Acer Veriton 3000 Veriton 3000 Service Guide - Page 102

List of Error Symptoms NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/ FRU listed in the right column is the most likely cause. Error Symptom Action/FRU System / Power-saving functions NOTE: Ensure that the memory modules are installed properly and that the contact leads are clean before diagnosing any system problems. System fails to enter power saving mode when the Power Management Mode is set to Enabled and the power saving timer set in BIOS has elapsed. 1. Non-PnP/ACPI compatible operating system (e.g., DOS, Windows 95): Enter the BIOS Setup to enable the power saving mode and set the proper timing requirement. ACPI compatible operating system (e.g., Windows 98): Enable the power saving mode and set the proper timing requirements in the Power Management Properties of the Control Panel. 2. Reload the software from the Recovery CD. System hangs before system boot. 1. See the "List of error beeps for BIOS boot block flash" on page 70. System hangs after system boot. 1. Execute a system test and set it to "Halt on Error" to see the potential cause of the problem. 2. See the "List of error beeps for BIOS boot block flash" on page 70. Blinking cursor only; system does not work. 1. Diskette or hard disk drive connection/cable. 2. Diskette or hard disk drive. 3. See the "List of error beeps for BIOS boot block flash" on page 70. 4. Replace the main board. Processor / Processor fan NOTE: The processor fan runs while the system operates. NOTE: The processor clock should be correctly set to match its speed requirement before diagnosing any processor problems. Processor fan does not run but power supply fan runs. 1. Ensure that the system is not in power saving mode. See "Power management" in chapter 1. 2. With the system power on, measure the voltage of the processor fan connector. Its reading should be +12Vdc. 3. Main board. Processor test failed. 1. Make sure that the jumper setting for the processor frequency and voltage is correct. 2. Check the processor frequency settings in CMOS/ BIOS setup. 3. Make sure that the processor is inserted on the CPU slot correctly; reinsert the processor 4. Replace the processor. 5. Replace the main board. Memory NOTE: Ensure that the memory modules are installed properly and that the contact leads are clean before diagnosing any system problems. 70 Chapter 4