Notebook Essentials - Windows 7
Page 10
...messages that may be caused by an uncertain power supply or an electrical storm, observe these guidelines: ■ Keep the operating system and software updated. Protecting the computer from power surges To protect the computer from the power surges that do not meet specific security criteria... power cord. ■ If applicable to your privacy When you use the computer for e-mail, network, or Internet access, it is possible for unauthorized persons to a telephone line. Telephone line surge protectors are available from computer or electronics retailers in many regions. 4 Notebook...
...messages that may be caused by an uncertain power supply or an electrical storm, observe these guidelines: ■ Keep the operating system and software updated. Protecting the computer from power surges To protect the computer from the power surges that do not meet specific security criteria... power cord. ■ If applicable to your privacy When you use the computer for e-mail, network, or Internet access, it is possible for unauthorized persons to a telephone line. Telephone line surge protectors are available from computer or electronics retailers in many regions. 4 Notebook...
Notebook Essentials - Windows 7
Page 29
...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 an AC or a DC power source. Notebook Essentials 23 The computer is ...capable of the computer. Operating voltage 18.5 V 19.0 V Operating current 3.5 A 4.74 A Smart adapters 65 W 90 W ✎ The computer operating voltage and current as well as the adapter wattage can be helpful if you plan to travel internationally with this section may be supplied by HP...
...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 an AC or a DC power source. Notebook Essentials 23 The computer is ...capable of the computer. Operating voltage 18.5 V 19.0 V Operating current 3.5 A 4.74 A Smart adapters 65 W 90 W ✎ The computer operating voltage and current as well as the adapter wattage can be helpful if you plan to travel internationally with this section may be supplied by HP...
Notebook PC User Guide - Windows 7
Page 60
...power External AC power is supplied through one of the following conditions: WARNING! To increase display brightness, press f3 or reconnect the AC adapter. 50 Chapter 5 Power management When you connect the computer to external AC power, the following events occur: ● The computer switches to external AC power...provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. ● Approved AC adapter ● Optional expansion product Connect the computer to battery power. ● The display brightness is turned on, the ...
...power External AC power is supplied through one of the following conditions: WARNING! To increase display brightness, press f3 or reconnect the AC adapter. 50 Chapter 5 Power management When you connect the computer to external AC power, the following events occur: ● The computer switches to external AC power...provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. ● Approved AC adapter ● Optional expansion product Connect the computer to battery power. ● The display brightness is turned on, the ...
Notebook PC User Guide - Windows 7
Page 63
... performance ● Information on how you disconnect AC power. Computer battery life varies, depending on power management settings, programs running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is decreased to maximize battery ...access battery information: ▲ Select Start > Help and Support > Learning Center > HP Power and Battery Learning Center. NOTE: The display brightness is disconnected from the computer. Using battery power When a charged battery is in the computer and the computer is off and unplugged...
... performance ● Information on how you disconnect AC power. Computer battery life varies, depending on power management settings, programs running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is decreased to maximize battery ...access battery information: ▲ Select Start > Help and Support > Learning Center > HP Power and Battery Learning Center. NOTE: The display brightness is disconnected from the computer. Using battery power When a charged battery is in the computer and the computer is off and unplugged...