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Service Hints & Tips

Document ID: GSMH-3BVFVN

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TP 700,720 - Beep Symptoms

Applicable to: World-Wide

Beep Symptoms:

Symptom/Error	FRU/Action
Continuous beep.	System Board
Repeating short beeps.	1. See -- Heading '1080 Keyboard Unit' unknown -- before replacing any FRUs. 2. Keyboard 3. Keyboard Control Card 4. System Board
One long and one short beep.	1. System Board
One long and two short beeps.	1. Video Card 2. System Board
One short beep and a blank, unreadable, illegible, or flashing display with no external display attached.	1. LCD 2. Video Card 3. System Board 4. Voltage Converter
One short beep and a diskette prompt or a program load from the hard disk or unable to read the diskette. (Be sure an external display is not too close to the diskette drive.)	1. Diskette Drive 2. System Board 3. Diskette Drive Cable
Two short beeps and a blank display.	1. System Board
Two long beeps and two short beeps (or two long beeps and no short beeps). (Possibly with a blank screen and blinking speaker icon.)	1. Video Card 2. Incorrect system board (700, 700C) 3. Incorrect processor upgrade (700, 700C) 4. Incorrect 240MB hard disk drive upgrade for this model

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	29-11-96
	Last Updated	17-04-98
	Revision Date	16-04-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 700, ThinkPad 720
	Machine Type	9552
	Model	Various
	TypeModel
	Retain Tip (if applicable)	N/A
	Reverse Doclinks and Admin Purposes