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Toshiba A60 S1591 Maintenance Manual - Page 55

Troubleshooting, 5-inch HDD, Procedure 5 Connector Check and Replacement Check

UPC - 032017268067

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2 Troubleshooting 2.5 2.5-inch HDD Procedure 5 Connector Check and Replacement Check The HDD or system board may be faulty. Disassemble the computer following the steps described in Chapter 4 and perform the following checks: Check 1 Make sure the following connectors have been firmly connected to the HDD, system board and CPU. HDD System board CPU If any connector is loose or off, reconnect it firmly and return to Procedure 1. If there is still an error, perform Check 2. Check 2 The HDD may be damaged. Replace it with a new one following the disassembling instructions in Chapter 4. If the problem persists, perform Check 3. Check 3 The System board may be damaged. Replace it with a new one following the disassembling instructions in Chapter 4. If the problem persists, perform Check 4. Check 4 The CPU may be damaged. Replace it with a new one following the disassembling instructions in Chapter 4. 2-14 Equium A60/Satellite A60/ Pro A60/A65 Maintenance Manual

Section	Page
Satellite A60 Maintenance Manual	1
Chapter 1 Hardware Overview	11
1.1 Features	15
1.2 System Unit Components	22
1.3 2.5-inch HDD	28
1.4 DVD-ROM Drive	29
1.5 CD-RW/DVD-ROM Drive	30
1.6 DVD Multi	31
1.7 DVD-R/-RW	32
1.8 DVD Dual	33
1.9 DVD Super Multi	34
2.0 Power Supply	35
2.1 Batteries	36
Chapter 2 Troubleshooting	38
2.1 Outline	42
2.2 Basic Flowchart	43
2.3 Power Supply	47
2.4 System Board	50
2.5 2.5-inch HDD	52
2.6 Keyboard	56
2.7 Display	57
2.8 ODD (Optical Disk Drive)	59
2.9 LAN	61
2.10 SD Card/Memory Stick(Optional)	62
2.11 Parallel Port(Optional)	63
2.12 Audio Test	64
2.13 IEEE 1394 Test(Optional)	65
2.14 Cooling Module	66
Chapter 3 Diagnostic Programs	67
3.1 General	71
3.2 Quick Start	73
3.3 Options	86
3.4 Subtests	97
3.5 System Test	100
3.6 Memory Test	105
3.7 Storage	110
3.8 Video	114
3.9 Communication (COMM)	124
3.10 Peripheral	128
3.11 Error Codes and description	130
3.12 Quick Test Item List	137
Chapter 4 Replacement Procedures	138
4.1 General	145
4.2 Wireless LAN Card	162
4.3 HDD	164
4.4 Switch Cover and Hotkey Board	167
4.5 Keyboard	169
4.6 ODD Bay Modules	171
4.7 Display Assembly	174
4.8 Top Cover	176
4.9 Speakers	179
4.10 Cooling Module	181
4.11 CPU	184
4.12 System Board	187
4.13 North Bridge thermal module and MDC cable	189
4.14 Display Mask	192
4.15 FL Inverter Board	194
4.16 LCD Modules	196
4.17 LED Board	203
4.18 Touch Pad Board	205
Appendices	206
Appendix A Handling the LCD Module	212
Appendix B Board Layout B.1 System Board Front View	217
Appendix C Pin Assignments	222
Appendix D Keyboard Scan/Character Codes	238
Appendix E Key Layout	246
Appendix F BIOS Rewrite Procedures	260