External Display not working with MacBook Pro 13" (early 2011)

I just bought the current MacBook Pro 13" (i7 processor). My external display (Benq 20"W, 1600x1050) always says "No Signal Detected!". I've tried it with a DVI-Adapter (Griffin Video Display Converter) and with a VGA-Adapter (LMP Mini DisplayPort-VGA-Adapter). With lower resolution I once got a picture (but with weird lines). On my old MacBook (white, 2.16 Ghz) there was never a problem with this display (also OS X 10.6.6). Who can help?

Check this post if you want more info:
http://discussions.apple.com/thread.jspa?threadID=2774718
The gist is that DVI is currently very iffy through Thunderbolt. Mini display -> mini display OR mini display -> HDMI should work fine. It's most likely not your adapter itself but the fact that it's DVI.
If you can, get a mini display -> HDMI adapter and try that (assuming your external has HDMI).
I should hear back tomorrow or Monday from apple engineers with more specific info about this issue and I will update then.
BTW- DVI anywhere in the chain will make things fail. Mini Display -> DVI and a DVI/HDMI cable won't work with any reliability (I've tested it on three completely different monitors).

Similar Messages

External Monitor Not Working With Macbook Pro

My computer was working fine with an external monitor, then my computer froze, and I had to hold down the power button. When I turned it back on, my computer would not work with an external monitor. I've tried different cables, so it's not the cable. The monitor is being detected by the computer, but nothing is showen on the external monitor. When connecting the monitor to the computer, the computer's screen goes blue, then turns back to normal. I
I cannot reset the SMC by removing the battery, I do not have the confidence to remove my battery, and do not have the time to send the computer to someone else to do it.
I also tried updating my OS from 10.7.4 (Might've been 10.7.3) to 10.7.5.
My computer is a MacBook Pro (13-inch, Mid 2010), running OS X 10.7.5 Lion.
I need to get this problem fixed ASAP, any help is appreciated.
Kind Regards,
Sergee237

I forgot to mention, I'm connecting the monitor via MiniDisplay -> HDMI. I've also tried USB -> HDMI and USB -> DVI -> HDMI but none of them seem to work.

External isight not working with Macbook Pro early 2008

My external isight is not working with my Macbook Pro early 2008 (2.4 GHz, Intel Core 2 Duo, 6 GB RAM, OSX Lion). It goes warm when plugged into the firewire port but is not recognized in system prefs (lists as "unknown device" and also does not turn on (green light. I tried resetting PRAM and all the other stuff as suggested here but no luck. It used to work fine on a 1st generation Macbook and I remember that one of the first times I tried it with this machine here it turned on for a few secs (green light) but then it just simply stopped.
Unfortunately, I have no other firewire device to check the port.
Any ideas, dear community?

Our (old) external Firewire iSights can be sensitive to dust, shock, vibration, humidity, and other environmental factors in storage. (I store my spare in its original plastic shipping case with a new desiccant pack on a solid shelf - never in a desk drawer or other container that moves.)
You have tried several good things and may be finding that your old iSight needs work.
Here are the alternatives I can offer. Consider any you have not tried in any order you like:
(1) You can try Apple's suggestions from http://support.apple.com/kb/HT2090
Test in more than one user account and with more than one Apple softwre application.
(2) My expanded suggestions here: http://www.ralphjohns.co.uk/EZJim/EZJimpage4.html
(3) Reset Firewire ports using the info from this old archived Apple article: http://web.archive.org/web/20090331211534/http://support.apple.com/kb/HT1317
(4) If you have no local Apple Authorized service Provider who can help you, other service options are here: http://www.apple.com/support/isight/service/
(5) Consider a new USB cam with current warranty such as one of these: http://www.mac-compatible-web-cam.com/
Message was edited by: EZ Jim

External Display not working with MacBook

I just purchased a Mini-DVI to Video Adapter so that I could hook my MacBook into a TV and I found that it won't work when I'm using Windows XP, but works fine in OSX. All I want to do is connect my MacBook to my TV using Windows. S-Video is what I'm using to connect. Anyone know a fix?

The following drivers are provided by apple and solve the problem for me. After installation get into nvidia settings and allow to adjust TV settings automatically..
If you use Windows XP: http://download.info.apple.com/MacOS_X/OTHER/BCNVIDIA/WinXP32(167.44).exe
If you use Windows Vista: http://download.info.apple.com/MacOS_X/OTHER/BCNVIDIA/WinVista32(167.44).exe
I hope this helps!

Thunderbolt display not working on Macbook Pro - previously the display did work

Thunderbolt display not working on Macbook Pro - previously the display did work

I have upgraded ML but when the MBP tries to restart with the upgrade the MBP does not restart so I susapect the ML upgrade is not complete ? When you refer to 10.8.5 supplemental is this a separate upgrade ? When I connect the Thunderbolt to the MBP the Thunderbolt charges my MBP & I can play music from iTunes via the Thunderbolt. It is only the display that is not working on the Thunderbolt

Lightroom (CC) 2015 is not working with Macbook pro 2015 model ! any clues about it ??

lightroom (CC) 2015 is not working with Macbook pro 2015 model ! any clues about it ??

