VGA to TV problem

For about a year, i have used an external display with my ibook G4, an LCD TV. I have used a miniVGA to S-video cable that has worked like a dream, zero problems. Suddenly today, I started my computer up as normal, but the external display appears black and white and static-like, like the resolution is wrong. So then I tried changing the resolution. I tried every resolution offered for the display but I either got a black screen or flickery black and white, sometimes with many tiled images of the screen. Help!

I called Applecare about this and they said it was most likely a problem with the miniVGA adaptor, rather than with my laptop. This seemed counter-intuitive to me--after all, the problem seemed to be a setting on my laptop.
Still, I bought a replacement adaptor, and it turns out Applecare was right. The new adaptor works great. Problem solved.
So, if your adaptor is under warranty (IE, less than a year old) take it back to Apple and get a replacement. Otherwise, spring for the $30 (or whatever it costs in the US--it cost me UK £15) and replace your adaptor.

Similar Messages

Mini DVI to VGA Adapter Video Problem

This year at Randolph-Macon College we replaced the Math lab Emac computers with IMac G5 Intel machines. The laboratory has an NEC model MT1050 projector with a manufacturer’s date of August 2002. We can not seem to get rid of ever present scan lines. We can slow them down and speed them up by adjusting resolution and refresh rates, but nothing will remove them. We are connecting the IMac to the projector via the Apple Mini-DVI to VGA Adapter. It is specifically designed for use with the iMac (Intel Core Duo), and the adapter connects to the Mini-DVI port of the computer and the VGA end of the adapter to an external VGA monitor or projector.
Troubleshooting the problem we have swapped IMac Intel computers with no luck, but we still have to use the Apple Mini-DVI to VGA Adapter. When we hook the projector to a Intel Mac Book Pro, we have to use a different adapter, but then it works perfectly. In fact, everything we try using other adapters works fine, it’s just when we use the Apple Mini-DVI to VGA Adapter that we experience the video problem.
Has anyone experienced this problem and if so, have you been able to remedy it?
iMac (Intel Core Duo) Mac OS X (10.4.8)

I don't have much to suggest, except to ask if you can try with a different mini-DVI to VGA adapter. (i.e. do you have more than one on hand to make sure yours isn't just defective?) Make sure it is firmly seated into the iMac.
I use the same adapter to provide an extended desktop on an old CRT monitor and the display is great.

I can connect my macbook pro to my tv with a VGA cable no problem. When I try to connect it to my tv with and HDMI it does not work, any solutions? It flickers once when first connect it, looking like it recognizes it, then it doesn't.

I am having trouble getting my macbook to connect to my tv. When I connect my mac to the tv via VGA I have no problem. It detects it right away. I just purchased a HDMI cable because I didn't want to have to use speakers when connect to my TV and it will not detect the computer. The HDMI is a good cable because it connects our apple tv to the tv, so I know it works.
When I connect the HDMI cable to the tv and my computer, the screen on my tv flickers once and it seems like it is connected. It then flickers one more time about 5 seconds after like it disconnects.
When I use my VGA it gives me an arrangement tab in the displays, I do not get that when I plug my HDMI in. I get nothing. Is there something else I could do?

Never mind, I solved it. Didn't know the converter needed a power source to operate (duh!) Now I have that, it works just fine.......

Standard VGA Graphics Adapter problem ot hp dv7-6178us

Hello, I have the problem with Standard VGA Graphics Adapter and I can't find a solution for it?
Can someone help with this driver?
Thanks!

Hi:
You need this driver for the graphics setup in your model...
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-105178-1&cc=us&dlc=en&lc=en...

