Hardware :: LG L1750HQ Monitor Wont' Turn On?

Dec 18, 2008

My MacBook Pro at work running 10.5.5 "sees" the monitor but the display won't turn on and no screen appears.

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Mac Pro :: Monitor Won't Turn On?

Jun 23, 2010

I have a Mac Pro 8 core that is almost 2 years old. Still running Leopard and 10.6 I believe.

This morning all worked great, and after a lunch break the 30" Apple monitor won't turn on. The power lights on the monitor. We substituted an older 22" we have and that won't work as well.

We tried both video inputs on the back on the computer and still nothing.

When we turn on the computer we hear the Apple signature sound and even though there is no visual on the monitor, this computer has a QuicKey keystroke to shut down the computer and this works.

Is this a graphics card failure?

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OS X :: Simple Way To Turn Off Monitor?

Oct 28, 2007

Is there a simple app, key combo, or a way I can use AppleScript, to turn off my monitor manually (resume on mouse move)? I need something like this for the automatic input switcher on my monitor to work.

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OS X :: MacBook Pro Monitor Won't Turn On?

Sep 11, 2009

Earlier this summer, my iMac suffered a crashed Logic Board. Thankfully AppleCare took care of the $900 it would have cost to replace it.

Earlier today I put my MacBook Pro to sleep by closing the lid. About 2 hours later I went to open the lid and the monitor never turned on. The white light is on in the front. I restarted it and the light remained on and the monitor did not turn on. I unplugged all devices and restarted and still no luck. The Number Lock key lights up and the sound works fine - but no display.

Could this be another failed Logic Board or a failed chip set from here:[URL]

Are there some other types of methods I should try (PRAM Reset, etc.) If I have to bring it in, thankfully AppleCare covers this Mac for another year. What horrible luck - college just started.

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IMac :: Can You Turn On Monitor Only With New 27

Oct 26, 2009

I am seriously considering the possibility of using the 27in iMac as an external monitor with my MBP when I am home and need the extra monitor space. That would also allow my family to use the iMac when I am away at work or out of town. Since my MBP has a Mini DisplayPort, it should be as easy as connecting the MDP from the laptop to the MDP on the back of the iMac and then connecting the USB for audio? However if the iMac is turned on, how can I use the monitor without the actual computer running at the same time?

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OS X Mavericks :: Monitor Won't Turn Off

Jun 3, 2014

2012 Mac mini with a Thunderbolt display, recently updated to 10.9.3. Normally, it's set to never sleep, but to have the display turn off after 15 minutes with no screen saver. Since the 10.9.3 update, it won't turn off at all. I've tried changing the settings back and forth with no results. I've also gone into Library->Preferences->SystemConfiguration and deleted the PowerManagement.plist file. 

I can turn the power off with control-shift-eject, but I'd rather it happen automatically. Is there something else new that came along with 10.9.3 that is preventing monitor shutdown?

Info:
Mac mini (Late 2012), OS X Mavericks (10.9.3)

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OS X :: Computer Not Going To Sleep - Can't Turn Off Monitor?

Dec 2, 2007

my computer doesn't turn off its monitor any more. i check the energy saver preferences, and its the same that i've had them before. the screen doesn't even dim anymore.

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OS X :: Turn Macbook Monitor Off With Lid Open?

Jan 14, 2007

I'm trying to rig up a system for work that will allow me to remotely monitor an industrial job site for a few hours each day and control some equipment. I've got the ability setup to remotely control the equipment, but I need a dedicated camera on an engine tach and pump presser gauge. My original plan for a remote camera is not working and time is running short, so I thought I could end up using the new MB I got recently with the integrated webcam, and VNC into the computer. I tried it out today and it seemed to work well except for two things, both related to the display being on.

1) There is no power available so maximizing battery life is a must

2) I was getting a bit of a glare off the gauges from the screen that made viewing a bit difficult.

I think both would be solved if I could run the MB with the screen off, but I don't know if this is possible.

