Compaq Presario CQ42-400 Notebook PC User Guide - Windows 7
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- Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 1
Notebook PC User Guide - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 2
: March 2010 Document Part Number: 595485-002 Product notice This user guide describes features that are common to most models. Some features may not be available on your computer. To obtain the latest information in the Notebook PC User Guide, go to the HP Web site at http://www.hp.com/support. - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 3
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 4
iv Safety warning notice - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 5
Protecting your WLAN ...17 Connecting to a WLAN ...18 Roaming to another network 18 Using Bluetooth wireless devices (select models only 19 Bluetooth and Internet Connection Sharing (ICS 19 Troubleshooting wireless connection problems 20 Cannot connect to a WLAN 20 Cannot connect to a preferred - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 6
22 Cannot connect to the wireless router 22 Connecting to a local area network ...22 3 Pointing devices and keyboard ...24 Using the TouchPad HDMI device (select models only 37 Configuring audio for HDMI (select models only 38 Optical drive ...39 Identifying the installed optical drive 39 Using - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 7
57 Obtaining the latest HP device drivers 58 Obtaining the latest Windows device drivers 58 5 Power management ...59 Setting power options ...59 Using power-saving states 59 Initiating and exiting Sleep 59 Initiating and exiting Hibernation 60 Using the battery meter ...60 Using power - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 8
Hibernation and Sleep 68 Step 3: Discharge the battery 68 Step 4: Fully recharge the battery 69 Step 5: Reenable Hibernation and Sleep 69 Conserving battery power 69 Storing a battery ...69 Disposing of a used battery 70 Replacing the battery ...70 Shutting down the computer ...70 6 Drives - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 9
...92 Installing critical updates ...93 10 Setup Utility (BIOS) ...94 BIOS ...100 Determining the BIOS version 100 Downloading a BIOS update 101 Updating programs and drivers ...102 12 Backup and recovery ...103 Creating recovery discs ...104 Backing up your information ...105 Using Windows - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 10
Performing a recovery ...108 Recovering from the recovery discs 108 Recovering from the dedicated recovery partition (select models only 108 Index ...109 x - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 11
the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. Identifying hardware 1 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 12
TouchPad zone is active, the light is off. Moves the pointer and selects or activates items on the screen. Functions like the left button on an external mouse. Functions like the right button on an external mouse , refer to" Using the TouchPad" section later in this guide. 2 Chapter 1 Features - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 13
● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● White: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. Components 3 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 14
to exit Sleep. ● When the computer is in Hibernation, briefly press the button to exit Hibernation. If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 15
information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Navigate using the Up, Down, Left and Right arrow keys. Execute frequently - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 16
Display Component (1) Internal microphone (2) Integrated webcam (select models only) (3) Integrated webcam light (select models only) Description Records sound. Records audio and video and captures still photographs. On: The integrated webcam is in use. 6 Chapter 1 Features - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 17
Right-side components Component (1) Optical drive (2) Optical drive light (3) USB port (4) RJ-11 (modem) jack (select models only) (5) AC adapter/power/battery light (6) Power connector Description Reads and writes to optical discs. Blinking: The optical drive is being accessed. - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 18
jack (8) Digital Media Slot (select models only) (9) Drive light Description Connects an external VGA monitor or projector. Enables airflow to cool stereo speakers, headphones, earbuds, a headset, or television audio. Supports the following optional digital card formats: ● Memory Stick (MS) - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 19
(5) Hard drive bay Description Holds the battery. Releases the battery from the battery bay. Enable airflow to cool internal components on select models, the wireless LAN (WLAN) device. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 20
from the outside of the computer. NOTE: For optimal transmission, keep the areas immediately around the antennas free from obstructions. To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 21
Component (1) Power cord* (2) AC adapter (3) Battery* *Power cords vary in appearance by country or you purchased the computer, you must obtain a country- or region-specific modem cable adapter (included with select models or purchased separately). The modem must be connected to an analog - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 22
