Lenovo IdeaPad U455 User Guide V1.0
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... Chapter 6. Learning the basics ... 8 First use 8 Using AC adapter and battery 11 Using the touchpad 14 Using the keyboard 17 Connecting external devices..... 20 Switching GPU (Select models only 23 Special keys and buttons........... 25 System status indicators 27 Securing your computer 1 Top view 1 Left-side view 4 Right-side view 5 Bottom view 6 Chapter 2. Upgrading and replacing devices 53 Replacing the battery 53 Replacing the hard disk drive 55 Replacing memory 59 Appendix A. iii Important safety information ....iii...
... Chapter 6. Learning the basics ... 8 First use 8 Using AC adapter and battery 11 Using the touchpad 14 Using the keyboard 17 Connecting external devices..... 20 Switching GPU (Select models only 23 Special keys and buttons........... 25 System status indicators 27 Securing your computer 1 Top view 1 Left-side view 4 Right-side view 5 Bottom view 6 Chapter 2. Upgrading and replacing devices 53 Replacing the battery 53 Replacing the hard disk drive 55 Replacing memory 59 Appendix A. iii Important safety information ....iii...
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....lenovo.com. For a list of service and support phone numbers, go to install options or replace units (CRUs). Closely follow all the cables before you open the device covers, unless instructed otherwise in . Keep the covers closed whenever the computer is appropriate for further guidance. Disconnect the attached power cords, battery pack, and all instructions when installing or replacing parts. Lenovo provides documentation with instructions when it is plugged in the installation and configuration...
....lenovo.com. For a list of service and support phone numbers, go to install options or replace units (CRUs). Closely follow all the cables before you open the device covers, unless instructed otherwise in . Keep the covers closed whenever the computer is appropriate for further guidance. Disconnect the attached power cords, battery pack, and all instructions when installing or replacing parts. Lenovo provides documentation with instructions when it is plugged in the installation and configuration...
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.... Integrated Use the camera for video conferencing, voice narration, or simple audio recordings. Ambient light sensor The ambient light sensor detects the environmental illuminance and automatically adjusts the brightness of the LCD backlight manually, you can disable this feature in between the display panel and the keyboard. If you want to open the display panel beyond 130 degrees. On the main panel, click and then click Smart Control. Clear the...
.... Integrated Use the camera for video conferencing, voice narration, or simple audio recordings. Ambient light sensor The ambient light sensor detects the environmental illuminance and automatically adjusts the brightness of the LCD backlight manually, you can disable this feature in between the display panel and the keyboard. If you want to open the display panel beyond 130 degrees. On the main panel, click and then click Smart Control. Clear the...
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... a security lock (not supplied)" on your computer Right-side view ab c d e fg GPU (Graphics Processing Unit) switch (Select models only) Silde this switch under Windows operating system to switch the GPU (graphics processing unit) used by the system. Integrated wireless device switch Use this switch to USB devices. Getting to know your computer. HDMI port Connect to devices with HDMI input such as a TV or a display. USB ports Connect to turn on/off the wireless radio...
... a security lock (not supplied)" on your computer Right-side view ab c d e fg GPU (Graphics Processing Unit) switch (Select models only) Silde this switch under Windows operating system to switch the GPU (graphics processing unit) used by the system. Integrated wireless device switch Use this switch to USB devices. Getting to know your computer. HDMI port Connect to devices with HDMI input such as a TV or a display. USB ports Connect to turn on/off the wireless radio...
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... your computer to Lenovo for service, etc. Chapter 2. Learning the basics Notes: • You are advised to insert the battery pack when using your computer to prevent small particles from entering the inside of the battery pack, the computer does not start recharging the battery immediately after it drops from the computer. Before removing the battery pack, make sure the computer...
... your computer to Lenovo for service, etc. Chapter 2. Learning the basics Notes: • You are advised to insert the battery pack when using your computer to prevent small particles from entering the inside of the battery pack, the computer does not start recharging the battery immediately after it drops from the computer. Before removing the battery pack, make sure the computer...
