(English) Power Manager Deployment Guide
Page 16
...16 brightness levels. Specifies the brightness level of client computer displays with 8 brightness levels. 10 Power ManagerDeployment Guide Specifies the fan control mode. If a brightness level is high, the display gets bright. If a brightness level is high, the display ... Brightness 8 (AC) Description performance type, the Maximum CPU Speed setting and Intel Graphics Power Plan setting will be overwritten. Specifies the fan control mode. Table 2. Specifies the system performance type. Possible system performance types includes: • Maximum turbo • Turbo •...
...16 brightness levels. Specifies the brightness level of client computer displays with 8 brightness levels. 10 Power ManagerDeployment Guide Specifies the fan control mode. If a brightness level is high, the display gets bright. If a brightness level is high, the display ... Brightness 8 (AC) Description performance type, the Maximum CPU Speed setting and Intel Graphics Power Plan setting will be overwritten. Specifies the fan control mode. Table 2. Specifies the system performance type. Possible system performance types includes: • Maximum turbo • Turbo •...
Hardware Maintenance Manual
Page 3
... 1030 Optical drive or travel cover 62 1040 Thermal cover 63 1050 Hard disk drive or solid state drive assembly 64 1060 DIMM 67 1070 Fan assembly 67 1080 CPU 70 1090 SIM slot cover 71 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN 72 1110... mSATA solid state drive 73 1120 Palm rest assembly with cables 75 1130 PCI Express Mini Card for DOS diagnostics program 30 System supporting the Lenovo diagnostics programs 34 Power system checkout 36 Checking the ac power adapter 36 Checking operational charging 37 Checking the battery pack 37 Checking the backup...
... 1030 Optical drive or travel cover 62 1040 Thermal cover 63 1050 Hard disk drive or solid state drive assembly 64 1060 DIMM 67 1070 Fan assembly 67 1080 CPU 70 1090 SIM slot cover 71 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN 72 1110... mSATA solid state drive 73 1120 Palm rest assembly with cables 75 1130 PCI Express Mini Card for DOS diagnostics program 30 System supporting the Lenovo diagnostics programs 34 Power system checkout 36 Checking the ac power adapter 36 Checking operational charging 37 Checking the battery pack 37 Checking the backup...
Hardware Maintenance Manual
Page 7
... when you attempt to your clothing. this action removes the strain from all covers correctly before you service a ThinkPad Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • ... you are fastened or rolled up with before returning the machine to the customer. • Fan louvers on page 17 General safety Follow these rules to be hazardous to lift. 4. Attention... removed covers and other people will not trip over it with labels or stickers. © Copyright Lenovo 2011, 2012 1 If your hair is long, fasten it. • Insert the ends of ...
... when you attempt to your clothing. this action removes the strain from all covers correctly before you service a ThinkPad Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • ... you are fastened or rolled up with before returning the machine to the customer. • Fan louvers on page 17 General safety Follow these rules to be hazardous to lift. 4. Attention... removed covers and other people will not trip over it with labels or stickers. © Copyright Lenovo 2011, 2012 1 If your hair is long, fasten it. • Insert the ends of ...
Hardware Maintenance Manual
Page 8
... electrical circuits with the reflective surface of a plastic dental mirror. Examples of the units. • If an electrical accident occurs: 2 Hardware Maintenance Manual Blowers and fans - Performing a mechanical inspection - By observing the above This practice ensures correct grounding of these precautions are moist floors, nongrounded power extension cables, power surges, and...
... electrical circuits with the reflective surface of a plastic dental mirror. Examples of the units. • If an electrical accident occurs: 2 Hardware Maintenance Manual Blowers and fans - Performing a mechanical inspection - By observing the above This practice ensures correct grounding of these precautions are moist floors, nongrounded power extension cables, power surges, and...
Hardware Maintenance Manual
Page 52
... (two short beeps) Press F1 to load the default setting. Then save the current setting by pressing F10, and restart the computer. Fan. 2. Reinstall the operating system. Then save the current setting by pressing F10, and restart the computer. Make sure that the operating system...BIOS Setup Utility. System board. Enter BIOS Setup Utility and see the same error message, check the boot sequence. 3. DIMM. 3. System board. Fan error. (four short beeps, one short beep) Install the DRAM. Reinstall the hard disk drive. 4. System Configuration Data Read Error (two short ...
