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Lenovo M58e Hardware Maintenance Manual - Page 93

Removing and installing the front bezel, To reinstall the bezel

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Removing and installing the front bezel This section provides instructions on how to remove and install the front bezel. To remove and install the front bezel: 1. Remove the computer cover. See "Removing the computer cover" on page 85. 2. Release the three plastic tabs on the left side of the front bezel and pivot the bezel outward. Carefully set the bezel to the side without disconnecting the power switch and LED assembly cable. 3. To reinstall the bezel, align the plastic tabs on the right side of the bezel with the corresponding holes in the chassis, then pivot the bezel inward until it snaps into position on the left side. 4. To complete the installation, go to "Completing the FRU replacement" on page 120. Chapter 8. Replacing FRUs - Tamdhu Computers 87

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	8
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	13
Safety notices (multi-lingual translations)	13
Chapter 3. General information	45
The ThinkVantage Productivity Center program	45
Additional information resources	45
Specifications	46
Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508	46
Types 7259, 7267, 7269, 7279, 7297, 7303, 7306, 7487, 7506, and 7514	46
Chapter 4. General Checkout	49
Problem determination tips	49
Chapter 5. Diagnostics	51
Lenovo System Toolbox	51
PC-Doctor for Windows PE	51
Running diagnostics from the Rescue and Recovery workspace	51
PC-Doctor for DOS	52
Creating a diagnostic CD/DVD image	52
Running diagnostics from the disc	52
Navigating through the diagnostics programs	52
Running tests	52
Test results	53
Quick and Full erase - hard drive	54
Viewing the test log	54
Chapter 6. Using the Setup Utility	55
Starting the Setup Utility program	55
Viewing and changing settings	55
Using passwords	55
Password considerations	55
Power-On Password	56
Privileged Access Password	56
Setting, changing, and deleting a password	56
Enabling or disabling a device	56
Selecting a startup device	57
Selecting a temporary startup device	57
Selecting or changing the startup device sequence	57
Advanced settings	58
Exiting from the Setup Utility program	58
Chapter 7. Symptom-to-FRU Index	59
Hard disk drive boot error	59
Power Supply Problems	59
Diagnostic error codes	60
Beep symptoms	81
POST error codes	82
Miscellaneous error messages	84
Undetermined problems	85
Chapter 8. Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)	87
Locations	88
Rear connectors	88
Computer components	89
System board connectors	90
Removing the computer cover	91
Removing and installing the front bezel	93
Replacing the power supply assembly	94
Replacing the system board	96
Replacing the heat sink and fan assembly	98
Replacing the microprocessor	100
Replacing a memory module	104
Installing or replacing an adapter card	106
Replacing the primary hard disk drive	108
Replacing the secondary hard disk drive	111
Replacing an optical drive	115
Replacing the diskette drive or card reader	116
Replacing the front fan assembly	118
Replacing the rear fan assembly	120
Replacing the front audio/USB assembly	122
Replacing the power switch/LED assembly	123
Replacing the CMOS battery	124
Replacing the Internal speaker	125
Completing the FRU replacement	126
Chapter 9. Replacing FRUs (Types 7259, 7267, 7269, 7279, 7290, 7297, 7303, 7306, 7408, 7487, 7506 and 7514)	127
Locations	128
Rear connectors	128
Computer components	129
System board connectors	130
Opening the cover	131
Accessing system board components and drives	132
Replacing a memory module	133
Replacing the battery	134
Replacing the power supply	135
Replacing the system board	137
Replacing the microprocessor	140
Replacing the heat sink and fan assembly	143
Replacing the hard disk drive	144
Replacing the optical drive	147
Replacing the internal speaker	150
Replacing the power switch/LED assembly	151
Replacing the card reader	152
Installing or replacing an adapter card	153
Completing the FRU replacement	156
Chapter 10. FRU lists	157
Machine Type 7258	157
Machine Type 7259	169
Machine Type 7260	180
Machine Type 7267	191
Machine Type 7268	202
Machine Type 7269	213
Machine Type 7270	224
Machine Type 7279	235
Machine Type 7296	246
Machine Type 7297	257
Machine Type 7298	268
Machine Type 7303	280
Machine Type 7304	292
Machine Type 7306	303
Machine Type 7307	314
Machine Type 7408	326
Machine Type 7491	337
Machine Type 7506	349
Machine Type 7508	360
Machine Type 7514	372
Special bid information	382
Chapter 11. Additional Service Information	385
Security features	385
Hardware controlled Passwords	385
Operating system password	385
Vital product data	385
BIOS levels	385
Flash update procedures	385
Updating (flashing) BIOS from a disc	386
Updating (flashing) BIOS from your operating system	386
Recovering from a POST/BIOS update failure	386
Power management	388
Automatic configuration and power interface (ACPI) BIOS	388
Automatic Power-On features	388
Appendix. Notices	389
Television output notice	390