Adjusting Brightness on a Second Monitor

I have a 17" Samsung LCD I use with my iMac (extended desktop). How can I adjust the brightness on that screen? My controls seem to only affect the primary monitor (the iMac).

There are two separate ways to configure a second monitor, and each way affects different aspects.
For brightness, I push the "menu" button on the front of my second monitor. That affects brightness, contrast, color temp., menu language and "other."
For resolution, orientation and so on, I just click "System Preferences", then "Displays", and one option box shows up on my iMac screen and another one shows up on my second monitor. This affects color profiles, display resolutions, number of colors, refresh rates, etc.

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How do i adjust brightness on second monitor

how do you adjust brightness of the second monitor ?? just upgraded the graphics board to ati radeon 5770 and added a second monitor -

Never mind - found the answer inside the answer to someone else' question - the USB was not plugged in which provided the nice slider

27" ACD as second monitor -- cannot adjust brightness

I've connected a 27" LED ACD to my 27" iMac as a second monitor, but the keyboard commands for adjusting brightness do not affect the cinema display. I understand a common cause for this is that the USB isn't connected, but mine is and I can verify it is working because I have an external HD connected to the USB port of the ACD, and the iMac recognizes that it is connected.
Also, if I go into Display Preferences then I do see the Brightness slider for the second monitor. This is currently the only way I can adjust the brightness of that monitor.

True, Unless there's a shortcut for that, the only way to adjust the brightness of the second monitor is by using the display preferences . same here with a MBP / 27" display.

CS4 - Is there a way to adjust gamma for second monitor or send to overlay?

One thing that is evident when I edit in Premiere CS4 using the AVCHD 1080i 60 template is that the preview in the second monitor, which in my case is my TV set connected using a DVI to HDMI cable, is that the output is too dark compared to what it should be. Darker areas of the frame sometimes even get crushed into black when the same footage, when played directly from the camcorder, or even burned to blu-ray and played, is noticeably brighter and at the right black levels.
This doesn't happen when editing in Vegas Pro 8, or when the untouched footage is played through other video player, including Windows 7 Media Center.
A workaround for this problem can be to go to the graphics card control panel, in my case ATI Catalyst, and adjust the gamma for the second monitor, with the problem being that when you're done editing in Premiere you have to go back to the normal gamma. At one point I had setup two profiles in Catalyst with shortcuts and it worked well, but one day Catalyst simply lost the profiles and noticing how buggy it was I wasn't going to keep creating profiles so that Catalyst would delete them.
So my question is, since it's not in the preferences, is there some settings file or registry address that I can tweak to make Premiere display a brighter gamma of my choice?
And this may be a dead end, but is there a way to send the output of the second monitor to the overlay so that it can take advantage of the graphic's card video capabilities and display video smoothly? It's nice to have a preview of the timeline, but it's rather annoying if I have to go to the Catalyst control panel and adjust gamma before editing and after editing and that motion is jerky and not interlaced when I'm editing interlaced content.

You need the VESA mount option. That way your minimum angle would be completely vertical and you could open it to a negative 10 degrees.
Hope this helps.
Pete
I am not an HP employee, But I did stay at a Holiday Inn Express last night.
TouchSmart IQ526t CTO Intel 2.26 Ghz 4 gig ram 750 gig HDD Vista Premium 64 bit

How to adjust the brightness of a second display connected to iMAC 2012 by Apple Mini DisplayPort to Dual-Link DVI Adapter?

How to adjust the brightness of a second display (Dell 3007WFPHC 2560x1600 dpi) connected to 27 inch iMAC 2012 through thunderbolt port by an Apple Mini Display Port to Dual-Link DVI Adapter?

Macs control computer by USB. With a non-Apple display, you will have to use the brightness control on the display.

How to adjust the brightness of an apple monitor from Windows 7?

how to adjust the brightness of an apple monitor from Windows 7?

In Windows 7 go to help display brightness or help power saving.

