Having problems with your HP Pavilion dv9000z Notebook ?

Computer hardware-software safety

\015 Can you give me bprecautions before installing softwares? \015\012safety precautions before troubleshooting computers?\015\012what is defragmentation of hard disk?and how does it works?\015

Answers :

First and formost, back up your operating system and any other programs you would like to keep, also have backup copies of you documents and pictures.
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\015\012Next, create a restore point on your computer so if your problem gets worse you can roll back the system. This can be done by using System Restore in the system option of your start menue,
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\015\012And always have a backup operating system (OS) disc so if things dont work out the way you plan you can re-install a fresh copy.
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\015\012As far as hardware, always make sure your device is unplugged, and in portable units such as laptops, PDA's and mp3 units make sure to remove the battery and backup battery as well. If possible use a static grounding strap (A wrist strap that connects you to whatever device you are working on to prevent static shock) a static shock could cause hardware malfunction.
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