Lenovo 4495 - Manual

Lenovo 4495

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Table of Contents:

  • Page 4 – “Safety information” on page 3 and Appendix A “Notices” on page 473.
  • Page 5 – Contents; Chapter 6. Using the Setup Utility; iii
  • Page 6 – Chapter 11. Additional service; iv
  • Page 9 – Chapter 1. About this manual; computer machine types listed on; Important safety information
  • Page 10 – distribution center at the time of order.
  • Page 11 – Chapter 2. Safety information; General safety; that you think are too heavy for you.; Electrical safety
  • Page 13 – Consider these conditions and the safety hazards they present:
  • Page 15 – To Connect; • Throw or immerse into water
  • Page 19 – PERIGO; Para evitar risco de choque elétrico:
  • Page 20 – Utilize procedimentos de segurança para levantar equipamentos.
  • Page 25 – DANGER; Pour éviter tout risque de choc électrique :; Connexion
  • Page 27 – Soulevez la machine avec précaution.
  • Page 28 – Zum Anschließen der Kabel gehen Sie wie folgt vor; • mit Wasser in Berührung bringen.
  • Page 32 – Per collegarsi
  • Page 34 – Prestare attenzione nel sollevare l'apparecchiatura.
  • Page 37 – Para conectar; Arrojarla al agua o sumergirla en ella
  • Page 41 – Chapter 3. General information; Lenovo Welcome
  • Page 42 – Specifications; Dimensions
  • Page 45 – Chapter 4. General checkout; Attention; did not; Problem determination tips
  • Page 47 – Chapter 5. Diagnostic programs; Windows; Lenovo ThinkVantage Toolbox; . Follow the instructions; Creating a diagnostic disc; To create a diagnostic disc, do the following:
  • Page 48 – Test results
  • Page 49 – Quick and Full erase - hard disk drive
  • Page 50 – Viewing the test log
  • Page 51 – Chapter 6. Using the Setup Utility program; Starting the Setup Utility program; Save Changes and Exit; Viewing or changing settings
  • Page 53 – Erasing lost or forgotten passwords (clearing CMOS); USB Setup; External SATA Port; Disable
  • Page 55 – Smart Performance Choice; . The Smart Performance Choice window is displayed.; Better Acoustic Performance; or; Better Thermal Performance; Exiting the Setup Utility program; • If you do not want to save the settings, select; Exit
  • Page 57 – Hard disk drive boot error; Error; Power Supply Problems; If you suspect a power problem, use the following procedures.; Diagnostic error codes
  • Page 58 – Diagnostic Error Code
  • Page 75 – Beep symptoms; The following tables describes beep symptoms.
  • Page 76 – POST error codes; POST; POST Error Message
  • Page 77 – Miscellaneous error messages
  • Page 79 – Undetermined problems; If you encounter undetermined problems, do the following:
  • Page 81 – Locations
  • Page 83 – Locating connectors on the rear of your computer
  • Page 84 – Locating components
  • Page 85 – Locating parts on the system board
  • Page 86 – Locating internal drives; Handling static-sensitive devices
  • Page 87 – • Do not place the part on the computer cover or other metal surface.; Installing or replacing hardware; Use only computer parts provided by Lenovo.; Removing the computer cover; To remove the computer cover, do the following:
  • Page 88 – Removing and reinstalling the front bezel; To remove and reinstall the front bezel, do the following:
  • Page 89 – Installing or replacing a PCI card; To install or replace a PCI card, do the following:
  • Page 91 – amount until it is removed from the card slot.
  • Page 92 – Pivot the card latch to the closed position to secure the PCI card.; Installing or replacing a memory module; parts on the system board” on page 77.
  • Page 93 – module out of the memory slot.; want to install the memory module.
  • Page 94 – Installing or replacing the optical drive; To install or replace an optical drive, do the following:
  • Page 96 – Installing or replacing the card reader
  • Page 97 – on page 89. For replacement, see “Replacing the card reader” on page 91.; Installing the card reader; To install the card reader, do the following:
  • Page 99 – Replacing the card reader; To replace the card reader, do the following:
  • Page 100 – on the system board” on page 77.; Replacing the battery; ThinkCentre
  • Page 101 – Turn on the computer and all attached devices.; Replacing the power supply assembly
  • Page 102 – To replace the power supply assembly, do the following:
  • Page 103 – power supply assembly.; assembly align with those in the chassis.; Replacing the heat sink and fan assembly; To replace the heat sink and fan assembly, do the following:
  • Page 105 – board. See “Locating parts on the system board” on page 77.; Replacing the microprocessor; To replace the microprocessor, do the following:
  • Page 107 – microprocessor in the socket.
  • Page 108 – Replacing the system board; To replace the system board, do the following:
  • Page 109 – system board in place.
  • Page 111 – Replacing the primary hard disk drive
  • Page 113 – Replacing the secondary hard disk drive; installing or replacing a secondary hard disk drive.
  • Page 115 – Replacing the front fan assembly; The front fan assembly is only available in some models.
  • Page 116 – Replacing the rear fan assembly
  • Page 117 – chassis and push the rubber mounts through the holes.
  • Page 118 – Replacing the front audio and USB assembly; To replace the front audio and USB assembly, do the following:
  • Page 119 – Replacing the internal speaker
  • Page 121 – Completing the parts replacement
  • Page 122 – Install the screws to secure the computer cover.
  • Page 129 – Opening the computer cover; To open the computer cover, do the following:
  • Page 131 – front bezel outward to remove it from the computer.
  • Page 132 – Accessing the system board components and drives; To access the system board components and drives, do the following:
  • Page 135 – Rotate the PCI card retainer to the open position.
  • Page 136 – closed position. See “Locating parts on the system board” on page 77.
  • Page 139 – system board. See “Locating parts on the system board” on page 77.
  • Page 140 – the bracket with the corresponding hole in the chassis.
  • Page 142 – Replacing the hard disk drive; To replace the hard disk drive, do the following:
  • Page 143 – up from the optical drive bay.; disk drive from the chassis.
  • Page 145 – Replacing the optical drive; To replace the optical drive, do the following:
  • Page 146 – Press the optical drive lock
  • Page 154 – power supply clip; Use only screws provided by Lenovo.
  • Page 158 – fan assembly” on page 139.
  • Page 161 – microprocessor socket.; Replacing the system fan assembly; To replace the system fan assembly, do the following:
  • Page 162 – “Locating parts on the system board” on page 77.
  • Page 163 – The internal speaker is only available in some models.; Locate the internal speaker. See “Locating components” on page 118.
  • Page 164 – presence switch from the chassis.
  • Page 165 – as shown until it snaps into position.
  • Page 166 – the corresponding hole in the chassis.
  • Page 168 – audio and USB assembly bracket from the chassis.; failing front audio and USB assembly from the bracket.
  • Page 171 – Chapter 10. FRU lists; CRU; means that the part is an Optional-service CRU.; FRUs
  • Page 191 – Mechanical FRUs; The FRU, s listed in the following tables are not illustrated.
  • Page 202 – Keyboard and Mouse; Keyboard - Preferred Pro USB Keyboard
  • Page 257 – Mice
  • Page 258 – Adapters and miscellaneous FRUs
  • Page 262 – Power Cords
  • Page 274 – Recovery discs; Windows 7 Professional 32
  • Page 283 – Windows 7 Home Basic 32 Recovery CD; Windows 7 Home Basic 32
  • Page 286 – Windows 7 Home Premium 32 Recovery CD; Windows 7 Home Premium 32; Windows 7 Home Premium 64 Recovery CD; Windows 7 Home Premium 64
  • Page 291 – Windows 7 Professional 64 Recovery CD; Windows 7 Professional 64
  • Page 299 – Windows XP Professional 32 Recovery CD; Windows XP Professional 32
  • Page 304 – Windows XP Professionally Generic 32 Recovery CD; Windows XP Professionally Generic 32
  • Page 306 – Windows Vista Business 32 Recovery CD; Windows Vista Home Basic 32 Recovery CD
  • Page 333 – The FRUs listed in the following tables are not illustrated.
  • Page 472 – Windows Vista Business 32
  • Page 473 – Windows Vista Home Basic 32
  • Page 477 – Chapter 11. Additional service information; Security features; BIOS Revision Level
  • Page 478 – Updating (flashing) the BIOS from your operating system; the screen after the download begins.; Recovering from a POST and BIOS update failure
  • Page 479 – Power management; RTC resume; This can be either a single event or a daily event.; Wake on LAN; , the computer will turn on when it receives a specific
  • Page 483 – Index
Loading the manual

