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HP EliteBook 2760p Getting Started HP Notebook - Windows 7 - Page 65

Specifications, Input power, Operating environment - power supply

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9 Specifications ● Input power ● Operating environment 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. Input power Operating voltage and current Rating 18.5 V dc @ 3.5 A - 65W 19.5 V dc @ 3.33 A 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 Temperature Operating (writing to optical disc) Nonoperating Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating Nonoperating Metric 5°C to 35°C -20°C to 60°C 10% to 90% 5% to 95% -15 m to 3,048 m -15 m to 12,192 m U.S. 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% -50 ft to 10,000 ft -50 ft to 40,000 ft Input power 57

Section	Page
Welcome	9
Finding information	10
Getting to know your computer	12
Top	12
TouchPad	12
Lights	13
Buttons	15
Keys	16
Front	17
Right	18
Left	19
Display	20
Rear	21
Bottom	22
HP QuickWeb	23
Starting HP QuickWeb	23
Networking	24
Using an Internet service provider (ISP)	24
Connecting to a wireless network	25
Connecting to an existing WLAN	25
Setting up a new WLAN network	25
Configuring a wireless router	26
Protecting your WLAN	26
Keyboard and pointing devices	27
Using the keyboard	27
Identifying the hotkeys	27
Using keypads	28
Using the embedded numeric keypad	29
Turning the embedded numeric keypad on and off	30
Switching key functions on the embedded numeric keypad	30
Using an optional external numeric keypad	30
Rotating the display	30
Setting auto panel rotation preferences	32
Using pointing devices	32
Setting pointing device preferences	32
Using the pointing stick	32
Using the TouchPad	32
Turning the TouchPad off and on	33
Navigating	33
Selecting	34
Using TouchPad gestures	34
Scrolling	35
Pinching/Zooming	35
Using the digitizer pen	35
Identifying the pen components	35
Holding the pen	36
Storing the pen	37
Using touch screen gestures	37
Tapping (or clicking)	37
Flicking	38
Dragging	38
Scrolling	39
Rotating	39
Pinching/Zooming	40
Setting touch screen preferences	40
Maintenance	41
Inserting or removing the battery	41
Replacing or upgrading the hard drive	42
Removing the hard drive	42
Installing a hard drive	43
Adding or replacing memory modules	45
To add or replace the primary memory module:	45
To add or replace the secondary memory module:	51
Updating programs and drivers	55
Backup and recovery	56
Windows 7	56
Backing up your information	56
Performing a system recovery	57
Using the Windows recovery tools	57
Using f11 recovery tools	58
Using a Windows 7 operating system DVD (purchased separately)	58
Windows Vista	59
Backing up your information	59
Performing a recovery	60
Using the Windows recovery tools	60
Using f11 recovery tools	61
Using a Windows Vista operating system DVD (purchased separately)	61
Customer support	63
Contacting customer support	63
Labels	64
Specifications	65
Input power	65
Operating environment	65