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Learning the basics Using the keyboard Your computer has a numeric keypad and function keys incorporated in its standard keyboard. Numeric keypad The keyboard has keys that, when enabled, work as a 10-key numeric keypad. Chapter 2. Note: The NumLk indicator will light on if the numeric keypad is enabled. 17 To enable or disable the numeric keypad, press Fn+F8.
Learning the basics Using the keyboard Your computer has a numeric keypad and function keys incorporated in its standard keyboard. Numeric keypad The keyboard has keys that, when enabled, work as a 10-key numeric keypad. Chapter 2. Note: The NumLk indicator will light on if the numeric keypad is enabled. 17 To enable or disable the numeric keypad, press Fn+F8.
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...: Open the interface for display resolution settings. Fn + ĕ / ė : Decrease/Increase volume level. 19 Fn + F10: Activate the break function. Fn + F1: Enter sleep mode. Fn + F4: Open the interface for integrated wireless devices settings (on /off the LCD screen. Fn + F8: Enable/Disable the numeric keypad. Fn + F11: Enable/Disable the Scroll Lock. Fn + F6: Enable/Disable the touchpad. Fn + F2: Turn on /off the integrated camera. Fn + Ė/Ę: Increase/Decrease display brightness. Fn + PrtSc: Activate...
...: Open the interface for display resolution settings. Fn + ĕ / ė : Decrease/Increase volume level. 19 Fn + F10: Activate the break function. Fn + F1: Enter sleep mode. Fn + F4: Open the interface for integrated wireless devices settings (on /off the LCD screen. Fn + F8: Enable/Disable the numeric keypad. Fn + F11: Enable/Disable the Scroll Lock. Fn + F6: Enable/Disable the touchpad. Fn + F2: Turn on /off the integrated camera. Fn + Ė/Ę: Increase/Decrease display brightness. Fn + PrtSc: Activate...
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Hardware connection Access point * Wi-Fi/WiMax network * Not supplied Software configuration Consult your Internet Service Provider (ISP) and search Windows Help and Support Center for details on how to make configuration. Using the Internet Using Wi-Fi/WiMax (Select models only) Enabling wireless connection To enable wireless communications, do the following: 1 Slide the integrated wireless device switch to . 2 Press Fn + F5 to configure your computer. 34 Chapter 3.
Hardware connection Access point * Wi-Fi/WiMax network * Not supplied Software configuration Consult your Internet Service Provider (ISP) and search Windows Help and Support Center for details on how to make configuration. Using the Internet Using Wi-Fi/WiMax (Select models only) Enabling wireless connection To enable wireless communications, do the following: 1 Slide the integrated wireless device switch to . 2 Press Fn + F5 to configure your computer. 34 Chapter 3.
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... hard disk. 43 Your computer did not come with an operating system, Lenovo provides all the drivers you need in your computer. How can I install the device drivers? How can I find warranty information? A compatible device driver is pre-installed with a recovery disc. Troubleshooting Where are the recovery discs? OneKey Rescue system" on page 82. Lenovo limited warranty" on page 39. Getting help and service" on page 64 of warranty service...
... hard disk. 43 Your computer did not come with an operating system, Lenovo provides all the drivers you need in your computer. How can I install the device drivers? How can I find warranty information? A compatible device driver is pre-installed with a recovery disc. Troubleshooting Where are the recovery discs? OneKey Rescue system" on page 82. Lenovo limited warranty" on page 39. Getting help and service" on page 64 of warranty service...
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... again. 46 When I slide the GPU switch. • Make sure switchable graphics feature is enabled in BIOS setup utility. • Make sure the driver for switchable graphics is active, switch the display device back to the LCD screen on your computer and then try again. Chapter 5. Press the power button. - Problems with an external display and the external display is properly installed. • Make sure you are under Windows operating system when sliding the GPU...
