Qosmio G30 - External monitor interference when AC plugged-in

Hi there,
With the ac adapter plugged in, i get serious interferance on my external monitor (samsung Syncmaster 226bw). As soon as I remove the AC adapter it disappears.
The weird thing is my colleague here has the exact same setup in the office next door and experiences no problems at all. only difference is he is running linux whilst i am still on XP
I have tried different monitor cables, switched AC adapters with my colleague but to no avail.
Any suggestions or ideas you may have will be much appreciated.
Thanks

It doesn't matter wether you have installed Linux or Windows operating system.
Maybe you could try to use for your notebook, or monitor a ompletely single wall socket.
Another thing is, check if your colleague's notebook behaves as yours on your place connected to the monitor.

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Extern monitor only when connected?

hi, i have a big problem, i have a macbook pro 3,1 running arch with nvidia driver, and i have an extern monitior, which i want to use, if plugged in on dvi.
i want to use the extern monitor only, no macbook screen, i know i can enable the monitor with nvidia-settings, but when i shutdown, disconnect the monitor, and for example have a journey with the train, then my macbook cannot be used, because the configured screen is the extern monitor, and the macbook screen is black. no hotplugging here
if theres no clean solution for this problem, maybe there is a cmd to switch to external monitor only, which i can enter manually every time i need the extern screen, and after reboot it switches back to macbook screen?
i hope someone can help me....
regards chief

You can try something like this in your .xinitrc
xrandr | grep DVI | grep " connected "
if [ $? -eq 0 ]; then
xrandr --output LVDS1 --off
xrandr --output DVI --auto
fi

I have a one year old Macbook Air 13. I have a brand new 22" external monitor. When I connect my external monitor it initially provides a nice display - very accurate and no distortions. But, within a few minutes the screen begins a incessant series

I have a one year old Macbook Air 13. I have a brand new 22" external monitor. In turning the Macbook and monitor on, the monitor displays very well, but within a few minutes it begins this incessant blinking (temporary black out of the screen that lasts anywhere from 1-5 seconds). This has been going on for a long time (it also happended with my older monitor which apparantly I threw out when I should have kept it thinking it was the problem). From reading various blogs in the Apple support community, this appears to be a widespread problem, but I don't find a solution, only a lot of speculation. I'm very surprised the Apple folks haven't figured this out. As a new Apple user, heretofor, I have been very impressed with the support and effort to get fixes out to users. This, however, has me frustrated to the point of junking my Mac and going back to a PC. I love the Macbook Air and most of the functionality, but I cannot function without an external monitor. Anybody have any ideas, please help. Frustrated, Jim

Your dsplay is getting extended onto the external monitor. Chcnage the setting to duplicate it or only display on the external monitor and you should be fine,
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Qosmio G30-126 monitor become black and FN buttons don't work

Hello,
I have small problem, ehm two problems but perhaps small for you :)
Last week I install Vista ultimate WITHOUT RECOVERY CD..
It's OK, but I'm closing cover of notebook and instantly open, monitor become black and i can't anything do beyond restart .
In Control panel in possibilities of power supply , bookmark "options for closing pad" doesn't work.
Maybe it is by, because i don't driver if exist
And second problem maybe related with first but this is mistake by it, because I wasn't discover drivers because i don't hidden toolbar on up on dispay in Windows, where is standartly is.
I don't work major part hidden functions under key FN ( I think FN + F2,F3...F12) plus keys be the side POWER without multimedia keys on music..
Thx for help !!!
Sry for my bad english
Message was edited by: Martiosso

Hi Martin
First of all its interesting if you have downloaded and installed all Toshiba Vista drivers which are released on the Toshiba European driver page?
All drivers must be installed in the right order!
If I'm not mistaken the Qosmio G30-126 belongs to the PQG32E series. It was delivered with HD DVD drive and therefore you should choose the drivers for Qosmio G30 HD DVD (PQG32E)!!!
Please check firstly the Installation Instructions txt file and then install all drivers like mentioned in this document.
Regarding the display issue;
You should install the right NVIDIA driver from the Toshiba page!!
The FN keys and control buttons dont work because the Toshiba Vista Value Added Package was not installed. This package contains different applications which are necessary to get all Toshiba functions running!
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External monitor flickers when waking up from sleep

I use an external monitor with my new MacBook. All works well, but I have noticed that if I start using the external after the screen has gone to sleep, I sometimes get a problem on the external where the screen flickers and breaks up. If I disconnect and reconnect the Mini DisplayPort then the problem resolves, has anyone else seen this?
Tony

I have the same issue with my new macbook.
When i wake the computer from a partial sleep the screen flickers and i get line distortion through the image.
If i put the machine to sleep unplug the mini dvi adapter and replug it in and wake the computer up the problem disappears.
The issue is also intermittent doing about 3 times out of every 10 wake ups...
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External monitor flashes when scrolling large Photoshop images

