Lenovo ThinkPad Edge E420s Hardware Maintenance Manual
Lenovo ThinkPad Edge E420s Manual
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- Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 1
Hardware Maintenance Manual ThinkPad Edge E420s and S420 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 105. Fourth Edition (April 2012) © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration "GSA" contract, use - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 3
. . . 55 Chapter 8. Removing and replacing a FRU 57 Before servicing ThinkPad Edge E420s and S420 57 1010 ExpressCard blank bezel and Media Card blank bezel 58 1020 Hard disk drive or solid state drive assembly 60 1030 Keyboard 61 1040 Top case assembly 63 1050 Backup battery 65 1060 Speaker - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 4
(64 bit) DVDs . . 100 Windows 7 Professional (32 bit) DVDs. . . . 101 Windows 7 Professional (64 bit) DVDs. . . . 101 Windows 7 Ultimate (64 bit) DVDs . . . . . 102 Common service tools 103 Appendix A. Notices 105 Electronic emissions notices 106 Trademarks 106 ii Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 5
this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad Edge E420s and S420 Machine Type (MT) 4401 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 6
iv Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 7
before you service a ThinkPad notebook computer. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on during and after maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 8
power on when they are removed from their normal operating places in a machine: - Power supply units - Pumps - Blowers and fans - Motor generators - Similar units to listed above This practice ensures correct grounding of the units. • If an electrical accident occurs: 2 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 9
to protect users and service technicians from injury. This guide addresses only those items. power cord should be the type specified in the parts list. c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 10
the specific service requirement. Note: The use of a grounding system to guard against ESD damage is desirable but not necessary. - Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground. - When working on a double-insulated or battery Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 11
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 12
DANGER 6 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 13
Chapter 1. Safety information 7 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 14
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 15
PERIGO PERIGO DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 16
DANGER DANGER DANGER DANGER DANGER VORSICHT 10 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 18
VORSICHT VORSICHT VORSICHT 12 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 19
Chapter 1. Safety information 13 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 20
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Chapter 1. Safety information 15 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 22
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Chapter 1. Safety information 17 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 24
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Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Chapter 1. Safety information 19 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 26
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Chapter 1. Safety information 21 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 28
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Chapter 1. Safety information 23 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 30
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Chapter 1. Safety information 25 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 32
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any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo® authorized service technicians are available in - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 34
computer you are servicing. Strategy for replacing FRUs for CTO, Lenovo and the customer. A unique 4-digit MT and 3-digit model is provided to the customer to place orders (Example: 1829-W15). A CMV is a special bid offering. Therefore, it is NOT generally announced. 28 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 35
the same record found in PEW). • eSupport can be accessed at the following Web site: http://www.lenovo.com/support • To view the key commodities, do the following: 1. Click Products & Service Warranty. 2. Click Check Warranty Status. 3. On the Warranty Status Lookup page, click Parts Lookup. 4. Type - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 36
the Parts Detail tab to view the list of service parts. Using the HMM For key commodities (examples - hard disk drive, system board, microprocessor, LCD, and memory) Use the HMM as a backup to PEW and eSupport to view the complete list of FRUs at the MT model level. 30 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 37
. Before you go to the checkout guide, be sure to read the following important notes. Important notes: • Only certified trained personnel should service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, it is recommended to use - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 38
