Lenovo V4400u Notebook- User Manual

About this manual This manual provides service and reference information for the following Lenovo ® products. Machine Machine Type (MT) Lenovo V4400u 20241 This manual provides information about the computer features, specifications, component locations,hardware replacement procedures, and parts lis...

Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you service aLenovo notebook computer.• “General safety” on page 1 • “Electrical safety” on page 1 • “Safety inspection guide” on page 3 • “Handling devices that are sensitive to...

• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • 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 and retains a charge even...

Chapter 2. General checkout This chapter contains the following topics:• “What to do first” on page 21 • “Power system checkout” on page 22 Before you go to the checkout instructions, ensure that you read the following important notes. Important notes: • Only certified trained personnel should servi...

• If the voltage is acceptable, do the following: a. Replace the system board.b. If the problem persists, call the Customer Support Center. Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery pack charges properly during...

5. Replace the system board if the new battery pack is not charged. 24 Hardware Maintenance Manual

Chapter 3. Important service information This chapter presents the following information:• “Recovering the computer settings” on page 25 • “Using passwords” on page 25 • “Power management” on page 25 Recovering the computer settings This topic provides information about the recovery programs that ar...

Chapter 4. Status indicators This topic presents the system status indicators that show the status of the computer. 1 2 3 Table 1. Status indicators Indicator Meaning 1 Active ProtectionSystem ™ status indicator Your computer might come with an APS status indicator. When this indicator is on,the APS...

Chapter 5. Fn key combinations The following table describes the functions of Fn key combinations. Table 2. Function key combinations Key combination Description Fn+Esc Turns on or off the camera. Fn+Space Enables or disables the keyboard light. (?) Fn+F1 Puts the computer into sleep mode. To resume...

Chapter 6. Locations This chapter provides information about component locations. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view 1 2 2 3 8 9 11 12 10 4 5 6 7 Figure 1. Front view 1 Camera 7 M...

Bottom view 1 2 Figure 2. Bottom view 1 Speakers 2 Integrated battery Note: The memory modules, hard disk drive, and wireless cards are located underneath the bottom slot cover. Locating FRUs and CRUs This topic introduces the following service parts:• “Major FRUs and CRUs” on page 35 • “LCD FRUs an...

– Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access panel that is typically secured by more than two screws. Once the access panel is removed, the specificCRU is visible. Major FRUs and CRUs 13 14 15 16 17 18 19 20 12 11 1 2 3 4 5 6 7 8 9 10 Tab...

Table 3. Major FRUs and CRUs (continued) No. FRU description CRU ID 12 Speakers N 13 Wireless LAN card N 14 M.2 solid-state drive N 15 Memory module N 16 System board N 17 Backup battery N 18 Touch pad and touch pad bracket N 19 LED board N 20 Lenovo OneLink connector cover N LCD FRUs and CRUs Lenov...

Table 4. LCD FRUs No. FRU description CRU ID 1 LCD Bezel N 2 Camera and microphones board N 3 Hinges N 4 Antennas N 5 LCD cover N 6 LCD cable N 7 LCD panel N 8 LCD bezel N Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go...

Chapter 7. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully beforereplacing any FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, calleda “Custo...

• If you are instructed to replace a FRU but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processor board and a system board. If you are instructed to replace either the processor board or the system board, but the replaceme...

Chapter 8. Removing or replacing a FRU This chapter provides instructions on how to remove or replace a FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, calleda “Customer Replaceable Unit” or “CRU.” Some CRUs are desi...

1010 Lenovo OneLink connector cover Removal steps of the Lenovo OneLink connector cover Remove the connector cover as shown in the following illustration. Note: Ensure that you reattach the connector cover to the Lenovo OneLink connector after finishing the servicing. 42 Hardware Maintenance Manual

1020 Base cover Removal steps of the base cover Remove the screws 1 , and then remove the base cover 2 . 1 1 1 1 2 1 1 1 1 Step Screw (quantity) Color Torque 1 M2 × 4.5 mm, flat-head, nylon-coated (8) Black 0.181 Nm(1.85 kgf-cm) Applying labels to the base cover The new base cover is shipped with a ...

1 2 3 1 CECP label 3 Genuine Microsoft label 2 S/N label 1030 Battery pack For access, remove this FRU:“1020 Base cover” on page 43 Removal steps of the Battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could igniteor explode. 44 Hardware Maint...

Disconnect the connector 1 , and then remove the screw 2 . 1 2 2 2 Step Screw (quantity) Color Torque 2 M2 × 4 mm, flat-head, nylon-coated (3) Black 0.181 Nm(1.85 kgf-cm) Remove the battery pack 3 . 3 When installing: Ensure that the connector is firmly attached. 1040 Backup battery For access, remo...

Disconnect the connector 1 and then remove the backup battery 2 . 1 2 1050 Memory modules For access, remove this FRU:“1020 Base cover” on page 43 Removal steps of the memory modules Release the two latches on both edges of the socket at the same time 1 , and then carefully remove the memory module ...

1060 PCI Express Mini Card for wireless LAN For access, remove this FRU:“1020 Base cover” on page 43 Removal steps of the PCI Express Mini Card for wireless LAN Unplug the connectors by using the antenna RF connector or pick up the connectors with your fingers andgently unplug them 1 . Then remove t...

Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the dr...

Important notice for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. This will cause all customer data onthe hard disk to be lost. Ensure that the customer has a current backup of the data before doing this task. Attention: • Do not drop the drive...