Model description Have this information available when you contact technical support. The service tag label is affixed inside the battery device may be a wireless local area network (WLAN) device or an optional Bluetooth® device. If your computer model includes one or more wireless devices, one or - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 23
, each mobile wireless device communicates with a wireless router or a wireless access point. ● Bluetooth® device (select models only)-Creates a personal area network (PAN) to connect to other Bluetooth-enabled devices such as computers, phones, printers, headsets, speakers, and cameras. In a PAN - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 24
Indicates that one or more network drivers are installed, but no wireless connections are available (or all wireless network devices are disabled by the wireless action key (f12) or HP Wireless Assistant). Using the wireless controls You can control the wireless devices in your computer using these - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 25
Panel > Hardware and Sound > Windows Mobility Center. 2. Click the wireless icon in the Wireless Assistant tile, which is located in the bottom row of Windows® Mobility Center. Wireless Assistant opens. 3. Click Properties. 4. Select the check box next to HP Wireless Assistant icon in notification - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 26
(either DSL or cable) (1) and high-speed Internet service purchased from an Internet service provider (ISP) ● A wireless router (purchased separately) (2) ● The wireless computer (3) The illustration below shows an example of a wireless network installation that is connected to the Internet. As your - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 27
any security. New technologies are being developed by wireless manufacturers and hotspot service providers that make the public environment more secure and hardware. Some networks use a combination of both types. ● Use wireless encryption A variety of sophisticated encryption protocols is available - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 28
security code. Type the code, and then click OK to complete the connection. NOTE: If no WLANs are listed, you are out of range of a wireless router or the user guides included with your wireless router and other WLAN equipment ● Information and Web site links provided in Help and Support For a - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 29
and wireless devices including cellular phones, printers, cameras, and PDAs. The inability to consistently connect two or more computers to share the Internet through Bluetooth is a limitation of Bluetooth and the Windows operating system. Using Bluetooth wireless devices (select models only - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 30
device is listed, either your computer does not have an integrated WLAN device, or the driver for the WLAN device is not properly installed. For more information on troubleshooting WLANs, refer to the Web site links provided in Help and Support. 20 Chapter 2 Wireless, local area network, and modem - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 31
steps: 1. Open your Web browser and go to http://www.hp.com/support. 2. Select your country or region. 3. Click the option for software and driver downloads, and then type your computer model number in the search box. 4. Press enter, and then follow the on-screen instructions. NOTE: If the WLAN - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 32
the router for 10 to 15 seconds. If the computer still cannot make a connection to a WLAN, restart the wireless router. For details, refer to the router manufacturer's instructions. Connecting to a local area network Connecting to a local area network (LAN) requires an 8-pin, RJ-45 network cable - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 33
To connect the network cable: 1. Plug the network cable into the network jack (1) on the computer. 2. Plug the other end of the cable into a network wall jack (2). WARNING! To reduce the risk of electric shock, fire, or damage to the equipment, do not plug a modem or telephone cable into the RJ-45 ( - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 34
3 Pointing devices and keyboard Using the TouchPad The following illustration and table describe the computer is active, the light is off. Moves the pointer and selects or activates items on the screen. Functions like the left button on an external mouse. Functions like the right button on an - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 35
Synaptics icon in the notification area, at the far right of the taskbar, and then check or uncheck Disable gestures. To enable or disable a specific gesture, select Control Panel > Hardware and Sound > Mouse > Device settings > Settings, and then check or clear the check box next to the gesture you - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 36
the TouchPad, and then pull the fingers together to decrease an object's size. Rotating Rotating allows you rotate items such as photos and pages. To your thumb. Setting pointing device preferences Use Mouse Properties in Windows® to customize settings for pointing devices, such as button - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 37
Help and Support, which provides information about your Windows operating system and computer, answers to questions and tutorials, and updates to your computer. Help and Support also provides automated troubleshooting and links to support specialists. f2 Decreases the screen brightness level - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 38
, a wireless network must also be set up. Takes a snapshot or picture of your computer screen and copies it to the clipboard. Using the hotkey A hotkey is a combination of the fn key (1) and the esc key (2). Pressing fn+esc displays information about system hardware components and the system BIOS - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 39
