Display to TV output problem

Realization · Realization #1 (**permalink**)

12-16-2009, 09:38 PM

Hi,

I have a MBP 15" that I bought in 2007, along with a new 40" Sharp Aquos tv. A little while ago I bought a HDMI cable and an adapter to allow my MBP to connect and display on the tv. Everything was working fine, up to and including the last time I connected it, about a week ago. Today I went to use it like normal, and it just won't display. Some notes below:

- it's not the cable; I swapped the same cable in for my ps3 on the same tv port (so it's not the port either) and it works fine
- I have it set to the right HDMI input (HDMI 5 for what it's worth)
- when I go into displays on my MBP when the cable is connected and tell it to check for displays, it recognizes that there is a connection to sharp HDMI; this makes me think the problem is on the computer's end and not the TV's; this also makes me think it's not the HDMI adapter that I bought (or else how would it be able to recognize being connected to the TV in settings?)
- I have mirroring enabled

This is infuriating, as it was working only a week ago, and as far as I know nothing has changed! Furthermore, since it's a multi-faceted problem there's no tech department I can call for help since I'm sure they'll just pass the buck. Any ideas what could possibly be wrong?

Thanks!

chscag · chscag #2 (**permalink**)

12-16-2009, 09:46 PM

Sounds like there may be some "brain damage" in the recognition process from the output of your MBP to the TV. Try resetting the PRAM - NVRAM for your MBP and see if that resolves the problem. See the following Apple KB article: LINK

Let us know if that works.

Regards.

Realization · Realization #3 (**permalink**)

12-16-2009, 10:02 PM

Hi,

Thanks for the response. I tried your suggestion, but unfortunately it's still not displaying. Any other suggestions?

Thanks again.

VegasGeorge · VegasGeorge #4 (**permalink**)

12-16-2009, 10:03 PM

I mean no offense, but is it possible that the display got turned off? They often have a hidden control that you might have touched by accident. Turned off, or switched to a different input source.

Realization · Realization #5 (**permalink**)

12-16-2009, 10:23 PM

None taken. If I take the HDMI cable, pop off the adapter, and plug the cable into my PS3, the display is picked up immediately (without changing any settings on the TV). So unless I'm missing something, the problem seems to be on the computer's end

bobtomay · bobtomay #6 (**permalink**)

12-17-2009, 06:39 AM

Have you tried rebooting the computer?

Never mind, I guess you have if you did the NVRAM reset.

bobtomay #6 (permalink)
Member Since: Dec 22, 2006 Location: Texas, where else? Posts: 22,048 Mac Specs: 15" MBP 2.33 C2D 256 4GB, MBA 13" i7 1.8, MB 2.0 2GB, Nano 4th, 3GS, iPad 1	12-17-2009, 06:39 AM Have you tried rebooting the computer? Never mind, I guess you have if you did the NVRAM reset. 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.
	QUOTE Thanks

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
External LCD Display Resolution Problem	gooshy	Apple Notebooks	12	11-06-2011 07:12 PM
Display problem when disconnecting iMac from TV	geoffstgermaine	Apple Desktops	2	02-28-2009 01:02 PM
iWeb URL display problem	jgbkid	OS X - Apps and Games	0	05-05-2008 02:20 PM
iMac G5 Display Problem	EuroKRN	Apple Desktops	10	11-30-2004 03:28 PM
Display problem (not the usual)	missyvortex	Apple Notebooks	7	10-11-2004 07:15 PM

Display to TV output problem

Internet Services

Web Development

Digital Marketing

Consumer Tech

Realization #1 (permalink)
Member Since: Dec 16, 2009 Posts: 3	12-16-2009, 09:38 PM Hi, I have a MBP 15" that I bought in 2007, along with a new 40" Sharp Aquos tv. A little while ago I bought a HDMI cable and an adapter to allow my MBP to connect and display on the tv. Everything was working fine, up to and including the last time I connected it, about a week ago. Today I went to use it like normal, and it just won't display. Some notes below: - it's not the cable; I swapped the same cable in for my ps3 on the same tv port (so it's not the port either) and it works fine - I have it set to the right HDMI input (HDMI 5 for what it's worth) - when I go into displays on my MBP when the cable is connected and tell it to check for displays, it recognizes that there is a connection to sharp HDMI; this makes me think the problem is on the computer's end and not the TV's; this also makes me think it's not the HDMI adapter that I bought (or else how would it be able to recognize being connected to the TV in settings?) - I have mirroring enabled This is infuriating, as it was working only a week ago, and as far as I know nothing has changed! Furthermore, since it's a multi-faceted problem there's no tech department I can call for help since I'm sure they'll just pass the buck. Any ideas what could possibly be wrong? Thanks!
	QUOTE Thanks

chscag #2 (permalink)
Member Since: Jan 23, 2008 Location: Fort Worth, Texas Posts: 32,386 Mac Specs: 21.5" iMac 2.5 GHz i5, iPad 3rd Gen., 3 iPods	12-16-2009, 09:46 PM Sounds like there may be some "brain damage" in the recognition process from the output of your MBP to the TV. Try resetting the PRAM - NVRAM for your MBP and see if that resolves the problem. See the following Apple KB article: LINK Let us know if that works. Regards.
	QUOTE Thanks

VegasGeorge #4 (permalink)
Member Since: Sep 23, 2006 Location: Las Vegas, NV USA Posts: 891 Mac Specs: iMac, and Macbook Pro	12-16-2009, 10:03 PM I mean no offense, but is it possible that the display got turned off? They often have a hidden control that you might have touched by accident. Turned off, or switched to a different input source.
	QUOTE Thanks

Realization #5 (permalink)
Member Since: Dec 16, 2009 Posts: 3	12-16-2009, 10:23 PM None taken. If I take the HDMI cable, pop off the adapter, and plug the cable into my PS3, the display is picked up immediately (without changing any settings on the TV). So unless I'm missing something, the problem seems to be on the computer's end
	QUOTE Thanks

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)