Lenovo 6281, Q190 manual Replacing hardware, General information, Pre-disassembly instructions

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Chapter 8. Replacing hardware

Attention: Do not remove the computer cover or attempt any repair 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: http://consumersupport.lenovo.com.

Note: Use only parts provided by Lenovo.

General information

Pre-disassembly instructions

Before proceeding with the disassembly procedure, make sure that you do the following:

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.

© Copyright Lenovo 2012

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Contents IdeaCentre Q190 Hardware Maintenance Manual Page IdeaCentre Q190 Hardware Maintenance Manual Second Edition December 201217th Copyright Lenovo Contents Iv IdeaCentre Q190Hardware Maintenance Manual About this manual Important Safety InformationIdeaCentre Q190Hardware Maintenance Manual General safety Safety informationElectrical safety IdeaCentre Q190Hardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety noticesTo Connect To Disconnect Do not≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Environment SpecificationsGeneral information Type IdeaCentre Q190IdeaCentre Q190Hardware Maintenance Manual General Checkout IdeaCentre Q190Hardware Maintenance Manual Using passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsSetting, changing, and deleting a Power-On Password Administrator passwordSetting, changing, and deleting a Administrator password Select Save changes and Exit Power-On PasswordSelect Save changes and Exit from the menu Enabling or disabling a deviceSelecting a startup device Select Save changes and ExitSelecting or changing the startup device sequence Exiting from the Setup Utility programError FRU/Action Symptom-to-FRU IndexHard disk drive boot error Power Supply ProblemsUndetermined problems Post error codesPost Error Message Description/Action Symptom-to-FRU Index IdeaCentre Q190Hardware Maintenance Manual Locations Locating components, controls and connectorsFont view Rear view Hardware componentsLocations Identifying parts on the motherboard Replacing hardware Pre-disassembly instructionsGeneral information To replace the optical drive Replacing the optical driveTo remove the computer cover Removing the computer coverIdeaCentre Q190Hardware Maintenance Manual To replace the hard disk drive Replacing the hard disk driveReplacing a memory module To replace a memory module Replacing the Wlan cardTo replace the Wlan card To replace the heat-sink Replacing the heat-sinkTo replace the system fan Replacing the system fanTo replace the motherboard Replacing the motherboardTo replace the keyboard and mouse Replacing the keyboard and mouseFRU lists HMT325S6CFR8C-PB 2GB D3-1600S RAM-HF Item #IO Cover Replacing hardware IdeaCentre Q190Hardware Maintenance Manual Replacing hardware IdeaCentre Q190Hardware Maintenance Manual Automatic Power-On features Additional Service InformationPower management Automatic configuration and power interface Acpi Bios