118Dealing with Problems (Advanced)Your peripheral does not work z Make sure a driver is installed.z Contact the manufacturer of the product.z When operation resumes from the standby or hibernation mode, devices suchas a mouse, modem or PC Cards may not function properly. In such cases,you will need to restart your computer or reinitialize the individual devices.z When is displayed in the Device Manager, try removing and inserting thedevice once more. If the problem persists, restart the computer.z Depending on the device connected, the computer may not recognize when thedevice is connected or disconnected, or the device may not operate properly.Use the following procedure.Select the applied device in [start] - [Control Panel] - [Performance andMaintenance] - [System] - [Hardware] - [Device Manager], then remove thecheck mark for [Allow the computer to turn off this device to save power] in[Power Management]. (This item may be unavailable for some types ofdevices.)External mouse or trackball connectedto the external keyboard/mouseport of the port replicator does notworkÎ page 19A PC Card does not work z Make sure the card is properly inserted.z Confirm that the card conforms to the PC Card Standard.z Note that after a driver (PC Card driver on other) is installed, the computer mustbe restarted.z Check that the proper port settings have been made.z Read the operating instructions for the PC Card. Or, you may need to call themanufacturer of the PC Card.z Try removing/reinserting the PC Card by following the proper procedure.(Î page 60)z Confirm that a driver for your operating system has been installed. Connecting Peripherals