Lenovo U300S- Manuals

1 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an Lenovo IdeaPad U300/U300s/U400 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 • “Handl...

2 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: Observe a good housekeeping in the area where the machines are put • during and after the maintenance.When lifting any heavy object: • 1. Make sure that you can stand safely...

3 Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.Many custo...

5 Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only th...

6 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a diff...

7 Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small p...

8 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local o...

9 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing wh...

10 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to wa...

11 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing.Si le panneau d’affi...

12 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure d...

13 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, d...

14 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these dr...

15 Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instr...

16 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16 – “Strategy for replacing a hard disk drive” on page 17– “Important notice for replacing a system ...

17 Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: If you are instructed to replace an FRU, but the replacement does not solve • the problem, reinstall the original FRU before you continue.Some computers have both a processor ...

18 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics i...

19 General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service t...

20 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it:1. Name and phone number of servicer2. Date of service3. Date on which the machin...

21 General checkout Power system checkout To verify a symptom, follow the steps below:1. Turn off the computer.2. Connect the AC adapter.3. Make sure that power is supplied when you turn on the computer.4. Turn off the computer.5. Disconnect the AC adapter.6. Make sure that the battery pack supplies...

23 Related service information Related service information This chapter presents the following information: • “Restoring the factory contents by using OneKey Recovery” on page 23 • “Passwords” on page 24 • “Power management” on page 25 Restoring the factory contents by using OneKey Recovery Restore ...

24 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup discs to complete the whole recovery process. Note: The recov...

25 Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off moni...

26 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. • To cause the computer to enter hibernation mode, follow the steps below: ...

27 Lenovo IdeaPad U300/U300s/U400 Lenovo IdeaPad U300/U300s/U400 This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 27 • “Status indicators” on page 29 • “Function key combinations” on page 31 • “FRU replacement n...

29 Lenovo IdeaPad U300/U300s/U400 Status indicators The system status indicators below show the computer status: U400 2 1 3 Table 2. Status indicators Indicator Meaning 1 Power on White: System is enabled. Blinking white: System is in sleep mode. Off: System is in hibernate mode or shut down.

31 Lenovo IdeaPad U300/U300s/U400 Function key combinations The following table shows the function of each combination of function key. Table 3. Fn key combinations Key combination Description Fn + PrtSc: pop-up CD/DVD disk (U400 only). Fn + Home: Activate the pause function. Fn + End: Activate the ...

32 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo IdeaPad compute...

33 Lenovo IdeaPad U300/U300s/U400 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules:1. Do not attempt to service any computer unless you have been trained and cert...

35 Lenovo IdeaPad U300/U300s/U400 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and n...

36 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U300) For access, remove this FRU: • “1010 Base cover (U300)” on page 34 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of b...

37 Lenovo IdeaPad U300/U300s/U400 1030 Hard disk drive (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to phys...

39 Lenovo IdeaPad U300/U300s/U400 1050 PCI Express Mini Card for wireless LAN (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 Figure 5. Removal steps of PCI Express Mini Card for w...

41 Lenovo IdeaPad U300/U300s/U400 1060 Fan assembly and Heat Sink assembly (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 • “1050 PCI Express Mini Card for wireless LAN (U300)” on...

43 Lenovo IdeaPad U300/U300s/U400 1070 System board (U300) Important notices for handling the system board: When handling the system board, bear the following in mind.• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough ha...

46 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 Speakers and microphone (U300) For access, remove these FRUs in order: • “1010 Base cover (U300)” on page 34 • “1020 Battery pack (U300)” on page 36 • “1030 Hard disk drive (U300)” on page 37 • “1050 PCI Express Mini Card for wireles...

49 Lenovo IdeaPad U300/U300s/U400 Figure 9. Removal steps of LCD unit (continued) 2 2 2 2 Step Screw (quantity) Color Torque 2 M2.5 × 6 mm, flat-head, nylok-coated (4) Black 3.0 ± 0.2 kgfcm When installing: Route the antenna cables along the cable guides. As you route the cables, • make sure that th...

