Acer Extensa 5230 TravelMate 5330 and Extensa 5230/5630Z Service Guide - Page 126

Power-Related Symptoms Symptom / Error The system doesn't power-off. Battery can't be charged Action in Sequence Power source (battery pack and power adapter). See "Power System Check" on page 103. Hold and press the power switch for more than 4 seconds. System board See "Check the Battery Pack" on page 105. Battery pack System board PCMCIA-Related Symptoms Symptom / Error System cannot detect the PC Card (PCMCIA) PCMCIA slot pin is damaged. Action in Sequence PCMCIA slot assembly System board PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Action in Sequence Memory count (size) appears different from actual size. Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound comes from the computer. Internal speakers make noise or emit no sound. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Sequence The system will not enter hibernation See "Save to Disk (S4)" on page 34. Keyboard (if control is from the keyboard) Hard disk drive The system doesn't enter hibernation mode and four short beeps every minute. System board Press Fn+o and see if the computer enters hibernation mode. Touchpad Keyboard Hard disk connection board Hard disk drive System board The system doesn't enter standby mode after closing the LCD See "Save to Disk (S4)" on page 34. LCD cover switch System board 120 Chapter 4