avoid this problem, you need to initialize the computer setup by use of the ThinkPad Setup before you run PC-Doctor. To enter ThinkPad Setup, do as follows: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter the ThinkPad Setup. 32 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 39
following Web site: http://www.lenovo.com/support Testing the computer Note: The PC-Doctor for DOS CD-R/CD-RW disc supports only test of internal optical disc drives (CD-RW, CD-RW/DVD Combo, and DVD Multi drives) on ThinkPad computers. It does not support test of any optical disc drives connected - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 40
Memory Contents Physical Disk Drives VGA Information ATA Drive Info PCI Information SMBIOS Info VESA LCD Info Hardware Events Log Utility Run External Tests Benchmark System DOS Shell Tech Support Form Battery Rundown Erase Drive Contents View PCDR Host Log 34 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 41
Help for the program. FRU tests The following table shows the test for each FRU. Table 1. FRU tests FRU Applicable test System board 1. Diagnostics ➙ CPU/Coprocessor 2. Diagnostics ➙ Systemboard Power Diagnostics ➙ ThinkPad Devices ➙ AC Adapter, Battery 1 (Battery2) LCD unit 1. Diagnostics - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 42
with the Lenovo Solution Center program, you can download the quick test programs from the Lenovo Support Web site. • The two programs are applicable to computers installed with the Windows 7, Windows XP, Windows Server 2003, or Windows Server 2008 operating system. 36 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 43
system checkout" on page 38, and check the power sources. If an error code is displayed, go to "Symptom-to-FRU index" on page 45 for error code descriptions and troubleshooting hints. 2. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 44
be launched automatically. 6. Follow the instructions on the screen to use the diagnostic program. Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the ac power adapter. 4. Check that power is supplied when you turn on the - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 45
across pin 2 of the ac power adapter might be different from the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to "FRU tests" on page 35. Note: Noise - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 46
Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the backup battery. • If the backup battery discharges quickly after replacement, replace the system board. 40 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 47
45 Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support. Restoring the factory contents by using Recovery Disc Set When the hard disk drive (HDD) or solid state drive is replaced because - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 48
"How to remove the power-on password" on page 43. Hard-disk password There are two hard-disk passwords (HDPs): • User HDP-for the user • Master HDP-for the system administrator, who can use it to get access to the hard disk even if the user has changed the user HDP 42 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 49
to the ThinkPad Setup and change the system configuration. Attention: If the SVP has been forgotten and cannot be made available to the service technician, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. How to remove the power-on password - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 50
to enter ThinkPad Setup. 3. have been removed. Power management To reduce power consumption, the computer has three power management modes: Power Manager Battery Gauge in the task bar. 2. Select Power off display (keep current power plan) (in Windows XP, keep current power Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 51
: • The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. If you have defined problems" on page 47. Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Chapter 4. Related service - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 52
pressing F10. 2. System board. 1. Charge the backup battery for more than 8 hours by connecting the ac power adapter. 2. Replace the backup battery and run ThinkPad Setup to reset the time and date. Run ThinkPad Setup to reset the time and date. 1. Remove the Mini PCI network card. 2. System board - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 53
isolate FRUs that have no defects). Verify that all attached devices are supported by the computer. Verify that the power supply being used at the time of the failure is operating correctly. (See "Power system checkout" on page 38) 1. Turn off the computer. Chapter 4. Related service information 47 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 54
has been solved. 6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a. System board b. LCD assembly 48 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 55
the wireless features. You can quickly change the power state of each feature in the list. • Green: The ac power adapter is connected. If a battery is installed on the computer, it is charged when this indicator is on. • Off: The ac power adapter is not connected. © Copyright Lenovo 2012 49 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 56
Status indicators (continued) Indicator Meaning 2 Sleep (standby) status The illumination dot in the ThinkPad logo on the outer lid of the computer and on the palm rest works as ) mode. • Off: The computer is off or in hibernation mode. 4 Sleep (standby) status 50 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 57