Cleaning the TouchPad and keyboard Dirt and grease on the TouchPad can cause the pointer to jump around on the screen. To avoid this, clean the TouchPad with a damp cloth, and wash your hands frequently when using the computer. WARNING! To reduce the risk of electric - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 40
drive for playing audio and video discs ● Integrated speakers for listening to music ● Integrated microphone for recording your own audio ● Integrated webcam that allows you to capture and share video ● Preinstalled multimedia software that allows you to play and manage your music, movies, and - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 41
Component (1) Internal microphone Description Records sound. (2) Webcam (select models only) Records audio and video and captures still photographs. (3) Webcam light (select models only) Turns on when video software accesses the webcam. (4) Volume down action key (f9) Decreases speaker - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 42
To increase volume incrementally, press the volume up action key (f10) (2). ◦ To mute or restore volume, press the volume mute action key (f11) (3). ● Windows® volume control: a. Click the Speakers icon in the notification area, at the far right of the taskbar. b. Increase or decrease the volume by - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 43
c. Under Behaviors, select Show icon and notifications for the Volume icon. d. Click OK. ● Program volume control: Volume can also be adjusted within some programs. Using the media activity action keys The media activity action keys control the play of an audio CD or a DVD or BD (Blu-ray Disc) that - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 44
Windows Media Player to play an audio CD, click Windows Media Player. NOTE: Some programs may be located in subfolders. Installing multimedia software from a disc To install the optical drive. 2. When the installation wizard opens, follow the on-screen instructions. 3. Restart the computer if you - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 45
programs ● Stream radio programs (select models only) or receive FM radio signals sure to install any drivers required by the external device. NOTE: A driver is a required Click Hardware and Sound. 3. Click Sound. 4. When the Sound window opens, click the Sounds tab. Under Program Events, select any - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 46
: If a properly connected external display device does not display an image, press f4 to transfer the image to the device. Repeatedly pressing f4 alternates the screen image between the computer display and the device. 36 Chapter 4 Multimedia - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 47
models only) Select models include an HDMI (High Definition Multimedia Interface) port. The HDMI port connects the computer to an optional video or audio device, such as a high-definition television, or any compatible digital or audio component. The computer can support instructions. 3. Press - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 48
Configuring audio for HDMI (select models only) To configure HDMI audio, first connect an audio or video device, such as a high-definition TV, to the HDMI port on your computer. Then - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 49
> Computer. You will see a list of all the devices installed in your computer, including your optical drive. You may have one of the following types of drives: ● DVD±RW and CD-RW SuperMulti Double-Layer NOTE: Some of the drives listed above may not be supported by your computer. Optical drive 39 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 50
your computer. The listed drives are not necessarily all of the supported optical drives. Some optical drives can also write to optical discs as described in the following table. Optical drive type Write to CD-RW DVD±RW and CD-RW Yes SuperMulti DL Combo Drive DVD±RW and CD-RW Yes - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 51
the storage capacity of CDs, and BDs have 5 to 6 times the storage capacity of DVDs. NOTE: The optical drive on your computer may not support all the types of optical discs discussed in this section. CD-R discs CD-R (write-once) discs are widely used for creating a permanent copy of data that can - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 52
LightScribe DVD+R discs Use LightScribe DVD+R discs for sharing and storing data, home videos, and photos. These discs are read-compatible with most DVD-ROM drives and DVD video players. With a LightScribe-enabled drive and LightScribe software, you can write data to the disc and then add a designer - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 53
5. Gently press the disc (3) down onto the tray spindle until the disc snaps into place. 6. Close the disc tray. If you have not yet configured AutoPlay, as described in the following section, an AutoPlay dialog box opens. It prompts you to select how you want to use the media content. NOTE: For - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 54
of the computer screen is selected. 3. Click Choose a default, and then select one of the available options for each media type listed. 4. Click password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 2. Click - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 55