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IMac :: How To Turn Off The Screen And Use Other Monitor

Jan 17, 2009

i have a imac g5 and it is hooked up to an external monitor. the reason why i want to turn off the imac screen is because the lcd is cracked. i just want to use the other monitor as the main one.

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IMac :: Turn Off Monitor - Settings Ignored

Feb 28, 2009

i've looked far and wide for a way to turn the monitor off on my new imac 24", nvidia 8800, running xp and still havent found anything. does anyone know of a way to turn it off? i've tried to set the "turn monitor off" setting to 1 min under power management and it gets ignored. also, i've even written an app to try and turn the screen off based on this: [URL:...] and it is also completely ignored.

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MacBook :: Totally Turn Off Monitor?

Jun 21, 2009

I'm currently working out a plan to use my old Macbook as an AppleTV equivalent- I've found out about atv4mac and it sounds ideal. However, the laptop will spend the whole time running with the lid closed, is there any way to totally turn off the monitor? I can turn the brightness down all the way, but it's still on, seems like a bit of a waste!

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OS X V10.7 Lion :: Enable Monitor To Not Turn Off?

Apr 11, 2012

my monitor seems to turn off after around 5-10 minutes or so. i tried changing the setting, but couldn't find how i could do it.

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MacBook :: How To Turn Off The Display With External Monitor

Feb 18, 2009

I know that the web have a lot of tips similar to this that i will ask, but i couldn't find no one exactly with what i want

I bought a new monitor, and mini-dvi adapter, an external keyboard and mouse to plug on my macbook

I would like to know how to turn off the macbook display without having to close it. I want to know that because if i don't close the macbook, both displays are on. If i close the macbook, the computer goes to sleep and then i press some keys on keyboard and the mac wake. In that point, if i open my macbook the display is turned off like i want. But i don't want to have to close the macbook all the time, and i don't want to leave the macbook closed because closed the temperature goes high.

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OS X :: IMac G5 17" ISight - Monitor Won't Turn On?

Jul 10, 2009

iMac G5 17" iSight
1.83GHz
2GB 667MHz SDRAM

My monitor has turned off and will not come back on. Clicking noises and a slow operating speed occurred a few days ago. I have tried this SMU Reset Process below:

from [URL]

1. Turn off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off.

2. Unplug all cables from the computer, including the power cord.

3. Wait 10 seconds.

4. Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer.

5. Let go of the power button.

6. Press the power button once more to start up your iMac.

Upon completing step 6, the computer turns on only to feature the fans spinning at maximum speed and still no monitor display.

Is this a Logic Board issue? The iMac was purchased for $1700 in 2006. Would repair costs be so high that just buying a new iMac would be the better way to go?

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MacBook Pro :: Can't Turn Off Mirroring With VGA Duel Monitor Splitter?

Oct 29, 2010

My goal is very simple for the time being.... run my 2 LCD monitors together so I can have double the desktop space. I plugged everything in properly and it seemed to work right away at my pleasure. However, then I quickly started getting real pissed off.. If you guys have ever looked into the "displays" option when you have a mac hooked up to any other kind of external monitor, there is a "mirror displays" option. When I have these 2 monitors running default mirrored, and go into "Displays" there is no option for unchecking the mirroring box. In fact, there isn't even the "Arrangement" tab. Just "Display" and "Color".

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PowerPC :: Turn Broken Imac G5 24" Into Monitor?

Mar 9, 2010

**Intel Imac 24 in. 2.4GHZ Core 2 Duo (NOT G5...my bad)

I know the "Using imac as external monitor" topic has been adressed in previous posts and it apparently can't be done. But this is slightly different.

I have this Imac G5 24" that is currently out of order. (won't detect hard drives when powered on 90% of the time and when it does i am experiencing ridiculous lag and random shutdowns...not to mention crazy overheating)

I sent it to tech support and after changing the hard drive, power supply etc.. and still not seeing any improvement i just stopped sinking money in repairs and got a new imac.

