2 External Monitors - USB to VGA

Hi all,
So i've just bought the new 21" iMac and I'm trying to connect up my 2x external dell monitors. The 2 monitors only support VGA.
Where this specific iMac only has 1x thunderbolt port, I can only make use of 1 mini-dvi to vga connector. I need to connect up the second monitor presumably by using a USB to VGA adapter. The USB to VGA adapter I just purchased isn't compatible with mac!
Could anyone please recommend a USB to VGA adapter that's compatible with Mac please??
Much appreciated,
Jamie.

Matrox makes some 2 and 3 screen adapters:
http://www.matrox.com/
Mind you depending on your GPU, you may get significant slow down in rendering. But at least you can setup your system with whatever layout you desire. Make sure the adapter you get is Thunderbolt compatible.

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I have connected my new Macbook Air to my existing Samsung large external monitor with a VGA adaptor but I can't get the full mac desktop to display. No icons but then websites are coming up. Help!

I have connected my new Macbook Air to my existing Samsung large external monitor with a VGA adaptor but I can't get the full mac desktop to display. No icons but then websites are coming up. Help! Further info: I am a complete newbie to Mac. Had three macs prior to 2000 then four PCs. Just come back and struggling a bit with the unfamiliarity. On my old PC laptop I could simply switch from the laptop screen to the large external monitor (and back) with the F4 function key. While I can get the background image from my MBA to display, that's it. Until I noticed on the far left of the external monitor, the very edge of one of the web pages I was on. So Idragged it over to display in the centre. But that's all that's there. And now I have gone out of those web pages but they are still displaying on the monitor. There is some wierd disconnect. I'm sure it is just a setting thing. Will keep searching for answer but any advice welcome!

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,
Let me know if this worked for you.

T500 XP 32 - 2 external monitors - one in VGA-out & one in DisplayPort ? (1920x1080 & 1280x1024)

I searched and found some information... but the information wasn't specifically clear, so better to find out for sure, and help archive some clear information for the community...
I'm looking at attaching 2 external LCD monitors to my T500 (2082-3HU). OS is XP 32bit.
One will be a 19" 1280x1024,    and the other will be a 27" 1920x1080.
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First.. will this work?
Second.. which is better to attach to which port? (and why?
and
Third.. what are the maximum resolutions that the VGA and DIsplayport ports can provide?   Does it matter if it's VGA or DVI?
I was going to get a USB to video adapter for $50+, and then remembered the DisplayPort!    If it will work, it's a great way to save some money, get much better video res. and speed, and keep a USB port free.

Here are two posts I found ... (they appeared out of no-where)
you can connect two external WUXGA (1920x1200) monitors to the T500 using both the VGA and displayport connectors.   no other hardware is needed besides the display cables.
http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/Can-I-connect-Dual-External-screens-to-T500...
I connected 2 external monitors (1 thru Displayport , 1 thru VGA port ), and it works fine, its very easy to configure it using Lenovo Presentation utility.
But now I have the view only on those 2 external monitors (notebook display is off)
http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T500-with-2-more-displays-thru-Displayport-...
and for any more monitors, a USB-VGA, or USB-DVI adapter can be used... from lenovo, or EVGA or any other good type.
DisplayPort can support, at least, 2500x1600
http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/Can-T410-w-built-in-Graphics-support-the-De...
use a Lenovo usb2dvi converter and the displayport to dvi converter.
This will allow you to use 2 external WUXGA monitor. If you need to support more WUXGA monitors, then you just need to get more Lenovo usb2dvi converter, up to a maximum of 6 (maybe slightly less i can't remember) using the integrated gpu.
http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T500-DisplayPort-to-Dual-Link-DVI-Adapter/t...

Satellite P750 - Shutdown issue after removal of external monitor USB 3 hub

Have operated my Satellite P750 laptop with external DeII monitor for a year or more now.
Monitor has a Usb 3 hub. (i have some ext HDD plugged into these. So far no issues. I unplugged the monitor usb hub from laptop (to create wndows image backup straight through the sole usb3 port on laptop.
After this finished i found that i was unable to shutdown or restart laptop. It gets to the light blue 'shutting down' screen; HDD light flashes for 5/10 secs then it stops accessing disk with power still on and stuck at blue shutdown screen; laptop even sounds like it shuts down.
Two things, i can hold down power button till hard stop, then press again to restart, and all is fine; no error messages when win 7 start up again. Or i have once just left it sitting without holding power button- it seemed to be like this for about 4 hours (monitor went to standby cause idle) before powers down.. When i start laptop after this i get windows warning failed to shut down properly.
It took me a while to work out which device was causing the issue; but can now replicate any time.
So - unplug monitor usb hub from laptop; laptop fails to shut down/restart.
Replug DeII usb hub back to laptop; no problem laptop back to normal shut down.
Any ideas??? (this means whenever i go portable with laptop i have to hard shut down/ hold power key to turn it off????)

