More resolution on external display?

I have a 15" late 2011 MacBook Pro with a AMD Radeon 6770 1024MB graphics card. I have an Viewsonic VP2770 connected as an external display though the display port using a DVI adapter cable. The max resolution I can get on the display is 1920x1080. Would very much like to use the monitor at its max rated resolution of 2560x1440. Is there any way to achieve this?
Thanks in advance.
William Gazecki

MacBook Pros have had a maximum external monitor resolution of 2560 x 1600 for several years now. However, to get that resolution, you probably need to use one of only two cable types: DisplayPort/Mini DisplayPort, or Dual-Link DVI (not the more common Single-Link DVI). I don't think HDMI goes above 1080p on your model of MacBook Pro.
The very latest MacBook Pros have more recent HDMI support which lets them drive a 4K (4096 x 2160) monitor.

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Problem with resolution of external display

Hi,
I am trying to use external display with my Unibody Aluminium Macbook Pro (NVIDIA GeForce 9400M, 2.26Gh, snow leopard). Cable setting I use is quite complicated as it is: macbook: minidisplay port>hdmi> DVI D : display. Display is LG Flatron W2242T (4:3).
So I hooked everything up and macbook detected display without any problem. The problem arises when it comes to resolution. Maximum resolution I can set (and in fact the only except 800xsomething) is 1152x870 and not only it is to low, but also it does not respect 4:3 ratio so it looks quite bad. So bad, that i cant really work on a setup like that. When I try to change resolution to any other, Display goes black. I tried using some apps, but they dont really work.
What can be the problem here? Is it connection?
I would appreciate any help.

And once you've cut thru the clutter of cables and adapters, remember the max you will be able to push the Flatron is its "native resolution", that happens to be:
Screen Size
22"
Screen Type
TFT LCD
Wide Screen
Yes
Brightness
300cd/m²
Contrast Ratio
8000:1
Viewing Angle
(Horizontal/Vertial)
160/160
Response Time
5ms
Resolution
1680X1050
Supported Colours
16.7M Colours
(data taken from LG's product page)
If you happen to have a late model MBP with the widescreen option, the Mac and the display will be on a 1:1 ratio, both are the same. Else, if you have a regular MBP, the monitor has more resolution than the Mac (1440x900) and distortion will occur if you do video mirroring.

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Hi there
Until recently, I've been using a Macbook Air Core 2 Duo with a MiniDisplayPort output. This is connected via the Apple MiniDisplayPort > VGA adaptor to an LG Flatron W2246 22" display, and running 1920x1080 quite happily.
I recently bought the Macbook Pro 15" quad core i7 with the Intel HD 3000 and AMD Radeon 6490M - a much more powerful machine with a much more powerful graphics card.
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Any ideas? It seems strange that the Macbook Air will give me higher resultions!
Thanks

I had similar issues to Jason with the technical documentation. It was clear on the maximum resolutions for the laptop's screen and the max resolution on an external monitor, and the max for single and dual link DVI on the adapter pages, but vague on VGA.
I suspected it should work since I have a PC laptop with a graphics card that is a generation behind that can do the full res of my monitor over VGA, but thank you BSteely for confirming this.

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Z

This worked for me:
Step 1: Delete system windowserver preferences
In the Finder, from the menu bar, select "Go -> Go to Folder..."
Enter: /Library/Preferences/
Delete the file called com.apple.windowserver.plist
Step 2: Delete user windowserver preferences
In the Finder, from the menu bar, select "Go -> Go to Folder..."
Enter: ~/Library/Preferences/ByHost/
Delete all files that start with com.apple.windowserver (On my rMBP, there was one file called com.apple.windowserver.12AFB147-95D6-5C70-8F62-C1E4F2BE81BE)
Step 3: Reset the PRAM (These instructions are fromhttp://support.apple.com/kb/HT1379)
Shut down your Mac.
Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

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Hi there,
I was currently thinking about buying the following external display:
http://www.amazon.co.uk/LG-E2251VR-inch-Widescreen-Monitor/dp/B0060LCBTG/ref=cm_ cr_pr_product_top
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1. Firstly can the MacBook air 2012 handle an external monitor with resolution 1920 x 1080 @ 60Hz?
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Thanks for any help you guys can offer!
Rob

Thanks for your responses!
Captfred - I've tried plugging it into my friends screen now using my minidisplay to HDMI cable and the following options show up:
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Thanks again

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Thanks, Paul.
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MJ

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Nathan

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Did you bother to backup or clone your SL installation before dumping it?

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Hello William
I have no experience with this but somewhere on this forum I have read similar topic. Before you wait here use advanced search option and use 1680 x 1050 as searched term. I am pretty sure you will find this topic where one guy explained how to set 1680 x 1050 resolution on external monitor.
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Hey all,
I was wondering if there was a way of running more than one external monitor from my Macbook. I use the Macbook in my home recording studio for Logic Pro 8 but the screen is quite small to work with. I would love to work with dual external monitors so i do not have to look at the macbook screen at all.
I'm guess this is not possible considering the Macbook only has one mini-DVI out ??
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Steve.
Message was edited by: skeletal_wreck

I feel your pain Da BomB!
You will have to settle for what I have done - have a dual screen set up with one screen being an external monitor and the other being your little Macbook screen. I have tried to make the most of this compromise by just going for the biggest external TFT that I found affordable on ebay (20").
Its a petty no monitor manufacturer came up with the idea of 'daisy chaining' screens!
Steve.

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Hi,
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Well, I wanted to use it as extended desktop... But I tried now to set it only to external device and I am still getting 1680x1050 as max
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I recently tried to connect my G4 powerbook to my new 42" Hitachi Plasma screen. It all displays fine but the maximum resolution I can get is only 1024x768 at 75Mhz. I am running it with the lid closed.
The hardware specifications of the G4 powerbook (with ATI card) shows it can output a resolution of up to 2048x1536, but that's not on the list.
The TV is a brand new HD ready screen with up to 1080i - surely it must support higher than 1024x768? Even the laptop's own screen supports higher than that! Is there a way to gain a greater selection of resolutions to try?
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Apple Powerbook G4 Mac OS X (10.4.7)

Sorry... here is the info you requested...
TV: Hitachi 42PD7200 Plasma
Mac: Powerbook G4 1.67Ghz PowerPC with 1GB RAM
Video Card: ATI Mobility Radeon 9700 with 128Mb RAM
OS: Mac OS 10.4.7
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Hope this is enough info
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I feel your pain Da BomB!
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Steve.

More resolution on external display?

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