Attaching external monitor resets laptop display scale

Sometimes when I connect my Thunderbolt monitor to my Macbook the laptop display resets back to no scaling. This ***** because I then have to change it back and fix all my windows. This happens maybe 15% of the time; it's happened many times now.
I've also had one case where on restart the laptop reset the scale. It was not connected to the external monitor when that happened.
Anyone else having this problem? Any ideas on how to fix it?

Hi there , Thank you for visiting the HP Support Forums and Welcome! This is a great site to get answers and ask questions. I see that you wanted to know if there was a way to hook your Spectre X360 up to an External Monitor and be able to close the lid to your Notebook without it going to sleep. I did some research on this for you also. In Power Options, Choose what closing the lid does, you should have an option that says "Do nothing". Set it to "Do Nothing". Here is a video for you this video explains how to change the Power Option settings to "Do Nothing". If you do not see this option, please do all of your driver updates either with the HP Driver's website for your specific Spectre X36 Notebook, or you can do them using the HP Support Assistant. You can change the Power Settings when on battery and when plugged in directly. You could change the settings when you do not have an external monitor plugged in to sleep when the lid is closed. Thank you for writing on the HP Support Forums! Have a great day!

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Display only on external monitor with laptop open--possible?

I have an external monitor (20" with resolution of 1680 x 1050) attached via DVI-D to my MacBook Pro 15". When I'm using it in this configuration, I like to only use my external monitor and not the built-in laptop display. The only way I can get this to work is to close the laptop screen and then wake up the computer using an externally attached (bluetooth, actually) keyboard.
My question is, how can I do this and have my laptop screen open? Whenever the laptop screen is open, its built-in screen activates and I can either "mirror" the displays or have display spanning. Mirroring does not work well for me because the external monitor's native LCD resolution is 1680 x 1050 and the laptop is 14xx by something (I forget the number).
Why do I want the screen to be open? Better airport and bluetooth reception. My external monitor is far away enough from the laptop that sometimes, the bluetooth mouse gets jittery when it tracks.
Thanks for the help!

How about turning the
brightness on the MBP all the way down? Will that
achieve what you want?
Kryten
Well, that means using monitor spanning. In that case, I could certainly make my external monitor the main display (thus, the one with the menu bar). The problem with monitor spanning in my situation is that it is possible windows and icons be mis-located to the laptop monitor. Because my two displays are not sitting side-by-side (they are at least 5 feet away from each other) this could get confusing.

How do I use my late 2011 iMac ( with thunderbolt) as external monitor for laptop/Xbox or other device with hdmi as output.

May be this question has been asked thousand times. how do I use my mid 2011 iMac ( with thunderbolt) as external monitor for laptop/Xbox or other device with hdmi as output. if apple hasn't removed that feature and has just moved that functinoality to thunderbolt then how can I use it. currently there is no laptop available with thunderbolt output. no 3rd party converter available. whats the use of having feature on latest functionality if we cant use it. I wish they would have made one port has mini-dvi and other thunderbolt for backward compatibility untill some vendor comes up with converter.

It Says :
Mac (21.5-inch, Mid 2011) and iMac (27-inch, Mid 2011) and later computers support Target Display Mode via Thunderbolt to Thunderbolt cable (2 m) when the source is another Thunderbolt-equipped computer.
Name one computer model/vendor which has thunderbolt as output for display + audio. this is so stupid to move to new technology without availbility of its compatible devices.

External Monitor will not display full view MS apps.

I have a HDMI monitor that was previously working fine. The other day I went to use Word and Excel and the applications would only appear in the lower toolbar. When I would select them they would not enlarge. They remained in a thumbnail view. My email and Internet work as expected. Any ideas what's causing this?

Hello @Bjenkins,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your external monitor will not display full view Microsoft applications on your system, and that certain functions will not work on your desktop. How long ago did your applications work properly? I would be happy to help you, but first I would encourage you to post your product number for your computer. Below is a is an HP Support document that will demonstrate how to find your computer's product number. In addition, it will also help if you indicate which operating system you are using; and whether your operating system is 32 or 64 bit. The more information you can provide, the better!
How Do I Find My Model Number or Product Number?
Which Windows operating system am I running?
Is the Windows Version on My Computer 32-bit or 64-bit?
Please re-post with the necessary information, this way I will be able to research this further for you. I look forward to your reply!
Cheers!
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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How do I display external monitor as sole display, rather than mirroring, with lid open?

How do I display external monitor as sole display, rather than mirroring, with lid open?

sudo nvram boot-args="iog=0x0" restart to take effect

How can I make an external monitor the main display?

