Dell bpcwcsn_5 User's Guide - Page 316

Fan Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer. C H E C K T H E C A B L E C O N N E C T I O N S - Ensure that the card fan cable is connected firmly to the card fan connector on the system board (see "System Board Components" on page 28 for mini tower computers, and "System Board Components" on page 102 for desktop computers). Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. The computer does not start up C H E C K T H E D I A G N O S T I C L I G H T S - See "Diagnostic Lights" on page 330. ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET The computer stops responding NOTICE: You might lose data if you are unable to perform an operating system shutdown. TU R N T H E C O M PU TE R O F F - If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer. 316 Solving Problems