Lenovo M4350 Desktop- User Manual

Lenovo M4350 Desktop

Lenovo M4350 Desktop– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – under Appendix A “Notices” on page 109.
  • Page 3 – Contents
  • Page 4 – ii
  • Page 5 – About this manual; desktop computers listed on the
  • Page 7 – Chapter 1. Safety information; General safety; that you think are too heavy for you.; Electrical safety
  • Page 9 – Consider these conditions and the safety hazards they present:
  • Page 11 – • Throw or immerse into water
  • Page 14 – PERIGO
  • Page 16 – pode resultar em exposição prejudicial à radiação.; Utilize procedimentos de segurança para levantar equipamentos.
  • Page 20 – DANGER; Pour éviter tout risque de choc électrique :; l'exposer à des températures supérieures à 100°C,
  • Page 22 – • mit Wasser in Berührung bringen.
  • Page 23 – VORSICHT
  • Page 26 – Gettare o immergere la batteria nell'acqua
  • Page 30 – Arrojarla al agua o sumergirla en ella
  • Page 31 – Adopte procedimientos seguros al levantar el equipo.
  • Page 33 – Chapter 2. General information; Specifications; This section lists the specifications for your computer.
  • Page 34 – Lenovo Support Web site
  • Page 35 – Chapter 3. General checkout; Attention; did not; Problem determination tips
  • Page 37 – Chapter 4. Troubleshooting and diagnostics; Basic troubleshooting
  • Page 39 – Audio problems; No audio in Windows; On
  • Page 40 – CD problems
  • Page 41 – A CD or DVD does not work; DVD problems; Black screen instead of DVD video
  • Page 42 – Intermittent problems
  • Page 44 – All or some keys on the keyboard do not work; Hardware and Sound; The mouse or pointing device does not work
  • Page 45 – Monitor problems; Wrong characters appear on the screen
  • Page 46 – The image appears to be flickering; The image is discolored; Networking problems; Ethernet problems
  • Page 49 – Option problems; An option that was just installed does not work; Performance and lockup problems
  • Page 51 – Insufficient memory; Symptom: Insufficient memory; Printer problems; The printer is turned on and is online.; Serial port problems
  • Page 52 – Software problems; When using a sort feature, dates do not sort in the correct order; Start; USB problems
  • Page 53 – Diagnostics; for the latest information on diagnostics for your computer.
  • Page 55 – Chapter 5. Using the Setup Utility program; Starting the Setup Utility program; Save Changes and Exit; Viewing and changing settings
  • Page 56 – Security
  • Page 57 – Devices; Selecting a startup device
  • Page 59 – Exiting the Setup Utility program
  • Page 61 – Hard disk drive boot error; Power supply problems; If you suspect a power problem, use the following procedures.; Beep symptoms
  • Page 62 – POST error codes; POST
  • Page 64 – Miscellaneous error messages
  • Page 65 – Undetermined problems; If you encounter undetermined problems, do the following:
  • Page 68 – Locating connectors on the rear of your computer
  • Page 69 – Locating major FRUs
  • Page 72 – Locating parts on the system board
  • Page 73 – Locating internal drives
  • Page 75 – Chapter 8. Replacing FRUs; page 1. These precautions and guidelines will help you work safely.; Handling static-sensitive devices; • 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
  • Page 76 – Removing and reinstalling the front bezel
  • Page 77 – To remove and reinstall the front bezel, do the following:
  • Page 78 – Replacing the primary hard disk drive; To replace the primary hard disk drive, do the following:
  • Page 80 – Replacing the thermal sensor; To replace the thermal sensor, do the following:
  • Page 81 – Pull the entire thermal sensor out of the chassis.
  • Page 82 – Replacing the front audio and USB assembly; To replace the front audio and USB assembly, do the following:
  • Page 83 – with the corresponding hole in the chassis.; Replacing the optical drive; The optical drive is only available in some models.
  • Page 85 – Replacing the power supply assembly; Hazardous moving parts. Keep fingers and other body parts away.
  • Page 86 – assembly align with those in the chassis.
  • Page 87 – Replacing the system fan; To replace the system fan, do the following:; chassis and push the rubber mounts through the holes.
  • Page 88 – parts on the system board” on page 66.; Installing or replacing a PCI card; To install or replace a PCI card, do the following:
  • Page 90 – amount until it is removed from the card slot.
  • Page 91 – Replacing the battery
  • Page 92 – might be displayed. This is normal after replacing the battery.; Installing or replacing a memory module; To install or replace a memory module, do the following:
  • Page 93 – module out of the memory slot.; want to install the memory module.
  • Page 94 – Replacing the heat sink and fan assembly
  • Page 96 – Replacing the microprocessor
  • Page 97 – on the microprocessor.
  • Page 98 – microprocessor in the socket.; Replacing the system board; To replace the system board, do the following:
  • Page 100 – Replacing the WiFi units; Removing the WiFi adapter card
  • Page 101 – the Bluetooth cable from the WiFi adapter card.; connector on the system board to support the Bluetooth function.
  • Page 102 – small amount until it is removed from the card slot.; Removing the WiFi card module; To remove the WiFi card module, do the following:
  • Page 103 – Installing the WiFi units; To install the WiFi units, do the following:
  • Page 104 – the WiFi card module to the WiFi adapter card.
  • Page 105 – the system board” on page 66.
  • Page 106 – Installing or removing the rear WiFi antenna; Installing the rear WiFi antenna; To install the rear WiFi antenna, do the following:; Removing the rear WiFi antenna; To remove the rear WiFi antenna, do the following:
  • Page 107 – Installing or removing the front WiFi antenna; Installing the front WiFi antenna; To install the front WiFi antenna, do the following:
  • Page 108 – hole in the front panel.; Connect the front antenna cable to the WiFi card module.
  • Page 109 – Removing the front WiFi antenna; To remove the front WiFi antenna, do the following:; Completing the parts replacement
  • Page 110 – If there is an integrated cable lock available, lock the computer.
  • Page 111 – Chapter 9. Additional service information; Security features in this section include the following:
  • Page 113 – Updating (flashing) the BIOS from your operating system; the screen after the download begins.; Recovering from a POST and BIOS update failure; “Completing the parts replacement” on page 103.
  • Page 114 – Turn on the computer to restart the operating system.; Power management; automatically. This can be either a single event or a daily event.
  • Page 117 – Index
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Lenovo M4350
Hardware Maintenance Manual

Machine Types:

90AG and 10154

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Summary

Page 2 - under Appendix A “Notices” on page 109.

Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 109. First Edition (August 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Adm...

Page 3 - Contents

Contents About this manual . . . . . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 1 Voltage-selection switch . . . . . . . . . . . . 3 Safety inspection guide . . . . . . . . . . . ....

Page 4 - ii

Replacing the heat sink and fan assembly . . 88 Replacing the microprocessor . . . . . . . 90 Replacing the system board . . . . . . . 92 Replacing the WiFi units . . . . . . . . . 94 Installing or removing the rear WiFi antenna . . 100 Installing or removing the front WiFiantenna . . . . . . . . . ...

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