I have a mid 2007 iMac running OS X 10.4. The internal monitor is broken and all it shows is a bunch of lines.
I have connected an external Samsung monitor. All I see in it is a desktop background: no icons, no menus, no dock. I believe this is because the display is in extended mode and the main display is the internal monitor. I cannot use the System Preferences Panel to change this, because the internal monitor is useless.
I have a second, newer iMac, from which I can login to the first via ssh.
Is there a way to make the external monitor the main display from the command line?
(I have though of editing the Preferences List, but I do not know what to change and how to change it. I do have Developers Tool installed and thus can access the Preferences List Editor.)
Thanks in advance!!!
Gustavo J. Mata

Hi everybody!
To solve the problem I wrote a script that creates a Systems Preferences windows which shows up in the external monitor. Once this happens the configuration can be changed manually, to make the external monitor the main display. This is what I did:
First I created a user with automatic login in the faulty machine. To do this:
1.- Restarted this malfunctioning iMac in Firewire Target mode.
2.- Rebooted the working iMac using the other machine as startup disk.
3.- Created the user.
4.- Restarted both machines normally
Next I wrote a script which opens System Preferences and shifts its window to the left:
5.- In the working machine I saved the script as a 'Run only' application:
tell application "System Preferences"
activate
set x0 to 1080
set y0 to 200
set dx to 800
set wx to 600
set wy to 600
set the bounds of the first window to {x0, y0, x0 + dx + wx, y0 + wy}
end tell
6.- Then uploaded it to the iMac with the faulty screen.
7- Shut down both machines.
Then I added the script application to the automatic login user in the faulty machine:
8.- Restarted the malfunctioning iMac in Firewire Target mode.
9.- Rebooted the working iMac using the other machine as startup disk.
10.- In System Preferences added the script to login items.
11.- Restarted both machines.
The System Preferences window now showed in the external terminal. I was able to go into the Displays pane and set the external monitor as the main display (dragging the white bar to it).
Cheers,
Gustavo J. Mata

W520 wont display 2 external monitors and laptop screen

Hi everyone.
I have previously had 2 external monitors working as well as my W520's screen, so 3 screens in total. A few days ago Windows 7 crashed with a BSOD and now I can only connect 2 screens at once.
Everyhting seems to be connected correctly as far as i can tell
This is the error I now get when trying to activate the 3rd screen.
Is there another driver I need to install to reenable the laptop monitor to work along witht the two external screens?
Any help is appreciated.
Like the song says... 'you dont know what you've got till its gone'.
Thanks
shane

Why isn't the second Acer external monitor (2 of 2) "checked" as well?
Don't you want all three screens in use??
How DID you have your monitors connected before the BSOD problem caused your current situation? Do you have the two Acer monitors daisy-chained via DP from the DP connector out of the K1000M on the laptop? And you were also using the laptop screen as the third? If so, I'd think that all three boxes would need to be checked in nVidia Control Panel.

External monitor for laptop not working

I just purchased this laptop and am trying to hook up an additional monitor. When I install the HDMI cable laptop screen goes dark and monitor screen remains dark. If I unplug the HDMI cable the laptop screen comes back. If i try to "adjust" the display in control panel i can only see the laptop screen. If I turn off external monitor and turn back on a message saying cable not attached is displayed before screen goes dark. I'm really in dark - need help. Thanks

The F4 was the solution for getting the laptop screen back, but i'm still unable to see anything on the external monitor. I have it recognized in the Control panel and all connections are correct. Could it be a setting with my NVIDIA GTX 950M video card? If so how do i change. By the way i checked the drivers for this and they are up to date. Now only half in the dark! LC

IMac does not recognize external monitor using Mini Display Port to HDMI

Hello,
I have been trying to get an external monitor (HDTV) set up for use with my iMac using a Mini Display Port to HDMI cable I just got. However, when I connect it to my iMac's mini display port, the imac's screen goes black for about a second, then returns, but it does not detect the external display. The other display is just showing a "no signal" message on the screen.
I have restarted, reset PRAM, connected and disconnected the cable several times, tried changing the resolution on the imac, plugged in/out the other display, and clicked the "detect displays" button using the option key in display preferences, but nothing has worked.
I am using an early 2009 iMac running Mavericks.
I've been using the AirParrot app, but it's horrible for video and a little slow.
Can anyone please help sort the issue here? I feel like ive exhausted everything that I know to do.
Thanks.

I am having the same issue. Hope Apple can fix this soon!!!

Two External Monitors - HP laptop G71 343US

Good afternoon,
I have the aforementioned hp laptop G71 343US. I work from home and I use a single external monitor almost everyday connected via the VGA port. I happen to come across another external monitor and was looking on amazon at some parts, and on youtube for videos, etc.
Bottom line question, can I hook up two different external monitors AND use my laptop screen? can this be done in such a manner than the desktop is extended and not duplicated?
I assumed that the VGA splitter i saw on amazon would create a duplicate display on both externals, but i saw videos proclaiming that a usb to VGA adapter could be used to create the desired effect. further investigation revealed that this is a "displayport" to VGA adapter.... i don't even know if i have a 'displayport.'
anyway i'm a little confused and couldn't find a concrete answer to my question. so i came here
thanks for your input!