Ahmed
Generally signing out and signing in (signing out and back into the Creative Cloud application ) will fix this. If it isn't resolving the issue for you, let us know what you see and we can try something else.
Pattie

SSD-problem with MacBook Pro 13" (Early 2011)

Hi there,
I've tried to use two different SSDs in my MacBook Pro 13" (early 2011). The first one (Samsung 840 Series, 500GB) crashed after two days: the beachball appeared and after a restart there was this question mark-symbol on my screen: no system found. Had to send this SSD back to Amazon. A few days later I've bought a new one, a SanDisk Extreme with 450GB. I've used it for two days, then my system crashed again and after a restart of my Mac I couldn't get any further than to the grey apple-symbol. Even the recovery partition didn't work anymore. Does anyone of you have the same problem with his (or her) MacBook Pro 13" (early 2011) - and any ideas for a solution?
Thanks for your answers!
Torsten

can you confirm if this is ok to buy:
http://www.ebay.ca/itm/New-HDD-Hard-Drvie-Cable-for-13-MacBook-Pro-A1278-MD101-M D102-821-1480-A-2012-/181269577616?pt=LH_DefaultDomain_0&hash=item2a34823f90&_u h b=1
or
http://www.ebay.ca/itm/NEW-MacBook-Pro-Unibody-13-A1278-2012-md101-102-HDD-Hard- Drvie-Cable-821-1480-A-/121183868039?pt=LH_DefaultDomain_0&hash=item1c371f1487& _ uhb=1
or this one..??
http://www.ebay.ca/itm/for-APPLE-MacBook-Pro-13-A1278-HDD-Hard-Drvie-Cable-MD101 -MD102-821-1480-A-2012-/331060187298?pt=LH_DefaultDomain_0&hash=item4d14b990a2& _ uhb=1
i guess i aint gotta buy those brackets again..?
Thanks
Anjillan

External superdrive is not working on macbook pro 15 inch(2011 model) with mountain lion

Hi,
I try to install windows in my macbook pro via bootcamp, but since I installed latest osx mountain lion on it, the external superdrive doesn't work anymore( even if on the startup mode, hardware can't detect it). superdrive works on my 2009-2010 mac mini server. help!

The USB SuperDrive only works on Macs without SuperDrive, so it's not compatible with your Mac. You have to use your internal SuperDrive to install Windows

Thunderbolt 2 external hard drive not working with Macbook Pro (early 2011)

Hi,
I'm new to this forum and I hope you guys can help me with this:
I've recently bought an external hard drive that works on Thunderbolt 2 (LaCie d2 3TB). When I connect the new drive to my Macbook Pro through the thunderbolt port, the drive isn't recognized. However, the drive works fine through a USB connection.
I thought that Thunderbolt and Thunderbolt 2 are compatible, however this doesn't seem to be the case. Maybe it's because the OS X / driver / firmware version that I'm working on that is not updated? I work on an early 2011 Macbook Pro: OS X Version 10.6.8 (Snow Leopard).
Thank you very much for your help!
Daniel

Hi danielsh6,
I recently bought the new Lacie Thunderbolt 2 D2 3TB and I had the same problem as you, i have a macbook pro early 2011, those support thunderbolt but many times there is a bug that doesn't let you connect any thunderbolt drives to your computer. The solution I found was installing this update:
Thunderbolt Firmware Update v1.0
Before doing this I would recommend you updating to mountain lion (not yosemite yet as there is still some glitches and more on preview's macbook pro's).
Hope this helped!
Forest

Hitachi X500 external hard drive not working with MacBook Pro

I purchased a new Hitachi X500 500GB external USB hard drive today and when I plug it into my MacBook Pro the drive makes a clicking noise and never mounts. When I try it on my wives MacBook it boots up fine. I bought one early in the day and the same thing happened, so I returned it and got a new one and the same thing happens. Any thoughts?
Looks like it's formatted with Fat32 when I look at it on the MacBook.
Thanks

Welcome to Apple Discussions!
Does the external drive have it's own power brick? If not, it's bus-powered and may not be getting enough juice to run.
Also try all the USB ports on your MBP. Although they are "supposed" to be producing the same amount of power, posts around here suggest that's not always the case.
If the drive does not have a power brick, you can get an inexpensive powered USB hub (it has a power brick) like this one:
http://eshop.macsales.com/item/Belkin/F5U403P/
Adding a powered hub fixes problems with bus-powered USb external drives about 95% of the time.

External display only works with Macbook open?

I have an Acer AL2623W which works fine as an additional or main screen, but a second after you close the laptop the screen goes blank and it shows an 'input not supported' error. The Macbook stays on, it just doesn't drive the monitor alone. Re-open the Macbook and both work normally!

