Replacing hardware B series aio (ideacentre) Lenovo B350 All-in-One (ideacentre) - Type 10133

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User Guide

Replacing hardware

  Attention: Do not remove the computer cover or attempt any repairs 

before reading the “Important safety information” in the Safety and 
Warranty Guide
 that was included with your computer or in the Hardware 
Maintenance Manual
(HMM) for the computer. To obtain copies of the
Safety and Warranty Guide or HMM, go to the Support Web site at:

  Note: Use only parts provided by Lenovo.

General information

Pre-disassembly instructions

Before proceeding with the disassembly procedure, make sure that you do the 
1.  Turn off the power to the system and all peripherals.
2.  Unplug all power and signal cables from the computer.
3.  Place the system on a flat, stable surface.

Removing the computer cover

  Attention: Turn off the computer and wait 3 to 5 minutes to let it cool 

down before removing the cover.

  Note: It may be helpful to place the computer face-down on a soft flat 

surface for this procedure. Lenovo recommends that you use a blanket,
towel, or other soft cloth to protect the computer screen from scratching 
or other damage.

To remove the computer cover

1.  Remove any media (disks, CDs, or memory cards) from the drives, shut down 

the operating system, and turn off the computer and all attached devices.

2.  Unplug all power cords from electrical outlets.
3.  Disconnect all cables attached to the computer. This includes power cords, 

input/output (I/O) cables, and any other cables that are connected to the 
computer. Refer to “Left and right view” and “Rear view” for help with locating 
the various connectors.