TP 600/E - Beep/no beep and audio-related symptoms

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Service Hints & Tips

Document ID: LWIK-3SRCPY

TP 600/E - Beep/no beep and audio-related 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.

Beep Symptoms

Symptom / Error

FRU / Action in Sequence

Continuous beeps.

System Board

One beep and a blank, unreadable, or flashing LCD.

1. Reseat the LCD connector.
2. LCD assembly.
3. System board.

One beep, and the message "Unable to access boot source."

1. Boot device
2. System Board

One long and two short beeps, and a blank or unreadable LCD.

1. System board.
2. LCD assembly.

One long beep followed by four short beeps each time the power switch is operated.
(System cannot power on due to low battery voltage.)

Connect the AC Adapter or install a fully charged battery.

One beep every second.
(System is shutting down due to low battery voltage.)

Connect the AC Adapter or install a fully charged battery. (Allow the system to completely shut down before changing the battery.)

Two short beeps with error codes.

POST error. See Numeric Error Codes.

Two short beeps with blank
screen.

1. System board

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. Check the power outlet.

No beep, power-on indicator on, and a blank LCD during POST.

System board.

No beep, power-on indicator on, and a blinking cursor only during POST.

System board.

No beep during POST but system runs correctly.

1. Turn the volume up and check the speaker.
2. Speaker.
3. Sub card.
4. System board.

Audio-Related Symptoms

Symptom / Error

FRU / Action in Sequence

In OS/2, DOS, or Windows
multimedia programs, no
sound comes from the computer. (Only system beeps are heard at power-on.)

Check that the device driver is installed correctly.

Search Keywords

Hint Category

Hardware Maintenance Information

Date Created

20-03-98

Last Updated

19-01-99

Revision Date

19-01-2000

Brand

IBM ThinkPad

Product Family

ThinkPad 600, ThinkPad 600E

Machine Type

2645, 2646

Model

Various

TypeModel

Retain Tip (if applicable)

Reverse Doclinks
and Admin Purposes

Symptom / Error	FRU / Action in Sequence
Continuous beeps.	System Board
One beep and a blank, unreadable, or flashing LCD.	1. Reseat the LCD connector. 2. LCD assembly. 3. System board.
One beep, and the message "Unable to access boot source."	1. Boot device 2. System Board
One long and two short beeps, and a blank or unreadable LCD.	1. System board. 2. LCD assembly.
One long beep followed by four short beeps each time the power switch is operated. (System cannot power on due to low battery voltage.)	Connect the AC Adapter or install a fully charged battery.
One beep every second. (System is shutting down due to low battery voltage.)	Connect the AC Adapter or install a fully charged battery. (Allow the system to completely shut down before changing the battery.)
Two short beeps with error codes.	POST error. See Numeric Error Codes.
Two short beeps with blank screen.	1. System board

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. Check the power outlet.
No beep, power-on indicator on, and a blank LCD during POST.	System board.
No beep, power-on indicator on, and a blinking cursor only during POST.	System board.
No beep during POST but system runs correctly.	1. Turn the volume up and check the speaker. 2. Speaker. 3. Sub card. 4. System board.

Symptom / Error	FRU / Action in Sequence
In OS/2, DOS, or Windows multimedia programs, no sound comes from the computer. (Only system beeps are heard at power-on.)	Check that the device driver is installed correctly.

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	20-03-98
	Last Updated	19-01-99
	Revision Date	19-01-2000
	Brand	IBM ThinkPad
	Product Family	ThinkPad 600, ThinkPad 600E
	Machine Type	2645, 2646
	Model	Various
	TypeModel
	Retain Tip (if applicable)
	Reverse Doclinks and Admin Purposes