To be honest I dont know why the system cannot shut down properly without connected USB monitor hub but system shut down issues are mostly related to some processes which are running in the background.
Sometimes such processes are locked and could not be closed due to different reasons. This may prevent the system from shut down
Maybe this is the case
Try to clean the system as well as the registry using CCleaner (its freeware tool).
You should also check what processes are running in the background maybe one of this processes is related to the hub which cause your shut down problem

External monitor USB connected NOT HDMI - xperia neo

Could anybody share details of external monitor tried with usb with xperia neo?
I have seen some monitors like AOS e1649Fwu which can connect with USB.
I don't have any HDMI ported monitor.
Also I want to use USB OTG capability to connect external devices. I was able to access mouse and keyboard.
If anybody able to access other devices like pen drive etc.. please share the steps how you have achieved with xperia neo.
All these queries are for "xperia neo" only"

As I understand this requires root access.
I will therefore move this tread to the correct forum.
- Community Manager Sony Xperia Support Forum
If you're new to our forums make sure that you have read our Discussion guidelines.
If you want to get in touch with the local support team for your country please visit our contact page.

MBP + external monitor + USB mouse + iTunes = lag

Hello, I am wondering if any of you can offer a solution to my problem. When I use my mac with my external monitor and external mouse, there is a systemwide lag every 3 seconds - the display sort of pauses, briefly interrupting mouse input and video playback. When deleting a long line of text it is again apparent.
It is not the mouse, as I have tried 3 different mice with the up to date drivers and they all work fine while itunes is not open and when using the laptop's screen, which also eliminates the variable of a poor mouse surface (it is good regardless).
There is no skipping when using the laptop's screen, regardless of itunes being open or not. Also, there is no skipping at all when I boot into windows and use it with the external display.
The skipping also occurs when video is being played back via Quicktime, with iTunes closed. The same video played with VLC does not cause the issue.
I have the computer hooked up to a Samsung SyncMaster 2494HM LCD, via the apple mini DP to DVI adapter, and with a DVI-HDMI cable (this decreased the issue from when it was connected with DVI and skipped all the time).
I have tried a different user account, and the problem persists there too. I have reset my PRAM and NVRAM also.
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bump?

External monitor & USB.

Hi
Just got my 24" Samsung Sync master set up with apple keyboard & usb mouse. Just wondering if it's possible to use a usb connection somehow with the monitor - my dream set up is plug one usb hub with everything connected to it, to the mac book pro, & be sailing. I know it's a little thing, but it is a faff to have to plug two different things in - & remember to take the adaptor when out & about so I can use a projector.
(maybe I should just live with the faff!)
Thanks!

(maybe I should just live with the faff!)
Yes.

Hp dv6 1355dx laptop - how do I connect 2 external monitors?

I have a HP dv6 1355dx laptop Entertainment PC. How do I connect 2 external monitors (both have VGA cables) and neither one has HDMI connectors. My laptop has only 1 VGA connector, so I can display my laptop video and 1 of the external monitors.
Any help would get greatly appreciated. I am even willing to buy a docking station or port replicator.

Hi,
Docking station or port replicator won't solve the problem because of your internal graphics card. You need something which is similar to the following products:
http://www.matrox.com/graphics/en/products/gxm/
or USB to 2 VGA monitors but very hard to find (normally you can only get 1 VGA and 1 other, not both VGA's).
Regards.
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

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Hi there,
My external monitor quivers when connected to my new Lenovo ThinkPad L440. I does not do it when connected to my 4 year old Acer laptop, is seems perfectly fine there. In both cases connected with the same VGA cable.
It's a constant, tiny flickering, as if every pixel jumps left and right all the time. The external monitor is pretty old, approx 8 years...
Any idea what it could be?
Solved!
Go to Solution.

