Page 5 - Contents; iii
Contents Chapter 1. About this manual . . . . . . 1 Important Safety Information . . . . . . . . . . 1 Chapter 2. Safety information . . . . . . 3 General safety . . . . . . . . . . . . . . . . 3 Electrical safety . . . . . . . . . . . . . . . 3 Safety inspection guide . . . . . . . . . . . . 5 Hand...
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iv Lenovo B40–30 All-In-One Computer Hardware Maintenance Manual
Page 7 - Chapter 1. About this manual; Important Safety Information
Chapter 1. About this manual This manual contains service and reference information for Lenovo B40–30 All-In-One computers listed onthe 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 Infor...
Page 9 - Chapter 2. Safety information; General safety
Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Keep the areas around the computer clear and clean during and after maintenance. • When lifting any ...
Page 12 - Grounding requirements; DANGER
• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative a...
Page 13 - • Throw into or immerse in water
To Connect To Disconnect 1. Turn everything OFF. 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. Turn device ON. 1. Turn everything OFF. 2. First, remove power cords from outlets. 3. Remove signal cables from connectors. 4. Remove al...
Page 15 - Chapter 3. General information; Specifications
Chapter 3. General information This chapter provides general information that applies to all computer models covered by this manual. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo B40–30 T...
Page 17 - Chapter 4. General Checkout
Chapter 4. General Checkout Attention: The drives in the computer you are servicing might have been rearranged or the drive startup sequence may have been changed. Be extremely careful during write operations such as copying, saving, orformatting. Data or programs can be overwritten if you select an...
Page 19 - Chapter 5. Using the Setup Utility; Password considerations
Chapter 5. Using the Setup Utility The Setup Utility program is used to view and change the configuration settings of your computer, regardlessof which operating system you are using. However, the operating system settings might override any similarsettings in the Setup Utility program. Starting the...
Page 21 - Enabling or disabling a device
To set a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See ”Starting the Lenovo BIOS Setup Utility program” on page 13.) 2. From the Security menu, select Set Power-On Password and press the Enter key. 3. The password dialog box will be displayed. Type the pass...
Page 22 - Selecting a startup device
Select ATA Device Setup , press the Enter key, then select SATA Mode . Select Audio Setup , press the Enter key, then select Onboard Audio Controller . Select Network Setup , press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent . 4. Select Disabled or Enabled and press the Ent...
Page 23 - Exiting the Lenovo BIOS Setup Utility program
a. If you do not want to save the settings, select Discard changes and Exit from the menu. b. If you have changed these settings and want to return to the default settings, select Load Optimal Defaults from the menu. Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing ...
Page 25 - Hard disk drive boot error; Power Supply Problems
Chapter 6. Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first.Always begin with Chapter 4, “General Checkout,” on page 11. This index can also be used to help youdecide which FRUs to have available when servicing a computer. ...
Page 26 - POST error codes; Undetermined problems
POST error codes Each time you turn the computer on, it performs a series of tests to check that the system is operatingcorrectly and that certain options are set. This series of tests is called the Power-On Self-Test , or POST . POST does the following: • Checks some basic motherboard operations • ...
Page 27 - Chapter 7. Replacing hardware; General information; Pre-disassembly instructions
Chapter 7. Replacing hardware Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and WarrantyGuide, go to the Support Web site at: ht...
Page 28 - Replacing the keyboard and mouse; To replace the keyboard:; Replacing the adapter
Replacing the keyboard and mouse Note: Your keyboard will be connected to a USB connector at either side or at the rear of the computer. To replace the keyboard: Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, andturn off all attached devices. Step 2. ...
Page 29 - Removing the stand base
Step 2. Disconnect the power cord from the connector on the computer 1 , then unplug the power cord from electrical outlet. 2 B40 -30 Step 3. Connect the new adapter cord as shown. B 40-30 Removing the stand base Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before rem...
Page 30 - Removing the foot cover
Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)cables, and any other cables that are connected to the computer. Refer to “Left and right views”and “Rear view” for help with locating the vari...
