Lenovo Notebook Computer User Guide
4.2.5A peripheral device or an electronic device can not work when it is connected to the computer.
zSee if the cable between the device and the computer is well connected.
zSee if the device is turned on and in a normal working status.
zRead the user guide of the device and configure it and your computer in compliance with the requirements in the guide.
zSee if the computer port connected with the electronic device is disabled in BIOS.
zSee if the port configuration and electric standard meets the requirements of the device or is compatible with it.
zSee if the device can work normally when it is connected with other portable computers.
zSee if the device of other model can work normally when it is connected with you portable computer. If the methods above mentioned do not work, contact Lenovo licensed service agencies.
4.2.6You can not dial‐up with the computer.
zSee if the telephone line is well connected to the Modem port on the computer.
zSee if you have hung up your telephone and extensions.
zIf you are using ISDN, see if the ISDN devices are working well.
zSee if your telephone line is working well and can dial an outside number.
zIf you are using an extension line in a hotel or other places, see if it supports dial‐up Internet access service.
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