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Lenovo ThinkCentre M90z Hardware Maintenance Manual for ThinkCentre M90z - Page 286

Set Administrator Password, Setup Utility program

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inverter 101 LCD panel 109 microprocessor fan assembly 95 multi-touch board 90 power supply 100 power switch module 103 rear I/O assembly 97 right I/O assembly 99 system board 106 system fan 102 touch panel control board 105 WI-FI card 88 right I/O assembly, replacing 99 S security enabling or disabling 41 selecting startup device 41 temporary startup device 41 Set Administrator Password 40 settings changing 39 viewing 39 Setup Utility program 39 Setup Utility program, exiting 42 Setup Utility program, starting 39 starting the Setup Utility program 39 startup device 41 sequence, changing 41 temporary, selecting 41 system board memory module 77 system board, replacing 106 system fan, replacing 102 T temporary startup device 41 the BIOS, updating (flashing) 273-274 touch panel control board, replacing 105 trademarks 278 U updating (flashing) the BIOS 273 updating (flashing) the BIOS 274 using passwords 39 Setup Utility program 39 V viewing and changing settings 39 W wall mount 280 ThinkCentre Hardware Maintenance Manual Removing 76 WI-FI card, replacing 88

Section	Page
Chapter 1. About this manual	7
Important Safety Information	7
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	11
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
Lenovo ThinkVantage Tools	35
SimpleTap	35
Lenovo Solution Center	35
ThinkVantage Productivity Center	35
Additional information resources	35
Specifications	36
Chapter 4. General Checkout	39
Problem determination tips	39
Chapter 5. Diagnostics	41
Lenovo ThinkVantage Toolbox	41
Lenovo Solution Center	41
PC-Doctor for Rescue and Recovery	42
PC-Doctor for DOS	42
Creating a diagnostic disc	42
Running the diagnostic program from the diagnostic disc	42
Navigating through the diagnostics programs	43
Running tests	43
Viewing the test log	44
Chapter 6. Using the Setup Utility program	45
Starting the Setup Utility program	45
Viewing or changing settings	45
Using passwords	45
Password considerations	46
Administrator password	46
Power-on password	46
Hard disk drive password	46
Setting, changing, or deleting a password	46
Enabling or disabling a device	47
Selecting a startup device	47
Selecting a temporary startup device	47
Viewing or changing the startup device sequence	47
Exiting the Setup Utility program	48
Chapter 7. Symptom-to-FRU Index	49
Hard disk drive boot error	49
Power Supply Problems	49
Diagnostic error codes	50
Beep symptoms	67
POST error codes	68
Miscellaneous error conditions	69
Undetermined problems	70
Chapter 8. Replacing FRUs	73
Locating controls and connectors on the front of your computer	73
Rear connectors	74
FRU locations	75
System board connectors	76
Removing the computer cover	77
Removing or reinstalling the frame stand	78
Removing or reinstalling the lift stand	78
Removing or reinstalling the rear I/O assembly cover	80
Removing or reinstalling the wall mount cover	81
Removing or reinstalling the wall mount	82
Installing or replacing a memory module	83
Replacing the battery	84
Replacing the hard disk drive	86
Replacing the optical drive	87
Replacing the heat sink	89
Replacing the microprocessor	91
Replacing the WI-FI card	94
Replacing the Bluetooth module	95
Replacing the multi-touch board	96
Replacing the ambient light sensor	97
Replacing the ExpressCard	98
Replacing the internal speakers	99
Replacing the integrated camera with microphone	100
Replacing the microprocessor fan assembly	101
Replacing the card reader	102
Replacing the rear I/O assembly	103
Replacing the right I/O assembly	105
Replacing the power supply	106
Replacing the inverter	107
Replacing the system fan	108
Replacing the power switch module	109
Replacing the touch panel control board	111
Replacing the system board	112
Replacing the LCD panel	115
Completing the parts replacement	116
Chapter 9. FRU lists	119
Overall: MT 0800, 0852, 0870, 2471, 3091, 3265, 3429, 3650, 5205, and 5248	119
Mechanical FRUs	137
Keyboard and Mouse	151
Adapters and miscellaneous FRUs	206
Power Cords	207
Recovery discs	219
Windows 7 Home Basic 32 Recovery CD	219
Windows 7 Home Basic 32 SP1 Recovery CD	222
Windows 7 Home Premium 32 Recovery CD	226
Windows 7 Home Premium 32 SP1 Recovery CD	231
Windows 7 Professional 32 Recovery CD	236
Windows 7 Professional 32 SP1 Recovery CD	245
Windows 7 Professional 64 Recovery CD	255
Windows 7 Professional 64 SP1 Recovery CD	260
Windows 7 Home Premium 64 Recovery CD	269
Windows 7 Home Premium 64 SP1 Recovery CD	269
Windows XP Professional 32 Recovery CD	270
Windows Vista Business 32 SP2 Recovery CD	271
Windows Vista Home Basic 32 SP2 Recovery CD	272
Windows 7 Ultimate 64 SP1 Recovery CD	274
Windows 7 Ultimate 32 SP1 Recovery CD	275
Windows Starter 32 SP1 Recovery CD	275
Chapter 10. Additional Service Information	279
Security features	279
Hardware controlled Passwords	279
Operating system password	279
Vital product data	279
BIOS levels	279
Flash update procedures	279
Updating (flashing) the BIOS from a disc	279
Updating (flashing) the BIOS from your operating system	280
Recovering from a POST/BIOS update failure	280
Power management	281
Automatic configuration and power interface (ACPI) BIOS	281
Automatic Power-On features	281
Appendix A. Notices	283
Television output notice	284
Trademarks	284