So now i just have this useless imac laying around and i figured i might as well try and recycle it into a secondary monitor.. I don't mind hacking it open since i have nothing to lose. I was just wondering if it could be done and if so would it be very complicated? I would rather pay a few hundred dollars in wires and IT than buy a cheap external monitor since its already a decent quality monitor and it matches the new imac

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MacBook Pro :: How To Turn Off The Builtin Display When Connected To An External Monitor

Nov 21, 2010

WITHOUT closing the lid, because i like using the touchpad. i know that you can turn the brightness all the way down, but sometimes windows from the main screen randomly open on the other display. and it also slows down performance. i want to turn off the 13" screen as if the lid was closed. that way, the mac doesn't even see it.

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MacBook Pro :: Internal Monitor Not Turn On But External Display Works

Nov 12, 2009

I have seen people all over the internet saying that their MBP monitor would not turn on, but I have not seen my situation before. I used the computer a week ago (it's a work machine and I'm a part time intern) and both the external and internal monitor worked. I shut it down and when I came back the computer booted up to the external monitor but gave no video on the internal.

I shut down, removed the external monitor (connected by DVI cable) and rebooted. Nothing came up but when I connected the external again it worked fine. This had happened before, but when I shut down and rebooted without the cable connected it came back on immediately. I'm just hoping its not a bad graphics card or something that needs to go in for warranty.

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Intel Mac :: During Turn On Monitor Displays A Flashing File Folder?

Apr 23, 2012

During turn on monitor displays a flashing file folder with a question mark

Info:
iMac, Mac OS X (10.0.x)

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Mac Mini :: Dell Monitor - Energy Preferences Set To Turn Display Off After 15 Minutes

Jun 28, 2009

I have my 09 mini connected to a Dell E177FP and I have the energy preferences set to turn the display off after 15 minutes. The problem is that the display never turns off. It just sits at the "check signal" screen as if it was not plugged into anything. How can I get the monitor to go into standby mode?

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MacBook Pro :: When Turn It On, It Just Goes To A White Screen With A Flahing Grey Folder With A Question Mark And Will Not Turn On?

May 12, 2012

I've tried turning it ff and on via the power button several times, but it always goes back to the white screen.

Info:
MacBook Pro (13-inch Mid 2010)

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PowerPC :: Unable To Turn Off/turn On IBook G4?

Jan 4, 2009

Had (used) iBook G4 several months now & thoroughly enjoy it, even tho' I live in the sticks where there's no hi-speed/wireless available; I connect to internet & power, which is fine.

This weekend I went to turn off my iBook & it wouldn't turn off. It's now permanently on, with opening info barely visible (like I need to click on F2 to brighten up, except nothing happens).

Currently using my "back up" computer, my iMac Grape, which is pretty much an antique by now.

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MacBook Pro :: Unable To Turn Off/turn On A Bluetooth?

Apr 14, 2009

I have a problem with my 17'' MBP unibody:

1) Bluetooth is ON:

I can't turn it off. The checkbox is inactive.

But I can turn it off, if I choose "Share my internet connection for other units". (I don't know, if this is the right text in english, because my OSX is in german)

2) Now Bluetooth is OFF:

But I can't turn it on, because the checkbox "ON" is inactive.

It turns only on, if I choose "New Unit"(?). Then there is a new window, that says, that this is only possible if Bluetooth turns on. If I say OK, bluetooth turns ON.

Back to 1)

What's the problem. Why is this f* checkbox for turning bluetooth on and off inactive?

This is not a hardware problem, because I can have stable bluetooth connections.

I did a smc and am pram reset. But it doesn't help.

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MacBook :: Can't Make Monitor On Mini Display Port Primary Monitor?

Aug 18, 2010

I have a fresh install of Windows XP, service pack 2 on a boot camp partition on my macbook (13" first gen aluminum case) and a Apple LED Cinema Display attached to the mini display port.

I can't seem to make the Cinema Display the primary display (the "Use this device as the primary monitor" checkbox is always greyed out in the Display Property Settings tab). I also can't shut the macbook lid and continue to use it closed (with kb, mouse and monitor attached) like I would when booting OSX.

