Troubleshooting 8-7LAN ProblemsI cannot access the network.z Make sure that the LAN cable is properly connected to the RJ-45connector and the network hub.z Make sure that the network configuration is appropriate.z Make sure that the user name or password is correct.Modem ProblemsThe modem does not work.z Make sure that the telephone line is properly connected.z Make sure that the COM port in the communication software is correctlyset.z Turn off power management.DVD Drive ProblemsThe DVD drive cannot read a disc.z Make sure that the disc is correctly seated in the tray, with the labelfacing up.z Make sure that the disc is not dirty. Clean the disc with a disc cleaningkit, available in most computer stores.z Make sure that the computer supports the disc or the files contained.You cannot eject a disc.The disc is not properly seated in the drive. Manually release the discfollowing the method described next:1. Turn off the computer.2. Open the media bay cover by sliding the release latch towards the left.