57 Lenovo IdeaPad U300/U300s/U400 1030 Speakers (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 Figure 3. Removal steps of speakers Detach two speakers connectors in the direction shown by arrow 1 . Remove four screws 2 ...

58 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 Solid State Disk (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 Attention: • Do not drop the solid state disk or ap...

60 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1060 Keyboard and keyboard bezel (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 • “1040 Solid State Disk (U300s)” on pag...

61 Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of keyboard and keyboard bezel (continued) Detach the microphone connector and touch pad connector in the direction shown by arrows 2 3 4 , then remove six screws 5 . 5 5 5 5 5 5 2 3 4 Step Screw (quantity) Color Torque 5 M2 × 5 mm, flat-head...

64 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 PCI Express Mini Card for wireless LAN (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 • “1040 Solid State Disk (U30...

67 Lenovo IdeaPad U300/U300s/U400 Figure 8. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrow 4 . U300s 4

69 Lenovo IdeaPad U300/U300s/U400 1100 Fan assembly and Heat Sink assembly (U300s) For access, remove these FRUs in order: • “1010 Base cover (U300s)” on page 54 • “1020 Battery pack (U300s)” on page 56 • “1030 Speakers (U300s)” on page 57 • “1040 Solid State Disk (U300s)” on page 58 • “1050 USB Boa...

70 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 10. Removal steps of fan assembly and heat sink assembly (continued) 4 4 When installing: Make sure that the fan connector is attached firmly to the system board. Step Screw (quantity) Color Torque 2 M2 × 4 mm, flat-head, nylok-coa...

73 Lenovo IdeaPad U300/U300s/U400 Figure 11. Removal steps of system board Remove four screws 1 , then remove the fan bracket from the system board in the direction shown by arrows 2 . 1 1 1 2 2 When installing: Make sure that the power connector is attached firmly. Step Screw (quantity) Color Torqu...

77 Lenovo IdeaPad U300/U300s/U400 1030 Hard disk drive (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to phys...

78 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 PCI Express Mini Card for wireless LAN (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN 1 1...

81 Lenovo IdeaPad U300/U300s/U400 Figure 5. Removal steps of system board Remove four screws 1 and three screws 2 . Detach seven connectors in the direction shown by arrows 3 4 5 6 . 1 1 1 2 1 2 2 6 4 5 6 3 4 4 3 When installing: Make sure that the connectors are attached firmly. Step Screw (quantit...

83 Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of USB board and HDD board (continued) Remove one screw 5 , lift the USB board a little, and then remove two screws 6 on the back of that board. Unplug the connector in the direction by arrow 7 , remove USB board 8 . 5 6 6 7 8 Step Screw (qua...

84 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 Speakers and microphone (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 • “1040 PCI Express Mini Card for wireles...

88 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 9. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows 2 . 2

90 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1110 Fan assembly and Heat Sink assembly (U400) For access, remove these FRUs in order: • “1010 Base cover (U400)” on page 74 • “1020 Battery pack (U400)” on page 76 • “1030 Hard disk drive (U400)” on page 77 • “1040 PCI Express Mini Card...

95 Lenovo IdeaPad U300/U300s/U400 Figure 14. Removal steps of LCD panel, hinges and LCD cable (continued) Remove four screws 3 , detach the integrated camera connector in the direction shown by arow 4 . Remove the LCD panel in the direction shown by arrow 5 . 4 3 3 5 3 3 Step Screw (quantity) Color ...

98 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Locations Note: The illustrations used in this section are of the Lenovo ideapad U400, unless otherwise stated. Front view 1 Integrated camera (Select models only) 2 Wireless module antennas (Select models only) 3 Power button 4 System st...

