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Laptop External Display Problem

By ZombieBot ·
Hello,

One of my users is trying to use a Fujitso Amilo laptop with a Dell 1905fp monitor.

The laptop uses an Intel 82852/82855 Graphics controller.

I have updated the laptop with the latest drivers for the monitor and the graphics controller.

When we try to change the display output from the laptop to either (notebook + monitor) or just (monitor) then the monitor remains blank (although it does 'wake up' (ie the orange power led becomes green). Also, whilst working with the laptop, the monitor will occasionally and very briefly display the laptop screen correctly.

I have checked the connections are secure and even used a different monitor cable. The monitor works fine with a desktop PC I tested with it, and the laptop works fine with an alternative monitor (although it was a different model).

The monitor is connected with a standard HD15 VGA connector.

Has anyone got any ideas as to what is causing the problem?

Thakns

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by cmiller5400 In reply to Laptop External Display P ...

Just a quick thought, do you use a FN key to switch? I know on the IBM's we use that you need to press Fn and then either F7 or f8 to get it to show on the external port.

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by HAL 9000 Moderator In reply to Laptop External Display P ...

Some Monitor adaptors on NB's also display external Monitors as Extensions of the desktop so you could be seeing the right thing as there is nothing on the Desktop. Have you tried looking in Display Proprieties to see what is happening there?

Col

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by ZombieBot In reply to Laptop External Display P ...

cm5400 and Col, thanks for your comments. There is a Fn key combination (fn+F4 I think) that I used to cycle through display output settings. I also used the windows display properties and the configuration software for the Intel Graphics Controller to check the display settings. I have tried both extending the desktop and changing primary display output and still get no joy.
I've a feeling that it may be something to do with the monitor (perhaps for some reason its expecting digital instead of analog input) - although I'm not at the site again until tomorrow. I will post more info then if anything works out.

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by HAL 9000 Moderator In reply to Laptop External Display P ...

You could be right about the Monitor being Incompatible with that NB although I don't think that it's anything to do with he signal that is being put out by the NB but just a basic incompatibility between the Display Adaptor and Monitor.

This was something that we used to see quite a lot of in the Old DOS Days and not something that has been a common problem recently but from your description it sounds like that is what is happening here.

Col

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