Toshiba Satellite U940 - The Diagnostic Test

Tests and Diagnostics
Satellite U900/U940 /945)Series Maintenance Manual
2
3.1 The Diagnostic Test
This chapter explains how to use the Test & Diagnostic program to test the functions of the (Base
on VCUAA 10F/10FG T&D version 1.0) hardware modules. The program consists of a series of
tests that run automatically when the Diagnostics Program items are selected and executed.
NOTES: To start the diagnostics, follow these steps
1. Check all cables for loose connections.
2. Before start a test, press F2 enter CMOS to check BIOS version Follow the sequence as
below to Switch. from UEFI boot to CSM boot for Free DOS test T&D.
Press F2  choose COMS Advanced item  choose System Configuration item 
 choose Boot Mode item  choose CSM boot  F10 exit CMOS
3. Exit this program when you are at Main Menu.
The TEST & DIAGNOSTIC PROGRAM contains the following functional tests:
 CONFIG CHECK TEST
 AUDIO SOUND TEST
 FAN ON/OFF TEST
 MAIN BATTERY CHARGE TEST
 FDD TEST
 MEMORY CHECK
 KEYBOARD TEST
 MOUSE(PAD) TEST
 LCD PIXELS MODE TEST
 MAGNETIC SWITCH TEST
 LAN TEST
 RTC TEST
 LED TEST
 1
st
HDD TEST
 Read DMI TEST
 Write DMI TEST
 TP TYPE R/W TEST
 EE-PROM Setting
 TOSHIBA LOGO SET
 DYNABOOK LOGO SET
You will need the following equipment to perform some of the Diagnostic test programs.
 The diagnostics USB memory
 A formatted working diskette for the floppy disk drive test (Floppy Disk Drive Test)
 A LAN loopback