Lenovo K2450 Notebook Bedienungsanleitung

Lenovo ZhaoYang K2450Hardware MaintenanceManual

Lenovo ZhaoYang K2450 Hardware Maintenance Manual6Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive

Safety information7The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish.Safety notices:

Lenovo ZhaoYang K2450 Hardware Maintenance Manual8Safety notice 2DANGERSome standby batteries contain a small amount of nickel and cadmium. Do not dis

Safety information9Safety notice 3DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or shor

Lenovo ZhaoYang K2450 Hardware Maintenance Manual10Safety notice 4DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do not r

Safety information11Safety notice 5If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affe

Lenovo ZhaoYang K2450 Hardware Maintenance Manual12Safety notice 6DANGERTo avoid shock, do not remove the plastic cover that protects the lower part o

Safety information13Safety notice 8DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the ba

Lenovo ZhaoYang K2450 Hardware Maintenance Manual14Some models of Lenovo computer are equipped from the factory with an optical storage device such as

Safety information15A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. N

Note:Before using this information and the product it supports, be sure to read the general information under “Notices” on page 78.First Edition (Augu

Lenovo ZhaoYang K2450 Hardware Maintenance Manual16This chapter presents the following important service information:• “Strategy for replacing FRUs” o

Important service information17Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to r

Lenovo ZhaoYang K2450 Hardware Maintenance Manual18RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (200

General checkout19This chapter presents the following information:• “What to do first” on page 20• “Power system checkout” on page 21Before you go to

Lenovo ZhaoYang K2450 Hardware Maintenance Manual20When you do return an FRU, you must include the following information in the parts exchange form or

General checkout21To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make su

Lenovo ZhaoYang K2450 Hardware Maintenance Manual22Perform operational charging. If the battery status indicator or icon does not light on, remove the

Related service information23This chapter presents the following information:•“Passwords” on page24• “Power management” on page 25When the hard disk d

Lenovo ZhaoYang K2450 Hardware Maintenance Manual247. When all of the data has been copied from the last disc in the set, remove the disc and restart

Related service information25Use your computer with ac power whenever ac power is available. Use your computer with battery power when ac power is not

iiiAbout this manual...ivSafety information...1General safety ...

Lenovo ZhaoYang K2450 Hardware Maintenance Manual26Charging the batteryIt is recommended that you charge the battery or replace it with a charged batt

Related service information27Hibernation modeBy using this mode, you can turn off the computer completely without saving files or exiting from any pro

Lenovo ZhaoYang K2450 Hardware Maintenance Manual28This chapter presents the following product-specific service references and product-specific parts

Lenovo ZhaoYang K245029Display• Size: 317.5 mm (12.5 inches)•Resolution:– LCD: 1366-by-768– External monitor: Maximum 2048-by-1536• Camera• Built-in m

Lenovo ZhaoYang K2450 Hardware Maintenance Manual30The system status indicators below show the computer status:Status indicatorscba

Lenovo ZhaoYang K245031 Active Protection System™ (APS) status indicator• Green: Impact shock has been detected, so the hard disk drive is temporarily

Lenovo ZhaoYang K2450 Hardware Maintenance Manual32Your computer has several special keys and buttons to help you work more easily and effectively.Fun

Lenovo ZhaoYang K245033• Second screen onlyNote: You can also press the Windows key + P combination to switch between the computer display and an exte

Lenovo ZhaoYang K2450 Hardware Maintenance Manual34This section presents notices related to removing and replacing parts. Read this section carefully

Lenovo ZhaoYang K245035This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observ

ivThis manual contains service and reference information for the following Lenovo product:Lenovo ZhaoYang K2450Use this manual to troubleshoot problem

Lenovo ZhaoYang K2450 Hardware Maintenance Manual361010 KeyboardFigure 1. Removal steps of keyboardRemove screws .Loosen the keyboard with a flat bla

Lenovo ZhaoYang K245037Figure 1. Removal steps of keyboard (continued)Lift the keyboard a little , and then detach the connector in the direction sho

Lenovo ZhaoYang K2450 Hardware Maintenance Manual381020 Battery packFor access, remove this FRU:• “1010 Keyboard” on page 36Figure 2. Removal steps of

Lenovo ZhaoYang K245039Figure 2. Removal steps of battery pack (continued)Remove three screws .Insert the thin flat blade between the frame join near

Lenovo ZhaoYang K2450 Hardware Maintenance Manual40Figure 2. Removal steps of battery pack (continued)Unplug the battery connector in the direction sh

Lenovo ZhaoYang K2450411030 Dummy cardFigure 3. Removal steps of dummy cardsRemove the dummy card in the direction shown by arrows .a bab

Lenovo ZhaoYang K2450 Hardware Maintenance Manual421040 Hard disk driveFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Batt

Lenovo ZhaoYang K245043Figure 4. Removal steps of hard disk drive (continued)Hold the SATA receptacle connector with one hand and pull the hard disk d

Lenovo ZhaoYang K2450 Hardware Maintenance Manual441050 DIMMFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack” o

Lenovo ZhaoYang K2450451060 PCI Express Mini Card for wireless LAN/WAN and SSD cardFor access, remove these FRUs in order:• “1010 Keyboard” on page 36

Safety information1This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer:• “

Lenovo ZhaoYang K2450 Hardware Maintenance Manual46Figure 6. Removal steps of PCI Express Mini Card for wireless LAN/WAN and SSD card (continued)Remov

Lenovo ZhaoYang K2450471070 System boardFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack” on page 38• “1030 Dum