NVIDIA card not showing up, VGA adapter reports problem

Hi all,
I am running a W520 which has a NVIDIA Quadro 1000M, but I have an issue with installing the NVIDIA properly.
In device manager, only the Intel HD Graphics family and Standard VGA Graphics adapter show up. The VGA Graphics adapter reports a "problem (10)".
Link to picture
When I try to install the latest driver from NVIDIA, I get an error message, stating: "You must install an Intel driver first."
Link to picture
The NVIDIA control panel states:
Does anyone have the same issue? In general, my computer runs fine. I would like to use the NVIDIA only for the CUDA cores, not to hook up another display.
I hope this will work finally without opening a can of worms.
Thanks!
Frank
Moderator note; picture(s) totalling >50K converted to link(s) Forum Rules

Hi, Frank
Under the properties of the device as shown in your first picture, have you tried updating the driver by looking under the Driver tab? If so, try updating the driver and see if that helps.
I also found this document from Microsoft that may assist you in solving this error.
Hope it helps,
Adam
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651M-L can't disable onboard VGA and other problems.

Hello. I have the MSI 651M-L motherboard and I want to use an external AGP card (GeForce 2 MX 400) instead of the onboard. I am really confused with this board for many reasons (the PC is not mine, I should just fix it). I think that the board may be damaged. First of all, in the manual, it doesn't say a word about the external AGP card. In the BIOS, there is nothing relevant (disable onboard VGA). I thought that it is just automatic and I plugged in the external card, but the system was still working with the onboard! 2 or 3 times ONLY, the system has booted-up normally but the monitor was off. I thought then to shutdown the PC and connect the monitor to the external card. The system was working properly after that and Windows XP saw the GeForce 2. After some reboots, the system was switching again to the onboard VGA (without personally making any change)! Why is that? Why the system is switching by itself from the one VGA to the other? I have checked that the AGP card is plugged in correctly. Is there any jumper or something to disable the onboard VGA? Thanks.
PS1: Can someone explain to me, why the VGA drivers downloaded from the MSI website for this board (http://www.msi.com.tw/program/support/driver/dvr/spt_dvr_detail.php?UID=478&kind=1), don't work? When I am trying to install them, an error message comes up saying that it didn't find the necessary hardware and the installation is canceled. My present drivers have date of 2002 and I want to upgrade to the latest drivers. I have made all the other driver updates (agp driver, IDE, sound, LAN etc).
PS2: Is it true that this board doesn't have any option for overclocking? I have a P4 at 2.4 GHz. I didn't find anything in the BIOS. I can't believe it. Are there any hidden options?
PS3: Will MSI release any newer BIOS for this board? The latest is 07/09/2003, but I think that there are many things to be improved.

Hi again. Maesus, I have already tried that and if I remember well, it had worked in the beginning but later the system started the same thing. I don't want to do that again, because I will have to re-configure all BIOS settings and because I think that it shouldn't be necessary. The solution would be to have a new BIOS release. But I want to add that I have tried with another external AGP card (again a GeForce 2) without result. The system can see only the onboard VGA and I can't figure out why.
Apart from that, I have another VERY STRANGE error. Please read carefully: I was facing many Blue-Screens-of-Death (BSD) with the know error "Page Fault In Non Page Area". From my experience, classic case of RAM problems, due to failing or bad configured DIMM. The RAM is a one-week new 1 GB DIMM DDR-400 which works at 266 MHz (2T CL, 1T CR). I had shared 64 MB to the on-board VGA and the other 960 MB to the system. I couldn't believe that the DIMM was failing, so I used MS Memory Diagnostic tool to check-it out. In the first pass, many errors were found (about 60 at the time I stopped it). This utility is rather old now and in some cases can give wrong results. For example, in my personal system where I have 4 identical DIMMS of 512 MB each (Dual Channel), this utility was reporting some errors, while actually my RAM was perfect. I know it because I have checked it with Memtest86 and was error-free and also because the system is rock-solid. Back to our case now, I re-started the test and again I saw many errors. Actually, the standard 6-tests first pass was ok, but the second pass has... 4500 errors all in the sixth test! Very strange but I was terrified by that! The same day, I tried Memtest86 to verify the errors. Memtest, had correctly recognized the 960 MB of memory and reported that is going to check this amount of memory. 2 passes and no errors. The next day, I have understood that maybe the problem was with the 64 MB shared memory part. Maybe this memory part was causing the whole problems, because the diagnostic tool could try to test it as a system memory part. Additionally I have never used MS Memory Diagnostic on such a case (onboard VGA). I decided to limit the shared memory up to 8 MB and re-try the test, hoping for less errors. I have tried 3 standard 6-tests passes and 3 extended 11-tests passes with not a single error. Also, the BSD have disappeared. Yesterday, I tried to watch a DVD and two times faced BSD. Today, this DVD plays normally. I will continue the tests of course, but I think that there was (maybe still there is) a problem with the hundle of the shared memory part. I have all the latest drivers, but I believe that this board is problematic. Anyway, If someone have to make any comments on this story is welcome.

