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Why isn't my external monitor working?

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Last Modified: 2012-05-08
My Acer Aspire 7720G notebook with Windows 7 doesn't find the external monitor when it's plugged in to the parallel port, but it shows up right away on my husband's Dell, so it's working fine. Anyone know what I can do to resolve this?
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Josh ScovilleSystems Analyst

Commented:
Have you tried running the "Connect to a Projector" Tool in Windows 7 with the monitor plugged into your VGA port?

Author

Commented:
I tried that but nothing happened. I also went through the Windows troubleshooting process for hardware devices and they had me download 2 files. One was CIR. The other was something or other like infrared transceiver. Still didn't work.
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Author

Commented:
This seems like a good enough guess as to what's going on, although I can't verify it without having the parallel port on my notebook checked out by a technician, which I'm not going to do because of the expense.

Thanks for your help.
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Distinguished Expert 2019

Commented:
tx for the feedback !
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