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Equipment information:

Notebook -- Lenovo ThinkPad Edge S420

Manufacturer:
Lenovo
Model: ThinkPad Edge S420
Date: 2012
Category: Computer equipment
Group: Notebook
Description:
Information:







These manuals for the Lenovo ThinkPad Edge S420 Notebook
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Service Manual -- Lenovo -- ThinkPad Edge S420

Manual Type: Service Manual Lenovo-4522-Manual-Page-1-Picture
Pages: 114
Size: 16.07 Mbytes (16847059 Bytes)
Language: english
Revision: Fourth edition
Manual-ID/Number: 0A60439_03
Date: April 2012
Quality: Electronic document, no scan, very well readable.
Upload date:
Downloads: 506 since 28 April 2013
Information:

About 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 technicians who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 27. Contents About this manual ... iii Chapter 1. Safety information ... 1 General safety ... 1 Electrical safety ... 2 Safety inspection guide ... 3 Handling devices that are sensitive to electrostatic discharge ... 3 Grounding requirements ... 4 Safety notices (multilingual translations) ... 4 Laser compliance statement (multilingual translations) ... 19 Chapter 2. Important service information ... 27 Strategy for replacing FRUs ... 28 Important notice for replacing a system board ... 28 How to use error message ... 28 Strategy for replacing FRUs for CTO, CMV, and GAV ... 28 Product definition ... 28 FRU identification for CTO, CMV, and GAV products ... 29 Chapter 3. General checkout ... 31 What to do first ... 31 Checkout guide ... 32 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program ... 32 System supporting the Lenovo diagnostics programs ... 36 Power system checkout ... 38 Checking the ac power adapter ... 38 Checking operational charging ... 39 Checking the battery pack ... 39 Checking the backup battery ... 39 Chapter 4. Related service information ... 41 Restoring the factory contents by using Recovery Disc Set ... 41 Passwords ... 42 Power-on password ... 42 Hard-disk password ... 42 Supervisor password ... 43 Power management ... 44 Screen blank mode ... 44 Sleep (standby) mode ... 44 Hibernation mode ... 45 Symptom-to-FRU index ... 45 Numeric error codes ... 46 Error messages ... 46 No-beep symptoms ... 46 LCD-related symptoms ... 47 Intermittent problems ... 47 Undetermined problems ... 47 Chapter 5. Status indicators ... 49 Chapter 6. Special keys ... 51 Chapter 7. FRU replacement notices ... 53 Screw notices ... 53 Retaining serial numbers ... 54 Restoring the serial number of the system unit ... 54 Retaining the UUID ... 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 assembly ... 66 1070 Fingerprint reader ... 66 1080 Touch pad ... 67 1090 Battery pack ... 68 1100 Optical drive or travel cover ... 69 1110 DIMM ... 70 1120 PCI Express Mini Card for wireless LAN . . 71 1130 PCI Express Mini Card for wireless WAN . . 72 1130 mSATA solid state drive ... 73 1140 Bluetooth daughter card ... 75 1150 Media Card Reader slot board assembly . . 75 1160 System board assembly and fan assembly . 76 1170 DC-in sub card ... 78 1180 LCD unit ... 80 2010 LCD bezel assembly ... 82 2020 Integrated camera ... 83 2030 Hinges ... 84 2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly ... 85 Chapter 9. Locations ... 87 Front view ... 87 Rear view ... 88 Bottom view ... 88 Chapter 10. Parts list ... 89 Overall ... 90 Keyboard ... 96 Miscellaneous parts ... 97 AC power adapters ... 97 Power cords ... 97 Recovery discs ... 98 Windows XP Professional DVDs ... 98 Windows 7 Home Basic (32 bit) DVDs ... 99 Windows 7 Home Basic (64 bit) DVDs ... 99 Windows 7 Home Premium (32 bit) DVDs . . 100 Windows 7 Home Premium (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

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These manuals are for personal use only.

These documentations are only intended for qualified technicians who are aware of the respective safety regulations.

Trademarks and Copyrights used herein are the property of their respective owners.