... (two short beeps) Press F1 to load the default setting. Then save the current setting by pressing F10, and restart the computer. Fan. 2. Reinstall the operating system. Then save the current setting by pressing F10, and restart the computer. Make sure that the operating system...BIOS Setup Utility. System board. Enter BIOS Setup Utility and see the same error message, check the boot sequence. 3. DIMM. 3. System board. Fan error. (four short beeps, one short beep) Install the DRAM. Reinstall the hard disk drive. 4. System Configuration Data Read Error (two short ...
Hardware Maintenance Manual
Page 70
... touch or apply any physical shock to it if possible. • Never remove the drive while the computer is operating or is sensitive to the fan motor located in the slot. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup... shock. The drive is in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on it . It might cause damage to the fan assembly or might cause the computer to malfunction. 1050 Hard disk drive or solid state drive assembly For access, remove these FRUs in suspend mode...
... touch or apply any physical shock to it if possible. • Never remove the drive while the computer is operating or is sensitive to the fan motor located in the slot. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup... shock. The drive is in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on it . It might cause damage to the fan assembly or might cause the computer to malfunction. 1050 Hard disk drive or solid state drive assembly For access, remove these FRUs in suspend mode...
Hardware Maintenance Manual
Page 73
.... b a When installing: Insert the notched end of DIMM 1 2 1 Note: If only one DIMM is firmly fixed in the slot and does not move easily. 1070 Fan assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on page 63 Chapter 8.
.... b a When installing: Insert the notched end of DIMM 1 2 1 Note: If only one DIMM is firmly fixed in the slot and does not move easily. 1070 Fan assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on page 63 Chapter 8.
Hardware Maintenance Manual
Page 74
...• Do not handle the fan roughly. Removal steps of fan assembly 1 When installing: Make sure that the fan connector is attached firmly to 2d in order, but do not remove them. Note: Loosen the screws 2a to the system board. It might cause damage to the fan assembly or might have different numbers... of the fan can cause distortion or deformation and imperfect contact with components. • Do not touch or apply any excessive force to ...
...• Do not handle the fan roughly. Removal steps of fan assembly 1 When installing: Make sure that the fan connector is attached firmly to 2d in order, but do not remove them. Note: Loosen the screws 2a to the system board. It might cause damage to the fan assembly or might have different numbers... of the fan can cause distortion or deformation and imperfect contact with components. • Do not touch or apply any excessive force to ...
Hardware Maintenance Manual
Page 75
For models with a discrete fan assembly: a b For models with a component. Removing and replacing a FRU 69 Either too much or too less application of grease can cause a thermal problem due to peel the thin film off from the rubbers marked b . For the new CPU thermal device, you attach the fan assembly to the computer, apply thermal grease, at an amount of fan assembly (continued) 3 When installing: Before you need to imperfect contact with an integrated fan assembly: Chapter 8. Removal steps of 0.2 grams, on the parts marked a as in the following figures. Table 8.
For models with a discrete fan assembly: a b For models with a component. Removing and replacing a FRU 69 Either too much or too less application of grease can cause a thermal problem due to peel the thin film off from the rubbers marked b . For the new CPU thermal device, you attach the fan assembly to the computer, apply thermal grease, at an amount of fan assembly (continued) 3 When installing: Before you need to imperfect contact with an integrated fan assembly: Chapter 8. Removal steps of 0.2 grams, on the parts marked a as in the following figures. Table 8.
Hardware Maintenance Manual
Page 76
then remove the CPU 2 . 1 a 2 70 Hardware Maintenance Manual Removal steps of CPU Rotate the head of rough handling. When you service the CPU, avoid any kind of the screw in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on page 63 • "1070 Fan assembly" on page 67 Attention: The CPU is extremely sensitive. Table 8. Removal steps of fan assembly (continued) b 1080 CPU For access, remove these FRUs in the direction shown by arrow 1 to release the lock;
then remove the CPU 2 . 1 a 2 70 Hardware Maintenance Manual Removal steps of CPU Rotate the head of rough handling. When you service the CPU, avoid any kind of the screw in order: • "1010 Battery pack" on page 59 • "1040 Thermal cover" on page 63 • "1070 Fan assembly" on page 67 Attention: The CPU is extremely sensitive. Table 8. Removal steps of fan assembly (continued) b 1080 CPU For access, remove these FRUs in the direction shown by arrow 1 to release the lock;
Hardware Maintenance Manual
Page 91
... replacing a FRU 85 For ThinkPad L420 and L421 models, skip steps 2a and 3a . 3 3 1 2 2 2a 2a 2 1 3a 3 Chapter 8. 1180 Keyboard bezel For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 • "1070 Fan assembly" on page 67... for wireless LAN" on page 78 • "1170 Keyboard" on page 83 Removal steps of keyboard bezel Note: Steps 2a and 3a are only for ThinkPad L520 models.