write to a disc while the computer is running on battery power. Before writing to a disc, close all the destination disc. Do not use the computer keyboard or move the computer while the computer is instructions, which may be provided on disc, in the software Help, or on the manufacturer's Web - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 56
use software such as Windows Media Player or support all DVD formats. Refer to the user guide that came with your DVD player for a list of supported specific instructions, refer to the software manufacturer's instructions, which may be provided with the software, on disc, or on the manufacturer's Web - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 57
Removing an optical disc (CD, DVD, or BD) 1. Press the release button (1) on the drive bezel to release the disc tray, and then gently pull out the tray (2) until it stops. 2. Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc. Hold the - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 58
devices connected to the computer. 4. Unplug the power cord from the AC outlet. 5. Turn the computer upside down on a flat surface. 6. Remove the battery from the computer. 7. With the hard drive bay toward you, loosen the 2 hard drive cover screws (1) and lift the hard drive cover away from the - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 59
8. Remove the security screw from the optical drive. NOTE: A screw driver may be necessary to loosen the bracket holding the optical drive after the security screw is removed. 9. Remove the optical drive from the optical drive bay. Optical drive 49 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 60
with the notches on the computer, close the hard drive cover (2), and tighten the hard drive screws (3). 12. Reconnect external power and external devices. 13. Replace the battery, turn the computer over, and turn on the computer. 50 Chapter 4 Multimedia - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 61
, or on the manufacturer's Web site. Webcam tips For optimum performance, observe the following guidelines while using the webcam: ● Be sure that you the camera and out of the picture area. NOTE: For details about using your webcam, click the Help menu in the webcam software. Webcam (select models - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 62
the Properties dialog box, which is accessible from various programs that use the webcam, usually from a configuration, settings, or properties menu: ● Brightness-Controls the streaking or silhouetting. For information about using the webcam, select Start > Help and Support. 52 Chapter 4 Multimedia - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 63
Troubleshooting The following sections describe several common issues and solutions. The optical disc tray does not open for removal of a CD, DVD, or BD not fully accessible, tilt the disc carefully as you remove it. 4. Close the disc tray and place the disc in a protective case. Troubleshooting 53 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 64
for hardware changes. Windows scans your system for installed hardware and installs any required drivers. ● Click Properties to see if the device is working properly: ◦ The Properties window provides details about the device to help you troubleshoot issues. ◦ Click the Driver tab to update, disable - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 65
following ways: ◦ Playback may resume. - or - ◦ The playback window in the multimedia program may close. To return to playing the disc, Right-click on a blank area of the computer desktop, and select Screen resolution. 2. Select Advanced Settings > Monitor tab. 3. Select High Color Troubleshooting 55 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 66
as a printer, scanner, camera, or handheld device. A movie desktop, and select Screen resolution. b. Specify this guide, go to Start > Help and Support. disc", for more information about disc types. ● Be sure that the disc driver located in the DVD/CD-ROM drives category in Device Manager. 56 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 67
A DVD playing in Windows Media Player produces no sound or display Use CyberLink PowerDVD 8 to play a DVD. CyberLink PowerDVD 8 is installed on the computer, and is also available from the HP Web site at http://www.hp.com. A device driver must be reinstalled 1. Remove any discs from the optical - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 68
Web browser, go to http://www.hp.com/support, and select your country or region. 2. Click the option for software and driver downloads, type your computer model number in the search box, and then press enter. 3. Click your specific product from the models listed. 4. Click the Windows 7 operating - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 69
blink and the screen clears. Your work initiate any type of networking battery power and 30 minutes of inactivity when running on external power. Power settings and timeouts can be changed using Power Options in Windows keyboard or a button on the remote control. ● Activate the TouchPad. Setting - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 70
stopped working. NOTE: If you have set a password to be required when the computer exits Hibernation, you must enter your Windows password before your work will return to the screen. Using the battery meter The battery meter is located in the notification area, at the far right of the taskbar. The - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 71
The following power plans are available: ● HP recommended ● High performance ● Power saver You can change the settings of these power plans through Power Options. Viewing the current power plan ▲ Click the battery meter icon in the notification area, at the far right of the taskbar. - or - Select - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 72
