~ Prompt for the type of the system: [1] Server [2] Workstation [3] Laptop [4] Embedded * The computer does not start at all (no power at all). 1/ Check power. 2/ [1,2,3] Check cables. 3/ [3,4] Check battery. => [1,2] Power. => [3,4] Battery and adapter. * The computer starts but nothing displayed on the screen (e.g. the BIOS splash screen is not displayed). 1/ [1,2,3] Check cables. 2/ [1,2,3] Check BIOS beeps. * The operating system does not boot (e.g. the graphic or console login prompt is not displayed). 1/ Check the bootloader menu is shown. 2/ Check the kernel starts. * [2,3,4] Expected a graphical login manager and only the console mode is displayed. 1/ Check the messages in the console. 2/ [2,3] Check the login manager logs. * Network problem. 1a/ [2,3,4] Wireless. 1) Associated. 2) Link quality. 1b/ Cable. 1) Check cable. 2) mii-tool. 2/ Gateway reply. 3/ Ping an IP address ([1net,2,3,4]: external, [1lan]: ping lan IP address) 4/ Ping an address name ([1net,2,3,4]: external, [1lan]: internal). * Software crash. 1/ Gravity. 2/ Check the existing bug reports.