Compaq Presario CQ42-100 Notebook PC User Guide - Windows 7
Compaq Presario CQ42-100 - Notebook PC Manual
View all Compaq Presario CQ42-100 manuals
Add to My Manuals
Save this manual to your list of manuals |
Compaq Presario CQ42-100 manual content summary:
- Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 1
Notebook PC User Guide - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 2
: March 2010 Document Part Number: 594160-001 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 CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 4
iv Safety warning notice - Compaq Presario CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 6
unavailable 21 WLAN connection is very weak 22 Cannot connect to the wireless router 22 Connecting to a local area network ...22 3 Pointing or projector 37 Connecting an HDMI device (select models only 38 Configuring audio for HDMI (select models only 39 Optical drive ...40 Identifying the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 7
be reinstalled 58 Obtaining the latest HP device drivers 59 Obtaining the latest Windows device drivers 59 5 Power management Setting power options ...60 Using power-saving states 60 Initiating and exiting Sleep 60 Initiating and exiting Hibernation 61 Using the battery meter ...61 Using power - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 8
battery 65 Charging a battery ...66 Maximizing battery discharge time 67 Managing low battery levels 67 Identifying low battery levels 67 Resolving a low battery level 68 Resolving a low battery Slot cards ...82 Inserting a digital card ...82 Removing a digital card ...83 8 Memory modules viii - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 9
...93 Installing critical updates ...94 10 Setup Utility (BIOS) Starting Setup Utility ...95 Using Setup Utility ...96 Changing the language of 99 11 Software updates Updating the BIOS ...101 Determining the BIOS version 101 Downloading a BIOS update 102 Updating programs and drivers ...103 12 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 10
Performing a recovery ...109 Recovering from the recovery discs 109 Recovering from the dedicated recovery partition (select models only 109 Index ...110 x - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 11
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 12
up or down inside the right edge of the TouchPad. For more information about TouchPad features, refer to" Using the TouchPad" section later in this guide. 2 Chapter 1 Features - Compaq Presario CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 14
Button and speakers Component (1) Speakers (2) (2) Power button Description Produce sound. ● When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button briefly to initiate Sleep. ● When the computer is in the Sleep state, briefly press the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 15
Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Navigation keys (6) Action keys Description Displays system information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. - Compaq Presario CQ42-100 | 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 CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 18
(7) Audio-out (headphone) jack (8) Digital Media Slot (select models only) (9) Drive light Description Connects an external VGA monitor or Supports the following optional digital card formats: ● Memory Stick (MS) ● Memory Stick Pro (MSP) ● MultiMediaCard (MMC) ● Secure Digital (SD) Memory Card - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 19
fan to cycle on and off during routine operation. Contains 2 memory module slots and, on select models, the wireless LAN (WLAN) device. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency - Compaq Presario CQ42-100 | 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 CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 22
information you may need when you troubleshoot system problems or travel internationally with the computer. ● Integrated service tag-Provides regulatory information about the computer, as well as the service tag, which includes the computer model number, serial number, and warranty information - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 23
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 802.11a supports data rates - Compaq Presario CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 25
HP Wireless Assistant. If a wireless device is disabled in Setup Utility, it must be reenabled in Setup Utility before it can be turned on or off using Wireless Assistant. NOTE: Enabling or turning on a wireless device does not automatically connect the computer to a network or a Bluetooth-enabled - Compaq Presario CQ42-100 | 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 27
public areas, or "hotspots," like coffee shops and airports may not provide any security. New technologies are being developed by wireless manufacturers and hotspot service providers that make the public environment more secure and anonymous. If you are concerned about the security of your computer - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 28
or network. A list of options is displayed. You can choose to manually search for and connect to a network or to create a new network connection and the user guides included with your wireless router and other WLAN equipment ● Information and Web site links provided in Help and Support For a list - Compaq Presario CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 30
Troubleshooting wireless connection problems Some possible causes for wireless connection problems include the following: ● Network configuration (SSID or security) has been changed. ● Wireless device is not installed correctly or has been disabled. ● Wireless device or router hardware has failed. ● - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 31
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 device you are - Compaq Presario CQ42-100 | 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 CQ42-100 | 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 34
3 Pointing devices and keyboard Using the TouchPad The following illustration and table describe the computer TouchPad. Component (1) TouchPad off indicator (2) TouchPad zone (3) Left TouchPad button (4) Right TouchPad button Description To switch the TouchPad zone on and off, quickly double-tap - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 35
activate the scrolling function. Using TouchPad gestures The TouchPad supports a variety of TouchPad gestures. To activate the TouchPad taskbar, and then check or uncheck Disable gestures. To enable or disable a specific gesture, select Control Panel > Hardware and Sound > Mouse > Device settings - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 36
NOTE: Two-finger scrolling is enabled at the factory. To disable two-finger scrolling, select Control Panel > Hardware and Sound > Mouse > Multitouch Gestures, and then clear the check box next to the function you want to disable. Pinching Pinching allows you to zoom in or out on items such as PDFs, - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 37
