Troubleshooting 8-3Solving Common ProblemsFor easy reference, the problems are divided into these categories.Problem Type Go toBattery Problems P. 8-4Bluetooth Wireless Transmission Problems P. 8-4Display Problems P. 8-5ExpressCard Problems P. 8-6Hardware Device Problems P. 8-6Hard Disk Drive Problems P. 8-7Keyboard, Mouse, and Touchpad Problems P. 8-7LAN Problems P. 8-8WLAN Problems P. 8-8Modem Problems P. 8-8Optical Drive Problems P. 8-10PC Card Problems P. 8-10Power Management Problems P. 8-10Software Problems P. 8-12Sound Problems P. 8-13Startup Problems P. 8-14Other Problems P. 8-14