HP Dm4-2070us manual Operating environment

Page 59

Operating environment

Factor

Metric

U.S.

 

 

 

Temperature

 

 

 

 

 

Operating (writing to optical disc)

5°C to 35°C

41°F to 95°F

 

 

 

Nonoperating

-20°C to 60°C

-4°F to 140°F

 

 

 

Relative humidity (noncondensing)

 

 

 

 

 

Operating

10% to 90%

10% to 90%

 

 

 

Nonoperating

5% to 95%

5% to 95%

 

 

 

Maximum altitude (unpressurized)

 

 

 

 

 

Operating

-15 m to 3,048 m

-50 ft to 10,000 ft

 

 

 

Nonoperating

-15 m to 12,192 m

-50 ft to 40,000 ft

 

 

 

Operating environment 51

Image 59
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