Using the keyboard Using the action keys Action keys are customized actions that are assigned to specific keys at the top of the keyboard. The icons on the f1 through f12 keys . Refer to the "Setup Utility (BIOS)" chapter for additional information. Icon Key Description Using the keyboard 27 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 38
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. Decreases the screen brightness level incrementally when you hold down this key. Increases - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 39
To use a hotkey command on the computer keyboard, follow either of these steps: ● Briefly press the fn key, and then briefly press esc. - or - ● Press and hold down the fn key, briefly press esc, and then release both keys at the same time. Using the keyboard 29 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 40
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 shock or damage to internal - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 41
4 Multimedia Multimedia features Your computer includes multimedia features that allow you to listen to music, watch movies, and view pictures. Your computer may include the following multimedia components: ● Optical drive for playing audio and video discs ● Integrated speakers for listening to - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 42
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 sound. (5) Volume up action key (f10) Increases speaker sound. (6) - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 43
Component (8) Audio-out (headphone) jack (9) Audio-in (microphone) jack Description Produces sound when connected to optional powered stereo speakers, headphones, earbuds, a headset, or television audio. WARNING! To reduce the risk of personal injury, adjust the volume before putting on - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 44
- or - a. Right-click the Speakers icon in the notification area, and then click Open Volume Mixer. b. In the Speakers column, increase or decrease the volume by moving the slider up or down. You can also mute the volume by clicking the Mute Speakers icon. If the Speakers icon is not displayed in - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 45
or DVD, follow these steps: 1. Insert the disc into the optical drive. 2. When the installation wizard opens, follow the on-screen instructions. 3. Restart the computer if you are prompted to do so. NOTE: For details about using software included with the computer, refer to the software manufacturer - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 46
or connect an external microphone ● Download music from the Internet ● Create instant messaging programs ● Stream radio programs (select models only) or receive FM radio signals ● Create ● Be sure to install any drivers required by the external device. NOTE: A driver is a required program that acts - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 47
NOTE: For best results when recording, speak directly into the microphone and record sound in a setting free of background noise. To confirm or change the audio settings on your computer, select Start > Control Panel > Hardware and Sound > Sound. Video Your computer enables you to use a variety of - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 48
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 manufacturer's instructions. - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 49
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 50
SuperMulti Double-Layer Drive ● Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive NOTE: Some of the drives listed above may not be supported by your computer. 40 Chapter 4 Multimedia - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 51
and BDs have the largest capacity of all. NOTE: Some of the optical drives listed may not be supported by 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 52
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 of a CD) to store large projects that must be updated frequently. Typical uses include the following: ● Developing and changed. 42 Chapter 4 Multimedia - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 53
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 54
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 55
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. 2. Click the arrow next to DVD/CD-ROM drives to expand the list to show all of the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 56
source. Do not write to a disc while the computer is running on battery power. Before writing to a disc, close all open programs except the disc to vibration. NOTE: For details about using software included with the computer, refer to the software manufacturer's instructions, which may be provided - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 57
changed. ● DVD players used in home systems usually do not support all DVD formats. Refer to the user guide that came with your DVD player for a list of supported DVD, follow these steps: 1. Download or copy the source files into specific instructions, refer to the software manufacturer's instructions - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 58
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 59
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 60
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. 50 Chapter 4 Multimedia - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 61
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. Optical drive 51 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 62
. To permanently resolve the problem, reconfigure the firewall as necessary, and adjust the policies and settings of other intrusion detection systems. ● Whenever possible, place bright light sources behind the camera and out of the picture area. NOTE: For details about using your webcam, click - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 63
level grays or midtones of an image. Adjusting the gamma of an image allows you to change the brightness values of the middle range of gray tones without dramatically altering the shadows and For information about using the webcam, select Start > Help and Support. Webcam (select models only) 53 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 64
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 1. Insert the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 65
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 66
. 3. Select High Color (16 bit), if this setting is not already selected. 4. Click OK. A disc does not play automatically 1. Click Start > Default Programs > Change AutoPlay Settings. 2. Select the check box for Use AutoPlay for all media and devices. 3. Click Save. A CD, DVD, or BD should now start - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 67
following suggestions: ◦ Log off the Internet. ◦ Change the color properties of the desktop: 1. Right-click multimedia question not covered in this guide, go to Start > Help and Support. The process of burning a driver located in the DVD/CD-ROM drives category in Device Manager. Troubleshooting 57 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 68