Is there some other way to make the Cinema Display the primary monitor, so I can leave the macbook closed when booting into Windows?

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Hardware :: Powerbook With Broken Monitor - Force Boot To External Monitor?

Jan 31, 2010

I have a G4 powerbook with an LCD that only displays the top 25% of the screen. I've been using an external monitor with it just fine. Today, I reinstalled the OS and ran into a problem. The main OSX startup menu (you know, where it asks for your location, timezone, personal info, etc) is prompting me for information, and I can't see the forms to fill them in! The external monitor defaults to "extended" as opposed to "mirrored", and the forms are embedded, meaning I can't drag them over to my external monitor. Obviously, if I can't fill out these forms and get to the desktop, the laptop is completely useless.

Does anyone know how to force the external monitor to be "mirrored" from startup? Is there a keycommand?

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OS X :: Monitor Suddenly Goes Completely White / External Monitor Goes Black

Jul 30, 2005

I have been using the latest macbook pro 13.3" since April 2010. Over the last week the monitor suddenly goes completely white and the external monitor goes black. The laptop becomes unresponsive although the programmes opened continue running (e.g a skype voice call would continue without interruption although the monitor is all white).

The only solution at the moment is to press the turn off button for a few seconds then switch the laptop on again. It will then work normally until for no apparent reason this happens again.

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Hardware :: Apple 2001 Studio Monitor - Fomac Monitor?

Jul 12, 2009

I have a macbook pro from 2007, and I just popped into a tagsale and picked up one 2001 Mac Studio Monitor and a 2001 Fomac Gallery monitor.. So I was hoping to use the monitors with my laptop because the small screen on this laptop is KILLING me, and i'm not yet prepared (financially) to get a powermac.. Paid $10 for both of them..

my issue right now is, the monitor's cable doesnt match the input on my compuer. I need a ACD DVI clip cable.. Now, i looked them up and the price is $100! Call me naive, but i had no clue a connector cable would ever cost that much..

So basically, I am curious if there was a different option to get this to work with my computer OR if there is a place to get a used or "extra" cable

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Power Mac G5 :: Reset Monitor Resolution Supported By Monitor?

Nov 22, 2007

I have a G5 Quad with an Ati x1900 graphics card running into a 52" Samsung LCD. This was working fine through a dvi-vga adaptor until I switched the monitor resolution from 1920X1080 to 1360X768 which is not supported by the monitor .....blank screen. I plugged another 19" monitor into the other output on the card and both work fine but as soon as I remove the 19" the 52" reverts back to the unsupported mode. I have reset the pram and tried booting in safe mode but that did not help me. From bootup the 52" works fine until just before the login screen, then it switches resolution......blank screen. Would anyone know where these settings would be housed in OS 10.5.1 so I can modify (delete) them?

Information:
G5 Quad
Mac OS X (10.5.1)

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OS X :: Firefox Opens On Secondary Monitor Instead Of Main Monitor?

May 21, 2008

i don't know what I did, but for some reason, new windows on firefox opens on my laptop monitor (instead of my 20 inch LCD, I am running dual screens).

1. I am running dual screens, but my EXTERNAL monitor is the primary one (top menu bar is on the external monitor)

2. All applications open by default on my main monitor, except for FIREFOX.

3. I have tried dragging the firefox window back to main monitor, both in spaces view as well as normal view, to no avail.

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MacBook :: Using External Monitor With New MB (2.4GHz)/monitor Sleep?

Oct 16, 2008

I picked up a new MacBook yesterday and I noticed a weird issue when coming out of "monitor sleep" mode, not regular sleep mode.

When I move the mouse, the external monitor shows what you see in the picture, kinda like a TV with no signal. The MacBook screen works fine so what I just do is unplug and re-plug in the DVI plug and everything is good again.

My 24 inch Dell monitor worked fine with my M1330 and other computers so I know it's not that. Does anyone have the same issue or maybe give me some light on this?

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