I upgraded to 10.10.1 today and the brightness dimmed on my mac monitor - I've checked both display and accessability and dont see a problem. My second monitor which is not a mac monitor is bright still.

I upgraded to 10.10.1 today and the brightness dimmed on my mac monitor - I've checked both display and accessability and dont see a problem. My second monitor which is not a mac monitor is bright still.

Try resetting the PRAM and SMC
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM

How can I use my Samsung 193p as a second monitor?

I am trying to use my Samsung 193P Monitor as my second monitor. It usually has great contrast and good color when attached to my PC. I plugged it into my imac using a DVI to mini DVI adaptor I bought at the apple store. Now it has awful color and the whites are a muddy grey. There do not seem to be any drivers to download. I've called Samsung and Apple and they have no ideas. It is at 1280x1024. Does anyone have any ideas for me? Is there a way to get the monitor communicating with my imac?? Thanks.

Thank you for the suggestions. I tried again. The thing about the Samsung 193P is that it doesn't have any external "buttons" to push for contrast and brightness. You are supposed to use MagicTune to do this, but of course, that is not compatible with mac. Without any adjustments, it usually looks great on a PC. Do you think I could use my Spyder to calibrate it with the mac? Could I only calibrate the 2nd monitor? I don't want to adjust the new mac monitor in any way. Would that be an option?

Late 2008 model - Not Displaying Second Monitor

My logic board broke recently and I took it to Apple to get it fixed. Once it got out of repair, I picked it up and brought it home. Plugged in the DVI cable and it did not turn on. Turns out the display is there. I can move windows over to the second monitor, but it's not actually showing anything.
I have a Samsung HDTV and a DVI cable. It's worked before, so I know it's compatible.
The reboot did not work. "Detect Display" did not work. Adjusted brightness. Haven't tried using the cable on someone else's monitor, nor have I tried to use another DVI cable. I still have to look into these things.
I'm figuring that somewhere there is something I have to restart, but Google and the forums have failed me.

Haven't tried using the cable on someone else's monitor, nor have I tried to use another DVI cable. I still have to look into these things.
You know what you need to do. Go ahead and do it.

Using two LED displays...brightness on left hand monitor. How?

Just installed a second 27 inch monitor and new 5770 card. All seems to work well, but for the life of me, I cannot figure out how to adjust the brightness on the left hand monitor. My desktop is on the right monitor. How do I adjust the brightness on the left one? I am stumped.
Thanks to all.
Best.
Tom

Also - as you probably know, there are brightness keys on the apple keyboard which increase and decrease the brightness of the main screen. What I just discovered however is if you hold down the control key and press these brightness keys it will adjust the brightness of the SECONDARY monitor. Cool huh? These Apple guys are always thinking!
In case it matters, I am using:
Mountian Lion on a Mac PRO w/Apple keyboard & dual Apple 27" LED Cinema displays.
Cheers!

How do I use my wireless Led TV as a second monitor using my home network without any cables? Both of them are connected to home network

How do I use my wireless Led TV as a second monitor to my mac book pro using my home network without any cables? Both of them are connected to home network

Having a gateway there is not going to be a problem. We just need to configure the Time Capsule correctly to work with the 2Wire.
You will need one ethernet cable to connect the 2Wire to the Time Capsule and a second ethernet cable to temporarily connect your computer to the Time Capsule so that it can be configured.
The 2Wire you have now should already be broadcasting a wireless network, so once you have the Time Capsule setup, you will actually have two wireless networks there.
Here's how to configure the Time Capsule to work with the 2Wire:
Connect an ethernet cable from one of the LAN <-> ports on the 2Wire to the WAN (circle icon) port on the Time Capsule.
Connect another ethernet cable temporarily from your computer to one of the LAN <-> ports on the Time Capsule
Open Hard Drive > Applications > Utilities > AirPort Utility
Click Manual Setup
Click the Base Station tab below the row of icons to assign a name for the Time Capsule, a device password (write this down) and adjust time zone settings
Click the Wireless tab below the row of icons
Wireless Mode....Create a wireless network
Wireless Network Name....Your choice
Radio Mode....Automatic
Channel...Automatic
Wireless Security...WPA/WPA2 Personal
Wireless Password....Your choice (write this down)
Check mark next to....Remember password in keychain
Click the Internet icon
At the bottom, change the setting for Connection Sharing to "Off (Bridge Mode)"
Click Update at the lower right and the Time Capsule will restart after 20-25 seconds and you should get the green light.
You should now be able to connect to your Time Capsule wireless network.
I'm not clear on whether you have tried to setup the Time Capsule to backup your computer. Post back if you need some info on that. We may need to start another thread for that as that will be a different subject.