100 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Bottom and Left-side view 1 OneKey Rescue system button 2 USB port 3 Headphone mic combo jack 4 Fan louvers 5 RJ-45 port 6 Base cover 7 Built-in microphone U300 1 6 4 2 3 U300s 6 1 4 2 U400 1 4 5 2 7 6

101 Lenovo IdeaPad U300/U300s/U400 Parts list This section presents the following service parts: • “Overall” on page 102 • “LCD FRUs” on page 111 • “Keyboard” on page 113 • “Miscellaneous parts” on page 116 • “AC adapters” on page 118 • “Power cords” on page 119 Notes: • Each FRU is available for al...

102 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Overall U300 U300 2 b 3 d 6 5 f 8 11 13 15 16 14 12 9 10 h 7 g e 4 a c 1

103 Lenovo IdeaPad U300/U300s/U400 Table 5. Parts list—Overall No. FRU FRU no. a-h See “Miscellaneous parts” on page 116.1 Panel 13.3" CMI TBD 2 Keyboard (see “Keyboard” on page 113.) 3 MICKEY Micphone Board 11014115 4 MICKEY Power Board 31052169 5 MICKEY LED Board 31052170 6 MICKEY DC-IN Jack W...

106 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 6. Parts list—Overall No. FRU FRU no. a-i See “Miscellaneous parts” on page 116. 1 Panel, 13.3", N133BGE-M41 HD G LED1 NB panel TBD 2 MINNIE Upper Case Gray W/KB-AR 31052458 2 MINNIE Upper Case Gray W/KB-BE 31052459 2 MINNIE Up...

109 Lenovo IdeaPad U300/U300s/U400 Table 7. Parts list—Overall No. FRU FRU no. a-l See “Miscellaneous parts” on page 116. 1 LCD unit (see “LCD FRUs” on page 111.) 2 Keyboard (see “Keyboard” on page 113.) 3 LU47 Upper Case W/EN KB/DC/POW Cable 31052386 3 LU47 Upper Case W/UK KB/DC/POW Cable 31052387 ...

111 Lenovo IdeaPad U300/U300s/U400 LCD FRUs In Lenovo IdeaPad U400, there are following types of LCDs. “14.0-in. • HD TFT” 5 3 7 1 6 8 2 4

113 Lenovo IdeaPad U300/U300s/U400 Keyboard Table 9. Parts list—Keyboard P/N Sunrex (U300/ U300s) JMET3SCZSK85keyBLKKeyKBD 25200278 JMET3SBulgarian85keyBLKKeyKBD 25200277 JMET3SUI84keyBLKKeyKBD 25200276 JMET3SSwiss85keyBLKKeyKBD 25200275 JMET3SSLN85keyBLKKeyKBD 25200274 JMET3SIceland85keyBLKKeyKBD 2...

116 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Miscellaneous parts U300 Table 10. Parts list—Miscellaneous parts FRU P/N System miscellaneous parts: • ( a ) MICKEY Frame left • ( b ) MICKEY Frame Right 3105218231052183 Cable miscellaneous parts: • ( c ) MICKEY TouchPad Cable • ( d ) ...

118 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual AC adapters Table 13. Parts list—AC adapters FRU P/N 65W, Delta ADP-65KH BD 20V/3.25A Adapter 36001929 65W, Liteon PA-1650-56LC20V3.25A Adapter 36001651 65W, Brazil PA-1650-52LB Adapter 36001714 65W, Chicony CPA-A065 20V3.25A Adapter(330...

119 Lenovo IdeaPad U300/U300s/U400 Power cords A Lenovo IdeaPad power cord for a specific country or region is usually available only in that country or region: U300/U300s Table 14. Parts list—3-pin power cords Region P/N CCC 3PIN • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m 145000602 CCC 3PIN • LINETEK PC...

120 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 14. Parts list—3-pin power cords (continued) Region P/N Indian 3PIN • VOLEX IA6A3+IS694+VAC5S 1m 145000536 Switzerland 3PIN • VOLEX MP232+H03VV-F+VAC5S 1m 145000524 Italy 3PIN • VOLEX IT10S3+HO3VV-F+VAC5S 1m 145000535 Denmark 3PIN ...

