Lenovo K450e Lenovo K4 Series Hardware Maintenance Manual
Lenovo K450e Manual
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- Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 1
Lenovo K4 Series Hardware Maintenance Manual Machine Types: 10181/90B3 [K450e Non-ES];10182/90B4 [K450e ES] - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 2
First Edition (April 2014)15th © Copyright Lenovo 2014. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 3
28 Replacing a graphics card 29 Replacing the Power supply 30 Replacing the microprocessor fan 31 Replacing the heat-sink 32 Replacing the CPU 33 Replacing the Wi-Fi card 35 Replacing the motherboard 36 FRU lists 37 Chapter 9. General information . . . . 45 Additional Service Information 45 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 4
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Chapter 1. About this manual This manual contains service and reference information for Lenovo K450e computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information. The - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 6
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safe place, away from all personnel, while you are servicing the machine. • Keep your tool case away from power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. © Copyright Lenovo - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 8
machine: - Power supply units - Pumps - Blowers and fans - Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: - Use caution; do not become a victim yourself. - Switch off power. 4 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 9
users and service personnel from injury. This guide addresses only those problem. Consider these conditions and the safety hazards they present: • Electrical hazards, especially primary power at the same charge. Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 10
the specific service power instructed otherwise in the installation and configuration procedures. • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. 6 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 11
to connectors. 4. Attach power cords to outlet. 5. Turn device ON. To Disconnect 1. Turn everything OFF. 2. First, remove power cords from outlet. 3. hazardous laser radiation. There are no serviceable parts inside the device. • Use of controls or adjustments or performance of procedures other - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 12
≥32 kg(70.5 lbs) ≥55 kg(121.2 lbs) CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 13
applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo K450e This section lists the physical specifications. Environment Air temperature - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 14
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cause of the problem: 1. Power-off the computer and all external devices. 2. Check all cables and power cords. 3. Set all display controls to the middle position. 4. Power-on all external devices. 5. Power-on the computer. • Look for displayed error codes • Look for readable instructions or a main - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 16
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system and turn off the computer. 2. Press and hold the F1 key then turn on the computer. When the Lenovo BIOS Setup Utility program is displayed, release the F1 key. Note: If a Power-On Password or an Administrator Password has been set, the Setup Utility program menu is not displayed until you - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 18
cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password Note: A password can be any combination of letters and numbers up to 16 character (a-z, and 0-9). 14 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 19
Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See "Starting the Lenovo BIOS Setup Select IDE or ACHI mode. Device driver support is required for ACHI mode. Depending on Controller or Boot Agent Select whether to enable or disable Onboard Ethernet Controller, - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 20
Controller. Network Setup press the Enter key, then select Onboard Ethernet Support or Boot Agent. 4. Select Disabled or Enabled and press the Enter key. 5. Return to the Lenovo BIOS the device in the boot sequence. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 21
changes and Exit from the menu. When the Save & reset window shows, select the Yes button, and then press the Enter key to exit the Lenovo BIOS Setup Utility program. • If you do not want to save the settings, select Discard changes and Exit from the menu. When the Reset Without Saving - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 22
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power supply problem. Check/Verify Check that the following are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. Check the power-on switch. FRU/Action Reseat connectors Power Cord Power-on Switch - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 24
disk drive f. Disk drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or component. If all devices and components have been removed and the problem continues, replace the system board. 20 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 25
disk drive 3 Graphics card 4 System board 5 Microprocessor fan and heatsink 6 Power supply Identifying parts on the system board The system board (also known as the "mainboard" or "motherboard") is the main circuit board in your computer. It provides basic computer functions and supports a variety - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 26
Lenovo K450e 12 3 Lenovo K450e 4 5 6 7 8 9 10 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 1 12V power connector 2 Microprocessor and heat sink 3 Microprocessor fan header 4 Memory slots (4) 5 Thermal sensor header 6 Mini PCI-E slot 7 Power connector 8 Front USB slot 9 PCI express X 16 adapter - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 27
that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to the Support Web site at: http://consumersupport.lenovo.com General information Pre-disassembly instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 28
This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Locating connectors on the rear of the computer". Remove the two screws that secure the computer cover at the rear of the chassis. 24 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 29
