Lenovo 90DF Quick Start Manual

Accessing other manuals Replacing or upgrading hardware
Safety information for replacing CRUs
An Important Product Information Guide has been preloaded onto your
computer. To access this guide, do the following: Do not open your computer or attempt any repairs before reading the "Important
safety information" in the Safety, Warranty, Environment, Recycling Information
1. Open the Start menu and then click or tap Lenovo Companion. If Lenovo
Guide and Important Product Information Guide that was included with your
Companion is not displayed on the Start menu, click or tap All apps to
display all programs, and then click or tap Lenovo Companion. computer.
2. Click or tap Support → User Guide. If you no longer have this copy of the Safety, Warranty, Environment, Recycling
Information Guide and Important Product Information Guide, you can obtain
Models without preinstalled operating systems and Virtual Desktop one online from the website at http://www.lenovo.com/UserManuals.
Infrastructure (VDI) clients:
Go to the Lenovo Support Web site to access your manuals. See "Downloading Pre-disassembly instructions
manuals" for additional information.
Before proceeding with the disassembly procedure, make sure that you do the
following:
Downloading manuals 1. Turn off the power to the system and all peripherals.
The latest electronic publications for your computer are available from the 2. Unplug all power and signal cables from the computer.
Lenovo Support Web site. To download the publications,
3. Place the system on a flat, stable surface.
go to: www.lenovo.com/UserManuals.
CRUs for your computer include:
• keyboard
• mouse
• power cord
The parts listed below are optional CRUs for experienced users:
• graphics card
Service and Support information
• fans
• heat sink
Instructions for replacing these parts can be found in the Hardware
The following information describes the technical support that is available for
Maintenance Manual from the Lenovo Support Web Site. To obtain a copy of
your product, during the warranty period or throughout the life of your product.
the Hardware Maintenance Manual, go to: www.lenovo.com/UserManuals.
Refer to the Lenovo Limited Warranty for a full explanation of Lenovo warranty
terms. See "Lenovo Limited Warranty notice" later in this document for details
This part contains instructions for cleaning or replacing the following parts:
on accessing the full warranty. If you purchased Lenovo services, refer to the
• Bottom dust screen (Follow steps:
following terms and conditions for detailed information:
• Memory module (Follow steps:
– For Lenovo Warranty Service Upgrades or Extensions,
• Hard disk drive (Follow steps:
go to: http://support.lenovo.com/lwsu
2 3 6
• Optical drive (Follow steps:
– For Lenovo Accidental Damage Protection Services,
• Front dust screen (Follow steps:
go to: http://support.lenovo.com/ladps
– Online technical support is available during the lifetime of a product at:
http://www.lenovo.com/support
Replacing or upgrading hardware
1
Cleaning bottom dust screen
• optical drive
• memory module
• hard disk drive
• power supply
2
• Wi-Fi card
Removing the computer cover
• CMOS battery
1 )
2 4 )
2 5 )
)
2 3 7 )
Replacing or upgrading hardware Replacing or upgrading hardware
3 5
Removing the front bezel Replacing a hard disk drive
4
Replacing a memory module
1 2
3 4
Replacing or upgrading hardware
6
Replacing an optical drive
ideacentre
Y700/900
Quick Start Guide
7
Cleaning front dust screen
Series