06-06-2011, 06:42 AM #1Screen Resolution on Macbook Pro through Mini Display
Firstly, this is my first time posting on these forums so I hope my question has found the right bracket for this.
I am currently the proud owner of a Macbook Pro 15" from 2009 and I have never had any problems with the piece, just until now. I usually have it connected to a Samsung 32" screen when I am at home and through the mini display - HDMI it has been running flawlessly for about a year.
A couple of days ago I had some internet connectivity issues and switched my laptop off and on a couple of times in an attempt to fix it (with success I might add) but for some reason my screen resolution to the Samsung screen has suddenly dropped as a result. Regardless of the settings I try I get a grainy image on the screen, definitely not a 1080p output. I have tried different HDMI cables, different HDMI ports.... I have even taken the computer to work to try a different TV! Still the same grainy image. I cannot for the life of me figure out why this has suddenly dropped in the output. The screen on the laptop itself is fine, it's only when connected to an external source.
Anyone have any ideas?
06-06-2011, 07:14 AM #2
- Member Since
- Dec 22, 2006
- Texas, where else?
- 15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '11 1.8 i7 4GB 10.10; 21" iMac '13 2.9 i5 8GB 10.10; 5s & 5c
Note: 'Tis always better to ask one of the staff to move a thread than to create duplicates.
Try a reset of the SMC.I cannot be held responsible for the things that come out of my mouth.
In the Windows world, most everything folks don't understand is called a virus.
06-06-2011, 08:04 AM #3
I tried resetting the SMC and it didn't seem to make much difference. The weird thing is it used to work fine, and it has suddenly dropped resolution.
And thanks for the note, as I said, I'm new on here Please would an admin move this to the 'Other Hardware and Peripherals'-Forum as it seems more appropriate.
06-06-2011, 08:11 AM #4
Video settings are also stored in PRAM. Try resetting the PRAM. Good luck!
Resetting your Mac's PRAM and NVRAMmike
This machine kills fascists
Got # ? phear the command line!
06-06-2011, 08:28 AM #5
A good call and I would never have thought of it myself, but it didn't seem to make a difference. I am starting to dread that it is something small and stupid that I have done, and when I find it I'll be kicking myself for a week! Either that, or it's something dead serious
06-06-2011, 03:37 PM #6
- Member Since
- Jan 23, 2008
- Fort Worth, Texas
- 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
Another member some time ago had the same problem as you; it turned out that he did not scroll upward in the display resolution selection box far enough to select "1080p". The "1080p" selection will be at the top of the menu scroll box so make sure you're scrolling upward far enough to see it and select it.
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