Acer AR320 F2 Acer AR320 F2 Server Service Guide - Page 79

Hard disk drive has write error. Hard disk drive LED fails to light, but system operates normally. 1. Enter BIOS Setup and Load default settings. 2. Hard disk drive. 1. With the system power on, measure the voltage of hard disk LED connector. 2. Hard drive LED cable. CD/DVD-ROM Drive NOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and its laser beam is clean before diagnosing any CD/DVD-ROM drive problems. CD/DVD-ROM drive LED doesn't come on but works normally. 1. CD/DVD-ROM drive CD/DVD-ROM drive LED flashes for more than 30 seconds before LED shutting off. Software asks to reinstall disc. Software displays a reading CD/DVD error. 1. CD/DVD-ROM may have dirt or foreign material on it. Check with a known good disc. 2. CD/DVD-ROM is not inserted properly. 3. CD/DVD-ROM is damaged. CD/DVD-ROM drive cannot load or eject when the system is turned on and its eject button is pressed and held. CD/DVD-ROM drive does not read and there are no messages are displayed. 1. Disconnect all cables from CD/DVD-ROM drive except power cable, then press eject button to try to unload the disk. 2. CD/DVD-ROM drive power. 3. CD/DVD-ROM drive 1. CD may have dirt or foreign material on it. Check with a known good disc. 2. Ensure the CD/DVD-ROM driver is installed properly. 3. CD/DVD-ROM drive. CD/DVD-ROM drive can play audio CD but no sound output. 1. Ensure the headphone jack of the CD/DVD-ROM has an output. 2. Turn up the sound volume. 3. Speaker power/connection/cable. 4. CD/DVD-ROM drive. Video memory test failed. Video adapter failed. Display problem: - Incorrect colors No high intensity Missing, broken, or incorrect characters Blank monitor (dark) Blank monitor (bright) Distorted image Unreadable monitor Other monitor problems Display changing colors. Display problem not listed above (including blank or illegible monitor). Video and Monitor 1. Remove all non-factory-installed cards. 2. Load default settings (if screen is readable). 3. Main board. 1. Monitor signal connection/cable. 2. Monitor 3. Video adapter card 4. Main board 1. Monitor signal connection/cable 2. Monitor 3. Main board 1. "Monitor" 2. Load default settings (if screen is readable). 75