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Com 5 modem problem

By dzone ·
I installed a 3Com U.S. Robtics modem in a Pentium III 500 MHZ computer. The modem dials but it make itself Com 5. I tried to go into the BIOS but I don't see anyway to change it. Has anyone heared of this problem before?

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Com 5 modem problem

by J. Bradford Tom In reply to Com 5 modem problem

This is a typical problem with many modem products. You have not mentioned the operating system, and the fix is somewhat different for each. I will assume Win98.
If you check under the Ports icon in Device Manager, you will, probably, see COM1 and COM2 listed. More than likely, you are not using COM2. Check your BIOS configuration under Peripherals. There should be a choice for disabling com port 2 (or B on some systems). If the setting is there, disable it. When you reboot, COM2 should be gone from under Ports, and the modem should reconfigure to COM2.
If you cannot disable COM2 in the BIOS, then disable it in Device Manager. This should free the resources COM2 was using.
Sometimes the modem will not reconfigure automatically, and you will need to set the configuration manually in Device Manager.
Some modems have a com port selection utility built into their software. Check this under the Modem icon in Device Manager.
Feel free to contact me if you need more specific information.

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Com 5 modem problem

by dzone In reply to Com 5 modem problem

The question was auto-closed by TechRepublic

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Com 5 modem problem

by NetTek In reply to Com 5 modem problem

I have seen this problem before. It is especially troublesome if you are using AOL or some other application that only looks for modems on Com 1-4.

Check for README files, or other txt based information files, on the 3Com CD-ROM. There should bea text file that will tell you where to find a program on the CD that you can run that will allow you to manually choose an available Com port in the range of 1-4. Good luck.

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Com 5 modem problem

by dzone In reply to Com 5 modem problem

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Com 5 modem problem

by tongweixing In reply to Com 5 modem problem

Double click my computer on desktop-control pannel-HSP modem-then you will see if your com2 is free, it will be black, then you could double click it to change to this port.

That is what I did before.

Good luck.

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Com 5 modem problem

by dzone In reply to Com 5 modem problem

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Com 5 modem problem

by IT_Cowboy In reply to Com 5 modem problem

I had the same problem with an internal modem. Once I located the correct drivers (that can be a feat in itself), the modem configured itself to COM3 (instead of COM5) and works fine. I had additional problems though, ie: it knew a device was there, but did not know it was a modem, it came up as PCI Communications Device. I tried to force the old drivers on it but no luck (at that point I was under the impression that the drivers I had were correct and current).
I found a site (sorry, no reference to it any more) that also mentioned that when removing such a device (PCI modems), to do it through 'Add/Remove Programs' in Control Panel, rather than just deleting the entry from the device manager. This cleans up the registry.

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Com 5 modem problem

by dzone In reply to Com 5 modem problem

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Com 5 modem problem

by dzone In reply to Com 5 modem problem

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