HP E2S18UAABA manual Specifications, Input power, Operating environment

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12 Specifications

Input power

The power information in this section may be helpful if you plan to travel internationally with the computer.

The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered from a standalone DC power source, it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this computer.

The computer can operate on DC power within the following specifications. Operating voltage and current varies by platform.

Input power

Rating

 

 

Operating voltage and current

19.5 V dc @ 3.33 A – 65 W

 

 

DC plug of external HP power supply

 

NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms.

NOTE: The computer operating voltage and current can be found on the system regulatory label.

Operating environment

Factor

Metric

U.S.

 

 

 

Temperature

 

 

 

 

 

Operating

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

 

 

 

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Contents User Guide Software terms Product noticeSafety warning notice Iv Safety warning notice Table of contents Enjoying entertainment features Using the hot keys Securing your computer and information Input power Operating environment Page Fun things to do Starting rightBest practices More HP resources Resource ContentsMore HP resources Locating software Getting to know your computerFinding your hardware and software information Locating hardwareSelect User guides Right sideComponent Description Left side See Using HP 3D DriveGuard select models onlyDisplay TouchPad TopLights Buttons and speakers Fn key KeysSupport BottomComponent LabelsModel number select models only Revision number Using the wireless button Connecting to a networkConnecting to a wireless network Using the wireless controlsUsing a Wlan Sharing data and drives and accessing softwareConfiguring a wireless router Using an Internet service providerSetting up a Wlan Protecting your Wlan Connecting to a WlanConnecting to a local area network LAN Connecting to a wired networkUsing Bluetooth wireless devices select models only Multimedia features Enjoying entertainment featuresConnecting speakers Using the webcamUsing audio Checking the sound Using videoConnecting headphones Connecting a microphoneConnecting a VGA monitor or projector Configuring Hdmi audio settings Connecting an Hdmi deviceManaging your audio and video files select models only Using TouchPad gestures Using the TouchPadScrolling TappingRotating select models only Pinching/zoomingFlicking select models only Finger click select models onlyTop-edge swipe Edge swipesRight-edge swipe Left-edge swipe One-finger slide Using touch screen gestures select models onlyTapping Pinching/stretching Edge swipes Top-edge swipe and bottom-edge swipe Using the keyboard and mouseUsing the keys Icon Key Description Using the action keysFunction Hot key Description Using Microsoft Windows 8 shortcut keysUsing the hot keys Shortcut Key DescriptionManually initiating and exiting Sleep Managing powerInitiating Sleep and Hibernation Setting password protection on wakeup Using the power meter and power settingsRunning on battery power Finding battery information Removing a user-replaceable batteryResolving a low battery level Conserving battery powerIdentifying low battery levels Replacing a user-replaceable battery Running on external AC powerStoring a user-replaceable battery Disposing of a user-replaceable batteryHP CoolSense select models only Troubleshooting power problemsShutting down turning off the computer Type Description Using a USB deviceConnecting a USB device Managing and sharing informationRemoving a USB device Inserting and removing a memory cardPage Replacing a hard drive Maintaining your computerImproving performance Handling drivesPage Page Identifying HP 3D DriveGuard status Using HP 3D DriveGuard select models onlyAdding or replacing memory modules Using Disk DefragmenterUsing Disk Cleanup Page Page Updating programs and drivers Cleaning your computerCleaning the TouchPad, keyboard, or mouse Cleaning proceduresCleaning the display All-in-Ones or Notebooks Cleaning the sides or coverTraveling with or shipping your computer Securing your computer and information Using passwordsComputer risk Security feature Password Function Using Internet security softwareSetting Windows passwords Setting Setup Utility Bios passwordsInstalling critical security updates Installing software updatesUsing antivirus software Using firewall softwareBacking up your software applications and information Securing your wireless networkUsing an optional security cable lock Determining the Bios version Starting Setup Utility BiosUpdating the Bios Downloading a Bios update Using HP PC Hardware Diagnostics UefiDownloading HP PC Hardware Diagnostics Uefi to a USB device Creating recovery media and backups Backing up, restoring, and recoveringCreating HP Recovery media Restore and recovery Remove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryWhat you need to know Recovering using HP Recovery ManagerUsing the HP Recovery partition select models only Changing the computer boot order Using HP Recovery media to recoverRemoving the HP Recovery partition Operating environment SpecificationsInput power Electrostatic Discharge Index BiosWlan