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Service Hints & Tips

Document ID: COBN-3H8CEE

TP 380,385 - No beep symptoms

Applicable to: World-Wide

The following information is intended for IBM Dealers and Authorized Servicers only. Customers attempting to follow any of the procedures below may void their warranty.

No Beep Symptoms

Symptom / Error	FRU / Action in Sequence
No beep, power-on indicator not on, and a blank LCD during POST.	1. Go to ¿Power Systems Checkout— 2. System board 3. Subcard 4. Power sources
No beep, power-on indicator on, and a blank LCD during POST.	1. System board 2. Subcard
No beep, power-on indicator on, and a blinking cursor only during POST.	1. System board 2. Subcard
No beep during POST but System runs correctly.	1. Turn the volume up and check the speaker. 2. Speaker 3. System board 4. Subcard

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	19-05-97
	Last Updated	19-08-98
	Revision Date	17-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 380, ThinkPad 380D, ThinkPad 380E, ThinkPad 380ED, ThinkPad 380XD, ThinkPad 385D, ThinkPad 385E, ThinkPad 385ED, ThinkPad 385XD
	Machine Type	2635
	Model	Various
	TypeModel
	Retain Tip (if applicable)
	Reverse Doclinks and Admin Purposes