VGA and HDMI DisplayPort Adapter stoped work on Mountain Lion

Hardware: MBP early 2011
With Mountain Lion 10.8.0
My HDMI adapter stoped working.
With Mountain Lion 10.8.1
Both HDMI and VGA adapter stoped working

I found a solution to this problem!
Download the driver that's mentioned at the link below and follow username "asabaraba's" instructions. It involves ditching the RaLink wireless utility and using a compatible DLink one.
http://www.tonymacx86.com/network/59783-guide-ralink-airport-wi-fi-start-up.html #post393641
Hope this helps

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Facebook sharing and "click to post" not working on Mountain Lion 10.8.3. Any fix available?

Hi all.
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I've deleted my account and re-entered it, but that doesn't work.
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If you look at the "More Like This" box (top right), other threads appear. Opening them usually displays other threads. It appears you are not the only two having this problem.
Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback

Hi i upgrade from lion to mountain lion to day on my mini mac,Since the upgrade i am getting no sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever

Hi i upgraded from lion to mountain lion to day on my mini mac,Since the upgrade i am no longer getting sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever.Any one any ideas?
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Similar issue; Audio was working fine on Lion, now not on Mountain Lion. Have a Macbook Pro early 2011 with AMD Radeon HD 6750M, connected by thunderbolt through a Lacie LBD to a mini-displayport to HDMI adapter (n.b. same problem when not going through the LBD) to a Pioneer VSX 521 AV receiver. For me when I go into audio Midi settings all the volume sliders for the displayport device are greyed out and at zero. But when I click 'configure speakers', it's able to send out the test signals to each speaker. Part of the problem could be that I'm not getting the option to put out 6channel sound, only 2 or 8 channel. Since my system is Dolby 5.1, and I only have 6 speakers, I would have expected the 6ch option to be available. But I imagine there's more to it than that. Elsewhere someone has suggested playing with Remote Interactive over HD on an Onkyo device; I'll see if there's something similar on the Pioneer that can be changed. Any other suggestions welcome.

HT4279 I have a Macbook Pro (late 2012) and I would like to connect it to 2 screens simultaneously (1 screen is a TV and can only take HDMI, the other is a larger computer screen and has both VGA and HDMI connections). How can I do this?

I have a Macbook Pro (late 2012) and I would like to connect it to 2 screens simultaneously (1 screen is a TV and can only take HDMI, the other is a larger computer screen and has both VGA and HDMI connections). How can I do this?

The article you cited refers to The Mac Pro, a 50lb silver tower -- not a notebook computer.
Everymac.com says:
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600 (x2*)
Details:
*This model supports a simultaneous maximum resolution up to 2560x1600 on two external displays via Thunderbolt. Alternately, it can support a single display up to 2560x1600 via Thunderbolt and a single display up to 1920x1200 via HDMI. Although it can theoretically power all three external displays, as confirmed by a helpful reader, it runs too hot with three displays connected.
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When using other than ThunderBolt displays, the ThunderBolt port is directly compatible with Mini DisplayPort, and can be forced into compatibility (with Single-Link DVI or HDMI up to 1920 wide) with a simple adapter.
To adapt to wider displays, an ACTIVE Dual-Link adapter is needed, about US$100.

Reinstall win 7, VGA and HDMI driver

Hi everyone,
2 problems
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Hi:
Since your model can have either the Intel or AMD/Intel switchable graphics, there is no way of telling without some additional information.
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If you see two listings of a Standard VGA adapter, then install the AMD graphics driver.
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As far as the recovery disk not working, it is anyone's guess as to why.
You can order a set of recovery disks by contacting HP for the country you live in at the link below.
http://www8.hp.com/us/en/contact-hp/ww-contact-us.html

I need to connect my Imac 27'' (newest version) up to 3/4 monitors (all 40'' LCD tv's with VGA and HDMI connections) with extended display to all external screens, not duplicate images. Is this possible?

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I would suggest you visit an Apple dealer, preferably an Apple Store if there's one in your city, and ask for assistance in determining what you need. The questions and issues you bring up are rather complex to address in a technical support forum and would be better addressed in person where you and the salesperson can ask questions back and forth to arrive at the optimal setup.
Regards.

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hi,
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i used wm class 'WmiMonitorConnectionParams' to determine Video output technology connection type and InstanceName.
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WmiMonitorConnectionParams
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WmiMonitorAnalogVideoInputParams
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WmiMonitorDescriptorMethods
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WmiMonitorBrightness
WmiMonitorColorXYZinCIE
WmiMonitorSupportedDisplayFeatures
WmiMonitorBasicDisplayParams
Win32_VideoController
Win32_VideoConfiguration
Win32_VideoSettings Win32_DisplayControllerConfiguration
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Hi sumith,
I read some documents about WmiMonitorConnectionParams class, it should be able to get the video putput technology by the D3DKMDT_VIDEO_OUTPUT_TECHNOLOGY enumeration.
D3DKMDT_VIDEO_OUTPUT_TECHNOLOGY enumeration
So what happens when you are using WmiMonitorConnectionParams class? What prevent you? Anyway, please see a example of using WmiMonitorConnectionParams class, maybe you could get some hints on it.
http://stackoverflow.com/questions/10085900/querying-wmi-for-d3dkmdt-video-output-technology
Best regards,
Shu Hu
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VGA and HDMI DisplayPort Adapter stoped work on Mountain Lion

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