Hello Siôn Dafydd,
Welcome to the Apple Support Communities!
I understand that you are using an external display with your MacBook Pro and when you close the display on your MacBook Pro, the second display turns off. It sounds as though your MacBook Pro may not be connected to power while using with display closed. Please read over the attached article for information on using a second display in closed-clamshell mode.
How to use your Mac notebook computer in closed-clamshell (display closed) mode with an external display - Apple Support
Have a great day,
Joe

24" LED Cinema Display not working with Mac Pro

I have a Mac Pro (2 x 2.4 GHz Quad-Core, model identifier MacPro5,1) purchased in late 2010 and a 24" LED Cinema Display. The Mac Pro has three video ports--a full-sized DVI and two mini DVI. When I plug the Cinema Display into either of the mini DVI ports, I cannot get a picture, although the iSight camera works fine. If I plug another monitor into the full-sized DVI port the computer believes that is the only monitor. The Cinema Display works fine with my MacBook, so there is nothing physically wrong with it.
Is it not possible to use this monitor with a Mac Pro without an adapter, even though the Mac Pro does have mini DVI ports?

Atiya wrote:
I have a Mac Pro (2 x 2.4 GHz Quad-Core, model identifier MacPro5,1) purchased in late 2010 and a 24" LED Cinema Display. The Mac Pro has three video ports--a full-sized DVI and two mini DVI. When I plug the Cinema Display into either of the mini DVI ports, I cannot get a picture, although the iSight camera works fine. If I plug another monitor into the full-sized DVI port the computer believes that is the only monitor. The Cinema Display works fine with my MacBook, so there is nothing physically wrong with it.
Is it not possible to use this monitor with a Mac Pro without an adapter, even though the Mac Pro does have mini DVI ports?
I use a 24" LED with my Mac Pro. Works a treat!
Does this help you? http://support.apple.com/kb/TS2400
EZ Jim
Mac Pro Quad Core (Early 2009) 2.93Ghz Mac OS X (10.6.6); MacBook Pro (13 inch, Mid 2009) 2.26GHz (10.6.6)
LED Cinema Display; G4 PowerBook 1.67GHz (10.4.11); iBookSE 366MHz (10.3.9); External iSight; iPod4touch4.2.1

Samsung LED Monitor TA950 not working with Macbook pro

I bought a Samsung TA950 Full HD LED 3D 27 inch monitor and trying to connect my MBP (early-mid 2009, does not support, MiniPort Audio). Connecting using MDP-DVI to HDMI to connect and MBP detects the monitor, I can see and change Display preferences. The monitor only flashes "no signal" when I disconnect the cables so something is happening...every so often my macbook pro display "flashes" momentarily as if it is recognizing a connection but a)nothing shows up in the display prefs after clicking "detect display" and b) nothing shows up on the external monitor. The monitor did worked and showed the MBP screen when I disconnect the cable, set the MBP display resolution to 1152 by 720, than connect the Miniport cable, the monitors flickers and shows the screen, and after a minute or 2, it goes black and goes in the loop of flickering and trying to detect the monitor

Hi, I got the same monitor the other day and there should be no problem getting it to work.
Use the DP to mini-DP cable supplied with the monitor.
Make sure this cable is plugged into the correct input DP port in the back of the monitor (not the DP port for daisychaining).
Make sure the DP input is selected in the inputs menu on screen.
Plug mini-DP end of the cable into Mac
Should work ...

Rocketfish adapter not working with MacBook Pro 13 inch

I have a rocketfish HDMI to mini displayport adapter. I have tried to connect it to a 22 inch monitor and a 50 inch TV as an extended monitor but the MacBook does not recognize the extended display.
Any ideas on how to resolve or is the adapter not supported?

Check this post if you want more info:
http://discussions.apple.com/thread.jspa?threadID=2774718
The gist is that DVI is currently very iffy through Thunderbolt. Mini display -> mini display OR mini display -> HDMI should work fine. It's most likely not your adapter itself but the fact that it's DVI.
If you can, get a mini display -> HDMI adapter and try that (assuming your external has HDMI).
I should hear back tomorrow or Monday from apple engineers with more specific info about this issue and I will update then.
BTW- DVI anywhere in the chain will make things fail. Mini Display -> DVI and a DVI/HDMI cable won't work with any reliability (I've tested it on three completely different monitors).

Detect displays not working on macbook pro

My external monitor no longer works with my MacBookPro. I know the monitor works because I also use it with my old G4. Could it be the miniVGA cable that's defective? Also, the "detect display" command doesn't work

I just purchased a 13" Mid 2012 MB Pro, first time on YouTube, the videos would not play, google "Adobe Flash", download and install the player and you should be good.

External Display not working with MacBook Pro 13" (early 2011)

Similar Messages

Maybe you are looking for