HP Dm4-2070us manual Adding or replacing memory modules

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9.Tighten the 2 memory module compartment cover screws (3).

10.Replace the battery.

11.Turn the computer right-side up, and then reconnect external power and external devices.

12.Turn on the computer.

Adding or replacing memory modules

The computer has two memory module slots. The capacity of the computer can be upgraded by adding a memory module to the vacant expansion memory module slot or by upgrading the existing memory module in the primary memory module slot.

WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power cord and remove all batteries before installing a memory module.

CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any procedure, ensure that you are discharged of static electricity by touching a grounded metal object.

NOTE: To use a dual-channel configuration when adding a second memory module, be sure that both memory modules are identical.

To add or replace a memory module:

CAUTION: To prevent information loss or an unresponsive system:

Shut down the computer before adding or replacing memory modules. Do not remove a memory module while the computer is on, in the Sleep state, or in Hibernation.

If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the power button. Then shut down the computer through the operating system.

1.Save your work and shut down the computer.

2.Disconnect all external devices connected to the computer.

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Contents Getting Started Product notice Safety warning notice Iv Safety warning notice Table of contents Contacting customer support Labels Vii Viii Finding information WelcomeResources For information about Finding informationFinding information TouchPad Getting to know your computerTop Lights Component Description Power light White Power is onGetting to know your computer Buttons Fn key KeysFront Right side Left side Regulatory, Safety and Environmental NoticesGetting to know your computer Youcam DisplayRear Bottom Networking Connecting to an existing Wlan Using an Internet service provider ISPConnecting to a wireless network Setting up a new Wlan network Configuring a wireless router Keyboard and pointing devices Using the action keys Using the keyboardUsing the TouchPad Using pointing devicesSetting pointing device preferences Turning the TouchPad off and on Selecting Scrolling Rotating Inserting or removing the battery MaintenancePage Removing the hard drive Replacing or upgrading the hard drivePage Installing a hard drive Page Adding or replacing memory modules Page Page Page Updating programs and drivers Routine care Cleaning the displayCleaning the TouchPad and keyboard Backup and recovery Creating restore media RestorePerforming a system restore Restoring using the restore media Changing the computer boot order Backing up and recovering your informationUsing Windows Backup and Restore When to create restore points Using Windows system restore pointsCustomer support Contacting customer support Component LabelsSpecifications Input power Operating environment Wlan IndexHdmi USB