Lenovo ZhaoYang K2450 Hardware Maintenance Manual48Figure 7. Removal steps of system board (continued)Remove two screws , and then remove the speaker

Lenovo ZhaoYang K245049Figure 7. Removal steps of system board (continued)Unplug DC-IN cable connector in the direction , back-up battery connector i

Lenovo ZhaoYang K2450 Hardware Maintenance Manual50Figure 7. Removal steps of system board (continued)Remove the system board in the direction shown b

Lenovo ZhaoYang K2450511080 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack

Lenovo ZhaoYang K2450 Hardware Maintenance Manual52Figure 8. Removal steps of fan assembly and heat sink assembly (continued)Lift the fan assembly and

Lenovo ZhaoYang K2450531090 LCD unitFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack” on page 38• “1040 Hard di

Lenovo ZhaoYang K2450 Hardware Maintenance Manual54Figure 9. Removal steps of LCD unit (continued)Detach the LCD unit from the upper case.

Lenovo ZhaoYang K2450551100 Speaker, base cover, finger printer board, power assembly and LED boardFor access, remove these FRUs in order:• “1010 Keyb

Lenovo ZhaoYang K2450 Hardware Maintenance Manual2Follow these rules below to ensure general safety:• Observe a good housekeeping in the area where th

Lenovo ZhaoYang K2450 Hardware Maintenance Manual56Figure 10. Speaker, base cover, finger printer board, power assembly and LED board (continued)Remov

Lenovo ZhaoYang K245057Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. Apply those l

Lenovo ZhaoYang K2450 Hardware Maintenance Manual581110 LCD front bezelFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Batt

Lenovo ZhaoYang K2450591120 LCD panel, LCD cable and hingesFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack” on

Lenovo ZhaoYang K2450 Hardware Maintenance Manual60Figure 12. LCD panel, LCD cable and hinges (continued)Remove screws and the hinges in the directi

Lenovo ZhaoYang K2450611130 Integrated cameraFor access, remove these FRUs in order:• “1010 Keyboard” on page 36• “1020 Battery pack” on page 38• “104

Lenovo ZhaoYang K2450 Hardware Maintenance Manual621140 Antenna assembly and LCD coverFor access, remove these FRUs in order:• “1010 Keyboard” on page

Lenovo ZhaoYang K245063Front viewCameraCamera indicatorKeyboard lightPower buttonFingerprint readerRight-click buttonTouch padLeft-click buttonStatus

Lenovo ZhaoYang K2450 Hardware Maintenance Manual64Bottom viewBattery lockBatteryBattery latchSpeakersabcdadbcd

Lenovo ZhaoYang K245065Left-side viewSecurity keyholeac power connectorFan louversHDMI connectorUSB 2.0 connectorsCombo audio jackabcdefab c d e f

Safety information3Observe the following rules when working on electrical equipments.• Find the room emergency power-off (EPO) switch, disconnecting s

Lenovo ZhaoYang K2450 Hardware Maintenance Manual66Right-side viewMedia card reader slotUSB 3.0 connectorMonitor connectorEthernet connectorabcdab cd

Lenovo ZhaoYang K245067This section presents the following service parts:• “Overall” on page 68• “LCD FRUs” on page 72• “Keyboard” on page 74• “Miscel

Lenovo ZhaoYang K2450 Hardware Maintenance Manual68Overall23111417121068412(1)1315116db97a5ce

Lenovo ZhaoYang K245069Table 1. Parts list—OverallNo. FRU FRU no. CRU ID1 LCD unit (see “LCD FRUs” on page 72.)2 Keyboard (see “Keyboard” on page 74.)

Lenovo ZhaoYang K2450 Hardware Maintenance Manual70Table 1. Parts list—Overall (continued)No. FRU FRU no. CRU ID9 Hard disk drive, 500GB/5400rpm/9.5mm

Lenovo ZhaoYang K245071Table 1. Parts list—Overall (continued)No. FRU FRU no. CRU ID13 LK290S UMA Thermal Module W/FAN 90203902 **14 2GB DDRIIIL 1600

Lenovo ZhaoYang K2450 Hardware Maintenance Manual72LCD FRUsIn Lenovo ZhaoYang K2450, there are following types of LCDs.• “12.5 -in. HD TFT”3248795246

Lenovo ZhaoYang K24507312.5-in. HD TFTTable 2. Parts list—12.5-in. HD TFTNo. FRU FRU no. CRU ID1 LK290S LCD Bezel 902038962 LCD Bezel Screw Pad 902039

Lenovo ZhaoYang K2450 Hardware Maintenance Manual74KeyboardTable 3. Parts list—KeyboardLanguage P/N CRU IDkeyboard K2450Chicony blackframe Windows8En

Lenovo ZhaoYang K245075Miscellaneous partsTable 4. Parts list—Miscellaneous partsFRU P/N CRU IDSystem miscellaneous parts:• (a) LK290S HD Bracket• (a

Lenovo ZhaoYang K2450 Hardware Maintenance Manual4• Always look carefully for possible hazards in your work area. Examples of these hazards are moist

Lenovo ZhaoYang K2450 Hardware Maintenance Manual76AC adaptersTable 5. Parts list—3-pin AC adaptersTable 6. Parts list—ScrewFRU P/N CRU ID45W, AC Adap

Lenovo ZhaoYang K245077Power cordsA Lenovo power cord for a specific country or region is usually available only in that country or region:Table 7. Pa

Lenovo ZhaoYang K2450 Hardware Maintenance Manual78Lenovo may not offer the products, services, or features discussed in this document in all countrie

Notices79Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environme

Safety information5The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and