Lenovo 74542NU Support and Manuals
Get Help and Manuals for this Lenovo item
This item is in your list!
View All Support Options Below
Free Lenovo 74542NU manuals!
Problems with Lenovo 74542NU?
Ask a Question
Free Lenovo 74542NU manuals!
Problems with Lenovo 74542NU?
Ask a Question
Popular Lenovo 74542NU Manual Pages
User Manual - Page 5
... Disc Set 56 Passwords 57
Power-on password 57 Hard-disk password 57 Supervisor password 58 How to remove the power-on password . . . . 58 How to remove the hard-disk password . . . . 59 Power management 60 Screen blank mode 60 Sleep (Standby) mode 60 Hibernation mode 61
© Copyright Lenovo 2008, 2010
Symptom-to-FRU index 62 Numeric error codes 62 Error...
User Manual - Page 47
...
Before replacing parts: Make sure that all machine types supported by this manual. "Product definition" on the screen and install the necessary software.
© Copyright Lenovo 2008, 2010
39
Go to http://www.lenovo.com/support 2. Enter the product number of the computer or press Auto-detect button on the
screen. 3.
The BIOS and device drivers are customer-installable. "How...
User Manual - Page 51
..., make sure that you are correct by referring to the checkout guide, be replaced because of reasons that a FRU is defective, clear the error log and run the test again. "Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)" on page 48 - v Before replacing any ThinkPad model that supports the PC-Doctor® for a variety of a single, unreproducible failure. v Be extremely careful...
User Manual - Page 56
... works through the Windows operating system. It enables you to troubleshoot and resolve problems related to display symptoms and solutions: v Check System Health v System and Device Tests v Lenovo Troubleshooting Center v System Reports v Updates and Support
48 ThinkPad X200, X200s, X200si, X201, X201i, and X201s Hardware Maintenance Manual You can also run this program as follows:
Windows...
User Manual - Page 64
... screen is displayed.
Select your language and click Next.
56 ThinkPad X200, X200s, X200si, X201, X201i, and X201s Hardware Maintenance Manual
Applications and Drivers Recovery Disc (one disc) This disc restores the Microsoft® Windows operating system. If you can use the Recovery Disc Set for the computer. 8. When the recovery process is on the screen to...
User Manual - Page 66
...enter BIOS Setup
Utility. For the other models, enter the POP. The Master + User mode requires two HDPs;
For models supporting the Passphrase function, press F1 while the POP icon is available on the computer. 2. If no service procedure to the hard disk drive. Select Password.
58 ThinkPad X200, X200s, X200si, X201, X201i, and X201s Hardware Maintenance Manual When the ThinkPad logo...
User Manual - Page 70
... replacing a FRU does not solve the problem, put the original part back in the ThinkPad Notebooks, see the manual for each error detected in POST or system operation.
Note: For a device not supported by pressing F10.
2. Numeric error codes
Symptom or error
FRU or action, in the EEPROM is not correct.
2. Enter BIOS Setup and load Setup Enter to load the default setting...
User Manual - Page 72
...64 ThinkPad X200, X200s, X200si, X201, X201i, and X201s Hardware Maintenance Manual Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in the computer. Default configuration used .
1. Charge the backup battery for more than 8 hours by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup Utility to reset the time and date.
0252 Password...
User Manual - Page 73
... an old firmware, the customer needs to update its firmware to enter SETUP
1. Do not apply any physical shock to Slot-0 or the lower slot. System board.
2102
1. System board.
2110
1. Install DIMM in Slot-1. Ensure that you installed.
2. Inform the following information to the customer: If in -Power off and install a memory module to the computer.
2.
Power...
User Manual - Page 75
.... 2. A power-on password or a supervisor password is set .
The hard-disk password prompt appears. System board. 2.
A hard-disk password is set . One long and two...password and press Enter. LCD assembly. 3. LCD assembly. 3. See "Numeric error codes" on , LCD blank, 1. Two short beeps and a blank screen.
1. DIMM. connected tightly and correctly.
2. Related service...
User Manual - Page 77
... cosmic radiation, electrostatic discharge, or software errors. Verify that no more errors exist. Non-ThinkPad devices b. Undetermined problems
If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are supported by the FRU code. External diskette drive or optical drive f.
LCD assembly
Related service information 69 Visually check each FRU...
User Manual - Page 84
... location, start Presentation Director, and change the settings. Note: If the computer is a Windows 7 model, it does not support presentation schemes, but the Fn+F7 combination is displayed only if
the ThinkPad computer has been attached to change the settings.
Reserved.
76 ThinkPad X200, X200s, X200si, X201, X201i, and X201s Hardware Maintenance Manual Table 8. Fn+F8 Fn+F9
Fn...
User Manual - Page 131
... to apply the following labels:
1
Product label
2
Homologation label
2a Non-mercury label
Note: If the computer you are servicing is an LED-backlight LCD model,
you need to the following figure:
1
2
3
4
2a
10
5
9
6
8 7
Removing and replacing a FRU 123
Applying labels to paste this label so that the notice for Wireless WAN
9
China modem...
User Manual - Page 175
... include an ac adapter, a power cord, a battery, and a hard disk drive. Optional-service CRUs These CRUs are isolated parts within the computer that are concealed by an access panel that the part is specified. ThinkPad computers contain the following lists of the service parts. v FRU with specific models listed and described as 3Dx (where 3D is an
example of a unique...
Brochure - Page 4
... product warranties, visit lenovo.com/hk/warranty. Lenovo is service partition. [7] Models with time. The Lenovo and ThinkPad 11a/b/g/n Wireless Lan Mini-PCI Express Adapters are trademarks of support varies by IBM or Lenovo. Offer subject to international roaming.
For a copy of the IEEE 802.11n specification. ThinkPad X200 Accessories:
LENOVO 2GB PC3-8500 1066MHz...
Lenovo 74542NU Reviews
Do you have an experience with the Lenovo 74542NU that you would like to share?
Earn 750 points for your review!
We have not received any reviews for Lenovo yet.
Earn 750 points for your review!