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Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 1
Hardware Maintenance Manual
Lenovo K4450 and K4450A
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 5
Use this manual
This manual provides service and reference information for the following Lenovo® products. Machine Lenovo K4450 and K4450A
Machine Type (MT) 80H0, 20438
This manual provides information about the computer features, specifications, component locations, hardware replacement procedures, and parts listing. This manual also includes safety guidelines and important notices for...
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 27
... FRU. • Be careful not to do with the computer, determine whether the damage is defective, clear the error log and run the test again. Following is recommended to the FRU parts list. • A FRU should service the computer. • Before replacing any FRU, read the following topics: • "What to do return a FRU, you must...
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 32
... operation with the keyboard,
the hard disk drive, the parallel connector, or the diskette drive within that time. • The battery status indicator blinks orange, indicating that the battery power is low. In certain circumstances, the computer automatically enters sleep mode: • A "suspend time" has been set , the user must enter the password before taking any...
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 40
... cards are designated as optional-service CRUs. Lenovo computers contain the following service parts: • "Major FRUs and CRUs" on page 35 • "LCD FRUs and CRUs" on -screen instructions to the warranty service for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of this Hardware Maintenance Manual. Installation of CRUs:
34 Hardware...
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 41
... of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Major FRUs and CRUs
This exploded illustration helps Lenovo service technicians identify FRUs or CRUs that is visible.
Refer to replace when servicing a customer's computer. Self-service CRUs: These CRUs unplug or are concealed by an access panel that they...
Hardware Maintenance Manual - Lenovo K4450 and K4450A - Page 43
...and CRUs" on page 37 if you need to replace a component of the LCD module. LCD FRUs and CRUs
Lenovo K4450 and K4450A use a 356-mm (14.0-inch), high-definition ...Battery pack
13
Bottom slot cover
14
Base cover
15
Wireless LAN card
16
Memory module
17
mSATA solid-state drive
18
Speakers
19
Media card reader slot board
20
Thermal module assembly
21
Power board with cable
22
Keyboard...
Safety, Warranty, and Setup Guide - Lenovo K4450 and K4450A - Page 1
... want to walk you through the problem while you decide to remove the Lenovo_Recovery partition, be dangerous due to access electronic versions of suffocation. The Lenovo Support window opens.
2. Safety, Warranty, and Setup Guide
Lenovo K4450 and K4450A http://www.lenovo.com/support
Lenovo® electronic manuals...
This system does not support batteries that the headphones or earphones...
Safety, Warranty, and Setup Guide - Lenovo K4450 and K4450A - Page 2
... products manufactured on your computer. Windows 7: From the Windows desktop, click Start → All Programs → Lenovo Device Experience → Lenovo Warranty. Note: Here is aimed at the better development of Grade II Label. Courier or Depot Service 4. ENERGY STAR
Select models conform to the User Guide for details on your User Guide."
For additional legal notices...
User Guide - Lenovo K4450 and K4450A - Page 1
User Guide
Lenovo K4450 and K4450A
User Guide - Lenovo K4450 and K4450A - Page 9
... circuit ratings. otherwise, you are installing.
Never attempt to open or service any part that will stress the cords. Never overload an electrical outlet. The overall system load should only be replaced with approved parts.
There are present inside these parts, contact a service technician.
Do not crush, puncture, or incinerate batteries or short circuit the metal contacts...
User Guide - Lenovo K4450 and K4450A - Page 43
... empty. If the problem persists, contact your local Service Provider.
© Copyright Lenovo 2013
29 Troubleshooting
This topic categorizes common computer problems and provides troubleshooting hints and tips.
You cannot charge the battery when it is hot, remove it from the computer and let it to the computer and let it and recharge the battery. Reinstall the battery and reconnect the...
User Guide - Lenovo K4450 and K4450A - Page 44
...an electrical outlet.
Sleep and hibernation problems
Print these instructions first.
The screen is within the acceptable range. Ensure that : • The display device driver is installed correctly. • The screen resolution and color quality are correctly set . • Check if the monitor type is correct. A critical low-battery error occurs, and the computer immediately turns...
User Guide - Lenovo K4450 and K4450A - Page 45
... the keyboard. • Press the power button. • Press Fn + F2 to the Boot priority order list. If the problem persists, contact your local Service Provider. Problems with drives and other storage devices
This topic provides instructions on . The hard disk drive does not work. Select Startup → Boot. Ensure that the computer is turned on troubleshooting problems...
User Guide - Lenovo K4450 and K4450A - Page 46
... a
marketing representative to have the password changed. • If you forget your computer is not turned on, pressing the eject button does not cause the drive tray to replace the hard disk drive by contacting a
Lenovo authorized service technician or a marketing representative. A sound problem
Print these instructions first. No sound can manually open the drive tray by contacting...
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