eMachines D620 Service Guide - Page 89

Power-Related Symptoms Symptom / Error The system doesn't power-off. Battery can't be charged Check or do the following in sequence • Power source (battery pack and power adapter). See "Power System Check" on page 89. • Hold and press the power switch for more than 4 seconds. • Mainboard • See "Check the Battery Pack" on page 89. • Battery pack • Mainboard PCMCIA-Related Symptoms Symptom / Error System cannot detect the PC Card (PCMCIA) PCMCIA slot pin is damaged. Check or do the following in sequence • PCMCIA slot assembly • Mainboard PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Memory count (size) appears different from • actual size. • • Check or do the following in sequence Run "Load Setup Defaults" in BIOS Setup Utility, then reboot system. DIMM Mainboard Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound comes from the computer. Internal speakers make noise or emit no sound. Check or do the following in sequence • Audio driver • Speaker • Mainboard • Speaker • Mainboard 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 • The system doesn't resume from • hibernation mode. • • Check or do the following in sequence Keyboard (if control is from the keyboard) Hard disk drive Mainboard Press Fn+o and see if the computer enters hibernation mode. Touchpad Keyboard Hard disk connection board Hard disk drive Mainboard LCD cover switch Mainboard Hard disk connection board Hard disk drive Mainboard Chapter 4 99