Compaq 315eu Maintenance and Service Guide - Compaq 100eu Small Form Factor, 1 - Page 196

Table 12-1 Numeric Codes and Text Messages (continued) Control panel message Description Hard disk failure is imminent. Please back up your hard disk and have it replaced! Press (or ) for Setup, to continue. Hard drive is about to fail. Warning: Changing setup options while resuming from Hibernate may cause your system to fail to resume. Warning message. Recommended action Back up data on the hard drive and replace the drive. No recommended action. Interpreting POST Diagnostic Audible Codes This section covers the audible codes that may occur before or during POST that do not necessarily have a text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching. NOTE: Recommended actions in the following table are listed in the order in which they should be performed. Not all audible codes are available on all models. Table 12-2 Diagnostic Audible Codes Beep Definition Possible Cause Recommended Action 1 short beep and 1 long beep followed by long pause Bad memory or memory configuration error. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. 1. Reseat DIMMs. 2. Ensure that the DIMMs are installed in the correct memory sockets. 3. Replace DIMMs one at a time to isolate the faulty module. 4. Replace third-party memory with HP memory. 5. Replace the system board. 186 Chapter 12 POST Error Messages