VGA and HDMI Problem

Hello all,
I had my mac mini 1.83 Intel connected to my Mitzubishi 63927 via the PC connection a VGA 1920x1080 with the VGA to DVI interconnecter. I wanted to see if the quality would be better with a DVI to HDMI connecter. So I shut down my mini and switched out the cables. The resoulition was jacked! I had to scramble to the video prefrences and change the resolution to something else. 1024x768 I could see the screen. I tweaked the setting to 1920x1080 (interlased). I looked worse the the VGA connection. So I powered down and and pluged in the VGA connection back in. I computer starts up fine but there is now Video. A black screen. There are ocaisional bars of light that go across portionial to the resolution i selected in the DVI to HDMI video preferences. I loward the res in the DVI to HDMI connection sceeme tryed all variations. I VGA connection will not work. What do I do.

With the TV and mini hooked up over VGA, try starting in Safe Mode (hold down the shift key during a restart) and see if you get a useable screen that way. If you do, go into Display Preferences and select the resolution you desire (1920 x 1080). Then restart normally and hopefully that resolution will stick and you will be back to where you started when all was good.

VGA Display Screen Problems

My macbook pro was working fine when it was connact to a second screen. I have the macbook closed and use the second screen as the main screen. Then I went to go plug it into a tv and used it and when I got back to plug it in to my second screen it told me format not support. For some reason it works when the laptop is open you can use the second screen but when you close it and try to use the second screen as the main screen, it give you a wrong format error. Another weird thing is that if you rotate the VGA screen 90 dagrees and shut the mac it works. I have the desplay right 1280x1024 and hz at 75. I do not understand why it would work with the mac open but when you close it, it no longer works.

See kernel_task panics under Yosemite

VGA Bios update problem

I keep getting the error "Can not find the VGA BIOS State." when ever I try to update the bios. I can't find any information about it anywhere either.

Do not try to update your VGA BIOS, it is not like a motherboard. Live Update has been known to render cards useless. Consider yourself lucky, you may have had a brush with death.
Take a look or do a search of this forum and you will see what I mean.

Possibly mundane Mini-DVI to VGA into an external monitor problem

Hi,
I've had a look over the interwebs regarding my problem and it seems as if it's not unusual to have external monitor problems but I'm not sure if mine is slightly different:
I had a perfectly working set up with my new Macbook (the white one, '06 model I believe), that was connected to my Hanns-G HU196D monitor via a mini-DVI to VGA adapter, no problems whatsoever. But for a couple of weeks now my Macbook just flickers a light blue colour, with nothing at all on the monitor, and my macbook is unusable until I remove the adapter. I've read about updating firmware but I can't see my desktop once the macbook is connected to the monitor so it's not possible to configure anything. I've read somewhere that my external monitor isn't compatible with this set up, but it was until a couple of weeks ago!
My Macbook's 4 months old now and since then I've bought a new mini-dvi to vga adapter and a new VGA cable, no connections seem loose on either mini-dvi port or my monitor's vga port.
Thanks if you can help!
Jack

You will need to use a mini Dvi-dvi and a dvi-svideo/rca adapter.
Joy joy hallelujah.
Pardon the sarcasm...I just wasted 3 hours of my life trying to sort the issue out.
Heard a KWORLD PlusTV PCTOTV Converter SA235 USB 2.0 Interface would sort the issue out for under 40$ but it's not Mac.
Hope that helps.
~r

