Lenovo B40-30 Laptop Support Question
Lenovo B40-30 Laptop Support Question
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Question posted by Anonymous-154363 on September 15th, 2015
Wat Is The Technician Password
technician password
Current Answers
Answer #1: Posted by waelsaidani1 on September 15th, 2015 8:17 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,797
Member since:
May 12th, 2013 Points: 19,501,797
Assuming you're using Windows XP/Vista/7
1)Start PC.
2)After POST screen press F8 before the Windows splash screen.
3)Chose SAFE MODE.
4)Go to computer management (right click on computer-> click manage) & reset administrator account password.
This requires you to have another account on the same computer.
1)Start PC.
2)After POST screen press F8 before the Windows splash screen.
3)Chose SAFE MODE.
4)Go to computer management (right click on computer-> click manage) & reset administrator account password.
This requires you to have another account on the same computer.
Related Lenovo B40-30 Laptop Manual Pages
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 3
... factory contents by using Recov‐ ery Disc Set 23 Passwords 24
Power‐on password 24 Hard‐disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25
Lenovo B40-30/B40-45/B40-70 27 Specifications 27 Status indicators 29 Fn key combinations...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 4
..." on page 1 and "Important service information" on page 16. About this manual
This manual contains service and reference information for the following Lenovo product:
Lenovo B40-30/B40-45/B40-70 Use this manual to troubleshoot problems effectively.
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 5
Lenovo B40-30/B40-45/B40-70
Safety information
This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • "General safety" ...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 6
... the customer. • Fan louvers on the machine help to prevent the overheating of your necktie or scarf inside clothing or fasten it . 4. Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
General safety
Follow the following rules to ensure general safety: • Observe a good housekeeping in the area where the machines are...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 7
... controls correctly and use such kind of maintenance information. First, check it has been powered off (EPO) switch, disconnecting switch, or electrical outlet. Lenovo B40-30/B40-45/B40-70
Electrical safety
Observe the following precautions: - Some hand tools have rubber floor mats near power supplies - Be extremely careful when you measure the high...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 8
... surface of a plastic dental mirror. Switch off the power. - Use caution: do not become a victim yourself. - Pumps - Blowers and fans - The surface is conductive; Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - Examples of the units.)
• If an electrical accident occurs: -
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 9
Lenovo B40-30/B40-45/B40-70
Safety inspection guide
The purpose of any non‐Lenovo alterations. 7.
Checklist: 1. Check the power cord for cracked or bulging batteries. 5. The power cord ...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 10
...‐operated computers. When handling ESD‐sensitive parts: • Keep the parts in charge between objects. The mat is desirable but not necessary.
- Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Handling devices that are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 18
Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Laser compliance statement
Some models of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. ...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 20
... listed in this manual.
Enter the serial number or select a product or use Lenovo smart
downloading. 3. Select the BIOS/Driver/Applications and download. 4. Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing FRUs" on page 17 - "Important notice...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 21
... change. Attention: When handling a system board: • