TP 560X - Beep and No Beep Symptoms

4.155 bytes

Service Hints & Tips

Document ID: LWIK-3PCLMK

TP 560X - Beep and 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.

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.

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.) battery.

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 on page 36.

Two short beeps with blank screen.

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
on page 30.
2. DC/DC card.
3. System board.
4. Check the power outlet.

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

DC/DC card.
System board.

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

DC/DC card.
System board.

No beep during POST but system runs correctly.

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

Search Keywords

Hint Category

Hardware Maintenance Information

Date Created

01-12-97

Last Updated

19-08-98

Revision Date

17-08-99

Brand

IBM ThinkPad

Product Family

ThinkPad 560X

Machine Type

2640

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.
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.) battery.	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 on page 36.
Two short beeps with blank screen.	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 on page 30. 2. DC/DC card. 3. System board. 4. Check the power outlet.
No beep, power-on indicator on, and a blank LCD during POST.	DC/DC card. System board.
No beep, power-on indicator on, and a blinking cursor only during POST.	DC/DC card. System board.
No beep during POST but system runs correctly.	1. Turn the volume up and check the speaker. 2. Speaker. 3. System board.

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	01-12-97
	Last Updated	19-08-98
	Revision Date	17-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 560X
	Machine Type	2640
	Model	Various
	TypeModel
	Retain Tip (if applicable)
	Reverse Doclinks and Admin Purposes