only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the battery while you are onboard aircraft. ● When you are - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 73
off, the AC adapter is not functioning and should be replaced. Contact technical support for information on obtaining a replacement AC power adapter. Select Start > Help and Support > Get assistance. Using battery power When a charged battery is in the computer and the computer is not plugged into - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 74
battery life ● Information on battery types, specifications, life cycles, and capacity To access battery information: ▲ Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions. Using Battery Check Help and Support provides information on the status of the battery installed - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 75
2. Align the tabs on the battery with the notches on the computer, insert the battery (1), and then pivot the battery downward (2) into the battery bay. The battery release latch (3) automatically locks the battery into place. To remove the battery: 1. Turn the computer upside down on a flat surface - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 76
alerts and system responses can be changed using Power Options in Windows Control Panel. Preferences set using Power Options do not affect lights. Identifying low battery levels The computer takes the following actions for a critical battery level: ● If Hibernation is enabled and the computer is on - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 77
to be calibrated more than once a month. It is also not necessary to calibrate a new battery. Step 1: Fully charge the battery WARNING! Do not charge the computer battery while you are onboard aircraft. NOTE: The battery charges whether the computer is off or in use, but it charges faster when the - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 78
Security > Power Options. 2. Under the current power plan, click Change plan settings. 3. Record the Turn off the display settings listed in the On battery column so that you can reset them after the calibration. 4. Change the Turn off the display settings to Never. 5. Click Change advanced power - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 79
. 6. Reenter the setting that you recorded for On battery. 7. Click OK. 8. Click Save changes. Conserving battery power ● Select the Power saver power plan through Power Options under System and Security in Windows Control Panel. ● Turn off wireless and local area network (LAN) connections and exit - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 80
HP Web site for more information about ordering a replacement battery. If the battery is possibly covered by an HP warranty, instructions include a warranty ID. NOTE: To ensure that you always have battery power when you need it, HP recommends purchasing a new battery to use the Windows Shut down - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 81
then click the Power button. ● Press and hold the power button for at least 5 seconds. ● Disconnect the computer from external power, and then remove the battery. Shutting down the computer 71 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 82
and allow the screen to clear, or a hub. Do not type on the keyboard or move the computer while the optical drive is writing to a disc. The write process is sensitive to vibration. When the battery is the only source of power, be sure that the battery - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 83
drive to a USB port on the computer. USB drives include the following types: ● 1.44-megabyte diskette drive ● Hard drive module (a hard drive with information about required software and drivers, or to learn which computer port to use, refer to the manufacturer's instructions. To connect an external - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 84
works without supervision. Depending on the size of your hard drive and the number schedule, but you can defragment your computer manually at any time. To run Disk installing software, running utilities, or changing Windows settings. Refer to Help and Support screen instructions. 74 Chapter 6 Drives - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 85
Replacing the hard drive CAUTION: To prevent information loss or an unresponsive the power cord from the AC outlet. 5. Turn the computer upside down on a flat surface. 6. Remove the battery from the computer. 7. With the hard drive bay toward you, loosen the 2 hard drive cover screws (1). 8. Lift - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 86
9. Remove the hard drive screws (1) and then drive and then lift the hard drive slightly (2). 10. Disconnect the hard drive cable and lift the hard drive away from the computer. 76 Chapter 6 Drives - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 87
To install a hard drive: 1. Lower the hard drive into the hard drive bay and connect the hard drive cable. 2. Snap the hard drive into place (1) and replace the hard drive screws (2). 3. Align the tabs (1) on the hard drive cover with the notches on the computer. 4. Close the cover (2). Replacing - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 88
5. Tighten the hard drive cover screws (3). 6. Replace the battery. 7. Turn the computer right-side up, and then reconnect external power and external devices. 8. Turn on the computer. 78 Chapter 6 Drives - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 89