• Computer display only (LCD) • Computer display and external monitor (same image) • Computer display and external monitor (extended desktop function) • External monitor only level, change the settings of the Power Option in the Control Panel or use the Power Manager. © Copyright Lenovo 2012 51 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 58
wireless features, the following device drivers must be installed on your computer beforehand: • Power Management Driver • On Screen Display Utility • Wireless device drivers Previous track/scene For Multimedia control (F10) Play/pause (F11) Next track/scene (F12) 52 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 59
CRU. See your Lenovo Limited Warranty documentation for full details. This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad notebook computer, this - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 60
throughout the life of the computer. If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 61
select 5. Read box build date from EEPROM, and follow the instruction on the screen. After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's application. Use the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later to update the EEPROM. Note: Only - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 62
56 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 63
a ground point with one hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). Before servicing ThinkPad Edge E420s and S420 Some models of the ThinkPad Edge E420s and S420 you are servicing might have the SIM card that the customer has installed. © Copyright Lenovo 2012 57 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 64
2 1010 ExpressCard blank bezel and Media Card blank bezel Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel 1 , it pops out 2 . 1 2 When installing: Make sure that the bezel is correctly oriented as shown in the following figure. 58 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 65
3 Removal steps of Media Card blank bezel When you press the Media Card blank bezel 1 , it pops out 2 . When installing: Make sure that the bezel is correctly oriented as shown in the following figure. Chapter 8. Removing and replacing a FRU 59 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 66
the drive while the computer is operating or is in suspend mode. Removal steps of HDD or SSD assembly 1 2 Step 1 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (1) Removal steps of HDD or SSD bracket 1 1 60 Hardware Maintenance Manual Color Black Torque 0.181 Nm (1.85 kgfcm) 1 1 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 67
Nm (1.85 kgfcm) 1030 Keyboard For access, remove "1020 Hard disk drive or solid state drive assembly" on page 60. Removal steps of keyboard 1 1 Step 1 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) Chapter 8. Removing and replacing a FRU 61 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 68
2 2 3 3 62 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 69
the keyboard edges are under the frame as shown in the following figure. 3. Secure the keyboard by tightening the screws from the bottom side of the computer. 1040 Top case assembly For access, remove "1020 Hard disk drive or solid state drive assembly" on page 60. Chapter 8. Removing and replacing - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 70
Removal steps of top case assembly 1 1 2 1 1 1 1 1 1 1 Step 1 2 Screw (quantity) M2 × 3 mm, wafer-head, nylon- Note: Screw 2 is located under the hard disk drive, you have to remove the hard disk drive first to remove screw 2 . 6 9 8 7 4 3 5 10 11 12 64 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 71
61 • "1040 Top case assembly" on page 63 Removal steps of backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. When installing: Make sure that the connector is attached firmly. Chapter 8. Removing and replacing a FRU 65 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 72
63 • "1090 Battery pack" on page 68 Removal steps of speaker remove these FRUs in order: • "1020 Hard disk drive or solid state drive assembly" on page 60 • "1030 Keyboard" on page 61 • "1040 Top case assembly" on page 63 Removal steps of fingerprint reader 1 2 66 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 73
is attached firmly. 1080 Touch pad 1080 Touch pad For access, remove these FRUs in order: • "1020 Hard disk drive or solid state drive assembly" on page 60 • "1030 Keyboard" on page 61 • "1040 Top case assembly" on page 63 Removal steps of touch pad 1 2 3 3 Chapter 8. Removing and replacing a FRU 67 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 74
clip into the emergency reset hole to reset the computer. Removal steps of battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Remove the battery 1 . Then detach the battery connector 2 . 68 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 75
state drive assembly" on page 60 • "1030 Keyboard" on page 61 • "1040 Top case assembly" on page 63 • "1090 Battery pack" on page 68 • "1180 LCD unit" on page 80 Removal steps of optical drive or travel cover 1 1 Step 1 Screw (quantity) M2 × 4 mm, wafer-head, nylon-coated (2) Color Black Torque - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 76
" on page 71 • "1130 PCI Express Mini Card for wireless WAN" on page 72 • "1040 Top case assembly" on page 63 • "1090 Battery pack" on page 68 • "1160 System board assembly and fan assembly" on page 76 • "1180 LCD unit" on page 80 • "2010 LCD bezel assembly" on page 82 70 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 77