ThinkCentre
Hardware Maintenance Manual

Machine Types:

4466, 4468, 4471, 4473, 4474, 4476, 4477, 4479,

4480, 4485, 4495, 4496, 4497, 4498, 4499, 4503, 4504, 4512, 4513,
4514, 4517, 4518, 4524, 4554, 7005, 7021, 7023, 7032, 7033, 7034,
7035, 7049, 7052, 7053, 7072, 7073, 7079, 7136, 7177, and 7178

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 4 - “Safety information” on page 3 and Appendix A “Notices” on page 473.

Note: Before using this information and the product it supports, be sure to read and understand Chapter 2 “Safety information” on page 3 and Appendix A “Notices” on page 473. Third Edition (July 2011) © Copyright Lenovo 2011. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pu...

Page 5 - Contents; Chapter 6. Using the Setup Utility; iii

Contents Chapter 1. About this manual . . . . . . 1 Important safety information . . . . . . . . . . 1 Important information about replacing RoHScompliant FRUs . . . . . . . . . . . . . . . 1 Chapter 2. Safety information . . . . . . 3 General safety . . . . . . . . . . . . . . . . 3 Electrical safe...

Page 6 - Chapter 11. Additional service; iv

Replacing the heat sink and fan assembly . . 95 Replacing the microprocessor . . . . . . . 97 Replacing the system board . . . . . . . 100 Replacing the primary hard disk drive . . . . 103 Replacing the secondary hard disk drive. . . 105 Replacing the front fan assembly . . . . . 107 Replacing the r...

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