Dual screen monitor - bad resolution options

I have a Dell Latitude E6420 running Windows 7 Professional 64 bit which I use to several jobs in various locations.  Most have a docking station connected to one or two screens (one VGA, one DVI).  I run dual screen as often as I can, so, even at a workstation with a single monitor, I use the screen as a second monitor.  I also give presentations from my laptop, usually via a VGA connection port of the laptop.

There is a special meeting room which has two screens plasma inside that depend on a VGA connection (must therefore always show the same performance and appear as the single monitor when connected to the laptop).  I use a lot this room.  Until recently, when I plugged it monitors would show an image full screen to ordinary resolution (800 x 600 or 1024 x 768).  I use these as secondary monitors, with my laptop as main screen.  I have check all monitor activity through the interface of the Intel HD 3000 graphics driver.  The pilot is the last available from Dell (9.17.10.3040).

However, now when I plug in this House, secondary monitors show an image in a hurry (abscissa) and the single resolution options offered by the pilot are 1366 x 768 and 4 x 3.  Yes, FOUR by THREE pixels.  None of these are the native resolution (which should be 1024 x 768).  Nothing I can will get monitors to display full-screen with good resolution.  My colleague, with (in theory) the same laptop has no problem.

There also seems to be some sort of cache or memory for monitor configurations.  Whenever I drop down to a workstation, Windows automatically configures the monitors in the way they were last time I was there (so with the monitors in the correct locations, resolutions, etc.).  Is it possible to reset this memory, so that I can start from scratch?

Hello

Please contact Microsoft Community. I imagine the inconvenience that you are experiencing right now. The issue you described can occur due to the incompatibility of the display drivers. So let me help you with that.

You did changes to the computer before the show?

I suggest you to follow the steps mentioned below and check if it helps:

Uninstall and reinstall the display driver

First download the display driver and save it to the computer. You can download the latest driver to display from the link below.

http://www.Dell.com/support/home/us/en/19/drivers/DriversDetails?driverId=XGPWM

Uninstall the display driver, then reinstall it. Follow the steps mentioned below to uninstall:

  1. Press Windows + R, type devmgmt.msc , and then click ok.
  2. Search now and do a right-click on the display driver , and then click Uninstall.

For your reference, you can check the links below.

Work and play better with multiple monitors

http://Windows.Microsoft.com/en-us/Windows7/work-and-play-better-with-multiple-monitors

Move windows between multiple monitors

http://Windows.Microsoft.com/en-us/Windows/move-Windows-between-multiple-monitors#1TC=Windows-7

Hope this information is useful. Please get back to us if you need further assistance.

 

 

Tags: Windows

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