HP 20-k014us Mobile, 20-k127cl Mobile manual Specifications, Input power, Operating specifications

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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 specifications

NOTE: To see the electrical ratings, refer to your computer’s ratings label, located on the outside of the computer.

Factor

Metric

U.S.

 

 

 

Operating temperature

5°C to 35°C

41°F to 95°F

 

 

 

Storage temperature

–30°C to 65°C

–22°F to 149°F

 

 

 

Operating humidity

15% to 80% @ 26°C

15% to 80% @ 78°F

 

 

 

Operating altitude

0 m to 2000 m

0 ft to 6561 ft

 

 

 

Storage altitude

0 m to 4572 m

0 ft to 15,000 ft

 

 

 

Input power 53

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Performing routine maintenance Wireless connection problems Vii Input power Operating specifications Best practices Starting rightFun things to do More HP resources Resource ContentsMore HP resources Finding your hardware and software information Getting to know your computerFront Locating hardwareRight side Right sideEnvironmental Notices Left side Top BackLabels BottomIdentifying the labels Connecting to a wireless network Connecting to a networkUsing the wireless controls Using an Internet service providerConfiguring a wireless router Setting up a WlanProtecting your Wlan Connecting to a Wlan Connecting to a local area network LAN Connecting to a wired networkVolume control Enjoying entertainment featuresUsing the webcam Using audioConnecting headphones Using videoUsing Beats Audio Accessing Beats AudioUsing touch screen gestures Navigating using the keyboard and pointing devicesOne-finger slide Scrolling TappingRotating select models only Pinching/stretchingEdge swipes Left-edge swipe Right-edge swipeTop-edge swipe and bottom-edge swipe Fn key Using the keyboardIcon Key Description Using the action keysUsing the integrated numeric keypad Using Microsoft Windows 8 shortcut keysNum lock key Initiating Sleep and Hibernation Managing powerIntel Rapid Start Technology select models only Manually initiating and exiting SleepHP CoolSense select models only Setting password protection on wakeupManually initiating and exiting Hibernation Shutting down turning off the computer Managing and sharing information Using a USB deviceRemoving a USB device Connecting a USB deviceInserting and removing a memory card Using Disk Cleanup Performing routine maintenanceUsing Disk Defragmenter Maintaining peak performanceCleaning products Cleaning your computerCleaning procedures Setting Windows passwords Using security measuresUsing Internet security software Setting Setup Utility Bios passwordsInstalling software updates Installing Windows updatesUpdating software Updating the Bios Starting Setup Utility BiosDetermining the Bios version Downloading a Bios update Using HP PC Hardware Diagnostics UefiDiagnostic section, click HP Uefi Support Environment Downloading HP PC Hardware Diagnostics Uefi to a USB deviceCreating 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 recoveryUsing the HP Recovery partition select models only Recovering using HP Recovery ManagerWhat you need to know Using HP Recovery media to recover Removing the HP Recovery partitionChanging the computer boot order Page Wireless connection problems TroubleshootingCannot connect to a Wlan Cannot connect to a preferred networkCurrent network security codes are unavailable Cannot connect to the wireless routerHard drive error Power problemsNetwork status icon is not displayed Computer will not turn on or startKeyboard and mouse problems Display problemsComputer is not responding Computer shuts down unexpectedlyPage No sound is produced Audio problemsSoftware problems Input power SpecificationsOperating specifications Electrostatic Discharge Index Bios
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