Are you using a ThinkPad Basic Dock in this configuration? There is a new update available that resolves flickering or black screen on external monitors for the Dock.
See this solution: http://forums.lenovo.com/t5/R-L-Series-ThinkPad-Laptops/L440-L540-External-Monitor-Connected-Via-VGA...
Amy Tupper
Technical Resolution Lead, Pervasive Issues
Lenovo US
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First computer was a 1980 Commodore 64 from Radio Shack/ GEnie SFRT member from 1993-1996

Viewing ipad1 on external monitor

Hi,
I realize I cannot "mirror" everything I see on my ipad1 on an external monitor. I'm able to view videos on my external monitor using my VGA adapter, but the video is not displayed on my ipad at the same time. Is this possible for videos?
Thanks!
~Frank

Different devices you're using. The VGA is for the basic normal projector, while the HDMI is primarily on HD TV sets. I'm sure there are some HDMI projectors out there, but the vast majority are VGA. (One of the funnier moments of the iPad2 keynote was Jobs describing all the teachers mirroring on the flat screen TV's in their classrooms - since then I've gone to a number of educational technology conferences and meetings, and have yet to find a teacher with a flatscreen instead of a VGA projector ).
I believe the VGA can't output the full HD image, while of course the HDMI can.

Output iPad video to 27" iMac as an external monitor?

Hi, I was wondering is it possible to Output iPad video to 27" iMac as an external monitor using iPad VGA adaptor?
Thx.

You'd need something to redirect the VGA signal to a DisplayPort connector on the iMac. Your other option is VGA is easily adaptable to S-Video, though its resolution is not as great as VGA and using http://www.elgato.com/ 's hardware for that. A third one is using a Remote Desktop app for the iPad. Several exist.

Can't see post on a Presario CQ56-219WM while using an external monitor

I can't see any post info on a Presario CQ56-219WM while using an external monitor. The built-in monitor has been broken for some time and I've been using an external monitor via the vga port. Recently I had an issue with Windows and must now perform a system recovery. Whereas the built-in monitor does light up there is no portion that is viewable. It's damaged in a way that has everything totally distorted. I disconnected it hoping that the system would reroute directly to the external but unfortunately it didn't. I'm confident that my tinkering inside the laptop wasn't a factor since prior to disassembly the external monitor was never active until the system booted into Windows, plus I can reconnect the built-in monitor and it still lights up just as it did before.
Is there any known keystrokes to activate the external during post?...other than the F4 key

Hello Kerdomrikman,
Welcome to the HP Forums.
In regards to your question on known keystrokes to activate external during post, there aren't any. The graphics won't switch to external until after the post.
What you can try, if your able to veiw the BIOS on the external you can run diagnostics from there.
I hope this answers your question. Thank you for posting on the HP Forums.
I worked on behalf of HP.

T500 with External Monitor Seems to Be in 8 bit Color

I got a T500 for work running Windows 7 x64. I hooked up the computer to an external monitor via the VGA port (I've connected directly to the laptop and also through the Thinkpad dock).
Despite my best efforts the external monitor seems to render in 8 bit color mode (or maybe 16 but definitely not 32 bit). You can tell by lack of color in the gradients. Things I've tried.
Updating the video drivers
Using the IBM monitor tool to set it to 32 bit
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Just to close the loop on this, I've determined that the cause of my issue is the Intel Dynamic Platform and Thermal Framework software/driver. I've disabled in the BIOS for now, and the machine is working very well. Will look for an update from Lenovo to address more definitively.

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Pls ignore this post - turned out to be a connection problem. Operator senior moment!

Windows 7 dvi external monitor

Hey,
I have a Lenovo T500 (ATI Mobility HD 3650 graphics) which I recently updated to Windows 7. I have been using it on an external monitor connected through a dvi cable. However, today I updated my drivers and bios, and now the laptop no longer even detects the monitor. What can I do to remedy this situation. Any and all advice is greatly appreciated.

I thought it was supposed to support 4 LCD's, including its own, but mine tells me it can't run more than two. What do I need to change to get it to run another LCD? Mine has the NVIDIA Quadro NVS 4200M adaptor. In the NVIDIA control panel, it shows me the three monitors (x2 24" LCDs and the T520's own display), with the two big ones checked. If I try to put a check mark beside a third monitor, a popup window opens, which says, "This GPU supports up to two displays."
If I connect using displayport would that matter? Hopefully not, because both of my external monitors only have VGA and DVI-D.
I don't care what display it uses on startup, as long as it gets to use all three displays once Windows is up and running. I'm not sure from your comment whether you meant it will never use both DVI monitors with the internal LCD, or just that it will not use them during startup.
Thanks for taking the time to discuss this with me. It is very helpful.

2 External Monitors - USB to VGA

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