choices: +4dBu("pro") or -10dBV("consumer")
Here's the catch:
You MUST MATCH the correct cables for the correct levels.If the Mackie is outputting -10dBV but your Motu is thinking it is +4 you see less level no matter how loud you make the Mackie outputs.
The Mackie can output AUTOMATICALLY either -10dBV or +4dBu depending on what cable is hooked up to it.
Even if I drive the signal to near clipping on the
Mackie, I get these low levels when recording in
Logic. This is true whether I'm using a condenser mic
with phantom power for vocals, or a dynamic mic on a
guitar amp. I've also tried swithcing XLR mic cables.
This is not where the problem lies.It lieas between the output of the Mackie and the input to Logic.
I'm running Logic Pro 7.2.3 and OS X (10.4.9) on a G5
2.5 DP.
Is my signal path in need of some tweaking, or
perhaps it's a setting I'm overlooking on the Motu
828?
Yes,a setting somewhere in the Motu is not set correctly.Check above for how to do that.
Any help greatly appreciated to get this rookie back
on track!
G5 2.5 DP
Mac OS X (10.4.9)
Cheers

Ipad vga signal levels

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