Apparatuur informatie

Lenovo ThinkPad Edge E420 Schrift
Fabrikant:
Lenovo
Model: ThinkPad Edge E420
Datum: 2012
Categorie: Computerapparatuur
Groep: Schrift
Beschrijving:
Informatie:

Deze handboeken zijn beschikbaar voor de bovengenoemde apparatuur:

Manueel de Type: Servicehandboek Lenovo-4530-Manual-Page-1-Picture
Pagina 's: 126
Grootte: 15.51 Mbytes (16267534 Bytes)
Taal: Engels
Herziening: Seventh edition
Handleiding-ID/Number: 0A60575_05
Datum: oktober 2012
Kwaliteit: Elektronisch document, geen scan, zeer goed leesbaar.
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MD5: 35c265a00870b300a58a60168d179281
Downloads: 381 Sinds 28 april 2013
Informatie:

About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad Edge E420 Machine Type (MT) 1141, and 1167 ThinkPad Edge E425 Machine Type (MT) 1198 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 25. 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) ... 17 Chapter 2. Important service information ... 25 Strategy for replacing FRUs ... 26 Important notice for replacing a system board ... 26 How to use error message ... 26 Strategy for replacing FRUs for CTO, CMV, and GAV ... 26 Product definition ... 26 FRU identification for CTO, CMV, and GAV products ... 27 Chapter 3. General checkout ... 29 What to do first ... 29 Checkout guide ... 30 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor 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 battery ... 38 Chapter 4. Related service information ... 39 Restoring the factory contents by using Recovery Disc Set ... 39 Passwords ... 40 Power-on password ... 40 Hard-disk password ... 40 Supervisor password ... 41 Power management ... 42 Screen blank mode ... 42 Sleep mode ... 42 Hibernation mode ... 42 Symptom-to-FRU index ... 43 Numeric error codes ... 44 Error messages ... 44 No-beep symptoms ... 44 LCD-related symptoms ... 45 Intermittent problems ... 45 Undetermined problems ... 45 Chapter 5. Status indicators ... 47 Chapter 6. Special keys ... 49 Chapter 7. FRU replacement notices ... 51 Screw notices ... 51 Retaining serial numbers ... 52 Restoring the serial number of the system unit ... 52 Retaining the UUID ... 53 Chapter 8. Removing and replacing a FRU ... 55 Before servicing ThinkPad Edge E420 models . . 55 1010 Battery pack ... 56 1020 ExpressCard blank bezel ... 57 1030 Bottom slot cover ... 58 1040 Optical drive or travel cover ... 59 1050 Memory modules ... 60 1060 Hard disk drive assembly ... 60 1070 PCI Express Mini Card for wireless LAN . . 62 1080 PCI Express Mini Card for wireless WAN . . 63 1080 mSATA solid state drive ... 64 1090 Backup battery ... 66 1110 Keyboard ... 66 1120 Top case assembly ... 68 1130 Bluetooth daughter card ... 71 1140 Express sub card ... 72 1150 Speaker assembly ... 73 1160 System board assembly and fan assembly . 74 1170 CPU ... 80 1180 DC-in sub card and base cover assembly . . 81 1190 LCD unit ... 84 2010 LCD bezel assembly ... 86 2020 Integrated camera ... 87 2030 LCD panel, LCD cable, LCD rear cover assembly, and hinges ... 88 2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly ... 90 Chapter 9. Locations ... 93 Front view ... 93 Rear view ... 94 Bottom view ... 94 Chapter 10. Parts list ... 95 Overall ... 96 LCD FRUs ... 105 Keyboard ... 108 Miscellaneous parts ... 109 ac power adapters ... 109 Power cords ... 110 Recovery discs ... 111 Windows 7 Home Basic (32 bit) DVDs ... 112 Windows 7 Home Basic (64 bit) DVDs ... 112 Windows 7 Home Premium (32 bit) DVDs . . 113 Windows 7 Home Premium (64 bit) DVDs . . 113 Windows 7 Professional (32 bit) DVDs ... 114 Windows 7 Professional (64 bit) DVDs ... 115 Common service tools ... 116 Appendix A. Notices ... 117 Electronic emissions notices ... 118 Trademarks ... 118

Lenovo-4530-Manual-Page-1-Picture


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