Lenovo IdeaCentre B305 User Manual

Contents iContentsChapter 1. About this manual ... 1Important Safety Information ...

Hardware Maintenance Manual8 Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (

Chapter 2. Safety information 9Safety noticesThe caution and danger safety notices in this section are provided in the the language of English.DA

Hardware Maintenance Manual10 CAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended

Chapter 2. Safety information 11CAUTION:Use safe practices when lifting.CAUTION:The power control button on the device and the power switch on th

Hardware Maintenance Manual12 General information3This chapter provides general information that applies to all machine types supported by this p

Chapter 4. General Checkout 13General Checkout4The drives in the computer you are servicing might have been rearranged or the drive startup seque

Hardware Maintenance Manual14 7. If you cannot continue, replace the last device tested.Problem determination tips Due to the variety of hardwar

Chapter 5. Using the Setup Utility 15Using the Setup Utility5The Setup Utility program is used to view and change the configuration settings of yo

Hardware Maintenance Manual16 Using passwordsBy using the Setup Utility program, you can set passwords to prevent unauthorized persons from gaini

Chapter 5. Using the Setup Utility 17Setting, changing, and deleting a Administrator passwordTo set, change, or delete a password, do the followi

Hardware Maintenance Manualii Power Supply Problems ... 22POST error

Hardware Maintenance Manual18 3. The password dialog box will be displayed. Type the new password, and press Enter.4. when prompted to confirm t

Chapter 5. Using the Setup Utility 19Selecting a startup deviceIf your computer does not start up (boot) from a device such as the CD-ROM, disket

Hardware Maintenance Manual20 Exiting from the Setup Utility programWhen you finish viewing or changing settings, press Esc to return to the Setup

Chapter 6. Symptom-to-FRU Index 21Symptom-to-FRU Index6The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause i

Hardware Maintenance Manual22 Error FRU/ActionThe boot sector on the start-up drive is corrupted.The drive must be formatted do the following:1.

Chapter 6. Symptom-to-FRU Index 23POST Error Message Description/ActionCMOS Date/Time Not Set The CMOS Date and/or Time are invalid. This error c

Hardware Maintenance Manual24 Undetermined problemsIf this computer has a parallel ATA hard disk drive, make sure that the hard disk drive is jum

Chapter 7. Locations 25Locations7This section provides illustrations to help locate the various connectors, controls and components of the comput

Hardware Maintenance Manual26 1 Computer stand 2 Computer cover3 Motherboard4 Shell5 Plastic frame6 Chassis7 LED panel 8 Front bezel9 Camera 10

Chapter 7. Locations 2718192021221731 2456789101112131415161 Memory module connector2 Camera connector3 Microprocessor4 Card reader connector5 US

Chapter 1. About this manual 1About this manual1This manual contains service and reference information for Lenovo IdeaCentre B3 computers listed

Hardware Maintenance Manual28 21 SATA connector22 LED panel connector

Chapter 8. Replacing hardware 29Replacing hardware8Attention Do not remove the computer cover or attempt any repair before reading the “Important

Hardware Maintenance Manual30 Removing the computer standAttention Turn off the computer and wait 3 to 5 minutes to let the computer cool down bef

Chapter 8. Replacing hardware 31125. Remove the 2 screws that secure the computer stand to the chassis. 6. Slide out the computer stand. 433War

Hardware Maintenance Manual32 To reinstall the computer stand1. Align then slide the computer stand back in and screw it back.2. Push the stand

Chapter 8. Replacing hardware 33To replace the memory module:1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down th

Hardware Maintenance Manual34 7. Push out the latches on both sides of the memory socket to release the memory module and gently pull the memor

Chapter 8. Replacing hardware 35To replace the optical driveNoteFor this procedure, it helps to place the computer face-down on a soft flat surfac

Hardware Maintenance Manual36 8. Remove the optical drive cover. 13333129. Install the new optical drive. (1) Connect the new optical drive to

Chapter 8. Replacing hardware 373. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any

Hardware Maintenance Manual2 Important information about replacing RoHS compliant FRUsRoHS, The Restriction of Hazardous Substances in Electrical

