TP 360,750,755 - Miscellaneous Symptoms

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Service Hints & Tips

Document ID: GSMH-3B5DHH

TP 360,750,755 - Miscellaneous Symptoms

Applicable to: World-Wide

Miscellaneous Symptoms:

Indicator Related Symptoms:

Symptom/Error

FRU/Action

Indicator incorrectly remains off or on, but system runs correctly.

1. Reseat the status indicator cable.
2. Status Indicator
3. Interposer Card
4. System Board

Battery power status indicator blinks from green, yellow, to orange.

1. Check that a correct battery is installed.
2. Set the battery storage switch to ON.
3. Battery Pack
4. DC/DC Card
5. System Board

Power Related Symptoms:

Symptom/Error

FRU/Action

Power shut down during operation.

1. Go to ¿Power Systems Checkout—.
2. Battery Pack
3. Remove the battery pack and let it cool for two hours.
4. DC/DC Card
5. Power sources

The system will not power-off.
(See ¿Reset Pushbutton—.)

1. Press the Reset push button.
2. System Board

Function/Audio Related Symptoms:

Symptom/Error

FRU/Action

The system will not suspend or resume by opening or closing the keyboard.

1. Go to ¿Suspend Mode— and check that the computer can enter suspend mode.
2. Go to Easy-Setup screen and press Fn+ 4. If the computer enters suspend mode, suspect that the application program is defective.
3. DC/DC Card
4. Interposer Card
5. System Board

The system will not suspend or resume by opening or closing the LCD.

1. Go to ¿Suspend Mode— and that check that the computer can enter suspend mode.
2. Go to Easy-Setup screen and press Fn+ 4. If the computer enter suspend mode, suspect that the application program is defective.
3. Interposer Card
4. DC/DC Card
5. System Board

Battery Fuel-Gauge does not go higher than 90%.

1. Go to ¿Checking the Battery Pack— and see the note.

Audio problems.

1. Run the Audio Test.
2. Audio Card

Memory count (size) appears differently from actual size.

1. Go to ¿Memory Checkout—.

System configuration does not match the installed devices.

1. Go to ¿Checking the Installed Devices List—.

System hangs intermittently.

1. Go to ¿Intermittent Problems.—

Peripheral Device Related Symptoms:

Symptom/Error

FRU/Action

External display does not work correctly.

1. See ¿External Display Self-Test— in ¿Common Devices Checkout— section.

Printer problems.

1. Run Printer Self-test.
2. System Board
3. Parallel Port Device
4. Cable

Serial or parallel port device problems.

1. Device
2. Device Cable
3. System Board

Other Symptoms

Symptom/Error

FRU/Action

Stylus pen or digitizer does not work correctly.

1. Go to ¿Pen and Digitizer Checkout (360P, 360PE, 750P)—.

Errors occur only when Port Replicator is used.

1. See ¿Port Replicator Checkout— in ¿Common Devices Checkout— section.

PCMCIA slot pin is damaged.

1. PCMCIA Slots Assembly

Note:
If you cannot find a symptom or error in this list and the problem remains, see ¿Undetermined Problems—.

Intermittent Problems:
Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as: cosmic radiation, electrostatic discharge, or software errors. FRUs replacement should only be considered when a recurring problems exits.

When analyzing the intermittent problem, do the following:
1. Run the advanced diagnostic test for the system board in loop mode at least 10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more errors exist.

Search Keywords

Hint Category

Hardware Maintenance Information

Date Created

05-11-96

Last Updated

27-08-98

Revision Date

21-08-99

Brand

IBM ThinkPad

Product Family

ThinkPad 355, ThinkPad 360, ThinkPad 750, ThinkPad 755C/CS

Machine Type

2620, 9545, 2619

Model

Various

TypeModel

Retain Tip (if applicable)

N/A

Reverse Doclinks
and Admin Purposes

Symptom/Error	FRU/Action
Indicator incorrectly remains off or on, but system runs correctly.	1. Reseat the status indicator cable. 2. Status Indicator 3. Interposer Card 4. System Board
Battery power status indicator blinks from green, yellow, to orange.	1. Check that a correct battery is installed. 2. Set the battery storage switch to ON. 3. Battery Pack 4. DC/DC Card 5. System Board

Symptom/Error	FRU/Action
Power shut down during operation.	1. Go to ¿Power Systems Checkout—. 2. Battery Pack 3. Remove the battery pack and let it cool for two hours. 4. DC/DC Card 5. Power sources
The system will not power-off. (See ¿Reset Pushbutton—.)	1. Press the Reset push button. 2. System Board

Symptom/Error	FRU/Action
The system will not suspend or resume by opening or closing the keyboard.	1. Go to ¿Suspend Mode— and check that the computer can enter suspend mode. 2. Go to Easy-Setup screen and press Fn+ 4. If the computer enters suspend mode, suspect that the application program is defective. 3. DC/DC Card 4. Interposer Card 5. System Board
The system will not suspend or resume by opening or closing the LCD.	1. Go to ¿Suspend Mode— and that check that the computer can enter suspend mode. 2. Go to Easy-Setup screen and press Fn+ 4. If the computer enter suspend mode, suspect that the application program is defective. 3. Interposer Card 4. DC/DC Card 5. System Board
Battery Fuel-Gauge does not go higher than 90%.	1. Go to ¿Checking the Battery Pack— and see the note.
Audio problems.	1. Run the Audio Test. 2. Audio Card
Memory count (size) appears differently from actual size.	1. Go to ¿Memory Checkout—.
System configuration does not match the installed devices.	1. Go to ¿Checking the Installed Devices List—.
System hangs intermittently.	1. Go to ¿Intermittent Problems.—

Symptom/Error	FRU/Action
External display does not work correctly.	1. See ¿External Display Self-Test— in ¿Common Devices Checkout— section.
Printer problems.	1. Run Printer Self-test. 2. System Board 3. Parallel Port Device 4. Cable
Serial or parallel port device problems.	1. Device 2. Device Cable 3. System Board

Symptom/Error	FRU/Action
Stylus pen or digitizer does not work correctly.	1. Go to ¿Pen and Digitizer Checkout (360P, 360PE, 750P)—.
Errors occur only when Port Replicator is used.	1. See ¿Port Replicator Checkout— in ¿Common Devices Checkout— section.
PCMCIA slot pin is damaged.	1. PCMCIA Slots Assembly

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	05-11-96
	Last Updated	27-08-98
	Revision Date	21-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 355, ThinkPad 360, ThinkPad 750, ThinkPad 755C/CS
	Machine Type	2620, 9545, 2619
	Model	Various
	TypeModel
	Retain Tip (if applicable)	N/A
	Reverse Doclinks and Admin Purposes