1. Hard confidentiality:HP NC6400 Battery users can set their own hard disk drive password, the BIOS setup program's Security menu to set, the system boot process will check your hard drive password. This way, when your hard disk drive to be somebody else to use, if he did not provide the password will not be able to use Fengyun hard drive, can not boot, but also to ensure that data will not be stolen by others.

2. System confidentiality: In the BIOS setup program's Security menu can also set a user password, and in each boot or enter BIOS setup program will ask when the system administrator password. Thus, to avoid unauthorized users from operating your computer.

If you set the above two kinds of password, the system at boot time,HP NC8230 Battery the first hard disk drive password will be asked, then ask your system password (the password can be set to two different numbers). Remind you to set the complete password, you should keep your password information, contact the factory must be supported if forgotten.

Flooding

* Must not rashly start, or make more severe damage to the notebook

* Immediately remove the notebook computer's power cord and battery, if any external or removable module components (such as CD-ROM drive, floppy disk machine, expanded memory) be removed.

* To the body of water laptop back light as possible, find a soft wet towel or soft cloth to gently wipe away the sludge, and to avoid the worn surface.
* Then fan will dry the body and parts, and the first time at a service station by a trained professional engineers to handle, so as to minimize the damage to a minimum program.

Out using

* Step 1: Identify all the backups have been fully charged battery power,HP NC8430 Battery you can look at the operating system, battery power display.

* Step 2: Turn off the notebook computer power switch.

* Step 3: The LCD screen cover off and determine the orientation above truly stuck.
* Step 4: Unplug the AC power cord.
* Step 5: Unplug all cables.
* Step 6: Add special backpack laptop inside to prevent dust pollution and impact in practice, and care not a laptop-specific backpack placed too many items to avoid crushing liquid crystal display glass.

Maintain a good energy saving habits

Electric power through the battery in task performance, if able to maintain a good energy saving habits, one can not only reduce energy consumption, on the other hand can extend battery life. Therefore,camcorder battery even if you have the laptop features built-in power switch to the open state, however, the following energy-saving cultivation management practices is very important, be sure to keep in mind.