Hi,
I've got a setup in front of me now using one of my old laptops (nearly 5 yrs old), 2 full HD monitors and one USB dock
The following image show my laptop screen (#1) has my Yahoo (Yahoo7 in my country) homepage, left screen (#2) is a Photoshop session and right screen (#3) has my normal desktop background which is my grandson.
In short: you can, I don't have HP device to test but using a Lenovo DisplayLink with 2 DVI ports from work.
Regards.
BH
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Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

Running 2 External Monitors w/ Laptop Monitor in Elitebook 8760W

I have an 8760W Elitebook w/ the AMD FirePro M5950 (FireGL V) graphics card. I am wanting to set it up so I can have 3 monitors (2 external and the onboard laptop display). I am currently connected to an HP docking station (HSTNN-I11X). The docking station has 3 display connections, DVI, VGA, & Display Port. I currently have a Samsung monitor connected to the DVI port and an LG monitor connected to the display port via display port to DVI adapter. When I go to my system properties to set up my monitors all three are shown. So I know the system is recognizing all three. When trying to extend my desktop to all three monitors I keep getting an error message on the third monitor. It says "unable to save changes". I know this computer is capable of running 5 external monitors with AMD Eyefinity software but that only recognizes 2 monitors at a time as well. What can I do to make all three of these work. I would prefer to have my desktop extended to all three as opposed to using the eyefinity setup but neither will work at this time. Also I just installed the latest driver for the card from AMDs website in hopes that it would solve my issue, nope.

Hi @Stric_IX ,
Thank you for visiting the HP Support Forums and Welcome. I have read your thread on your HP Elitebook 8760W using three or more monitors at one time. Only two monitors may be connected using VGA, DVI, or HDMI. In order to use three or more monitors, a Display Port dongle is required. Here is a document on connecting more than two monitors.
Hope this helps.
Thanks.
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Click the “Kudos, Thumbs Up" on the bottom to say “Thanks” for helping!

Connect laptop to a external monitor with laptop screen off

I need to connect my laptop to an external monitor but i need my laptop screen off.
Is it possible? I use an hdmi or vga connection, gnome as DE and ati 5700 graphic card

mm...
try on a terminal "xrandr"
first type xrandr to know the name of the two displays... then
xrandr --output laptopdisplayname --off --output monitorname --preferred
That will turn of the laptop display and turn on the monitor....
But I don't know if that command runs on gnome.. if it runs try to download "arandr" gui app of xrandr from yaourt
Last edited by vigohe (2010-12-20 03:36:54)

Broken iMac Screen; How To Attach External Monitor?

I have an intel 17" iMac and the screen is broken. How can I attach and use just the external monitor as the main monitor? Thanks.

For a DVI monitor, you will need a Apple Mini-DVI to DVI Adapter and a DVI-D cable.
For a VGA monitor, you will need a Apple Mini DVI to VGA Adapter and a VGA cable.
Then once the monitor is hooked up, go to: Apple > System Preferences > Displays and turn Mirroring Off. Then go to the Arrangement tab and drag the menu bar from the iMac display to the connected monitor.

Attaching external monitor

I am trying to attach an external monitor, Acer V223w to my MacBook that's running Windows XP. When I do this, the (internal) display on the MacBook flashes between the normal desktop and black endlessly.
Note that (immediately) previous to attaching this monitor, I had the MacBook attached to another monitor (Acer AL2423W) and it was working great. Possibly this has something to do with the problem: maybe there is some "remnant" driver or setting that is causing a problem and that I can get rid of somehow.
When I attach the monitor to the MacBook, in the device manager, 5 or so "Plug and Play Monitor"s appear. Also, nothing appears on the external monitor. I have tried deleting all the Plug and Play Monitors from the device manager, but that doesn't help. I have found no way to eliminating the endless flashing of the MacBook's display.
In any case, I very much want to use an external display, but plugging one in makes the MacBook unusable. Any advice is appreciated. Thank you.

if you want to use the DVI port on the Dell LCD, then you would need to get a Displayport to DVI passive adapter. Otherwise, use the plain vga to vga cable.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

Using External Monitor (Closing Laptop shut down image on external)

I am always having to RESTART the MBP to get the screen on the external monitor exclusively. I usually use my MBP with external monitors but when I close the laptop the external goes blank too. Then i have to restart and close the laptop very quickly.
Is there some way to do this without restarting computer each time? (close laptop but keep image on external monitor).

My 'wish' is to be able to hot switch without 'sleeping' the MBP as this interrupts backups and network drives etc.
You mean that you want to be able to go from clamshell mode to open MBP with its display in use? As far as I know this isn't really possible. I'm not at home at my external screen right now so I can't test for sure... but as far as I know as soon as you are in clamshell mode the internal display is deactivated. Have you tried opening it up while its in clamshell mode and then unplugging the display? Maybe if you open it while in clamshell mode, and select "Detect Displays" before unplugging the external screen, the MBP display will come back on. In my mind, this should cause the MBP display to come on, but I'm not sure and I'm not in a position to test it now unfortunately. When I get home I'll check it out for you and see what I can figure.
You're right though, the best solution right now may be to leave the MBP open, use the external display in "mirror" mode, and dim the display of the MBP down to nothing using F1/F2.
One more thing: When I started using external monitors and projectors, I did not use the menubar item for "Displays". But, I've since started using it and it really makes things much more simple for managing external displays. You can turn it on in System Prefs --> Displays. Then you can detect displays, adjust their resolution, and change the mirroring settings on the fly without System Preferences.
--Travis

Attaching external monitor resets laptop display scale

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