How to stop my second monitor from dimming (connected on a mbp)?

Hello
I have a MBP 13" late 2011, I have a second monitor connected to it (LG 24EN43VS), and it doesn't stop from dimming. For me it seems that as soon as I have movements in the second screen it dims, then come back full brightness, but it's annoying I feel like having a stroboscope lol.
Thanks for helping.
PS: I even did a fresh install of Yosemite + Reset SMC & RPAM

I would also very much like to know this.Multiscreen as default is less convenient for me. Please advice on how to disable this M

Second monitor displays weird colors

Hi there,
Yesterday I bought a Displayport to HDMI adapter (Mini DisplayPort Male - HDMI female) for my MacBook Pro 15" (Late 2011 version). I use this to connect my MacBook Pro to my Philips 32" television. Everything has been set up (I've adjusted the resolution of the TV to 1080p and put my refresh rate to 50 hz since my TV doesn't support 60 hz). But once in every 5 - 15 minutes or so, my screen turns green for a brief second and suddenly my background or whatever is on my second monitor turns in to weird colors. Sometimes it takes about 2 or 3 seconds and it switches back to how it normally was, but sometimes it takes way longer. I don't mirror my screen, I use it as a second display. But I can't figure out why the screen it switching betweens there colors and don't know how to fix it. I've looked it up on the internet, but couldn't find anything useful. So I hope you guys could help me with this.
Thanks in advance.

Bump.

Imac 27" Intel Core 7 CPU. Screen goes black and will not respond except with a push of power button. Second monitor connected via displayport continues to display fine. Apply Store did full hardware scan and all is fine. Did clean wipe from Mavrick back

Imac 27" Intel Core7 CPU 16 Gig RAM. Screen goes black and will not respond except with a push of power button. Second monitor connected via displayport continues to display fine. Apply Store did full hardware diagnostic and all is fine. Did clean wipe from Mavrick back to Mountain Lion but problem remains. Apple Store can do no more.

I did some more digging, it appears to be a backlight problem only. I can see the screen very dimly if I use a bright flashlight in a very dark room. It also seems to run ok if the brightness is turned down a LOT.
So I'm thinking this is a LED driver board issue or the display itself. I'll open it up and check the connection between the two and see if I can get any more clues. At least I can use it somewhat now by dimming the display significantly...

Slow preview on second monitor

Hello
I'm using two monitors with LR5, and the second monitor is the preview screen.
I find the preview on the second monitor to be painfully slow in both the Library and Develop modules:
1) If I am the Develop module, and I move to the next photo, and zoom the preview to 100% (or if it is already at 100%), it take a minute, literally, for the preview to display correctly.
2) In the Develop module, sometimes the display does not update correctly at all. If I adjust a slider on the Details tab, however slightly, the preview then updates almost immediately.
3) In the Library module, if I switch the main window to single photo view, and view 100%, then, as I browse the photos, the main window updates very quickly, but the preview window lags behind.
I'm working with Fuji X-Trans RAF files, and this maybe this si the issue? JPGs update almost immediately in the preview window in both modules.
Does anyone have a similar experience?
Mike

Sounds like this problem:
http://forums.adobe.com/message/5718586?tstart=0#5718586

Adjusting Brightness on a Second Monitor

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