Hardware Maintenance Manual - Lenovo K4450 and K4450A
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...What to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Chapter 2. Notices 79 Trademarks 80 © Copyright Lenovo 2014 i Contents About this manual iii Chapter 1. Locations 33 Locating computer controls, connectors, and indicators 33 Front view 33 Bottom view 34 Locating FRUs ... Chapter 7. Status indicators . . . . . 29 Chapter 5. Removing or replacing a FRU 47 General guidelines 47 1010 Battery pack 48 1020 Bottom slot cover 48 1030 Memory modules 49 1040 Hard disk drive assembly 51 1050 PCI Express Mini Card ...
...What to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Chapter 2. Notices 79 Trademarks 80 © Copyright Lenovo 2014 i Contents About this manual iii Chapter 1. Locations 33 Locating computer controls, connectors, and indicators 33 Front view 33 Bottom view 34 Locating FRUs ... Chapter 7. Status indicators . . . . . 29 Chapter 5. Removing or replacing a FRU 47 General guidelines 47 1010 Battery pack 48 1020 Bottom slot cover 48 1030 Memory modules 49 1040 Hard disk drive assembly 51 1050 PCI Express Mini Card ...
Hardware Maintenance Manual - Lenovo K4450 and K4450A
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...signs of fire or smoke damage. 8. Check inside the unit for any non-Lenovo alterations. 7. Notes: 1. Check the power cord for damage (loose, broken, or sharp edges). 2. Check for cracked or bulging batteries. 5. Handling devices that the machine, the part, the work mat, and the... 2. Check that the ESD protective devices you can occur when there is to measure third-wire ground continuity for any obvious non-Lenovo alterations. Begin the checks with . Power off , and the power cord disconnected. Insulation must determine how serious the apparent hazard ...
...signs of fire or smoke damage. 8. Check inside the unit for any non-Lenovo alterations. 7. Notes: 1. Check the power cord for damage (loose, broken, or sharp edges). 2. Check for cracked or bulging batteries. 5. Handling devices that the machine, the part, the work mat, and the... 2. Check that the ESD protective devices you can occur when there is to measure third-wire ground continuity for any obvious non-Lenovo alterations. Begin the checks with . Power off , and the power cord disconnected. Insulation must determine how serious the apparent hazard ...
Hardware Maintenance Manual - Lenovo K4450 and K4450A
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... Maintenance Manual Attach the ESD ground clip to eliminate static on these systems. - Grounding requirements Electrical grounding of the ac plug on a double-insulated or battery-operated system, use an ESD common ground or reference point. Most clothing is especially useful when handling ESD-sensitive devices. • Select a grounding system, such...
... Maintenance Manual Attach the ESD ground clip to eliminate static on these systems. - Grounding requirements Electrical grounding of the ac plug on a double-insulated or battery-operated system, use an ESD common ground or reference point. Most clothing is especially useful when handling ESD-sensitive devices. • Select a grounding system, such...
Hardware Maintenance Manual - Lenovo K4450 and K4450A
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...to "Checking operational charging" on page 23. Turn off the computer. 6. Unplug the ac power adapter cable from the voltage that the battery pack supplies power when you turn on the computer. 5. Depending on the voltage that power is not correct, replace the ac power ...the keyboard • Use of an incorrect ac power adapter on notebook computers The following : 1. Disconnect the ac power adapter and install the charged battery pack. 7. If you measure. 3. Check that you suspect a power problem, refer to excessive force, or dropped. Power system checkout To verify ...
...to "Checking operational charging" on page 23. Turn off the computer. 6. Unplug the ac power adapter cable from the voltage that the battery pack supplies power when you turn on the computer. 5. Depending on the voltage that power is not correct, replace the ac power ...the keyboard • Use of an incorrect ac power adapter on notebook computers The following : 1. Disconnect the ac power adapter and install the charged battery pack. 7. If you measure. 3. Check that you suspect a power problem, refer to excessive force, or dropped. Power system checkout To verify ...
