Acer AC100 Acer AC100 Service Guide - Page 81

System Diagnosis Hardware diagnostic program The purpose of the hardware diagnostic program is to check hardware problems. It executes simple tests of each hardware component to make sure the hardware is not the source of the problem. If hardware problems, such as a fan, LED board, hard disk drive, memory; are confirmed, the diagnostic program can detect the specific component causing the problem. The program needs to saved in a bootable USB device. To run the diagnostic program: 1. Turn off the system. 2. Prepare a bootable USB device by copying or downloading the "ANNIE.GHO" diagnostic utility to the USB device. The diagnostic utility may be obtained from the CD that came with the system. 3. Plug the bootable USB device to any USB port on the rear of the system. 4. Power on the system. The system status indicator blinks blue. 5. Immediately press and release the Recovery/reset button with the paper clip end. The system status indicator blinks red and immediately starts the diagnostic process: a. Onboard memory flash check b. HDD account check c. Memory size check (1024 or 2048 MB) d. Fan speed check e. CPU temperature check f. MB voltage check g. Backplane board temperature check h. PQAF system test i. PQAF memory test j. PQAF HDD test k. Read SN from DMI data check l. End test During the diagnostic process, the result of the test displays on the HDD status indicators. The indicator(s) blinks blue when the system has passed each diagnostic test and blinks red when an error condition occurs. After the system has completed the diagnostic procedure the HDD status indicators light purple. Test Items Boot from USB disk Onboard memory flash check HDD account check Memory size check Fan speed check CPU temperature check MB voltage check Test Items HDD 0 HDD LED status (normal) HDD 1 HDD 2 HDD 3 HDD LED status (normal) HDD 0 HDD LED status (failed) HDD 1 HDD 2 HDD 3 HDD LED status (failed) Chapter 6 75