as a USB keyboard, mouse, drive, printer, scanner, or hub. Devices can be connected to the system. Some USB devices may require additional support software, which is usually included with the device. For more information about device-specific software, refer to the manufacturer's instructions. The - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 90
Removing a USB device CAUTION: To prevent loss of information or an unresponsive system, use the following procedure to safely remove a USB device. CAUTION: To prevent damage to a USB connector, do not pull on the cable to remove the USB device. To remove a USB device: 1. Click the Safely Remove - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 91
secure data storage and convenient data sharing. These cards are often used with digital media-equipped cameras and PDAs as well as with other computers. The Digital Media Slot supports the following digital card formats: ● Memory Stick (MS) ● Memory Stick Pro (MSP) ● MultiMediaCard (MMC) ● Secure - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 92
. Save your information and close all programs associated with the digital card. NOTE: To stop a data transfer, click Cancel in the operating system Copying window. To remove a digital card: 1. Click the Safely Remove Hardware and Eject Media icon in the notification area, at the far right of the - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 93
the equipment, unplug the power cord and remove all batteries before installing a memory module. CAUTION: Electrostatic discharge (ESD) can a second memory module, be sure that both memory modules are the same size. To add or replace a memory module: 1. Save your work. 2. Shut down the computer and - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 94
7. Loosen the memory module compartment screws (1). Lift the memory module compartment cover (2) away from the computer. 8. If you are replacing a memory module, remove the existing memory module: a. Pull away the retention clips (1) on each side of the memory module. The memory module tilts up. - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 95
tabs (1) on the memory module compartment cover with the notches on the computer. 11. Close the cover (2). 12. Tighten the memory module compartment screws (3). 13. Replace the battery. 85 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 96
14. Turn the computer right-side up, and then reconnect external power and external devices. 15. Turn on the computer. 86 Chapter 8 Memory modules - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 97
you send your computer for service, remove all password settings. Computer risk Security feature Unauthorized use of the computer Unauthorized access to data ● Power-on password ● Firewall software ● Windows updates Unauthorized access to Setup Utility, BIOS settings, and other Administrator - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 98
and Setup Utility passwords and describe their functions. For additional information about Windows passwords, such as screen-saver passwords, select Start > Help and Support. Setting passwords in Windows Password Administrator password User password Function Protects administrator-level access to - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 99
not interchangeable with an administrator password set in Windows, nor is it displayed as it is set "F10 = BIOS Setup Options" message is displayed in the lower-left corner of the screen. 2. Use administrator password, type your current password in the Enter Current Password field, type a new password - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 100
and then pressing f10 while the "F10 = BIOS Setup Options" message is displayed in the lower-left corner of the screen. 2. Use the arrow keys to select restarts. Entering a power-on password At the Enter Password prompt, type your password, and then press enter. After 3 unsuccessful attempts - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 101
. Instructions for using and updating Norton Internet Security software and for purchasing extended update service are provided within the program. ● To access Norton Internet Security, or to get more information about it, click Start > All Programs > Norton Internet Security. NOTE: HP recommends - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 102
of all incoming and outgoing traffic. Refer to the firewall user guide or contact your firewall manufacturer for more information. NOTE: Under on a network, or block authorized e-mail attachments. To temporarily resolve the problem, disable the firewall, perform the task that you want to perform, and - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 103
link at Start > All Programs > Windows Update. ● Run Windows Update at regular intervals, such as once a month. ● Obtain updates to Windows and other Microsoft programs, as they are released, from the Microsoft Web site and through the updates link in Help and Support. Installing critical updates 93 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 104
(BIOS) Starting Setup Utility Setup Utility is a ROM-based information and customization utility that can be used even when your Windows® the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press f10. - or - 1. Open Setup Utility by turning on or restarting the - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 105
for Startup Menu" message is displayed in the lower-left corner of the screen, press f10. - or - Open Setup Utility by turning on or restarting and selecting in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke. ● To - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 106
computer. While the "Press the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press esc. When the Startup Menu is displayed, press f10. 2. Use the arrow keys to select Exit > when you restore the factory default settings. 96 Chapter 10 Setup Utility (BIOS) - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 107