Remove the hard disk drive from the slot 2 . 2 When installing: Ensure that the hard disk drive connector is attached firmly. Removal steps of the hard disk drive bracket Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M3 × 3 mm, flat-head, nylon-coated (4) Silver 0.392 Nm(4.0 kgf...

Remove the hard disk drive bracket 2 . 2 1090 Fingerprint board bracket and fingerprint board For access, remove this FRU:“1020 Base cover” on page 43 Removal steps of the fingerprint board bracket and fingerprint board Remove the screw 1 , and then remove the fingerprint board bracket 2 . 2 1 Step ...

Removal steps of the speaker assembly Detach the connector 1 and then remove the screws and 2 . 2 2 1 Step Screw (quantity) Color Torque 2 M2.5 × 2.5 mm, flat-head, nylon-coated (2) Black 0.392 Nm(4.0 kgf-cm) Remove the speaker assembly 3 . 3 3 1110 Touch panel For access, remove these FRUs in order...

Removal steps of the touch panel Detach the connector 1 2 , and then remove the screws 3 . 1 1 2 3 3 3 3 Step Screw (quantity) Color Torque 3 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm(1.85 kgf-cm) When installing: Ensure that the connector is attached firmly to the system board. Remove t...

Remove the touch panel 5 . 1 5 1120 Hall sensor For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “1100 Speaker assembly” on page 52 Removal steps of the fingerprint board bracket and fingerprint board Remove the screw 1 , and then remove the ha...

• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “1100 Speaker assembly” on page 52 Removal steps of the media card reader slot board Detach the cable 1 , and then detach the connector 2 3 . 1 2 3 When installing: Ensure that the cable is firmly attached to the system board. 56 Hard...

Remove the screw 4 , and then remove the media card reader slot board 5 6 . 4 5 Step Screw (quantity) Color Torque 4 M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm(1.85 kgf-cm) 0 6 7 1140 Thermal module assembly For access, remove this FRU:“1020 Base cover” on page 43 Removal steps of the the...

For models with an integrated thermal module assembly a For models with a discrete thermal module assembly a b 1150 System board assembly For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “1080 Hard disk drive assembly” on page 48 • “1070 M.2 so...

• When you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface. Locating major sensitive components on the system board Attention: The following components mounted on a system board are extremely sensitive. Improper handling of a ...

Removal steps of the system board assembly Detach the connectors. 1 2 11 9 10 8 7 6 5 3 4 When installing: Ensure that all the connectors are firmly attached. Remove the screws. 12 12 12 12 13 13 Step Screw (quantity) Color Torque 12 M2 × 4 mm, flat-head, nylon-coated (4) Black 0.181 Nm(1.85 kgf-cm)...

Remove the system board. 14 1160 I/O board For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “1080 Hard disk drive assembly” on page 48 Removal steps of the I/O board Detach the connector 1 . 1 When installing: Ensure that the connector is attac...

Remove the screws 2 , and then remove the I/O board 3 . 3 2 2 Step Screw (quantity) Color Torque 2 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm(1.85 kgf-cm) 1170 Thermal sensor For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “1080 Har...

Remove the screw 2 and then remove the thermal sensor 3 . 2 3 Step Screw (quantity) Color Torque 2 M2.5 × 5 mm, flat-head, nylon-coated (1) Black 0.392 Nm(4.0 kgf-cm) For models with non-touch panel 2010 LCD Unit For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery p...

Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. 2030 Touch control board and LCD panel For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Batter...

Removal steps of the LCD panel 9 9 9 9 Step Screw (quantity) Color Torque 9 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm(1.85 kgf-cm) 11 10 10 10 10 10 10 10 10 10 10 10 10 10 10 13 14 12 68 Hardware Maintenance Manual

2020 LCD hinge kit For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “2010 LCD Unit” on page 64 Removal steps of the LCD hinge cap Remove the screws 1 . 2 1 1 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.18...

2 2 2040 Camera-and-microphone-combo card For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “2010 LCD Unit” on page 64 • “2020 LCD hinge kit” on page 69 • “2030 Touch control board and LCD panel” on page 66 70 Hardware Maintenance Manual

Removal steps of the LCD cable assembly 1 1 1 1 1 1 1 2 2 2 2 2 2050 Antenna kit and LCD rear cover For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “2010 LCD Unit” on page 64 • “2030 Touch control board and LCD panel” on page 66 • “2040 Camera...

Removal steps of the antenna kit and LCD rear cover 1 1 2 2 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you route the cables, ensure that they are not subject to any tension. Tension could damage the cables and wires. Chapt...

Antenna locations b a a Wireless LAN auxiliary antenna (black) b Wireless LAN main antenna (gray) For models with touch panel 2010 LCD Unit For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 Removal steps of the LCD unit 1 2 When installing: Ensure...

2040 Camera-and-microphone-combo card For access, remove these FRUs in order:• “1020 Base cover” on page 43 • “1030 Battery pack” on page 44 • “2010 LCD Unit” on page 74 • “2020 LCD hinge kit” on page 76 • “2030 Touch control board and LCD panel” on page 77 Removal steps of the camera-and-microphone...

Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: LenovoOneKey Microsoft and Windows are trademarks of the Microsoft group of companies. Other company, product, or service names may be trademarks or service marks of others. 86 Hardware Maintenance...