127 Notices Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is ...

128 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems an...

Chapter 1. Getting to know your computer 3 L e f t - s i d e v i e w - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ U300/U300e ...

4 Chapter 1. Getting to know your computer Headphone mic combo jack Connects to the headset. Attention:• Listening to music at high volume over extended periods of time may damage your hearing. Fan louvers Dissipate internal heat. Note: Make sure that none of the fan louvers are blocked or else over...

Chapter 1. Getting to know your computer 5 R i g h t -s i d e v i ew - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ U300/U300e „ U300s ...

6 Chapter 1. Getting to know your computer RJ-45 port This port connects the computer to an Ethernet network. Note: For details, see “Wired connection (U300/U300e/U400)” on page 21. Headphone mic combo jack Connects to the headset. Attention:• Listening to music at high volume over extended periods ...

Chapter 1. Getting to know your computer 7 F r o n t v i e w - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Sys...

8 Chapter 2. New Features Rapid Boot (Select models only) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The Rapid Boot technology shortens the boot time of your computer. „ Enabling Rapid Boot To en...

Chapter 2. New Features 9 Hybrid Power Supply (For IdeaPad U400 series only) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - A hybrid power supply system incorporates a power adapter and battery pack to power a computer. With the hybrid power supply technology, the system continuously mo...

10 Chapter 3. Learning the basics First use - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ Read...

Chapter 3. Learning the basics 11 To wake the computer, do one of the following.• Press the power button.• Press any key on the keyboard. „ Shutting down your computer If you are not going to use your computer for a day or two, shut it down. To shut down your computer, click and select Shut down fro...

12 Chapter 3. Learning the basics Using AC adapter and battery - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ Checking battery status You can determine the percentage of battery power r...

Chapter 3. Learning the basics 13 Using the touchpad - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Touchpad To move the cursor on the screen, ...

14 Chapter 3. Learning the basics Using the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Your computer has the function keys incorpora...

Chapter 3. Learning the basics 15 „ Hotkey Using Hotkey The hotkeys are located on the function key row on the keyboard. You can access certain system settings quickly by pressing the appropriate hotkey. : Mute/Unmute the sound. : Quick decrease volume level. : Quick increase volume level. : Close s...

16 Chapter 3. Learning the basics Setting the Hotkey Mode By default, the hotkey functions are accessible by pressing one single function key (F1~F12). However, you can disable the Hotkey mode in the BIOS setup interface. To disable the Hotkey mode, do the following: 1 Restart the computer. Press Fn...

Chapter 3. Learning the basics 17 Connecting external devices - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Your computer has a wide range of built-in features and connection capab...

18 Chapter 3. Learning the basics Special keys and buttons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ OneKey Rescue system button • When the computer is powered-of...

Chapter 3. Learning the basics 19 System status indicators - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - These indicators inform you of the computer status. U400 &a...

20 Chapter 3. Learning the basics Securing your computer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - This section provides information about how to help protect y...

21 Chapter 4. Connecting to the Internet As a global network, the Internet connects computers worldwide, providing services such as e-mailing, information searching, electronic commerce, Web browsing and entertainment. You can connect the computer to the Internet in the following ways: Wired connect...

22 Chapter 4. Connecting to the Internet Wireless connection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Wireless connections provide mobile acc...

23 Chapter 5. OneKey Rescue system OneKey Rescue system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - „ Introduction The Lenovo OneKey Rescue system is an easy-...

24 Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo IdeaPadOneKey Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. is a trademark of SRS Labs, Inc. Prem...

25 Index AC adapter Using ................................................................ 12 Battery Charging .......................................................... 12 Bluetooth Connecting ...................................................... 17 Camera ............................................

V3.0_en-US IdeaPad U300/U300e/U300s/U400 Read the safety notices and important tips in the included manuals before using your computer. ©Lenovo China 2011 New World. New Thinking. TM www.lenovo.com User Guide V3.0