Lenovo 28472PU Support and Manuals
Get Help and Manuals for this Lenovo item
View All Support Options Below
Free Lenovo 28472PU manuals!
Problems with Lenovo 28472PU?
Ask a Question
Free Lenovo 28472PU manuals!
Problems with Lenovo 28472PU?
Ask a Question
Popular Lenovo 28472PU Manual Pages
Hardware Maintenance Manual - Page 3
.... . . 59
Chapter 8. Important service information 23
Strategy for replacing FRUs 23 Strategy for replacing a hard disk drive . . . 24 Important notice for replacing a system board 24 How to do first 27 Checkout guide 28
System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for wireless LAN . . 78 1130 Backup battery 80 1140 Bluetooth daughter card (BDC-2) . . . . . 80...
Hardware Maintenance Manual - Page 29
... board before completing the service action.
Replace only the FRU that applies to all software fixes, drivers, and BIOS downloads are installed before you are instructed to http://support.lenovo.com. 2. "FRU identification for replacing FRUs" on page 23
- Go to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in...
Hardware Maintenance Manual - Page 33
...under warranty and some common items that the model of the correct model. Date of service technician 2.
Consider replacing a FRU only when a problem recurs. If you replace FRUs, it :
1. Date on page 35
Before you replace a FRU, make sure that are correct by the customer. General checkout
This chapter presents following important notes. "System supporting the Lenovo ThinkVantage...
Hardware Maintenance Manual - Page 34
... guide
Use the following Web site: http://support.lenovo.com
To create the PC-Doctor diagnostic CD, follow the instructions on the computer. 2. Note: The diagnostic tests are intended to enter the BIOS Setup Utility.
28 Hardware Maintenance Manual
Identify the failing symptoms in PC-Doctor. Turn on the Web site. The use of non-ThinkPad products...
Hardware Maintenance Manual - Page 35
... by the customer, BIOS Setup Utility menu appears after the password is entered.
Note: If a supervisor password has been set by using Configuration utility for DOS CD-R/CD-RW disc supports only test of entering the supervisor password; Using a bootable PC-Doctor for DOS CD/DVD, the computer can be powered on ThinkPad computers. If the computer...
Hardware Maintenance Manual - Page 39
... is disabled, select Automatic to your particular computer. For additional information about ThinkPad computers that enable you to troubleshoot and resolve computer internal storage and memory problems.
Notes: • If the computer you are servicing is disabled, select Automatic to computers installed with the Lenovo Solution Center program, you use the TrackPoint, the pointer may drift...
Hardware Maintenance Manual - Page 40
... download a bootable diagnostic program from the Lenovo Support Web site. Follow the instructions on a USB device or CD. Refer to the messages to the C:\SWTOOLS\ldiag folder. 2. The main screen of the following :
1. To create a bootable diagnostic medium, do the following :
34 Hardware Maintenance Manual
Go to troubleshoot the problem. Select the device class to be...
Hardware Maintenance Manual - Page 46
... http://www.lenovo.com/serviceparts-lookup.. c. Follow the instructions on which discs to select Startup ➙ Boot. Select your language and click Next.
5. If you hear repeating beeps, release the F1 key. Insert the Applications and Drivers Recovery Disc when prompted and then click OK to complete the Windows setup.
40 Hardware Maintenance Manual
Note: The...
Hardware Maintenance Manual - Page 47
... reinstall some device drivers. How to remove the power-on . 11. The password must be entered before an operating system can be made available to the service technician, there is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master HDP, or to restore the default settings.
If no...
Hardware Maintenance Manual - Page 48
... Setup Utility. Select Password. 5. When the ThinkPad logo comes up, immediately press F1 to remove the hard-disk password
Attention: If User only mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee.
For how to Security ➙ Password. In the Changes have been removed.
42 Hardware Maintenance Manual
For models
supporting...
Hardware Maintenance Manual - Page 50
...errors and their possible causes. If replacing a FRU does not solve the problem, put the original part back in sequence."
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup...during regular servicing, what FRUs are satisfied in boldface type. Note: Do the FRU replacement or other... Manual A numeric error is powered off.
The most likely ...
Hardware Maintenance Manual - Page 51
... computer.
0260 System timer error. (two short beeps)
1. Note: For a device not supported by diagnostic codes in sequence
0187
System board. Numeric error codes
Symptom or error (beeps, if any)
FRU or action, in the ThinkPad Notebooks, see the manual for more than 8 hours by pressing F10.
2. Run BIOS Setup Utility, and then save current setting by connecting the ac...
Hardware Maintenance Manual - Page 53
... transistors (TFTs).
Chapter 4. Table 3. Unauthorized WAN card is installed correctly.
2. Check that every connector is set . Enter BIOS Setup Utility and see the same error message, check the boot sequence.
3.
No-beep symptoms
Table 4. Type the password and press Enter. Notes:
• This policy applies to all ThinkPad Notebooks purchased on , LCD blank, and no failure...
Hardware Maintenance Manual - Page 54
... devices are supported by the FRU code. Replace any FRUs. 3. DIMM h. PC Cards 4. System board
48 Hardware Maintenance Manual
LCD assembly. 3. System board.
1.
Verify that have nothing to isolate the failing FRU (do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. Battery pack e. If the problem remains, replace the following...
Hardware Maintenance Manual - Page 121
... U is your receipt of a country designator) should be charged for all types or models, unless specific types or models are designated as Optional-service CRUs. Installation of Self-service CRUs is an example of the replacement CRU. Optional-service CRUs: These CRUs are isolated parts within thirty (30) days of CRUs include the ac power adapter, power cord, battery...
Lenovo 28472PU Reviews
We have not received any reviews for Lenovo yet.