... replacing a FRU 85 For ThinkPad L420 and L421 models, skip steps 2a and 3a . 3 3 1 2 2 2a 2a 2 1 3a 3 Chapter 8. 1180 Keyboard bezel For access, remove these FRUs in order: • "1010 Battery pack" on page 59 • "1030 Optical drive or travel cover" on page 62 • "1070 Fan assembly" on page 67... for wireless LAN" on page 78 • "1170 Keyboard" on page 83 Removal steps of keyboard bezel Note: Steps 2a and 3a are only for ThinkPad L520 models.
Hardware Maintenance Manual
Page 99
... • "1190 LCD unit" on page 87 • "2010 Top shielding assembly" on page 90 Location of major sensitive components on the system board in ThinkPad L420, L421, and L520 models The following components soldered on page 75 • "1130 PCI Express Mini Card for discrete models) d Platform Controller Hub (PCH) For... cover" on page 63 • "1050 Hard disk drive or solid state drive assembly" on page 64 • "1060 DIMM" on page 67 • "1070 Fan assembly" on page 67 • "1080 CPU" on page 70 • "1090 SIM slot cover" on page 71 • "1110 Wireless WAN slot cover and...
... • "1190 LCD unit" on page 87 • "2010 Top shielding assembly" on page 90 Location of major sensitive components on the system board in ThinkPad L420, L421, and L520 models The following components soldered on page 75 • "1130 PCI Express Mini Card for discrete models) d Platform Controller Hub (PCH) For... cover" on page 63 • "1050 Hard disk drive or solid state drive assembly" on page 64 • "1060 DIMM" on page 67 • "1070 Fan assembly" on page 67 • "1080 CPU" on page 70 • "1090 SIM slot cover" on page 71 • "1110 Wireless WAN slot cover and...
Hardware Maintenance Manual
Page 105
Removing and replacing a FRU 99 For ThinkPad L420 and L421 models: 2040 DC-in cable and base cover For access, remove these FRUs in order: • "1010 Battery pack" on...page 63 • "1050 Hard disk drive or solid state drive assembly" on page 64 • "1060 DIMM" on page 67 • "1070 Fan assembly" on page 67 • "1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN" on page 72 • "1110 mSATA solid... shielding assembly" on page 90 • "2020 System board assembly" on page 92 Removal steps of DC-in cable and base cover For ThinkPad L520 models: Chapter 8.
Removing and replacing a FRU 99 For ThinkPad L420 and L421 models: 2040 DC-in cable and base cover For access, remove these FRUs in order: • "1010 Battery pack" on...page 63 • "1050 Hard disk drive or solid state drive assembly" on page 64 • "1060 DIMM" on page 67 • "1070 Fan assembly" on page 67 • "1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN" on page 72 • "1110 mSATA solid... shielding assembly" on page 90 • "2020 System board assembly" on page 92 Removal steps of DC-in cable and base cover For ThinkPad L520 models: Chapter 8.
Hardware Maintenance Manual
Page 133
..., 3Qx, 3Rx, 3Sx, 3Tx, 3Ux 19 Thermal module with fan (integrated) for 14W Dock and 15W Dock 04W1463 N 19 Thermal module with fan (discrete) for 14W Dock and 15W Dock 04W1464 N 20 Media Card Reader cable assembly 45M2870 N 21 Backup battery 92P1161 N 22 ThinkPad 11 b/g/n Wireless LAN Mini-PCI Express Adapter II 60Y3247...
..., 3Qx, 3Rx, 3Sx, 3Tx, 3Ux 19 Thermal module with fan (integrated) for 14W Dock and 15W Dock 04W1463 N 19 Thermal module with fan (discrete) for 14W Dock and 15W Dock 04W1464 N 20 Media Card Reader cable assembly 45M2870 N 21 Backup battery 92P1161 N 22 ThinkPad 11 b/g/n Wireless LAN Mini-PCI Express Adapter II 60Y3247...