Detect Displays problem with ViewSonic VX2035 - VGA and Snow Leopard 10.6.6

I just bought a KVM switch (IOGEAR GCS72U) so that my ViewSonic VX2035WM can jump between my macbook (where it is an external monitor) and a linux box that I built. The monitor worked fine with the macbook, always detected automatically or by the "Detect Displays" button - before I switched from a DVI connection to a VGA connection. I had to switch to VGA to facilitate the KVM switch. The monitor has a separate built-in VGA input and built-in detection of analog versus digital input.
Now that I have setup the KVM switch and VGA connection - using appropriate Apple mini-DVI-2-VGA adapter - Snow Leopard detects that a monitor is connected, but only generically as "Display" instead of naming the display model (ViewSonic VX2035WM). Display Preferences does not provide the optimal resolution (in this case, 1680 x 1050), with the closes being 1400 x 1050, resulting in a distorted picture.
http://www.viewsonic.com/products/desktop-monitors/lcd/x-series/k
The KVM switch is listed as being compatible with Mac OS X, and supports resolutions up to 2048x1536.
I do see a picture. It does detect that a monitor is there. It does not recognize what kind of monitor it actually is, and it does not allow me to select the resolution/frequency settings that I actually need.
When I skip the switch and connect directly from the Apple VGA adapter to the built-in VGA input, the problem is exactly the same. No amount of putting the laptop to sleep, turning monitor off, clicking Detect Displays, is getting anything to change. An option to manually specific the resolution and monitor would be fine. At this point I would even be willing to pull a "Windows" and install a driver, so long as the problem is fixed. I'm pretty sure the appropriate driver is already included in Snow Leopard, because it was working fine and recognized this model before I switched from DVI to VGA connections.

Using the printerto manage color is worse, still magenta cast, or gray/browns. We've tried all the different settings withing Photoshop Color Setting, we've tried all the different combinations within the printer window dialogue, all either have a magenta cast or red cast...we've tried different combinations with photo papers...what is interesting is with no change in any settings if we use plain copier paper with the medium selected for Plain Paper the colors are truer but because of paper quality the image is not good enough. I'm thinking it may be something within settings for paper and ink. But since I am not techically savy enough to understand all of the color management settings we've relied just on the internal settings and only had to change the medium paper quality to get good images. Once I upgradedto Snow Leopard it appears I have to be more sophisticated in color management. At a loss. What we're going to try now is change out all the inks to fresh Canon inks, and recalibrate monitor (which I did before but maybe needs again) and try and match a Pantone Color Guide to set monitor, and experiment with paper combos...if that doesn't work quess I have to bring in some tech help....we're designers and graphic artists so havng a hard copy for clients is crucial. Thank you for any help.

P7N Diamond Problem or VGAs Problem, Please help!!!

I have just purchased a P7N DIAMOND Mainboard. I hope it can support me to run 2 Giga 9800 GX2. Unfortunately, there was a problem, and I am not sure whether problem comes from mainboard or the VGAs. The problem was that I pressed the power button to start up the mainboard, but my LCD did not show anything except darkness. I wonder that my mainboard is not ready to support for 2 9800 GX2 at the moment. Therefore, I took one out and left one installed on the motherboard but the problem still occurred. The list below is my specification.
OS: Windows Vista Ultimate
Mainboard: MSI P7N DIAMOND
PSU: Cooler Master Real Pro 1000W
Processor: Dual Quad Q9300
RAM: 2GH OCZ, bus 1066 (Nvidia SLI)
VGA: 2x9800 GX2 1GH (Gigabyte)
Please help me to solve the problem. Thank in advance.

Sorry for my English. Yes, there were some led lights which indicate that my mainboard was successfully started. The lights in single 9800 GX2 also turned to green. I am pretty sure that I have connected all of the power supply to the mainboard and the VGA. But the mainboard did not show the boot screen or anything else but darkness. Too bad...

HDMI to Mini Display Port problem.

When I connect my MacBook Pro 13" (early 2011) to my TV using my HDMI to Mini Display Port adapter the MacBook just shuts off completely. I can use a VGA adapter no problem but I would like to get better picture quality from HDMI. Anybody have any ideas what the problem is?
Thanks in advance.

Have you tried a different adapter/cable? This is where I would start. (see if you can borrow some).
You can also try these resets:
NVRAM/PRAM:
http://support.apple.com/kb/HT1379
SMC:
http://support.apple.com/kb/HT3964
These are start points, gotta start somewhere, right?