Hello,
My external monitor is flashing when I scroll around large Photoshop files. I'm assuming it the graphics processor switching modes. I've got a brand new Macbook Pro 2.66 i7 17" computer and am using a 23" Cinema HD Display (clear bezel) with the Apple ADC to DVI adapter.
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Message was edited by: CyrilW

According to Apple with an external monitor connected only the nvidia card is used. So it's not changing graphics cards. I would think it's more a driver issue or the usual blinking screen fault of nvidia (timing issue). Send in a report to Apple describing the fault.
One other thing to check is your cables, from what i gather from your post you have a chain adc-dvi-mdp rattle them, and clean them with spray to take away oxides.
Message was edited by: pepparkaka

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I can reproduce it.
1. Go to this page in Safari (Version 7.1 (9537.85.10.17.1)): https://www.google.com/finance?q=LQD&ei=nQQ_VPj1H4ebrAHP6oDYDQ
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Hi Ziang Song,
Welcome to the Apple Support Community!
I know it can be concerning when your external display is flickering and not functioning as you would expect. In this situation I recommend the troubleshooting steps outlined in the attached article.
Apple computers: Troubleshooting issues with video on internal or external displays
Cheers,
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It's very frustrating, needless to say.

Hello Mendeezee,
Depending on the age of the monitor, you may not be able to playback any HD content that is purchased in iTunes. One way to check is to download the SD version that comes with the HD version. Check out the articles below for more clarification.
iTunes for Windows: Unable to view or play HD video content that requires HDCP
http://support.apple.com/kb/ts3354
iTunes: Purchasing and viewing HD videos
http://support.apple.com/kb/HT3209
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Hello people,
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Should I send it for service?
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Message was edited by: Vasilias

Hi Vasilias
Thats unbelievable! You need 9 hours to install a simple web design application!
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Hi - thanks for the reply!
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Hi
Can you hear the sound when playing music from CD or mp3 files?
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How can I sync iPhone 3GS with my Windows 7 PC, when iTunes does not appear on monitor screen when I plug the iPhone into the computer?

How can I ync iPhone 3Gs with my Windows 7 PC, when iTunes does not launch when I connect the iPhone to my computer? Note: My computer crashed and I am reinstalling everything.

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Disable autosync in iTunes, connect your phone to your new computer and right click on it in the device list and choose backup. iTunes will backup your device without syncing.
Transfer your purchases the same way, choosing "transfer purchases" this time.
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Don't forget to set up at least one contact and event on your new computer to be able to merge calendars and contacts when you sync the iPhone for the first time.
Music is one way only, from the computer to your device, unless you bought the songs in iTunes and transferred your purchases.
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How to back up and restore:http://support.apple.com/kb/HT1414
How to download apps for free again:http://support.apple.com/kb/HT2519
Saving other data is also described here. How to back up your data and set up as a new device
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External Monitor plugs in, then goes dark?

Hello-
I have an early-2008 15" MacBook Pro. I purchased it in June of 2008.
The issue I am having is when I am using an external-monitor as a second display. I use a DVI->VGA converter for my external monitor. When I plug it in, my notebook will recognize the external display, it will format the resolution and all, and it will even show the extension-desktop on the external. However, after about two seconds, the external will return back to black (although it does NOT display "no input" like it would if it was turned on with nothing plugged into it).
Any suggestions?
I really appreciate it.
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Hello-
I have an early-2008 15" MacBook Pro. I purchased it in June of 2008.
The issue I am having is when I am using an external-monitor as a second display. I use a DVI->VGA converter for my external monitor. When I plug it in, my notebook will recognize the external display, it will format the resolution and all, and it will even show the extension-desktop on the external. However, after about two seconds, the external will return back to black (although it does NOT display "no input" like it would if it was turned on with nothing plugged into it).
Any suggestions?
I really appreciate it.
-E.

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I dropped my 17" macbook pro and the screen is broken. Can I still use it with an external monitor? When I plugged it into a monitor I had used it with before, I'm not able to see anything on the macbook screen to control it. It came on but I just got the blue screen with nothing else after typing in my password. (Didn't see the password form just assumed it was there somewhere and it did go from space to blue screen but no desktop icons, files, dock strip at top or anything else, just blank blue screen) so I can't access the system preferences.
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I'd like to promise you that everything will be fine if you just get the monitor going - but it's hard to know what the hardware damage might be. It might be the monitor, or the damage might be greater.
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Um, you might consider investing in a backup drive.
And there other repair options, too. Powerbook Medic http://www.powerbookmedic.com/xcart1/pages.php?pageid=67 offers reliable repairs, and quotes prices well under Apple's.

Qosmio G30 - External monitor interference when AC plugged-in

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