Portege M780-10U frezees when using external LCD

Hello

I have a Toshiba Portege M780-10U running Windows 7 (x 32) SP1.
I've updated all the drivers for the display, BIOS, etc.

When I connect my Acer G235H laptop screen freezes after about 3 hours of operation.
Nothing is recorded anywhere, just a complete freeze that requires a hard reset. The fan for the CPU to full power, and then runs once the freeze occurs.

I'm not under any special graphics applications when it blocks just standard Office 2007 and IE8.
I've isolated the gel down for display using a HP L1906 monitor and had no gel for 2 days.

I tried the screen ACER G235H using VGA and HDMI, and I always get some freezes.

Does anyone have ideas how I can fix this problem?

Thank you

> I've isolated the gel down for display using a HP L1906 monitor and had no gel for 2 days.
For me it's really hard to believe that an external monitor may affect the functionality of the laptop, but it seems that your laptop freezes using only this special monitor (G235H).
Use of the HP L1906 monitor everything is ok. Is this good?

Hmm connect you the L1906 monitor to the same port as G235H?
There may be differences between the external resolutions?

Sorry mate, but it s really hard to tell what could bring it this maybe s a high temperature problem and perhaps its pure coincidence that freezes it cell phone using the external monitor.

Tags: Toshiba

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