Mini Card for wireless LAN For access, remove "1030 Keyboard" on page 61. Removal steps of PCI Express Mini Card for wireless LAN Remove the screws 1 . Then remove the antenna RF connectors 2 . Note: Some models might have a third white antenna cable. Chapter 8. Removing and replacing a FRU 71 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 78
black cable into the jack marked AUX or A on the card. Note: In models with a wireless LAN card that has three antenna connectors, plug the gray cable (MAIN) into the jack marked 1130 PCI Express Mini Card for wireless WAN For access, remove "1030 Keyboard" on page 61. 72 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 79
steps of PCI Express Mini Card for wireless WAN Remove the screws 1 . Then remove the antenna RF connectors 2 . When installing: Plug Torque 0.181 Nm (1.85 kgfcm) 3 1130 mSATA solid state drive For access, remove "1030 Keyboard" on page 61. Attention: Chapter 8. Removing and replacing a FRU 73 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 80
remove the antenna RF connectors 2 . 1 2 When installing: Plug the orange cable into the jack marked MAIN, and the blue cable into the jack marked AUX on the card. Step 2 Screw (quantity) M2 × 4 mm, wafer-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) 3 74 Hardware Maintenance - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 81
assembly" on page 63 • "1090 Battery pack" on page 68 Removal steps of bluetooth daughter card 1 2 Step 1 Screw Media Card Reader slot board assembly For access, remove these FRUs in order: • "1020 Hard "1090 Battery pack" on page 68 • "1100 Optical drive or travel cover" on page 69 Removal steps - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 82
system supports PC-Doctor for DOS, to make sure that the HDD Active Protection System™ still functions. Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in any reject report, and replace the system board. 76 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 83
computer while the test is running. For access, remove these FRUs in order: • "1020 Hard disk drive or solid state drive assembly" on page 60 • "1030 Keyboard" on page 61 • "1040 Top case assembly" on page 63 • "1090 Battery pack" on page 68 • "1120 PCI Express Mini Card for wireless LAN" on page - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 84
-head, nylon-coated (2) Color Black 1170 DC-in sub card For access, remove these FRUs in order: • "1020 Hard disk drive or solid state drive assembly Battery pack" on page 68 • "1160 System board assembly and fan assembly" on page 76 Torque 0.181 Nm (1.85 kgfcm) 78 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 85
7 Wireless LAN MAC label 8 Ethernet label For some models, you need to apply two FCC labels. Check the old base cover; if it has two FCC labels, apply both to the new base cover. For the location of each label, refer to the following figure: 1234 5 6 7 8 Chapter 8. Removing and replacing - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 86
Keyboard" on page 61 • "1040 Top case assembly" on page 63 • "1090 Battery pack" on page 68 Removal steps of LCD unit 1 Step 1 Screw (quantity) M2 × 4 mm, wafer- head, nylon-coated (2) Detach cables from the cable guides. Color Black Torque 0.181 Nm (1.85 kgfcm) 80 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 87
3 4 4 4 4 Chapter 8. Removing and replacing a FRU 81 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 88
1090 Battery pack" on page 68 • "1100 Optical drive or travel cover" on page 69 • "1180 LCD unit" on page 80 Removal steps of LCD bezel assembly 1 1 Step 1 Screw cap Screw (quantity) M2 × 4 mm, wafer-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) 82 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 89
" on page 61 • "1040 Top case assembly" on page 63 • "1090 Battery pack" on page 68 • "1180 LCD unit" on page 80 • "2010 LCD bezel assembly" on page 82 Removal steps of integrated camera When installing: Make sure that the connector is attached firmly. Chapter 8. Removing and replacing a FRU 83 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 90
" on page 63 • "1090 Battery pack" on page 68 • "1180 LCD unit" on page 80 • "2010 LCD bezel assembly" on page 82 Removal steps of hinges 11 11 2 2 Step 1 Screw (quantity) M2 × 3.5 mm, wafer-head, nylon-coated (4) 3 Color Black 3 Torque 0.181 Nm (1.85 kgfcm) 84 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 91
"2030 Hinges" on page 84 Removal steps of Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges. 1 2 2 2 2 1 1 1 Chapter 8. Removing and replacing a FRU 85 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 92
cable guides, or a wire to be broken. a : Wireless LAN AUX antenna (black) b : Wireless WAN AUX antenna (blue) c : Wireless WAN MAIN antenna (orange) d : Wireless LAN MAIN antenna (gray) a b c d Note: Some models might have a third white cable for wireless LAN. 86 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 93
presents the location of the ThinkPad Edge E420s and S420 features and hardware components. Front view 1 2 3 15 14 16 13 12 3 4 5 6 7 8 10 9 11 1 Built-in microphones 3 Built-in stereo speaker 5 Security keyhole 7 Combo audio jack 9 USB connector 11 Power status indicator1 13 Touch pad - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 94