No output to HDMI (but ok to VGA...) after CPU upgrade

Hi there,
I have a very strange problem... hope you can help!
I wanted to upgrade my Mac Mini to use it as an HTPC, so I passed from 1.83Ghz CoreDuo/512Mb to 2.00Ghz Core2Duo/2Gb.
The CPU and RAM upgrade process went OK, so I tried to connect the Mini to my HDTV (TOSHIBA 37A3030D) via a DVI->HDMI cable, but the screen was blank.
I thought I had somehow damaged the digital video out of the Mini during the upgrade, so I tried to plug a 17" monitor with a VGA-VGA cable and a DVI-VGA adapter: no problem there.
Then I thought about a cable issue, but the very same cable works perfectly when I try it with my MacBook Pro, and in the same TV.
So I played a little with SwitchResX and finally resolved: after few tries and some reboots everything worked.
But then I noticed that CPU temperature was a little too high, so I decided to re-open my Mini and put a better thermal compound.
All went well, or so it seemed: in fact since this last intervention the CPU temperature went ok but I couldn't get HDMI output from my Mini any more!!
Output to VGA still works, tried with the monitor I mentioned before and with my TV's VGA input ... too bad I can't reach 1080i via VGA!.
I tried almost everything:
- Playing around with SwitchResX, with no luck this time...
- Resetting PRAM and NVRAM with various methods (the little button on the motherboard, CMD-OPT-P-RE during the boot, etc... )
- Resetting SMC
- Resetting firmware (keeping the power button pressed when turning on the machine 'till it beeps)
- Reinstalling Leopard
...no results.
The weird thing is that if I VNC to the mini I notice that the TV is correctly recognized (screenshot: http://www.matteo.ge.it/vnc_mini.jpg), and EDID data seems ok (link: http://www.matteo.ge.it/TOSHIBA-TV_macmini.txt)
Do you guys have any idea?
Thank you so much, I'm getting desperate

I tried to connect the mini to the TV just after the upgrade. After some tweaking with SwitchResX it worked. The problems began when i decided to re-open the mini to put some better termal compound over the CPU.
I agree with you, I have probably screwed up something during this operation, but I really can't say what!!! I tried both TechToolPro and the hardware tests from Tiger DVD, and all of the tests were ok...
I phoned to the Apple tech support here in italy, but they proposed me to change the entire logic board, which would cost me almost the price of a brand new machine!!
The ultimate test I want to do is to hook up my Mini to a DVI monitor with a DVI-D cable.
If it doesn't work, It is almost certain that I have damaged digital video out (even if I would like to know how I could did that!!)

Thunderbolt to VGA adapter in bootcamp only 640x480?

Just a few weeks ago I purchased a new MBP Retina for my new work laptop. I contantly go from Windows, to OS X to demo hardware to customers. Problem I am having, is that as soon as I connect the Thunderbolt to VGA adapter in Bootcamp on Windows7, it forces 640x480 and I dont get the option to change. The adapter runs fine in OS X.
Has any one else ran into thise issue? Pushing VGA in Windows is something I need to be able to do.
Also noticed that in OS X, I dont have the option of running 1280x800 as a resolution. Is there anyway to configure either the adapter or OS X to push this oddball resolutuon for our office projectors?
Thanks
Charles

I have this same problem, discovered today in front of customers, when hooking up to their VGA projector. The VGA adaptor did not work very well with OSX either so running Windows under Parallels did not work either. Back in the office, I experimented with our old VGA projector, same problem, but I could get OSX to display and thus Parallels. Back on the Win 7 bootcamp, resolution is grayed out and set to 640x480, too small to do anything. I tried another sugestion of updating the Nvidia driver in Windows, to the latest version but that did not help. The only other suggestion that worked for others is to get a USB3 to VGA adaptor. Aparently Apple needs to update their bootcamp drivers for the mini display/thunderbolt port. So until that happens, perhaps the USB3 adaptor will be the way to go. I'm going to order one now since I cannot find it in the local apple stores or Best Buy.

VGA to TV problem

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