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Question posted by mlgtystl on January 6th, 2014

How To Run Hardware Diagnostics On Lenovo T420

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Answer #1: Posted by sabrie on January 10th, 2014 9:02 PM

sabrie

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May 23rd, 2013

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Download the hardware maintenance manual, it will give you the instructions that you are looking for.

http://support.lenovo.com/en_US/guides-and-manuals/detail.page?LegacyDocID=MIGR-76853

www.techboss.co.za

Related Lenovo ThinkPad T420 Manual Pages

Hardware Maintenance Manual - Page 35

...supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that is available on ThinkPad computers. Diagnostics using .... Try to enter the ThinkPad Setup program. When the ThinkPad logo comes up, immediately press F1 to re-create the failure by running the diagnostics test included in as much...

Hardware Maintenance Manual - Page 39

...the following: • Interactive Tests ➙ Mouse System supporting the Lenovo diagnostics programs The section provides information about ThinkPad computers that support the Lenovo diagnostics programs. Some descriptions might not apply to the ThinkPad Notebook, detach it. 4. Chapter 3. Place the computer on a horizontal surface, and run this case, turn off and turn on the screen for...

Hardware Maintenance Manual - Page 53

...by pressing F10. 2. System board. 0182 Bad CRC2. Then save the current setting by diagnostic codes in the ThinkPad Notebooks, see the manual for each error detected in the EEPROM is not correct. 1.... in the sequence shown in the column headed "FRU or action, in the computer. Run the ThinkPad Setup program. This index can be replaced next. Charge the battery pack. 2. A numeric...

Hardware Maintenance Manual - Page 58

... any damaged FRU. 3. External diskette drive or optical drive g. Printer, mouse, and other external devices d. Battery pack e. DIMM h. System board b. Run the diagnostic test for damage. LCD assembly 52 ThinkPad T420 and T420i Hardware Maintenance Manual Determine whether the problem has been solved. 6. If the problem does not recur, reconnect the removed devices one at...

(English) User Guide - Page 213

... overview" on a regular basis. 3. If you ever need to run a diagnostic test of the drive prior to updating for device drivers on other non-Lenovo hardware. If the test returns any messages or error codes. Chapter 9. ...have experienced and how you have the ac power connected. • Boot into the ThinkPad Setup and load the default settings. • Restart the machine and start up, ...

(English) User Guide - Page 225

... correctly in your model has been installed. 4. Click Control Panel ➙ Hardware and Sound. 3. Double-click Modems. 5. Troubleshooting computer problems 207 Memory problems... 1. Click Control Panel ➙ Hardware and Sound. 3. Chapter 10. See "Diagnosing problems" on page 201 Modem and networking The following items: 1. Run a diagnostic test. Double-click Modems. 5....

(Traditional Chinese) User Guide - Page 102

...Setup Confirmation Yes。 Client Security Solution Windows 7 Client Security Solution Lenovo Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad Setup Client Security Solution Windows 7 Client Security Solution。 1 2 Lenovo Fingerprint Software 20頁『Fingerprint Software』。 3 LED 行...

(Traditional Chinese) User Guide - Page 172

...PCMCIAPW install.bat 28 C:\SWTOOLS\DRIVERS C:\SWTOOLS\APPS 95 ThinkPad 網站： http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad-matrix http://www.lenovo.com/support 4 合 1 156 4 合 1 ThinkPad Monitor File for Windows 2000/XP/Vista/7 156 ThinkPad Monitor File for Windows 2000/XP/Vista/7』。安...

(Traditional Chinese) User Guide - Page 225

... ThinkPad Lenovo 209 Lenovo 210 215 Lenovo 之前 Lenovo ThinkVantage Toolbox ThinkPad 網站。請向 Lenovo ThinkPad http://www.lenovo.com/register Lenovo 23 http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad-matrix 記錄資訊 Lenovo Lenovo © Copyright Lenovo...

(Traditional Chinese) User Guide - Page 236

...; LAN 3 無線 LAN 與 WiMAX LAN 或 WiMAX ThinkPad ThinkPad http://www.lenovo.com/support ThinkPad 1 http://www.lenovo.com/support 2. 按一下 Support & downloads 3 Enter a product number Go。. 4 ThinkPad EAR ECCN) 為 4A994.b EAR E1 ThinkPad T420/T420i，機型 4237、4238、4178...

