TP 710T - Miscellaneous Symptoms

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Service Hints & Tips

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TP 710T - Miscellaneous Symptoms

Applicable to: World-Wide

Miscellaneous Symptoms:

Symptom / Error

FRU / Action

No beep, Power-on LED not lit, and a blank LCD during POST. (See ¿Power Systems Checkout— before replacing any FRUs.)

1. System Board
2. DC/DC Card
3. Power source when failing

No beep, Power-on LED lit, and a blank LCD during POST.
(See ¿Power Systems Checkout— on before replacing any FRUs.)

1. System Board
2. Modem Card

No beep during POST but computer runs OK.

1. System Board (Speaker)

LCD screen unreadable or characters missing pels.

1. LCD Assembly
2. System Board

One or more keys do not work.

1. Keyboard
2. System Board

Computer does not respond to Pen input.

1. Pen
2. LCD Assembly
3. System Board

LCD backlight not functioning.

1. Inverter Card
2. LCD Assembly
3. Switch and LED Card
4. System Board

LCD backlight intensity not adjustable.

1. LCD Assembly
2. Switch and LED Card
3. System Board

LCD contrast not adjustable.

1. LCD Assembly
2. System Board
3. Switch and LED Card

System hang or intermittent hang.
(See ¿Undetermined Problems— before replacing any FRUs.)

1. Press Reset Button
2. System Board
3. Operating System

The computer does not suspend or resume.

1. System Board

The computer does not power off.

1. Press Reset Button
2. System Board

Real-time clock inaccurate.

1. Backup Battery
2. System Board

Printer problems.
(See - 'Printer Checkout' -.)

1. System Board
2. Parallel Port Device Cable

Serial or parallel port device problems.

1. Device
2. Device Cable
3. System Board

LED incorrectly remains off, but computer runs OK.

1. Switch and LED Card
2. System Board

Internal modem card does not communicate with a modem or FAX.

1. Verify that the setup data defined by the communication software is suitable for the communication.
2. Modem Card

If the problem remains, see ¿Undetermined Problems.—

Search Keywords

Hint Category

Hardware Maintenance Information

Date Created

09-01-97

Last Updated

01-05-98

Revision Date

27-04-99

Brand

IBM ThinkPad

Product Family

ThinkPad 710

Machine Type

2523

Model

Various

TypeModel

Retain Tip (if applicable)

N/A

Reverse Doclinks
and Admin Purposes

Symptom / Error	FRU / Action
No beep, Power-on LED not lit, and a blank LCD during POST. (See ¿Power Systems Checkout— before replacing any FRUs.)	1. System Board 2. DC/DC Card 3. Power source when failing
No beep, Power-on LED lit, and a blank LCD during POST. (See ¿Power Systems Checkout— on before replacing any FRUs.)	1. System Board 2. Modem Card
No beep during POST but computer runs OK.	1. System Board (Speaker)
LCD screen unreadable or characters missing pels.	1. LCD Assembly 2. System Board
One or more keys do not work.	1. Keyboard 2. System Board
Computer does not respond to Pen input.	1. Pen 2. LCD Assembly 3. System Board
LCD backlight not functioning.	1. Inverter Card 2. LCD Assembly 3. Switch and LED Card 4. System Board
LCD backlight intensity not adjustable.	1. LCD Assembly 2. Switch and LED Card 3. System Board
LCD contrast not adjustable.	1. LCD Assembly 2. System Board 3. Switch and LED Card
System hang or intermittent hang. (See ¿Undetermined Problems— before replacing any FRUs.)	1. Press Reset Button 2. System Board 3. Operating System
The computer does not suspend or resume.	1. System Board
The computer does not power off.	1. Press Reset Button 2. System Board
Real-time clock inaccurate.	1. Backup Battery 2. System Board
Printer problems. (See - 'Printer Checkout' -.)	1. System Board 2. Parallel Port Device Cable
Serial or parallel port device problems.	1. Device 2. Device Cable 3. System Board
LED incorrectly remains off, but computer runs OK.	1. Switch and LED Card 2. System Board
Internal modem card does not communicate with a modem or FAX.	1. Verify that the setup data defined by the communication software is suitable for the communication. 2. Modem Card

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	09-01-97
	Last Updated	01-05-98
	Revision Date	27-04-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 710
	Machine Type	2523
	Model	Various
	TypeModel
	Retain Tip (if applicable)	N/A
	Reverse Doclinks and Admin Purposes