HDMI bad resolution on second monitor macbook pro retina

I just bought a second monitor for my macbook pro retina and connected it through a HDMI cable. To my surprise it did not play the full resolution it only plays 1360 x 768....
I already tried the alt trick when showing display preferences, but no win either. Can anyone please help? Thanks.

If you do not need the USB pass-through to the display, this MonoPrice adapter is available for under US$75:
Mini DisplayPort + USB to Dual-Link DVI Adapter

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Hi everyone, this is my first Mac and for the most part it's been really, really wonderful.
This is my first major glitch: I cannot get it to detect my external display: It is an ASUS PA248Q, manufactured Aug 2012.
The HDMI cable according to my Amazon history is at least 1.3c from 2010, "Fanatic Digital Imperial Series Gold-Plated HDMI Cable (6 feet)".
It works with perfectly connecting an AmazonTV box to an old Samsung TV, with vivid clarity, unlike our cableTV signal.
Just in case, I have a new HDMI cable on order, which claims to be of newest standards.
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The ASUS display says: HDMI NO SIGNAL.
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In System Preferences>Display, I press the Option key to select "Detect Displays" option (seriously unintuitive).
I have also tried resetting the NVRAM:
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Next, I reset the SMC:
I shut the machine down. Then I pressed Shift-Control-Option-Power for about 5 to 10s. Then I turned on the machine normally.
NVRAM & SMC steps were from an old youtube video, as the instructions I had did not explain how to do so clearly.
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Seems so exorbitant to pay $350 for Apple Care; that's a the cost for a whole new cheap laptop.
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Hello there, willr314.
It sounds like you've covered most of the practical steps found in this Knowledge Base article:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573#1
No video or no signal, image distortion, "snow," or flickering
Check connections
When using an external display be sure to check the following:
If you're using an Apple notebook, confirm the AC power cable or adapter is securely connected to the computer and the cable providing power to the display is also secure. It is always good to have your notebook connected to AC power when an external display is in use.
Confirm display adapters are fully seated in their respective connections and that they are supported models and for the computer and display. Refer to these articles to assist you with adapter compatibility and further configuration information:
Monitor and Display Adapter Table
About Mini DisplayPort to HDMI adapters
Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)
Thunderbolt ports and displays: Frequently asked questions (FAQ)
Remove all display cable extenders, KVM switches, or other like devices and retest to determine if the issue is resolved.
Try unplugging the video adapter or cable and then plug it back in.
If more than one video adapter is in use (or "daisy-chained"), troubleshoot by using only one adapter.
Example: A mini DisplayPort to DVI adapter connected to a DVI to HDMI adapter is an unsupported configuration because there is a series of adapters in use.
If available, try using a different display and or adapter (or use a different connector by using DVI instead of VGA, for instance).
Reset the system
You can reset the Mac's parameter RAM and SMC.Reset the resolutionStart by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
The article does offer some additional links and recommendations as well:
These articles may offer additional assistance and information about displays and video adapters:
Apple Portables: How to use your computer in closed lid mode with an external display
Apple Cinema Display (30-inch DVI) has 1280 x 800 as the maximum available resolution
Mac Pro (Early 2009), Mac Pro (Mid 2010): Supported display configurations
For assistance with Retina displays, please see Frequently asked questions about using a Retina display.
If you tried all of these steps for your display and the video issues persist, contact Apple technical support or take your Apple computer to the nearest Apple Store or Apple Authorized Service Provider (AASP) for diagnosis. If you plan to visit an Apple Retail Store, make a reservation at the Genius Bar using http://www.apple.com/retail/geniusbar/ (available in some countries only).
Note: Diagnostic fees may apply for issues not covered under warranty or the AppleCare Protection Plan (APP).
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

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Hi, I'm looking at buying the current Macbook Pro Retina 13", but I'd like to use it with 2 Dell UltraSharp U2713HM monitors http://configure.euro.dell.com/dellstore/config.aspx?c=uk&cs=ukdhs1&kc=305&l=en& oc=U2713HM-Black&s=dhs&sbc=dell-u2713hm
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178°/178° ultra-wide viewing angle
In-plane switching technology
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Pivot, tilt, swivel and height adjustable (115mm)
Arsenic-free glass and mercury-free LED panel
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http://support.apple.com/kb/HT5019
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Jenn.Y wrote:
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whats the maximum resolution supported @ 60 Hz on an external display for mid 2014 macbook pro retina 13 inch ?

I don't know where you found 1920x1080, but that isn't the max. The INTERNAL display can even support more than that.
The maximum resolution is really hardware based, and since Thunderbolt 2 has a Mini displayport connector (Mini Displayport 1.2), the max resolution for Mini Displayport is 4k (3840x2160).
PLEASE NOTE: Not all adapters can support that resolution, most monitors that can run 4k @60Hz have Displayport 1.2 (The most recent revision), Mini Displayport 1.2, and HDMI 2.0. DVI dual link can run 4k, but only 24-30Hz, depending on the monitor.
Hope this helps!!

HDMI bad resolution on second monitor macbook pro retina

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