Changes, and then press enter. After either choice, the computer restarts in Windows. Setup Utility menus The menu tables in this section provide an overview of ● View specification information about the processor, memory size, system BIOS, and keyboard controller version (select models only). - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 108
Support Button Sound (select models only) Virtualization Technology (select models only) Processor C6 State (select models only) LAN Power Saving (select models only) Card Reader/1394 Power Saving (select models ● Boot Order―Set the boot order for: ◦ Notebook Hard Drive ◦ Internal CD/DVD ROM Drive ◦ - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 109
installing and troubleshooting the file. To update the software, follow these steps, which are explained in the remainder of this guide: 1. Identify your computer model, product category, and series or family. Prepare for a system BIOS update by identifying the BIOS version currently installed - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 110
updates contain later BIOS versions than those currently installed on the computer, you need to know the version of the system BIOS currently installed. BIOS version information (also known as ROM date and System BIOS) can be displayed by pressing fn+esc (if you are already in Windows) or by opening - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 111
cable, or cord. To download a BIOS update: 1. Access the page on the HP Web site that provides software for your computer: Select Start > Help and Support > Maintain > Software Updates. 2. Follow the instructions on the screen to identify your computer and access the BIOS update you want to download - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 112
and drivers To download and install software other than a BIOS update, follow these steps: To use the HP Web site: 1. Open your Web browser, go to http://www.hp.com/support, and select your country or region. 2. Click the option for software and driver downloads, type your computer model number - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 113
a reasonably current backup. Tools provided by the operating system and HP Recovery Manager software are designed to help you with the following tasks for or driver without performing a full system recovery. ● Performing a full system recovery (Recovery Manager software feature). With Recovery - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 114
finished creating the recovery discs. The next time you open Recovery Manager, you will be prompted to continue the disc creation process. To create a set of recovery discs: 1. Select Start > All Programs > Recovery Manager > Recovery Disk Creation. 2. Follow the on-screen instructions. 104 Chapter - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 115
Save customized settings in a window, toolbar, or menu bar by taking a screen shot of your settings. The screen shot can be a time-saver on the type of optical drive installed in your computer. NOTE: DVDs store more information than CDs, so using them for backup reduces the number of recovery discs - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 116
Restore. 2. Follow the on-screen instructions to set up and create a backup. NOTE: Windows® includes the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 117
point allows you to save and name a snapshot of your hard drive at a specific point in time. You can then recover back to that point if you want to want to create a restore point. 5. Click Create. 6. Follow the on-screen instructions. Restore to a previous date and time To revert to a restore point - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 118
optical drive and restart the computer. 3. Follow the on-screen instructions. Recovering from the dedicated recovery partition (select models only) NOTE: Computers with an SSD may not have a recovery partition. If the computer does not have a recovery partition, you will not be able to recover using - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 119
power 7 conservation, power 69 copyright warning 45 cord, power 11 corporate WLAN connection 18 critical battery level 66 CyberLink PowerDVD 8 software 34 D device drivers HP drivers 58 Windows drivers 58 Diagnostics menu 98 digital card defined 81 inserting 81 removing 82 stopping 82 Digital Media - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 120
5 Windows applications 5 Windows logo 5 L labels Bluetooth 12 modem approval 12 service tag 12 wireless certification 12 WLAN 12 LAN Power Saving 98 language support 98 latch, battery release 9 light power 3 lights caps lock 3 Digital Media Slot 8 optical drive 7 webcam 6 wireless 3 local - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 121
multimedia 34 Windows Media Player 34 Wireless Assistant 15 solid-state drive (SSD) 103, 108 speakers, identifying 4, 31 starting Setup Utility 94 storing battery 69 supported discs 104 System Configuration menu 98 system failure or instability 103 system information 97 system recovery 108 system - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 122
31, 32 volume, adjusting 32 W webcam identifying 6, 31 using 51 webcam light, identifying 6, 31 webcam properties, adjusting 52 webcam tips 51 Windows applications key, identifying 5 Windows logo key, identifying 5 Windows, passwords set in 88 wireless antennas 10 Wireless Assistant software 14, 15 - Compaq Presario CQ42-400 | Notebook PC User Guide - Windows 7 - Page 123
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