dell inspiron 1545 wont work on external moni

May 12, 2011 at 03:27:05
Specs: Windows Vista, 4g

My inspiron 1545 screen broke and i was using an external dell monitor for 12 months all was ok until i had to reinstall vista and now my monitor will only run in vga mode. If i install the intel mobile 4 driver from the drivers disk then it will only show until it starts up windows then black screen. P>S> before it was reinstalled i had a box in middle of screen for 12 months saying something like gui intel mobile or similar i used to click this and monitor was fine.

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May 12, 2011 at 03:35:49

You should be able to extend your display by pressing the Fn key and a key which looks like two monitors, one infront of the other. If you press these keys together then your display should extand to your external monitor.

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May 12, 2011 at 04:46:04

Well thanks but i can only find the fn key not the other can you tell me where it is the key like 2 monitors thanks again

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May 12, 2011 at 04:58:56

If this is your keyboard then you will need to press the Fn key and the F1 key together. Hold down Fn and tap F1.

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May 12, 2011 at 05:12:09

Hi thanks for your quick response i tried fn key and f1 key but no joy i am using an external dell monitor and no dell pannel on laptop as its damaged now if i allow the gm45 display driver to run i get a black screen but if i change to vga my monitor works its as if any external monitor will not work if i use the gm45 intel

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September 24, 2011 at 17:02:17

The problem you describe is very common - - Dell 1545 does not display on external monitor when the laptop screen is broken. I have never found a solution for this though it would be very helpful to diagnose other problems.

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