1 Desktop w/ 1 LCD monitor
1 Laptop - Want to extend the laptop desktop to the LCD monitor to drag windows but still able to switch back to desktop display when needed.
Monitor has DVI and VGA inputs.
I have Desktop using VGA and Laptop using DVI. I'm able to get it working properly and switch from the desktop being displayed then to the laptop desktop extension using the monitors Digital / Analog input in the menu system.
The problem is the Digital Input (extension of the laptop) stops working after ~5-10 minutes and switches to analog (desktop). Then I'm unable to switch back to digital without rebooting the laptop. The laptop V-card is Radeon X600. I've tried changing out the DVI cable. Tried unplugging the VGA after the LCD monitor has switched off the Digital and only Analog is working. Then plugged back in the DVI and it still says no connection or no input and going to sleep with only the DVI connected from Laptop.
Is the V-card overheating?
Monitor inputs bad?
CPU not able to handle?
Not configured properly (I'm using windows settings to configure as I was not able to find software from ATI)?
Do you think a VGA switch with both computer going in and 1 output to the lcd would work? Or would I have the same problem? Or would the laptop not display on it's LCD screen when the VGA switch is set to the external LCD screen?
Tried all of those things and the problem continued. Tried drivers from manufacturer, presentation mode, no power saving options, etc. Co-worker just went ahead and got a VGA switch and that works great
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