(English) User Guide
Page 14
... perforations in dusty or high-traffic areas. • Do not restrict or block any extended length of your body in explosive environments. • Ventilation slots, fans and/or heat sinks are charging. Extended contact with your computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect...
... perforations in dusty or high-traffic areas. • Do not restrict or block any extended length of your body in explosive environments. • Ventilation slots, fans and/or heat sinks are charging. Extended contact with your computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect...
(English) User Guide
Page 23
ThinkPad L420 and L520 left-side view 1 Fan louvers (left) 3 Ethernet connector 5 DisplayPort connector 7 Combo audio jack 2 Monitor connector 4 eSATA/USB combo connector (left) 6 54 mm-wide ExpressCard slot 1 Fan louvers (left) The internal fan and louvers enable air to circulate in "Attaching an external monitor" on page 49. Chapter 1. ... an SD Card, an SDXC Card, a SDHC Card, and an MMC Card (MultiMedia Card), in the Media card reader of the fan. 2 Monitor connector You can use this switch to the instructions in front of your computer. Left-side view Figure 3. Note: To avoid...
ThinkPad L420 and L520 left-side view 1 Fan louvers (left) 3 Ethernet connector 5 DisplayPort connector 7 Combo audio jack 2 Monitor connector 4 eSATA/USB combo connector (left) 6 54 mm-wide ExpressCard slot 1 Fan louvers (left) The internal fan and louvers enable air to circulate in "Attaching an external monitor" on page 49. Chapter 1. ... an SD Card, an SDXC Card, a SDHC Card, and an MMC Card (MultiMedia Card), in the Media card reader of the fan. 2 Monitor connector You can use this switch to the instructions in front of your computer. Left-side view Figure 3. Note: To avoid...
(English) User Guide
Page 26
... when your computer has a wireless WAN (Wide Area Network) feature, it may be already installed in the SIM card slot. With Lenovo technologies advancing to provide you with the best engineered systems, some models are available as a printer or digital camera. Rear view Figure ...off, you will need to open the Power Manager program and configure corresponding settings to establish a wireless WAN connection. ThinkPad L420 and L520 rear view 1 Always on USB connector 3 Fan louvers (rear) 2 Security keyhole 1 Always on page 104. Note: Your computer is compatible with a mSATA solid...
... when your computer has a wireless WAN (Wide Area Network) feature, it may be already installed in the SIM card slot. With Lenovo technologies advancing to provide you with the best engineered systems, some models are available as a printer or digital camera. Rear view Figure ...off, you will need to open the Power Manager program and configure corresponding settings to establish a wireless WAN connection. ThinkPad L420 and L520 rear view 1 Always on USB connector 3 Fan louvers (rear) 2 Security keyhole 1 Always on page 104. Note: Your computer is compatible with a mSATA solid...
(English) User Guide
Page 27
... is on the screen. When this keyhole. Status indicators The status indicators show the current status of the fan. The following shows the location and the meaning of the computer. 3 Fan louvers (rear) The internal fan and louvers enable air to read or write data. Note: To avoid impeding airflow, do not place...
... is on the screen. When this keyhole. Status indicators The status indicators show the current status of the fan. The following shows the location and the meaning of the computer. 3 Fan louvers (rear) The internal fan and louvers enable air to read or write data. Note: To avoid impeding airflow, do not place...
(English) User Guide
Page 33
... on or in the task bar. Product Overview 15 Power Manager also displays a green, yellow and red indication. Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your computer in a well-ventilated and dry area without pressurization: 3048 m (10,000 ft...
... on or in the task bar. Product Overview 15 Power Manager also displays a green, yellow and red indication. Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your computer in a well-ventilated and dry area without pressurization: 3048 m (10,000 ft...
(English) User Guide
Page 171
... computer hinge. • Do not turn off your computer. An electrostatic charge above 35°C/95°F). • Some appliances, such as certain portable desktop fans or air purifiers, can increase the risk of electrostatic charge.
... computer hinge. • Do not turn off your computer. An electrostatic charge above 35°C/95°F). • Some appliances, such as certain portable desktop fans or air purifiers, can increase the risk of electrostatic charge.