Standby/resume

		Repair Center:	Repair Center:
Symptom	Call Center: Suggestions	Likely Causes	Comments
No power	Make sure charged battery is	AC adapter
	installed or AC adapter	Battery
	connected.	Battery
	connected.	Motherboard
	Try another battery or	Motherboard
	Try another battery or
	AC adapter if available.
Battery does not	Make sure AC adapter has	Battery or contacts	Check battery and
charge	correct power rating.	AC adapter	AC adapter
	Make sure AC adapter is	AC adapter	Check heat sink
	Make sure AC adapter is	Motherboard	Check heat sink
	connected properly and battery	Motherboard
	connected properly and battery
	installed properly.	Heat sink
	Check battery contacts. If
	available, try another battery
	and AC adapter.
	Move notebook away from any
	nearby heat source. Unplug
	AC adapter and allow battery
	to cool. Check for blocked air
	vents.
AC adapter does not	Try another AC adapter, if	AC adapter	AC adapter cannot
power notebook	available.	Motherboard	be repaired, and
		Motherboard	must be replaced.
			must be replaced.
Battery indicator is	Time Remaining is an estimate
inaccurate	based on notebook’s power
	use at that moment. It,
	therefore, depends on current
	task and assumes power will
	be used at that rate until
	battery runs out. So if notebook
	is currently using good deal
	of power (such as when
	reading CD or DVD), Time
	Remaining likely shows less
	time than actually remains.

3-10 Troubleshooting and Diagnostics

Service Manual

2547EA, 2550CA, 2552AI, 2541AH, 2543AH specifications

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