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Toshiba PROL450D manual Memory Write Test Memory Read & Write Test

Models: PROL450D

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Troubleshooting Specifications Install Symbol examples Display Configuration Tests and Diagnostics  Bios ROM Eeprom Disassembly Procedures Main Battery Procedure 1 Power Status Check

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3. Tests and Diagnostics

Memory Write Test

Memory Read & Write Test

17

Page 97 Page 99

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Toshiba PROL450D manual Memory Write Test Memory Read & Write Test

Page 97 Page 99

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Contents

Toshiba Personal Computer Satellite Maintenance Manual Trademarks CopyrightDisclaimer Safety Precautions Preface Conventions Acronyms Diskcopy a B Table of Contents Tests and Diagnostics Replacement Procedures Disassembling the ODD Drive Figures Confidential Page Appendices Chapter Hardware Overview Chapter Contents Tables Page Features Error! Style not defined. Error! Style not defined  ODD  LAN Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual ID Parts Description Placement Part a System diagram of the computer Intel platform System diagram of the computer AMD platform  Bios ROM Eeprom  EC/KBC HDD Specifications 2.5-inch HDD DVD Super Multi Drive DVD Super Multi Drive Specifications DVD Super Multi +-R Double Layer Power Supply Hardware Overview Batteries Main BatteryBattery Charging Control Quick/Normal Charging Time RTC Battery Chapter Troubleshooting Procedures Page Chapter Contents Tables Troubleshooting Introduction LAN Troubleshooting Flowchart Start Does typed characters appear correctly? Troubleshooting Procedures Troubleshooting Procedures Power Supply Troubleshooting ST a R T Procedure 1 Power Status Check Battery LED Troubleshooting Procedures DC-IN LED Procedure 2 Adaptor / battery replacement Battery Procedure 3 Power supply connection check Procedure 4 Diagnostic check Procedure 5 Replacement check Display Troubleshooting A R T Procedure 1 External display check Procedure 2 Diagnostic check Procedure 3 Connector and replacement check Keyboard Troubleshooting Procedure 1 External keyboard check External USB Devices Troubleshooting A R T Procedure 1 External device and connection check Procedure 2 Replace system board Touchpad Troubleshooting Start Procedure 1 TouchPad connection check Procedure 2 TouchPad replacement check Speaker Troubleshooting Start Procedure 3 Connection check Procedure 1 Audio source testProcedure 2 Earphone test Procedure 4 Replacement check Optical drive troubleshooting Optical drive troubleshooting process Procedure Procedure 1 Audio CD checkProcedure 2 Drive cleaning check Procedure Diagnostic test Procedure 5 Connection check and replacement check Modem Troubleshooting Start Procedure 3 Modem replacement check Procedure 1 Telephone line connection checkProcedure 2 Modem card connection check Wireless LAN Troubleshooting 10 Wireless LAN troubleshooting process Procedure 2 Connector and replacement check Camera Troubleshooting Procedure Diagnostic test 13 3 in 1 card Troubleshooting 12 3in 1 card troubleshooting process Procedure 1 Bridge media assemble card test HDD Troubleshooting 13 HDD troubleshooting process Procedure Diagnostic test CRT Troubleshooting 14 CRT Troubleshooting Process Procedure 1 CRT connection check Procedure 2 CRT set check Hdmi Troubleshooting 15 Hdmi troubleshooting process Procedure 1 Hdmi connection check Procedure 2 Hdmi set check MIC Troubleshooting 16 MIC troubleshooting process Procedure Diagnostic test Thermal Module troubleshooting 17 Thermal Module troubleshooting process Procedure 3 System board replacement check Procedure 1 CPU replacement checkProcedure 2 Thermal Module replacement check LAN troubleshooting 18 LAN troubleshooting process Procedure 1 LAN connection check Procedure 2 LAN port check Chapter Tests and Diagnostics Tests and DiagnosticsPage 1st HDD Test 2nd HDD Test Read DMI Write DMI Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Tests and Diagnostics Tests and Diagnostics Display Configuration Display configuration Tests and Diagnostics Beep sound test Fan ON/OFF Test Tests and Diagnostics Main Battery Charge Test Tests and Diagnostics Main Battery Change Test FDD Test Memory check Tests and Diagnostics Memory Write Test Memory Read & Write Test Keyboard Test Tests and Diagnostics Mouse Pad Test LCD