Acer Aspire 3935 Acer Aspire 3965 Series Service Guide - Page 74

Error Messages Check or do the following in sequence: Operating system not found  Run the BIOS Setup Utility to check if the fixed disk and drive A are properly identified.  Optical disc drive  Hard disk drive  Mainboard Power-on indicator turns off and LCD is blank.  Power source (battery pack and power adapter.) See "Power System Check" section on page 72.  Make sure all connectors are connected tightly and correctly.  Reinstall the DIMM.  Mainboard Power-on indicator turns on and LCD is blank.  Power source (battery pack and power adapter.) See "Power System Check" section on page 72.  Reconnect the LCD cable  Hard disk drive  LCD panel  Mainboard Power-on indicator turns on and LCD is blank. POST is visible when using an external CRT.  Reconnect the LCD cable.  LCD panel  Mainboard Power-on indicator turns on and a blinking cursor is during POST.  Make sure all connectors are connected tightly and correctly.  Mainboard Failure Fixed Disk  Reconnect the HDD connector.  Select "Load Setup Defaults" in the BIOS Setup Utility's Exit menu.  Hard disk drive  Mainboard No beep, power-on indicator turns off and LCD is blank.  Power source (battery pack and power adapter). See "Power System Check" on page 72  Make sure all connectors are connected tightly and correctly.  Reconnect the DIMM.  Mainboard No beep, power-on indicator turns on and LCD is blank.  Power source (battery pack and power adapter). See "Power System Check" on page 72  Reconnect the LCD cable.  Hard disk drive  LCD cable  LCD panel  Mainboard No beep, power-on indicator turns on and  Reconnect the LCD cable. LCD is blank. But you can see POST on an  LCD panel external CRT.  Mainboard No beep, power-on indicator turns on and a  Make sure all connectors are connected tightly and correctly. blinking cursor shown on LCD during POST.  Mainboard No beep during POST but system runs correctly.  Speaker  Mainboard 66 Acer Aspire 3935 Service Guide