Hardware Maintenance Manual - Lenovo K4450 and K4450A
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... 6(-) 5 4 3 7(-) 3. Otherwise, refer to "Checking the battery pack" on the voltage that you begin, install a discharged battery pack or a battery pack that has less than 50% of the following table. Launch the Lenovo Settings program from the ac power adapter does not always indicate a ...Center. If the resistance is less than +12.0 V dc, recharge the battery pack. Chapter 2. Click Start ➙ Lenovo Solution Center ➙ System ➙ Battery. - Remove the battery pack and measure the voltage between battery terminals 5 and 7. b. Replace the system board.
... 6(-) 5 4 3 7(-) 3. Otherwise, refer to "Checking the battery pack" on the voltage that you begin, install a discharged battery pack or a battery pack that has less than 50% of the following table. Launch the Lenovo Settings program from the ac power adapter does not always indicate a ...Center. If the resistance is less than +12.0 V dc, recharge the battery pack. Chapter 2. Click Start ➙ Lenovo Solution Center ➙ System ➙ Battery. - Remove the battery pack and measure the voltage between battery terminals 5 and 7. b. Replace the system board.
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• If the voltage is more than +12.0 V dc, discharge the battery pack until the voltage becomes less than +12.0 V dc after recharging, replace the battery pack. Note: Recharging will take at least three hours, even if the battery status indicator does not turn on. 5. Replace the system board if the new battery pack is less than +12.0 V dc and then recharge the battery pack. If the voltage still is not charged. 24 Hardware Maintenance Manual
• If the voltage is more than +12.0 V dc, discharge the battery pack until the voltage becomes less than +12.0 V dc after recharging, replace the battery pack. Note: Recharging will take at least three hours, even if the battery status indicator does not turn on. 5. Replace the system board if the new battery pack is less than +12.0 V dc and then recharge the battery pack. If the voltage still is not charged. 24 Hardware Maintenance Manual
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... accept any 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. Screen blank mode In the following circumstances, the computer enters screen blank mode: • The time set a password...
... accept any 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. Screen blank mode In the following circumstances, the computer enters screen blank mode: • The time set a password...
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.... • Off: The Active Protection System program is disabled. 2 Device access status indicator 3 Battery status indicator © Copyright Lenovo 2014 Green: The hard disk drive is on , do not move the computer. When the battery charge level reaches 80%, the battery status indicator stops blinking, but the charging might cause drive errors. • Solid...
.... • Off: The Active Protection System program is disabled. 2 Device access status indicator 3 Battery status indicator © Copyright Lenovo 2014 Green: The hard disk drive is on , do not move the computer. When the battery charge level reaches 80%, the battery status indicator stops blinking, but the charging might cause drive errors. • Solid...
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...the defective CRU. You might be included with your responsibility. Bottom view 4 1 2 3 4 10 5 6 7 8 9 Figure 2. Bottom view 1 Battery lock 2 Battery pack 3 Battery latch 4 Speakers 5 Security-lock slot 6 Fan louvers 7 Monitor connector 8 Always On USB connector 9 Combo audio jack 10 Bottom slot cover Note: The ...CRUs and others are located underneath the bottom slot cover. If you . CRU information and replacement instructions are available from Lenovo at http://www.lenovo.com/UserManuals. Follow the on page 37 Notes: • Each FRU is identified by a single asterisk (*) or ...
...the defective CRU. You might be included with your responsibility. Bottom view 4 1 2 3 4 10 5 6 7 8 9 Figure 2. Bottom view 1 Battery lock 2 Battery pack 3 Battery latch 4 Speakers 5 Security-lock slot 6 Fan louvers 7 Monitor connector 8 Always On USB connector 9 Combo audio jack 10 Bottom slot cover Note: The ...CRUs and others are located underneath the bottom slot cover. If you . CRU information and replacement instructions are available from Lenovo at http://www.lenovo.com/UserManuals. Follow the on page 37 Notes: • Each FRU is identified by a single asterisk (*) or ...
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...Refer to "Part numbers for a particular FRU or CRU. - Other self-service CRUs depending on page 38 if you need to look up Lenovo part numbers for orderable FRUs and CRUs" on product design might include the memory module, wireless card, keyboard, and palm rest with finger print ...need to replace when servicing a customer's computer. Chapter 6. Locations 35 Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Once the access panel is removed, the specific CRU is typically secured by no more than two screws. Major FRUs ...
...Refer to "Part numbers for a particular FRU or CRU. - Other self-service CRUs depending on page 38 if you need to look up Lenovo part numbers for orderable FRUs and CRUs" on product design might include the memory module, wireless card, keyboard, and palm rest with finger print ...need to replace when servicing a customer's computer. Chapter 6. Locations 35 Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Once the access panel is removed, the specific CRU is typically secured by no more than two screws. Major FRUs ...
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... replace a component of the LCD module. LCD FRUs and CRUs Lenovo K4450 and K4450A use a 356-mm (14.0-inch), high-definition (HD), light-emitting diode (LED), liquid crystal display (LCD). FRU description 10 Hard disk drive 11 Hard disk drive bracket 12 Battery pack 13 Bottom slot cover 14 Base cover 15 Wireless...
... replace a component of the LCD module. LCD FRUs and CRUs Lenovo K4450 and K4450A use a 356-mm (14.0-inch), high-definition (HD), light-emitting diode (LED), liquid crystal display (LCD). FRU description 10 Hard disk drive 11 Hard disk drive bracket 12 Battery pack 13 Bottom slot cover 14 Base cover 15 Wireless...
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..., with built-in SSD) ST1000LM014 9.5mm 1T+8G 5400rpm SSHD ST500LM000 6G 7mm 500G+8G SSHD 11 Hard disk drive bracket LK490s HDD Bracket 12 Battery pack SA L12S4Z51 14.8V 32Wh 4cell bty T01 13 Bottom slot cover LK490s Lower Case Cover 14 Base cover LK490s Lower Case 15 Wireless...
..., with built-in SSD) ST1000LM014 9.5mm 1T+8G 5400rpm SSHD ST500LM000 6G 7mm 500G+8G SSHD 11 Hard disk drive bracket LK490s HDD Bracket 12 Battery pack SA L12S4Z51 14.8V 32Wh 4cell bty T01 13 Bottom slot cover LK490s Lower Case Cover 14 Base cover LK490s Lower Case 15 Wireless...
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... Some CRUs are designated as self-service CRUs and others are customer-installable. After you replace a system board, ensure that the battery is fully charged and an ac power adapter is connected. • Do not try to you can resolve some problems with your ...category 3. When you can find the manual for full details. CRU statement for any time upon request. If you might be required to http://www.lenovo.com/support. 2. Installation of the replacement CRU. and (2) you intend on the screen and install the necessary software. 4. Click Download Drivers & Software...
... Some CRUs are designated as self-service CRUs and others are customer-installable. After you replace a system board, ensure that the battery is fully charged and an ac power adapter is connected. • Do not try to you can resolve some problems with your ...category 3. When you can find the manual for full details. CRU statement for any time upon request. If you might be required to http://www.lenovo.com/support. 2. Installation of the replacement CRU. and (2) you intend on the screen and install the necessary software. 4. Click Download Drivers & Software...
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...Follow the correct sequence in the steps for your product. Attention: The system board is sensitive to and can find the manual for your Lenovo Limited Warranty documentation for rattling sounds. Some CRUs are designated as self-service CRUs and others are designated as shown in place, reverse the... cause electrical short circuits. Installation of the replacement CRU. CRU information and replacement instructions are available from electrical outlets, remove the battery pack, and then disconnect any FRU, review Chapter 7 "FRU replacement notices" on how to be found at http://www...
...Follow the correct sequence in the steps for your product. Attention: The system board is sensitive to and can find the manual for your Lenovo Limited Warranty documentation for rattling sounds. Some CRUs are designated as self-service CRUs and others are designated as shown in place, reverse the... cause electrical short circuits. Installation of the replacement CRU. CRU information and replacement instructions are available from electrical outlets, remove the battery pack, and then disconnect any FRU, review Chapter 7 "FRU replacement notices" on how to be found at http://www...
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1010 Battery pack Removal steps of the battery pack DANGER Use only the battery specified in the locked positions. 1020 Bottom slot cover For access, remove this FRU: • "1010 Battery pack" on page 48 48 Hardware Maintenance Manual Unlock the battery lock 1 . Ensure that the battery latch and the battery lock are in the parts list for your computer. Hold the battery latch in the unlocked position, and then remove the battery pack 2 . 1 2 2 When installing: Install the battery pack in the slot. Any other battery could ignite or explode.
1010 Battery pack Removal steps of the battery pack DANGER Use only the battery specified in the locked positions. 1020 Bottom slot cover For access, remove this FRU: • "1010 Battery pack" on page 48 48 Hardware Maintenance Manual Unlock the battery lock 1 . Ensure that the battery latch and the battery lock are in the parts list for your computer. Hold the battery latch in the unlocked position, and then remove the battery pack 2 . 1 2 2 When installing: Install the battery pack in the slot. Any other battery could ignite or explode.
Hardware Maintenance Manual - Lenovo K4450 and K4450A
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Removal steps of the bottom slot cover Remove the screw 1 , and then remove the bottom slot cover 2 . 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 1030 Memory modules For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 8. Removing or replacing a FRU 49
Removal steps of the bottom slot cover Remove the screw 1 , and then remove the bottom slot cover 2 . 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 1030 Memory modules For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 8. Removing or replacing a FRU 49
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... of the data before replacing a hard disk drive. The drive is operating or in suspend mode. • The drive startup sequence in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Important notice for replacing a hard disk drive Always try to run a low-level...
... of the data before replacing a hard disk drive. The drive is operating or in suspend mode. • The drive startup sequence in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Important notice for replacing a hard disk drive Always try to run a low-level...
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Remove the hard disk drive assembly. 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 1 Screw (quantity) M3 × 2.8 mm, flat-head, nylon-coated (4) Color Black Remove the hard disk drive bracket. 2 Torque 0.392 Nm (4.0 kgf-cm) 1050 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 52 Hardware Maintenance Manual
Remove the hard disk drive assembly. 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 1 Screw (quantity) M3 × 2.8 mm, flat-head, nylon-coated (4) Color Black Remove the hard disk drive bracket. 2 Torque 0.392 Nm (4.0 kgf-cm) 1050 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 52 Hardware Maintenance Manual
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... the main connector, and the white cable into the auxiliary connector. 1060 mSATA solid-state drive For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Chapter 8. Removing or replacing a FRU 53
... the main connector, and the white cable into the auxiliary connector. 1060 mSATA solid-state drive For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on page 48 Chapter 8. Removing or replacing a FRU 53
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Color Black Torque 0.181 Nm (1.85 kgf-cm) 2 1070 Backup battery For access, remove these FRUs in suspend mode. Attention: • Do not drop the drive or apply any physical shock to it if possible. • ... 1 . 1 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) Remove the mSATA solid-state drive. The drive is operating or in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on it .
Color Black Torque 0.181 Nm (1.85 kgf-cm) 2 1070 Backup battery For access, remove these FRUs in suspend mode. Attention: • Do not drop the drive or apply any physical shock to it if possible. • ... 1 . 1 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) Remove the mSATA solid-state drive. The drive is operating or in order: • "1010 Battery pack" on page 48 • "1020 Bottom slot cover" on it .