Step 5. Slide the computer cover out to remove it. Step 6. To reinstall the computer cover: a. Line up the computer cover with the chassis then slide it back. b. Secure the computer cover to the chassis with the screws. Removing the front bezel Note: For this procedure, it helps to lay the - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 30
cover". Locate the memory module connectors. Refer to "Locating components". Remove the memory module to be replaced by opening the retaining clips as shown. 26 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 31
computer flat. To replace a hard disk drive: Step 1. Step 2. Step 3. Remove the computer cover. Refer to "Removing the computer cover". Disconnect the data and power cables from the hard disk drive. Lift up the plastic handle and slide the hard disk drive out of the drive bay. 1 2 1 2 Chapter - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 32
the drive bay and slide the drive bay into place. Connect the power and signal cables to the new hard disk drive. Reattach the computer into position. Connect the data and power cables to the new disk drive. Reattach the front bezel and computer cover. 28 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 33
Note: For this procedure, it helps to lay the computer flat. To replace a graphics card: Step 1. Remove the computer cover. Refer to "Removing the computer cover". Step 2. Remove the screw that secures the graphics card fixing bracket and lift the bracket up. Step 3. Remove the screw that secures - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 34
graphics card latch to the closed position and secure it with the screw. Reattach the graphics card fixing bracket and computer cover. Replacing the Power supply Note: For this procedure, it helps to lay the computer flat. To replace the Power supply: 30 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 35
to "Removing the computer cover". Disconnect the power cables from the connectors on motherboard. 1 Remove the 4 screws that secure the Power supply to the chassis. 2 Slide then lift the Power supply out of chassis. 3 4 4 1 3 2 Step 8. Install the new power supply: a. Line up the holes on the new - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 36
the heat-sink and secure it to the heat-sink with 4 screws. b. Connect the microprocessor fan power cable to the connector on the board. Step 8. Reattach the computer cover. Replacing the heat-sink 4 screws that secure the heat-sink to the motherboard. 32 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 37
secure it with the 4 screws. b. Reattach the microprocessor fan to the heat-sink. c. Reconnect the microprocessor fan power cable to the connector on the motherboard. Step 9. Reattach the computer cover. Replacing the CPU Note: For this procedure, it helps to lay the computer flat. To replace the - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 38
sides. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. 34 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 39
. Step 10. Lower the microprocessor straight down into its socket on the motherboard. Step 11. To secure the microprocessor in the socket, close the microprocessor fan, computer cover. Replacing the Wi-Fi card Note: For this procedure, it helps to lay the computer flat. Chapter 8. Replacing hardware - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 40
screws that secure the Wi-Fi card to the motherboard. Pull the Wi-Fi card upward to remove it from the card port. Step 8. Install the new Wi-Fi card: a. Line up the new Wi-Fi card, then insert it into the same card port. b. Secure the Wi-Fi card to the motherboard with the 2 screws. c. Connect the - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 41
3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that Wi-Fi card, CPU, and the heat-sink to the new motherboard. c. Connect the all cables to the new motherboard. d. Attach the graphic card to the new motherboard. Step 15 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 42
I7-4770 3.4/1600/8/1150 84 CPU I I5-4440 3.1/1600/4C/6M/1150 84 CPU I I3-4130 3.4/1600/2C/3M/1150 54 CPU I G3220 3.0/1333/2C/3M/1150 54 CPU I I7-4790 3.6/1600/4C/8M/1150 84W CPU I I5-4460 3.2/1600/4C/6M/1150 84W CPU N N N N N N N 2 2 2 2 2 2 2 2 2 2 2 2 38 Lenovo K4 SeriesHardware Maintenance Manual - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 43
DH-12B2SH HH Black BD Recorder-LH HLDS BH40N Blu-ray Recorder-LH(BE) Graphic Card MSI@Geforce GTX 750@2G/A/2D/mHDMI Graphic Card 1100649 2 1100966 2 1100807 2 1100908 2 1100909 2 1100612 2 1100611 2 1100217 2 1100647 2 1100669 2 1100648 2 16200247 2 16200178 2 16200512 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 44
235@1G/A/DB/H Graphic Card MSI@R5 235@1G/A/DB/H Graphic Card Bitland@R7 240@2G/A/DB/H Graphic Card MSI@R9 255@2G/A/D/DP/H Graphic Card Power Supply Acbel PC6001-EL9G ATX280W PSU Liteon PS-5281-7VR5-RoHS ATX280W PSU Huntkey HK380-12GP S2(S7) ATX280W PSU ACBEL PC6001-EL9G ATX 280W PSU LITEON PS-5281 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 45
(USB2.0)ODD Tableting JT LX-319DTF Top Cap W/O cable JT LX-319DTF USB&CR Bracket JT LX-319DTF HDD Bracket LS K4 LED/switch cable_650mm JH K4 LED/switch cable_650mm Keyboard & Mouse Sunrex EKB-10YA(US) B-Silk USB KB-LVT8 Primax KB4721(US) B-Silk USB KB-LVT8 Chicony KU-1153(US) B-Silk - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 46
4G KB-Black8 Liteon SK-8861(PT) 2.4G KB-Black8 Liteon SK-8861(BE-EN) 2.4G KB-Black8 42 Lenovo K4 SeriesHardware Maintenance Manual 25209139 1 25209140 1 25209141 1 25209142 1 25209143 1 25209144 1 25-200528 1 25-200529 1 25-200530 1 25200531 1 25013797 1 25213876 1 25209175 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 47
Liteon SK-8861(DU) 2.4G KB-Black8 Liteon SM-8861(WW) Mouse Black Liteon SM-8861 Mouse(No Battery) Black 25209203 1 25203464 1 25203465 1 Chapter 8. Replacing hardware 43 - Lenovo K450e | Lenovo K4 Series Hardware Maintenance Manual - Page 48
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of the computer such as the system power supply, processor, hard disk drives, and some monitors. Advanced configuration and power interface (ACPI) BIOS As this computer has an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the
LenovoK4Series
Hardware Maintenance Manual
MachineTypes:10181/90B3[K450eNon-ES];10182/90B4[K450eES]