Device Manager, if necessary, and then verify that the drivers are once again listed. 7. Try running your program again. If uninstalling and reinstalling the device drivers does not correct the problem, you may need to update your drivers using the procedures in the following sections. 58 Chapter - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 69
Obtaining the latest HP device drivers 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 in the search box, and then press enter. 3. Click your specific product from the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 70
power lights blink and the screen clears. Your work is saved to memory, letting you exit the Sleep state faster than exiting Hibernation. If the when running on battery power and 30 minutes of inactivity when running on external power. Power settings and timeouts can be changed using Power Options - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 71
power, 1,080 minutes (18 hours) of inactivity when running on external power, or when the battery reaches a critical battery level. Power settings and timeouts can be changed using Power Options in Windows Control Panel. To initiate Hibernation: ▲ Click Start, click the arrow next to the Shut - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 72
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 73
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 ● The battery begins to charge. ● If the computer is turned on, the battery meter icon in the notification area changes appearance. - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 74
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 external - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 75
NOTE: The computer must be connected to external power for Battery Check to function properly. 2. Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical. 3. Click the Power tab, and then click Battery Check. Battery Check examines the battery and its cells to see if they are - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 76
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 77
before turning on the computer. NOTE: If the computer is on while the battery is charging, the battery meter in the notification area may show 100 percent charge before the battery is fully charged. ● Allow the battery to discharge below 5 percent of a full charge through normal use before charging - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 78
. 2. Exit Hibernation by briefly pressing the power button. Calibrating a battery Calibrate a battery under the following conditions: ● When battery charge displays seem inaccurate ● When you observe a significant change in battery run time Even if a battery is heavily used, it should not need to be - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 79
after so that you can reset it after the calibration. 8. Change the On battery setting to Never. 9. Click OK. 10. Click Save changes. Step 3: Discharge the battery The computer must remain on while the battery is being discharged. The battery can discharge whether or not you are using the computer - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 80
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 modem applications when you are not using them. ● Disconnect - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 81
of a used battery WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 82
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. 72 Chapter 5 Power management - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 83
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 is sufficiently charged before writing to media. Avoid exposing a drive to temperature or humidity extremes. Avoid exposing - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 84
CD-RW Combo Drive ● DVD±RW and CD-RW Combo Drive NOTE: For more information about required software and drivers, or to learn which computer port to use, refer to the manufacturer's instructions. To connect an external drive to the computer: CAUTION: To reduce the risk of damage to the equipment when - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 85
do not need access to your computer. HP recommends defragmenting your hard drive at least once monthly schedule, but you can defragment your computer manually at any time. To run Disk Defragmenter: changing Windows settings. Refer to Help and Support instructions. Improving hard drive performance 75 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 86
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). 8. Lift the hard drive cover away from the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 87
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. Replacing the hard drive 77 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 88
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). 78 Chapter 6 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 89
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. Replacing the hard drive 79 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 90
software, which is usually included with the device. For more information about device-specific software, refer to the manufacturer's instructions. The computer has 3 USB ports, which support USB 1.0, USB 1.1, and USB 2.0 devices. An optional USB hub provides additional USB ports that can be used - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 91
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 92
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 Digital (SD) Memory Card ● xD-Picture Card (XD) Inserting - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 93
Removing a digital card CAUTION: To prevent loss of data or an unresponsive system, use the following procedure to safely remove the digital card. Save your information and close all programs associated with the digital card. NOTE: To stop a data transfer, click Cancel in the operating system - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 94
. WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power cord and remove all batteries before installing a memory module. CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any procedure, ensure that you are discharged of - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 95
module by the edges only. Do not touch the components on the memory module, and do not bend the memory module. b. Grasp the edge of the memory module (2), and gently pull the module out of the memory module slot. To protect a memory module after removal, place it in an electrostatic-safe container - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 96
edges of the memory module, until the retention clips snap into place. 10. Align the 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. 86 Chapter 8 Memory modules - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 97
14. Turn the computer right-side up, and then reconnect external power and external devices. 15. Turn on the computer. 87 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 98
