Acer 4315 manual Power-Related Symptoms, Symptom / Error, Check or do the following in sequence

Power-Related Symptoms

Symptom / Error	Check or do the following in sequence
The system doesn’t power-off.	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
Battery can’t be charged	See “Check the Battery Pack” on page 89.
	Battery pack
	Mainboard
PCMCIA-Related Symptoms
Symptom / Error	Check or do the following in sequence
System cannot detect the PC Card	PCMCIA slot assembly
(PCMCIA)	Mainboard
PCMCIA slot pin is damaged.	PCMCIA slot assembly
Memory-Related Symptoms
Symptom / Error	Check or do the following in sequence
Memory count (size) appears different from	Run “Load Setup Defaults” in BIOS Setup Utility, then reboot
actual size.	system.
	DIMM
	Mainboard
Speaker-Related Symptoms
Symptom / Error	Check or do the following in sequence
In Windows, multimedia programs, no	Audio driver
sound comes from the computer.	Speaker
	Mainboard
Internal speakers make noise or emit no	Speaker
sound.	Mainboard
Power Management-Related Symptoms
Symptom / Error	Check or do the following 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
	Mainboard
The system doesn't enter hibernation mode	Press Fn+o and see if the computer enters hibernation
and four short beeps every minute.	mode.
	Touchpad
	Keyboard
	Hard disk connection board
	Hard disk drive
	Mainboard
The system doesn’t enter standby mode	See “Save to Disk (S4) on page 34.
after closing the LCD	Mainboard

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