Page 31 - Replacing the memory module
Step 5. Lift up the stand holder then slide out the foot cover as shown. 1 2 Step 6. To reattach the foot cover: a. Lift up the stand holder. b. Line up the foot cover with mounting holes on the back of the computer, then slide it back intoposition. Replacing the memory module Attention: Turn off th...
Page 32 - Replacing the hard disk drive
Step 6. Remove the memory shielding as shown. Step 7. Push out the latches on both sides of the memory socket to release the memory module 1 and gently pull the memory module upward to remove it from its socket. 2 Step 8. To install the new memory module: a. Align the new memory module with the memo...
Page 33 - Replacing the optical drive
Step 6. Lift out the hard disk drive and bracket as shown. Step 7. Push the lock pins outward to release the hard disk drive from the bracket. Step 8. To install the new hard disk drive: a. Line up the new hard disk drive with the bracket and secure it with the pins. b. Connect the data and power ca...
Page 34 - Removing the stand holder
Step 6. Locate the optical removal notch, and then use a screw driver push the optical drive out. Step 7. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disksprings out as shown. Step 8. Remove the 2 screws that secure the optical drive to the metal b...
Page 35 - To remove the stand holder:; Removing the middle cover; To remove the middle cover:
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratchesor other damage. To remove the stand holder: Step 1. Remove any media (disks, CDs, DVDs...
Page 37 - Replacing the converter board; To replace the converter board:; Removing the EMI cover
Replacing the converter board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to ...
Page 38 - To replace the EMI cover; Replacing the Wi-Fi card
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratchesor other damage. To replace the EMI cover Step 1. Remove any media (disks, CDs, DVDs, o...
Page 39 - Replacing the TV tuner card; To replace the TV tuner card
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operatingsystem, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, ...
Page 40 - Replacing the heat-sink
Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)cables, and any other cables that are connected to the computer. Refer to “Left and right view”and “Rear view” for help with locating the vario...
Page 41 - Replacing the CPU; To replace the CPU
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)cables, and any other cables that are connected to the computer. Refer to “Left and right view”and “Rear view” for help with locating the various connectors. Step 4. Remove the stand base. Refer to “...
Page 43 - Replacing the system fan
Step 12. Holding the sides of the microprocessor with your fingers, remove the protective cover 1 that protects the gold contacts on the new microprocessor. 2 Step 13. Holding the sides of the microprocessor with your fingers, position the microprocessor so that the notches on the microprocessor are...
Page 44 - To replace the system fan; Replacing the speaker system
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratchesor other damage. To replace the system fan Step 1. Remove any media (disks, CDs, DVDs, ...
Page 45 - To replace the speaker system:; Replacing the power switch board; To replace the power switch board
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratchesor other damage. To replace the speaker system: Step 1. Remove any media (disks, CDs, D...
Page 46 - Replacing the motherboard; To replace the motherboard:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operatingsystem, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, ...
Page 48 - Removing the rear deco; To remove the rear deco:
Step 17. Remove the seven screws that secure the motherboard to the chassis and lift the motherboard up to remove it. Step 18. To install the new motherboard: a. Line up the holes on the new motherboard with the mounting holes chassis and place the newmotherboard into position. b. Use the screws to ...
Page 49 - Replacing the camera; To replace the camera:
Step 4. Remove the stand base. Refer to “Removing the stand base”. Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder. Refer to “Removing the stand holder”. Step 8. Remove the mi...
Page 50 - Replacing the LED panel module; To replace the LED panel module:
Step 6. Remove the hard disk drive. Refer to “Replacing the hard disk drive”. Step 7. Remove the optical drive. Refer to “Replacing the optical drive”. Step 8. Remove the stand holder. Refer to “Removing the stand holder”. Step 9. Remove the middle cover. Refer to “Removing the middle cover”. Step 1...
Page 63 - Chapter 9. General information; Additional Service Information; Power management
Chapter 9. General information This chapter provides general information that applies to all computer models covered by this manual. Additional Service Information This chapter provides additional information that the service representative might find helpful. Power management Power management reduc...