I need help. I was trying to set up dual monitor on our church computer and messed it up. The computer monitor is now identified as monitor 2 and the video screen is identified as Monitor 1. The desktop of the pc now shows on the video screen. I know there is a keyboard shortcut, at least there was on a laptop I used several years ago. This is a desktop computer by emachines that I use at church.
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first ..for to work make sure you have the ge force driver installed for the video card ..and not just the automatically installed one from the windows.. than connect the monitor in the vga out for secondary monitor ..and get to the video card control panel ..in the windows control panel ..and enable the second monitor ..and set it as clone ..or in dual mode..which will not place the icons on it ..but will be an extension .. This can be set and enabled also if you run the nvidia desktop manager from the control panel ..and set it clone ..if you want the same thing displayed in the same time ..or extended to the second one..(dual ) which will have some options .. For the dual mode the good thing is that you can run separate applications in monitors..by opening them and drag them to the other monitor ..it will act like and extension of yours.. If you go to desktop properties.by click right on desktop ..and choose properties..than settings ..and in there monitor ..you can actually identify them and drag them to switch places to correspond to the actually position ..and after that the mouse will naturally get from one to the other if you point to .. The normal behavior will be that once a aplication opened and dragged to the second monitor ..when you make it ful screen should extend only in that one ..but some players will make trouble and only will get to full screen in the primary one ..To avoid that use the latest free BS player ..
Did you change the graphic card for the primary monitor? There could be a support between that graphic card and the monitor.
Did you check the power settings about monitor and disable any power saving plans?
I had dual monitor with color bleed to the right. The solution was
1) identify optimal resolution for both monitors ( Dell 198wfp @ 1400 x 900) and (Laptop @ 1200 x 800)2) check colour setting (32 bit or 16 bit)3) reduce colour setting down to 16 bit)4) Check performance5) reduce screen resolution 6) check7) cycle between screen color and screen resolution8) if no luck, check updating the drivers for graphic card9) if no luck, check updating monitor drivers10) if no luck, check altering memory set aside for graphics (onboard memory for example or off-graphics-chip-on-RAM-memory)11) Monitor checking software is very helpful : try "http://majorgeeks.com/download.php?id=22" for the Nokia Monitor Test (a CRT tester) or any other freeware/shareware testing program such as passmark's products etc.,
You might just have to suffer with a large workspace and mungy grapics performance though ... I am.
after connecting external monitor see on the bar click on the displays symbol the select extended desktop or multiple display then you can see but if no display then restart the computer and go to setup by pressing del key and disable internal monitor and enable external monitor then you can see dual display .windows98 and old versions does not support dual display windowsXP and lates versions support dual display
Check and see if your NVIDIA drivers are up to date. Then try changing the resolution on your laptop to match the native resolution on the monitor and see if it works. If it does then you will need to look for the option to set custom resolutions on each monitor so that you can have both devices working at diferent resolutions if 1 is wide screen and the other is not.
Let me know if this does not work and you need more help.
Have you tried to go in thru the control panel and select "display"? From here you can go to the screen saver section and adjust the time it takes for the screen to cut out. Of course you want to use a monitor that you can read before you set up both of your screens.. See if that helps....