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Windows Forum / Windows XP / Hardware / February 2006Can't see Com ports
2 part question: Why can't I see com ports listed in device manager? How can I keep a port open? I am using a primitive dial-up utiltiy to access some remote data. The utility can't open the com port - needs to be left open. Thanks!! 1. Enable them in the BIOS. 2. Don't let power management put them to sleep. > 2 part question: > [quoted text clipped - 5 lines] > > Thanks!! I think they are enabled as the com port in question is assigned to the modem which works fine for other applications, but I will double check the bios. This is my first maching with XP Media Center - I have no category in device manager for Ports (COM &LPT) like I have always seen - not sure if there is a place to enable this. Not sure if this may be all involved in firewall protection?? > 1. Enable them in the BIOS. > 2. Don't let power management put them to sleep. [quoted text clipped - 8 lines] > > > > Thanks!! Internal modem is "seen" as a COM port, which is not the same as a hardware COM port. If you are "transmitting" over the modem then you will need to establish a connection to remote modem. > I think they are enabled as the com port in question is assigned to the modem > which works fine for other applications, but I will double check the bios. [quoted text clipped - 16 lines] >>> >>>Thanks!! >2 part question: > [quoted text clipped - 5 lines] > >Thanks!! Are these COM ports directly on the motherboard, add-in cards or USB to Serial adapters? Have you check the computer's BIOS screen? The COM ports may be "disabled" in s section in the BIOS screens. -- --- Y. I'm assuming motherboard, but certain. The port in question is used by the internal modem. The modem dials out fine (for example if used by fax terminal, hyperterminal or winfax) but not for the program in question. I'm assuming these other programs are more sophisticated and open the port themselves?? > >2 part question: > > [quoted text clipped - 16 lines] > > Y. |
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