What should I do if I can't use the built-in modem card?

1. Click "My computer → control Panel → Device Manager → Modem" with the mouse to see if there is a yellow exclamation or question mark. If it does, check its resource footprint until it is adjusted to a resource-free conflict with another device. Some built-in modem card may not be able to modify resource occupancy, this is generally with the manufacturer in the card set up a jumper relationship, you just follow the instructions on the setting of the card on the jumper after adjusting the resource consumption can be.

2. If still can not solve, you can first board on the motherboard in addition to the display card and modem cards are unplugged, to observe whether the modem card can be used. If you can use, please shut down the other card after adding a piece, and then boot check the modem is available. Until the modem can not be used, indicating that this card and the modem conflict, using the above method will be conflicting with the modem hardware resource consumption adjusted to other values can be.

3. No longer, you can also use the following methods: "My computer → control Panel → Device Manager" in the first copy of the COM2 occupied by the system resources of the values, and then restart the computer to enter the BIOS, prohibit the "BIOS Setup" in the COM2 port. Then enter the operating system, under "Device Manager" → "Modem" manually set the modem resources to COM2 occupy the value of the system resources. Because COM2 is prohibited, other devices will not conflict with the modem.