Acer Aspire 5810T Acer Aspire 5810T / 5810TG Series Service Guide - Page 94

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 79. Hold and press the power switch for more than 4 seconds. System board See "Check the Battery Pack" on page 80. 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 Memory count (size) appears different from actual size. Action in Sequence 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 The system will not enter hibernation The system doesn't enter hibernation mode and four short beeps every minute. The system doesn't enter standby mode after closing the LCD Action in Sequence See "Save to Disk (S4)" on page 24. Keyboard (if control is from the keyboard) Hard disk drive System board Press Fn+o and see if the computer enters hibernation mode. Touchpad Keyboard Hard disk connection board Hard disk drive System board See "Save to Disk (S4)" on page 24. LCD cover switch System board 86 Chapter 4