(Japanese) User Guide - Page 118

...8226; 「Setup Confirmation Yes 「Security Chip Client Security Solution 注：Windows 7 Client Security Solution Security Chip Lenovo Web Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad ThinkPad Setup Client Security Solution Client Security Solution 注：Windows 7 Client Security Solution 1.

(Japanese) User Guide - Page 221

ThinkPad AC ThinkPad Setup © Copyright Lenovo 2011 203 第 9 ThinkPad ThinkPad • 203 204 205 ThinkPad 1 Windows 注：Windows 7 および Windows Vista Windows XP 2 3 4 5 6 1 Lenovo ThinkPad 7 105 5 8 UEFI BIOS 9. http://www.lenovo.com/support ThinkPad 10 11 12.

(Japanese) User Guide - Page 225

ThinkPad 製品を Lenovo または Web サイト http://www.lenovo.com/register ThinkPad Lenovo ThinkPad ThinkPad ThinkPad LCD ThinkPad PSTN PBX 危険 ThinkPad ThinkPad 1 1/5 2 3 4 ThinkPad 5 6 7 8 9 1 第 9 207

(Japanese) User Guide - Page 227

第 10 章 ThinkPad ThinkPad 209 210 ThinkPad 209 Lenovo ThinkVantage Toolbox の使 209 Lenovo In-ROM Lenovo ThinkVantage Toolbox の使用 ThinkPad Lenovo ThinkVantage Toolbox ThinkPad Windows 7 の場合: 1 2 Lenovo Windows Vista および XP の場合: 1 2 ThinkVantage」&#...

(Japanese) User Guide - Page 261

...; 11 ThinkPad Lenovo 243 Lenovo 244 249 Lenovo ThinkPad Lenovo ThinkVantage Toolbox ThinkPad の Web ThinkPad 製品を Lenovo Web サイト http://www.lenovo.com/register ThinkPad Lenovo 25 Lenovo は ThinkPad の BIOS Web ThinkPad http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad...

(Hebrew) User Guide - Page 37

...; NVIDIA Optimus Graphics 64 64‬‬ 65 ThinkLight 66‬‬ 66 66‬‬ Lenovo Lenovo Lenovo Lenovo http://www.lenovo.com/register ThinkPad‬‬ http://www.lenovo.com/support/faq‬‬ http://www.lenovo.com/support 33 Windows XP ‫"‪ "Power Manager 19 32‬‬ Security" 4 73...

(Hebrew) User Guide - Page 95

...;‬ Client Security Solution Client Security Solution ,Windows 7 Client Security Solution Lenovo Client Security Solution ‫‪ .http://www.lenovo.com/support ThinkPad Setup Client Security Solution Windows 7 Client Security Solution 1 ‫‪ .2 Lenovo Fingerprint Software Fingerprint Software 18‬‬ 4 79‬‬

(Hebrew) User Guide - Page 209

...ThinkPad Lenovo Lenovo 193 193‬‬ 198‬‬ Lenovo‬‬ Lenovo ThinkVantage Toolbox ThinkPad‬‬ ThinkPad Lenovo http://www.lenovo.com/register Lenovo 21‬‬ http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad-matrix Lenovo Lenovo Lenovo Lenovo Lenovo...

(Arabic) User Guide - Page 174

...DRIVERS WIN\IRST Next Completing the Found New Hardware Wizard‬‬ Yes C:\SWTOOLS Intel Windows 2000/XP/Vista/7 infinst_autol.exe C:\SWTOOLS\DRIVERS‬‬ ‫‪.\INTELINF PCMCIA C:\SWTOOLS\OSFIXES\PCMCIAPW ‫‪ install.bat C:\SWTOOLS\DRIVERS C:\SWTOOLS\APPS ThinkPad http://www.lenovo.com/ThinkPadDrivers‬‬ http://www...

(Arabic) User Guide - Page 236

....lenovo.com/support ThinkPad http://www.lenovo.com/support Support & downloads Go Enter a product number ThinkPad United States Export Administration Regulations (EAR EAR E1 ECCN) of 4A994.b .4179‫ ﻭ‬4177‫ ﻭ‬4236‫ ﻭ‬4180‫ ﻭ‬4178‫ ﻭ‬4238‫ ﻭ‬4237 ThinkPad T420...