Pixels Mode Test Magnetic Switch Test If the Magnetic switch test pass, it will show below display LAN Test Tests and Diagnostics Tests and Diagnostics RTC Test Read 1394 Guid Speaker EQEqualizer Quality factor Type Check&Re-Write Sensor Button Test Front Edge Logo check Tests and Diagnostics Tests and Diagnostics 19 1st HDD Test Tests and Diagnostics 19 2nd HDD Test Tests and Diagnostics Tests and Diagnostics Tests and Diagnostics Read DMI Write DMI Tests and Diagnostics Tests and Diagnostics Chapter Replacement Procedures Replacement Procedures Replacement Procedures Replacement Procedures Figures 31 Peel off the bezel General Inverter Board Safety Precautions Replacement Procedures Before You Begin Disassembly Procedures Assembly Procedures Tools and Equipment Screw Tightening Torque Colors of Screw Shanks Symbols of Screws on the Laptop BodySymbol examples Battery Removing the Battery Pack Installing the Battery Pack HDD Removing the HDD Removing the HDD plate Installing the HDD Memory Removing the Optional Memory Removing the RAM from connector Installing the Optional Memory Removing the Wlan Card Installing the Wlan CardWlan Card Removing the Modem Card Installing the Modem CardModem Card BTO ODD Removing the ODD Bay Module Installing the ODD Bay Module Disassembling the ODD Drive Assembling the ODD Drive Keyboard Cover and Keyboard Removing the Keyboard Cover and Keyboard 11 Removing screws from the keyboard Installing the keyboard Cover and Keyboard Logic Upper Assembly Removing the Logic Upper Assembly Installing the Logic Upper Assembly Installing the power switch board Power BoardRemoving the Power Board Removing the Speakers Installing the SpeakersSpeakers Removing the Touch Pad Bracket Installing the Touch Pad BracketTouch Pad Bracket Removing the Thermal Fan Installing the Thermal FanThermal Fan Motherboard Removing the Motherboard 20 Removing the Dcin Installing the Motherboard 22 Align the VGA Conn and RJ45 Conn 24 Installing the DC-in jack CPU and Thermal Module Removing CPU and Thermal Module Replacement Procedures Installing CPU and Thermal Module 26 Removing the CPU Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual Display Assembly Removing the Display Assembly Installing the Display Assembly LCD Bezel Assembly Removing the LCD Bezel Assembly Installing the Display Mask 31 Peel off the bezel 34 Press the left and right side of the bezel 35 Press the bezel upside hooks LCD Module and Inverter Board Removing the LCD Module and Inverter Board 37 Removing the LCD Module from the LCD cover assembly 38 Removing the LCD Hinge Assembly Installing the LCD Module and Inverter Board Removing the Camera Installing the CameraCamera BTO Removing the Hinge Saddle Installing the Hinge SaddleHinge Saddle Removing the USB Board Installing the USB BoardUSB Board Removing the RJ11 Jack Installing the RJ11 Jack22 RJ11 Jack Precautions for handling the LCD module Appendix a Handling the LCD Module Satellite L450/L450D Series Maintenance Manual Confidential Confidential Confidential System Board Top View Figure B-1 System Board Layout Top System Board Bottom View Figure B-2 System Board Layout Bottom Table B-2 System Board Connectors top and bottom Table B-1 System Board ICs top and bottom PJP1 Appendix C Pin Assignments System Board Jcrt Jodd Jwlan Table C-10 Sodimm I/F pin assignments 200-PIN 1/4 Table C-10 Sodimm I/F pin assignments 200-PIN 2/4 Table C-10 Sodimm I/F pin assignments 200-PIN 3/4 Table C-10 Sodimm I/F pin assignments 200-PIN 4/4 Jmic Jline 13 JKB Jusbb 15 JCS Jread Jspkr Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 1/4 Table D-1 Scan codes set 1 and set 2 2/4 Table D-1 Scan codes set 1 and set 2 3/4 ALT R Table D-1 Scan codes set 1 and set 2 4/4 Table D-2 Scan codes with left Shift key Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn key Table D-5 Scan codes in overlay mode Table D-6 No.124 key scan code Table D-7 No.126 key scan code Appendix E Key Layout Thai TI Keyboard United Kingdom UK Keyboard Hebrew HB Keyboard Swiss SW Keyboard Czech CZ Keyboard Portuguese PO Keyboard Italian IT Keyboard German GR Keyboard Canada French CF Keyboard Spanish SP Keyboard Turkish F TF-F Keyboard Belgian be Keyboard Norwegian NW Keyboard Canadian Multinational AC Keyboard Japanese JP Keyboard Bulgaria BU Keyboard Appendix F Series Screw Torque List Ktkaa Table F-1 Series Screw Torque List Saddle to Lower Appendix G Reliability Table G-1 Mtbf

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