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djprescott | 07:45 Tue 30th Nov 2004 | Technology
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What does the message 'Communication port invalid' mean? 
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It means that whatever device you've connected to the older style serial (com) ports or parallel (lpt) port, the software is looking at the wrong port for it. Try plugging the device into another port of it's available. Also, internal modems frequently use COM4, maybe this has changed?

13:54 Wed 01st Dec 2004

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