Lenovo M490s notebook- Manuals

About this manual This manual provides service and reference information for the following Lenovo ® products. Machine Machine Type (MT) Lenovo M490s 6275, 6276, 20214, 20215 This manual provides information about the computer features, specifications, component locations,hardware replacement procedu...

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 more than +12.0 V dc, discharge the battery pack until the voltage becomes less than +12.0 V dc and then recharge the battery pack. If the voltage still is less than +12.0 V dc afterrecharging, replace the battery pack. Note: Recharging will take at least three hours, even if the...

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 26 Recovering the computer settings This topic provides information about the recovery programs that ar...

Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. • Power-on password : A power-on password protects the computer from being turned on by an unauthorized person. If a power-on password has been set, the ...

Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk drive. • The system is powered off. If you have defined one of the following actions as the event that causes the computer to enter hibernationmode, perform that act...

Chapter 4. Status indicators This topic presents the system status indicators that show the status of the computer. 1 2 3 4 Table 1. Status indicators Indicator Meaning 1 Device accessstatus indicator Green: The hard disk drive is reading or writing data. Attention: • When the indicator is on, do no...

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 • Windows 7: Changes the camera and audio settings. • Windows 8: Turns on or off the camera. Fn+F1 Puts the computer into sleep mod...

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 7 3 4 5 6 5 10 9 8 12 11 Figure 1. Front view 1 Camera (...

Bottom view 2 10 1 4 3 4 5 6 7 8 9 Figure 2. Bottom view 1 Battery lock 6 Fan louvers 2 Battery pack 7 USB 2.0 connector 3 Battery latch 8 Combo audio jack 4 Speakers 9 Media card reader slot 5 Security keyhole 10 Bottom slot cover Note: The memory modules, hard disk drive, and wireless cards are lo...

– Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other self-service CRUsdepending on product design might include the memory module, wireless card, keyboard, and palm...

Table 3. Major FRUs and CRUs No. FRU description CRU ID 1 LCD unit N 2 Keyboard bezel N 3 DC-in connector N 4 Speakers N 5 Fingerprint board N 6 Fingerprint board bracket N 7 System board N 8 Wireless LAN card ** 9 Backup battery * 10 Hard disk drive ** 11 Hard disk drive bracket N 12 Battery pack *...

1 2 3 4 6 7 5 Table 4. LCD FRUs No. FRU description CRU ID 1 LCD Bezel N 2 Hinges N 3 Camera and microphones board N 4 LCD cover N 5 Antennas N 6 LCD cable N 7 LCD panel 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 Battery pack 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. Unlock the battery lock 1 . Hold the battery latch in the unlocked position, and then remove the battery pack 2 . 1 2 2 When instal...

Removal steps of the bottom slot cover Remove the screws 1 , and then remove the bottom slot cover 2 . 2 1 1 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm(1.85 kgf-cm) 1030 Memory modules For access, remove these FRUs in order:• “1010 Battery pack” on pag...

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 2 . 2 1 1 When installing: Insert the notched end of the memory module into the socket. Press the memory module firmly, and pivot it downward until...

1040 Hard disk drive assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 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 onth...

Remove the hard disk drive from the slot. 3 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 × 4 mm, flat-head, nylon-coated (4) Black 0.392 Nm(4.0 kgf-cm)...

Removal steps of the PCI Express Mini Card for wireless LAN In steps 1 , unplug the connectors by using the antenna RF connector or pick up the connectors with your fingers and gently unplug them. Then remove the screws 2 . 1 1 2 2 Step Screw (quantity) Color Torque 2 M2 × 3 mm, flat-head, nylon-coa...

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...

Removal steps of the backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could igniteor explode. Carefully pry the backup battery out using a screwdriver. 1080 Base cover For access, remove these FRUs in order:• “1010 Battery pack” on page 42 •...

Removal steps of the base cover Remove the screws 1 and 2 . 1 1 1 1 1 1 1 1 1 1 1 1 2 Step Screw (quantity) Color Torque 1 M2.5 × 7 mm, flat-head, nylon-coated (12) Black 0.392 Nm(4.0 kgf-cm) 2 M2.5 × 5 mm, flat-head, nylon-coated (1) Black 0.392 Nm(4.0 kgf-cm) Remove the base cover. 3 3 3 3 3 3 3 3...

The following illustration shows the label locations on the base cover. 1 2 3 4 7 8 6 5 1 Barcode label 5 Bluetooth label 2 KCC label 6 Wireless LAN label 3 Indonesia D side label 7 PPT label for China 3G models 4 Rating label 8 Certificate of Authentication label (on Windows 7 models only) 1090 Med...

Removal steps of the media card reader slot board Remove the screw 1 , and then detach the cable. 3 2 1 Step Screw (quantity) Color Torque 1 M2.5 × 3 mm, flat-head, nylon-coated (1) Black 0.392 Nm(4.0 kgf-cm) When installing: Ensure that the cable is attached firmly to the system board. Remove the m...

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 Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm(1.85 kgf-cm) Detach the fingerprint connector. 4 3 When installin...

Remove the fingerprint board. 5 1120 Thermal module assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover” on page 49 Removal steps of the thermal module assembly Detach t...

Loosen the screws 2 to 7 . 3 5 2 6 7 4 Remove the thermal module assembly. Attention: Be careful not to damage the connector. 8 When installing: Before you attach the thermal module assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a and b as shown in the ...

For models with a discrete thermal module assembly a b 1130 DC-in connector For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover” on page 49 • “1120 Thermal module assembly” on pa...

Removal steps of the power board Remove the screws 1 . 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 5 mm, flat-head, nylon-coated (3) Black 0.392 Nm(4.0 kgf-cm) In step 2 , open the LCD hinge by pivoting it upward. Then detach the connector. 2 4 3 When installing: Ensure that the connector is a...

For models with a discrete thermal module assembly a b c Removal steps of the system board assembly Remove the screws 1 . 1 1 1 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 5 mm, flat-head, nylon-coated (6) Black 0.392 Nm(4.0 kgf-cm) When installing: Ensure that all the connectors are attached ...

Remove the screws 16 , and then remove the system board assembly 17 . 17 16 16 16 Step Screw (quantity) Color Torque 16 M2.5 × 3 mm, flat-head, nylon-coated (3) Black 0.392 Nm(4.0 kgf-cm) 1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit For access, remove these FRUs in order:• “1010 B...

Removal steps of the touch pad assembly, speakers, keyboard bezel, and LCD unit Remove the screws 1 and then remove the touch pad bracket 2 . 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm(1.85 kgf-cm) Remove the touch pad. 3 Remove the speakers. 1 1...

Remove the keyboard bezel. 1 2010 LCD front bezel For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • “1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit” on page 62 Removal steps of the LCD front bezel Remove the screws 1 . 1 1 Step Screw (quantity) Color Torque 1...

Remove the LCD front bezel. 2 2 2 2 When installing: Ensure that all the latches are attached firmly. Then secure the bezel with the screws. 2020 Camera and microphone board For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • “1160 Touch pad assembly, speakers, keyboard bezel, ...

Removal steps of the camera and microphone board Detach the connector 1 and then peel off the camera and microphone board 2 . Note: The camera and microphone board is adhered to the top center of the LCD cover. 1 2 When installing: Adhere the camera and microphone board to the top center of the LCD ...

Removal steps of the LCD panel and LCD cable Remove the screws 1 , and then remove the LCD panel 2 . 1 1 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm(1.85 kgf-cm) Turn over the LCD panel. Then detach the LCD cable. 3 4 5 When installing: Ensure tha...

Removal steps of the hinges Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm(1.85 kgf-cm) Remove the hinges. 2 2 2040 Antenna assembly and LCD rear cover For access, remove these FRUs in order:• “1010 Battery pack” on page 42 • ...

Removal steps of the antenna assembly and LCD rear cover Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges. 1 1 1 1 1 1 2 2 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you r...

Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information inthe User Guide . EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other c...