slot 4 Optical drive 6 Power jack 8 USB/eSATA combo connector 10 SIM card door 1: For the description of the indicator, see Chapter 5 "Status indicators" on page 49. Bottom view 1 2 3 1 Hard disk drive (HDD) or solid state drive 3 Battery 2 Emergency reset hole 88 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 95
replacement CRU. See your Lenovo Limited Warranty documentation for full details. ThinkPad computers contain the following types of CRUs: - 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 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 96
Overall 1 20 19 2 18 17 16 3 4 5 15 6 14 13 7 12 8 9 11 10 90 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 97
, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx, 4Mx, 4Nx, 4Ux, 54x, 55x, 57x, 58x, 8Kx, 8Lx, 8Mx, 8Nx, 8Px 1 LCD module, 14.0-inch HD LED backlight with camera, with wireless WAN, mocha black • 4401-CTO, 5Ax, 5Dx, 6Tx, 6Wx, 6Xx, 6Yx, 6Zx, 7Ex, 7Fx, 7Gx, 7Tx, 8Jx, 8Qx, 8Sx, 8Xx 04W3429 N 04W3430 04W3431 1 LCD - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 98
92x, 93x, 94x, 95x, 96x, 97x 6 Bluetooth daughter card (BDC-3.0) 60Y3271 N • 4401-CTO, 20x, 21x 22x, 23x, 24x, 25x, 4401-CTO, 21x, 2Zx, 3Ax, 3Wx, 55x 04W1338 ** 04W1339 04W3463 75Y5201 8 SATA hard disk drive, 320GB, 5,400 rpm • 4401-CTO, 8Yx, 8Zx, 92x 04W3464 ** 92 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 99
cover 04W1761 ** 10 Battery pack, 4 cell LiPolymer (2.2 Ah) 42T4975 N 42T4979 11 DVD/CD Multi Burner drive 04W1393 N • 4401-CTO, 20x, 21x 8Zx, 92x, 93x, 94x, 95x, 96x, 97x 12 ThinkPad 11b/g/n Wireless LAN Mini-PCI Express Adapter II 60Y3247 ** • 4401-CTO, 29x, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 100
AMD graphics, Intel Core i3-2330M, Non-AES for S420 • 4401-CTO, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx, 6Dx, 69x, 7Bx 04W3509 N 15 System board assembly, Intel graphics, Intel Core i3-2330M, Non-AES • 4401-CTO, 5Gx, 5Lx, 5Yx, 5Zx, 65x, 66x, 68x, 6Ux, 75x, 7Gx, 8Tx, 97x 04W3336 N 94 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 101
, Intel graphics, Intel Core i5-2430M, AES • 4401-CTO, 4Tx, 4Xx Core i7-2620M, Non-AES • 4401-CTO 04W1488 N 16 DC-in cable 04W1756 N 17 Backup battery 04W1762 ** 18 Media Card Reader 04W1751 N 19 Keyboard (see "Keyboard" on page 96.) 20 TrackPoint caps 91P9642 * - AC adapter (see "AC power - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 102
and Greek layout) Hebrew Hungarian Icelandic India Italian Japanese Kazakhstan Korean Latin American Spanish Norwegian Polish Portuguese Russian Slovak Slovenian Spanish Swiss Thai Traditional Chinese Turkish Turkish-F U.K. English 96 Hardware Maintenance Manual FRU no. CRU ID 04W0805 04W0769 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 103
) FRU no. 42T5282 42T4423 42T4419 42T4427 42T4431 42T4435 42T4439 CRU ID * FRU no. 42T5283 42T4421 42T4417 42T4425 42T4429 42T4433 45N0068 CRU ID * Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Chapter 10. Parts list 97 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 104
Canada, U.S. • models -CTO, xxF, xxL, xxS, xxU Japan • models -CTO, xxE, xxJ Table 14. Parts list-3-pin power cords Country or region Australia, New Zealand • models -CTO, xxM Bangladesh, Sri Lanka, South Africa • models to the system. Due to a Microsoft licensing 98 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 105
as the operating system in the following models: • 4401-CTO Table 15. Parts list-Windows XP Professional recovery DVDs ) DVDs Windows 7 Home Basic (32 bit) is preinstalled as the operating system in the following models: • 4401-CTO, 34x, 35x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Rx, 3Vx, 42x, 45x, 46x - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 106
Premium (64 bit) DVDs Windows 7 Home Premium (64 bit) is preinstalled as the operating system in the following models: • 4401-CTO, 22x, 23x, 24x, 25x, 27x, 2Fx, 2Gx, 2Hx, 2Vx, 30x 3Kx, 3Nx, 3Px, 3Qx, 3Tx, 3Ux 04T3383 04T3384 04T3382 04T3364 04T3365 04T3367 CRU ID * 100 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 107
is preinstalled as the operating system in the following models: • 4401-CTO Table 20. Parts list-Windows 7 Professional (32 bit) Windows 7 Professional (64 bit) is preinstalled as the operating system in the following models: • 4401-CTO, 21x 26x, 28x, 29x, 2Ax, 2Ex, 2Lx, 2Mx, 2Nx, 2Px, 2Qx, 2Rx - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 108
04T3327 CRU ID * Windows 7 Ultimate (64 bit) DVDs Windows 7 Ultimate (64 bit) is preinstalled as the operating system in the following models: • 4401-CTO, 20x Table 22. Parts list-Windows 7 Ultimate (64 bit) recovery DVDs Language US English P/N 04T3333 CRU ID * 102 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 109
diskette USB floppy diskette drive tool kit Test card for integrated Smart Card LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/support P/N 95F3598 1650840 93F2838 00P6967 08K7159 40Y8687 40Y8704 - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 110
104 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 111
operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 112
Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkPad Intel Centrino Intel Core Other company, product, or service names may be the trademarks or service marks of others. 106 Hardware Maintenance Manual - Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 113
- Lenovo ThinkPad Edge E420s | Hardware Maintenance Manual - Page 114
Part Number: 0A60439_03 (1P) P/N: 0A60439_03 *0A60439_03*
Hardware Maintenance Manual
ThinkPad Edge E420s and S420