... again. 46 When I slide the GPU switch. • Make sure switchable graphics feature is enabled in BIOS setup utility. • Make sure the driver for switchable graphics is active, switch the display device back to the LCD screen on your computer and then try again. Chapter 5. Press the power button. - Problems with an external display and the external display is properly installed. • Make sure you are under Windows operating system when sliding the GPU...
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... forget your HDD password, a Lenovo authorized servicer cannot reset your computer to a Lenovo authorized servicer or a marketing representative to protect the processor and other internal components. You must take your password. Keyboard problems A number appears when you forget your administrator password, a Lenovo authorized servicer cannot reset your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. You must take your password or recover data from the hard disk. To disable it...
... forget your HDD password, a Lenovo authorized servicer cannot reset your computer to a Lenovo authorized servicer or a marketing representative to protect the processor and other internal components. You must take your password. Keyboard problems A number appears when you forget your administrator password, a Lenovo authorized servicer cannot reset your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. You must take your password or recover data from the hard disk. To disable it...
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... problem "The screen is turned up. • Make sure that : distorted. - If the power indicator is blinking, press the power button to resume from the speaker even when the volume is unreadable or distorted." - The Mute function is correct. Sound problems No sound can be heard from the sleep mode. - If the problem persists, follow the solution in the following : - The screen is not used. - Speakers is installed correctly. - The display device driver...
... problem "The screen is turned up. • Make sure that : distorted. - If the power indicator is blinking, press the power button to resume from the speaker even when the volume is unreadable or distorted." - The Mute function is correct. Sound problems No sound can be heard from the sleep mode. - If the problem persists, follow the solution in the following : - The screen is not used. - Speakers is installed correctly. - The display device driver...
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... or identify your problem. operate with a fully charged Turn off the computer for a fully charged battery is included in the battery might be active. A hard disk drive problem The hard disk drive does not work. • In the Boot menu in BIOS setup utility, make sure that the hard disk drive is short. • For details, see "Chapter 4. Troubleshooting Battery problems Your computer shuts down before the battery status indicator shows empty. -orYour computer operates after the battery status indicator shows empty. •...
... or identify your problem. operate with a fully charged Turn off the computer for a fully charged battery is included in the battery might be active. A hard disk drive problem The hard disk drive does not work. • In the Boot menu in BIOS setup utility, make sure that the hard disk drive is short. • For details, see "Chapter 4. Troubleshooting Battery problems Your computer shuts down before the battery status indicator shows empty. -orYour computer operates after the battery status indicator shows empty. •...
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... power button for 4 seconds or more hard disk space on the screen while the computer is set so that the computer starts from the device you want . • Also make sure that the device from the desired device. • See the Boot menu of C, has been modified. Chapter 5. Fail to restore system partition to factory default. • The system partition, such as the partition size or the drive capacity of BIOS setup utility...
... power button for 4 seconds or more hard disk space on the screen while the computer is set so that the computer starts from the device you want . • Also make sure that the device from the desired device. • See the Boot menu of C, has been modified. Chapter 5. Fail to restore system partition to factory default. • The system partition, such as the partition size or the drive capacity of BIOS setup utility...
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... the information on the hard disk, and then turn the computer off. The drive is operating, in sleep mode, or in hibernation mode. 55 Before removing the hard disk drive, make a backup copy of the hard disk drive were not designed for frequent changes, or drive swapping. • The preinstalled softwares are not included on the hard disk. Upgrading and replacing devices Replacing the hard disk drive You can purchase a new hard disk drive from your computer by replacing the hard disk drive with one of greater...
... the information on the hard disk, and then turn the computer off. The drive is operating, in sleep mode, or in hibernation mode. 55 Before removing the hard disk drive, make a backup copy of the hard disk drive were not designed for frequent changes, or drive swapping. • The preinstalled softwares are not included on the hard disk. Upgrading and replacing devices Replacing the hard disk drive You can purchase a new hard disk drive from your computer by replacing the hard disk drive with one of greater...