support (Norton Internet Security) ● Critical security updates 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 99
such as screen-saver passwords, select Start > Help and Support. Setting passwords in Windows Password Administrator password User password Function or restart the computer, or exit Hibernation. *For details about each of these passwords, refer to the following topics. Using passwords 89 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 100
store it in a safe place. Managing an administrator password To set, change, or delete this password, follow these steps: 1. Open Setup Utility by turning on or restarting the computer, and then pressing f10 while the "F10 = BIOS Setup Options" message is displayed in the lower-left corner of the - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 101
Managing a power-on password To set, change, or delete this password, follow these steps: 1. Open Setup Utility by turning on or restarting the computer, 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 102
. 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 103
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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 104
. Use the update 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. 94 Chapter - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 105
10 Setup Utility (BIOS) Starting Setup Utility Setup Utility is a ROM-based information and customization utility that can be used even when your Windows® operating system is not working. - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 106
Exit > Exit Saving Changes, and then press enter. Your change goes into effect immediately. Navigating and selecting in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and while Setup Utility is open, press f1. 96 Chapter 10 Setup Utility (BIOS) - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 107
Defaults, and then press enter. 3. When the Setup Confirmation is displayed, press enter. 4. To save your change and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes, and then press enter. Setup Utility default settings go into effect when the computer restarts. NOTE: Your - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 108
information To do this ● View and change the system time and date. ● View identification information about the computer. ● View specification information about the processor, memory size, system BIOS, and keyboard controller version (select models only). Security menu Select Administrator password - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 109
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 only) Fan Always On Action Keys Mode Boot Options To do this Change ◦ Notebook Hard - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 110
regarding 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 111
Updating the BIOS To update the BIOS, first determine what BIOS version you currently have and then download and install the new BIOS. Determining the BIOS version To determine whether available BIOS updates contain later BIOS displaying BIOS information BIOS and other system information is displayed. 3. - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 112
, connect, or disconnect any device, 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 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 113
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 in the Search box, and then press enter. 3. Click your specific - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 114
Tools provided by the operating system and HP Recovery Manager software are designed to help you changes to your computer by restoring the computer to an earlier state. ● Recovering a program or driver Manager works from a dedicated recovery partition (select models only) on the hard drive or from - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 115
to create recovery discs, or you can purchase recovery discs for your computer from the HP Web site. Note the following guidelines before creating recovery discs: NOTE: The external hard > Recovery Manager > Recovery Disk Creation. 2. Follow the on-screen instructions. Creating recovery discs 105 - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 116
Backing up your information As you add new software and data files, you should back up your system on a regular basis to maintain a reasonably current backup. Back up your system at the following times: ● At regularly scheduled times NOTE: Set reminders to back up your information periodically. ● - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 117
Start > All Programs > Maintenance > Backup and Restore. 2. Follow the on-screen instructions to set up and create a backup. NOTE: Windows® includes the User Account Control utilities, or changing Windows settings. Refer to Help and Support for more information. Backing up your information - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 118
your hard drive at a specific point in time. You can then recover back to that point if you want to reverse subsequent changes made to your system. NOTE 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 CQ42-100 | Notebook PC User Guide - Windows 7 - Page 119
you have previously backed up. HP recommends that you use HP Recovery Manager to create a provided with this computer must be downloaded from the manufacturer's Web site or Follow the on-screen instructions. Recovering from the dedicated recovery partition (select models only) NOTE: Computers with - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 120
65 storing 70 battery bay, identifying 9 battery power 64 battery release latch 65 battery release latch, identifying 9 battery temperature 70 battery, identifying 11 bays battery 9 hard drive 9 BIOS, updating 101 Blu-ray Disc playing 43 removing 48 Bluetooth device 13, 19 Bluetooth label 12 boot - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 121
5 function 5 navigation 5 Windows applications 5 Windows logo 5 L labels Bluetooth 12 Microsoft Certificate of Authenticity 12 modem approval 12 service tag 12 wireless certification 12 WLAN 12 LAN Power Saving 99 language support 99 latch, battery release 9 light power 3 lights caps lock 3 Digital - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 122
, identifying 24 TouchPad zone identifying 2 traveling with the computer modem approval label 12 wireless certification labels 12 troubleshooting disc burning 57 disc play 56 DVD movie play 57 external display 57 HP device drivers 59 optical disc tray 54 optical drive detection 55 Windows device - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 123
passwords set in 89 wireless antennas 10 Wireless Assistant software 14, 15 wireless button using 14 wireless certification label 12 wireless controls button 14 operating system 14 Wireless Assistant software 14 wireless devices, types 13 wireless icon 14 wireless light 3, 14 wireless network (WLAN - Compaq Presario CQ42-100 | Notebook PC User Guide - Windows 7 - Page 124
Notebook PC User Guide