Toshiba Portege R500 - external display display problem

At my work, we have a number of series laptops Toshiba Portege R500. All laptops are home in a Toshiba Slim Port Replicator II. Laptops are all running a version of Windows XP Professional with Service Pack 2 applied (and of course a few customization business).

The problem is with the display on the external monitor. The laptop starts according to the normal and connects to the fine. The Fn + F5 key and so we can switch between the external LCD screen and the laptop monitor. We can also extend the desktop on the external monitor without problem.

The problem is that when the disconnection of the laptop computer to the port replicator, when the laptop is brought back, the display of the external monitor does not display anything. The monitor receives a signal that we don't get errors about "cable disconnected" etc. By bike by Fn + F5, the monitor will go to sleep (as the adjustment is only to be on the laptop screen). By pressing Fn + F5 again, the monitor seems to wake up but there is no display on the external monitor.

The only resolution we have found because so far, it's to stop & restart the laptop and the external screen works again. However detach and the problem occurs again.

Thought this might be a driver problem or a problem of Toshiba Utilities, so have updated the drivers accordingly. The drivers installed by default are the Intel 945 Express 6.14.10.4837 driver version. I tried to update the drivers for the next version (using drivers from the Web from Toshiba site) and changes to the version of the driver 6.14.10.4631. I also tried the Intel driver version 14324.

I also installed the Toshiba screen utilities and shortcut keys to see if this may have an effect, but unfortunately not. I also tried to change the BIOS settings for the display of 'Automatic Selection' to LCD + CRT RGB, and once again it has no effect. I also tried several configurations in the "display settings" does not.

Is this just a design problem? Is anyway to fix that?

Hello

I Portege R500 in front of me with the same port replicator and 21 "Toshiba TFT display (connected to the DVI port on the Port Replicator).

Please open "Toshiba Mobile Extension" utility (you can find it in Control Panel), then click on the second tab > change of display service.
If please activate this service and choose your preferred display output.

I tested it 10 minutes ago and it works perfectly.

Good bye

Tags: Toshiba

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