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8 Maintaining your computer
It is important to perform regular maintenance to keep your computer in optimal condition. This
chapter provides information about improving the performance of your computer by running tools
such as Disk Defragmenter and Disk Cleanup and by replacing a hard drive or adding memory. It also
provides information about updating your programs and drivers, instructions for cleaning your
computer, and tips for travelling with your computer.
Improving performance
Everyone wants a fast computer and by performing regular maintenance tasks, using tools such as
Disk Defragmenter and Disk Cleanup, you can drastically improve the performance of your computer.
Also, as your computer gets older, you might consider installing larger drives and adding more
memory.
Handling drives
Observe these precautions when handling drives:
●
Before removing or installing a drive, shut down the computer. If you are unsure whether the
computer is off, in the Sleep state, or in Hibernation, turn the computer on, and then shut it down
through the operating system.
● Before handling a drive, discharge static electricity by touching the unpainted metal surface of
the drive.
●
Do not touch the connector pins on a removable drive or on the computer.
● Do not use excessive force when inserting a drive into a drive bay.
● When the battery is the only source of power, be sure that the battery is sufficiently charged
before writing to media.
● If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective
packaging and label the package “FRAGILE.”
●
Avoid exposing a drive to magnetic fields. Security devices with magnetic fields include airport
walk-through devices and security wands. Airport conveyer belts and similar security devices
that check carry-on baggage use X-rays instead of magnetism and do not damage drives.
●
Remove media from a drive before removing the drive from the drive bay, or traveling with,
shipping, or storing a drive.
52 Chapter 8 Maintaining your computer
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Starting right 11
- Fun things to do 12
- More HP resources 13
- Right side 14
- Right side 5 15
- Left side 16
- Left side 7 17
- TouchPad 19
- Buttons and speakers 21
- Bottom 13 23
- 3 Connecting to a network 25
- Using the wireless controls 26
- Using a WLAN 27
- Setting up a WLAN 28
- Configuring a wireless router 28
- Protecting your WLAN 28
- Connecting to a WLAN 29
- Connecting to a wired network 30
- Using the webcam 33
- Using audio 33
- Using video 34
- Using the keyboard 38
- Using the hot keys 39
- Using the keypad 40
- Using the TouchPad 41
- Navigating 42
- Selecting 42
- Using TouchPad gestures 43
- Scrolling 44
- Pinching/Zooming 44
- Rotating 45
- 6 Managing power 46
- Using Sleep or Hibernation 47
- Using the power meter 49
- Selecting a power plan 50
- Running on battery power 51
- Conserving battery power 52
- Running on external power 54
- HP CoolSense 55
- Shutting down the computer 55
- Using a USB device 56
- Removing a USB device 57
- Using optical drives 59
- Inserting an optical disc 60
- Removing an optical disc 60
- Sharing drives on the network 61
- 8 Maintaining your computer 62
- Replacing a hard drive 63
- Using Disk Defragmenter 65
- Using Disk Cleanup 65
- 10. Replace the service door 69
- 11. Replace the battery 69
- 13. Turn on the computer 69
- Improving performance 59 69
- Updating programs and drivers 70
- Cleaning your computer 71
- 9 Securing your computer and 73
- Using passwords 74
- Installing software updates 76
- Diagnostics 78
- Determining the BIOS version 79
- Downloading a BIOS update 79
- Using System Diagnostics 80
- Creating backups 81
- What you need to know 82
- Tips for a successful backup 83
- Restore and recovery 85
- 12 Specifications 88
- Operating environment 89
- ● Troubleshooting 90
- Contacting customer support 90
- Troubleshooting 91
- Cannot connect to a WLAN 92
- WLAN connection is very weak 93
- Audio problems 94
- Power management problems 94
- Resolving a low battery level 95
- Troubleshooting an AC adapter 95
- 14 Electrostatic Discharge 97
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