Hardware Maintenance Manual38 To replace the hard disk drive:NoteFor this procedure, it helps to place the computer face-down on a soft flat surfa

Chapter 8. Replacing hardware 396. Slide the hard disk drive out of the bay. 211117. Install the new hard disk drive. (1) Slide the new hard

Hardware Maintenance Manual40 6. Disconnect the antenna cable from the bluetooth module.7. Connect the antenna cable to the new bluetooth modul

Chapter 8. Replacing hardware 415. Disconnect the motherboard fan power cable.Replacing the heatsinkTo remove the heatsink:1. Removing the compu

Hardware Maintenance Manual42 5. Lift up the heatsink.6. Align then install the new heatsink.7. Align then install the motherboard cover back.

Chapter 8. Replacing hardware 437. Slide the system fan out and lift it up to remove it.8. Align then install the new system fan.9. Align then

Hardware Maintenance Manual44 6. Lift the microprocessor out of the retainer.7. Align then place the new microprocessor back and lock the retai

Chapter 8. Replacing hardware 455. Lift up the function panel.6. Align then screw in the new function panel.7. Connect the cable to the new fu

Hardware Maintenance Manual46 5. Remove the screw that secures the WLAN card to motherboard, and pull out the WLAN card. 6. Align then insert t

Chapter 8. Replacing hardware 476. Lift up the speakers system.7. Align then screw in the new speakers system.8. Connect the new speakers cabl

Chapter 1. About this manual 3California Senate Bills 20, 50: • http://www.ciwmb.ca.gov/HHW/Events/AnnualConf/2004/presentation/MPaparian.pdf

Hardware Maintenance Manual48 5. Lift up the inverter cover.6. Disconnect all the cables from the inverter board.7. Remove the 2 screws that s

Chapter 8. Replacing hardware 499. Connect the cables to the new inverter board.10. Align then screw in the new inverter board.11. Install the o

Hardware Maintenance Manual50 Removing the TV antenna connectorTo remove the TV antenna connector:1. Remove the computer stand. Refer to “Removi

Chapter 8. Replacing hardware 519. Remove the TV antenna connector. Refer to "Removing the TV antenna connector".10. Remove all the ca

Hardware Maintenance Manual52 4. Lift up the shell.Replacing the cameraTo replace the camera1. Remove the computer stand. Refer to “Removing th

Chapter 8. Replacing hardware 536. Disconnect the cable from the camera.4. Connect the cable to the new camera.5. Align then screw in the new

Hardware Maintenance Manual54 6. Disconnect the cables from the touch module.4447. Reconnect the cables to the new touch module.8. Align then

Chapter 8. Replacing hardware 557. Disconnect the LED cable from the LED panel.8. Remove the shell. Refer to “Removing the shell”.9. Remove th

Hardware Maintenance Manual56 12. Remove the 4 screws that secure the LED panel to the Chassis.13. Lift up LED panel and disconnect the cable tha

Chapter 8. Replacing hardware 57Replacing the keyboard AttentionDo not remove the computer cover or attempt any repair before reading the “Import

Hardware Maintenance Manual4 Safety information2This chapter contains the safety information that you need to be familiar with before servicing a

Hardware Maintenance Manual58 Replacing the mouseAttentionDo not remove the computer cover or attempt any repair before reading the “Important sa

Chapter 8. Replacing hardware 59Replacing the power cord or power adapterAttentionDo not remove the computer cover or attempt any repair before r

Hardware Maintenance Manual60 Additional ServiceInformation9This chapter provides additional information that the service representative might fin

Appendix. Statement 61StatementAThank you for using Lenovo products.Carefully read all of the documents shipped with your computer before you ins

Hardware Maintenance Manual62 Customers are welcome to contact us regarding any inconsistency between the product and the manuals included with y

Chapter 2. Safety information 5Wear safety glasses when you are: hammering, drilling soldering, • cutting wire, attaching springs, using solvents

Hardware Maintenance Manual6 If you need to work on a machine that has exposed electrical circuits, • observe the following precautions: – Ensur

Chapter 2. Safety information 7Safety inspection guideThe intent of this inspection guide is to assist you in identifying potentially unsafe cond