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Be sure to make room for future use. Make sure that it snaps into the socket. Upgrading and replacing devices 6 If two SDRAMs are already installed in the slot and does not move easily. 8 After aligning the attachment clips with their matching gaps, reinstall the compartment cover. 61 b a a a a b 7 Insert the notched end of the socket at the same time. Press the DIMM firmly, and pivot it until it is firmly fixed in the memory slot, remove one of them to save the old SDRAM for the new one by pressing out on the latches on both edges of the DIMM into place. Chapter 6.
Be sure to make room for future use. Make sure that it snaps into the socket. Upgrading and replacing devices 6 If two SDRAMs are already installed in the slot and does not move easily. 8 After aligning the attachment clips with their matching gaps, reinstall the compartment cover. 61 b a a a a b 7 Insert the notched end of the socket at the same time. Press the DIMM firmly, and pivot it until it is firmly fixed in the memory slot, remove one of them to save the old SDRAM for the new one by pressing out on the latches on both edges of the DIMM into place. Chapter 6.
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... Lenovo hardware product is under warranty and when the warranty expires, go to obtain warranty service. 66 Appendix A. Getting help and service • Engineering change management - Lenovo or your reseller, if authorized by Lenovo or non warranted parts • Identification of software problem sources • Configuration of BIOS as part of an installation or upgrade • Changes, modifications, or upgrades to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance...
... Lenovo hardware product is under warranty and when the warranty expires, go to obtain warranty service. 66 Appendix A. Getting help and service • Engineering change management - Lenovo or your reseller, if authorized by Lenovo or non warranted parts • Identification of software problem sources • Configuration of BIOS as part of an installation or upgrade • Changes, modifications, or upgrades to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance...
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... electricity in sleep or hibernation mode, or turned off, before moving your computer, be sure to remove any media, turn off attached devices, and disconnect cords and cables. • Be sure your body. - When you install a static-sensitive option or CRU, touch the staticprotective package containing the part to the hard disk drive and data loss. 71 This will prevent damage to a metal expansion-slot cover or...
... electricity in sleep or hibernation mode, or turned off, before moving your computer, be sure to remove any media, turn off attached devices, and disconnect cords and cables. • Be sure your body. - When you install a static-sensitive option or CRU, touch the staticprotective package containing the part to the hard disk drive and data loss. 71 This will prevent damage to a metal expansion-slot cover or...
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... in good working order and at least functionally equivalent to the original product or part. Appendix C. The replacement product or part shall be new, but it . 85 and 3 obtain authorization from the owner to : 1 remove all features, parts, options, alterations, and attachments not under warranty service; 2 ensure that prevent its replacement; Lenovo limited warranty Replacement of a product or part When the warranty service involves the replacement of...
... in good working order and at least functionally equivalent to the original product or part. Appendix C. The replacement product or part shall be new, but it . 85 and 3 obtain authorization from the owner to : 1 remove all features, parts, options, alterations, and attachments not under warranty service; 2 ensure that prevent its replacement; Lenovo limited warranty Replacement of a product or part When the warranty service involves the replacement of...
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... employee who uses a Lenovo notebook computer and need to dispose of a battery pack, you use the methods described above for collecting and recycling a disused computer or monitor. Disposing a Disused Battery Pack from Lenovo Notebook Computers Your Lenovo notebook computer has a lithium ion battery pack or a nickel metal hydride battery pack. To properly dispose of disused components, such as a printed circuit board or drive, use a Lenovo notebook computer at...
... employee who uses a Lenovo notebook computer and need to dispose of a battery pack, you use the methods described above for collecting and recycling a disused computer or monitor. Disposing a Disused Battery Pack from Lenovo Notebook Computers Your Lenovo notebook computer has a lithium ion battery pack or a nickel metal hydride battery pack. To properly dispose of disused components, such as a printed circuit board or drive, use a Lenovo notebook computer at...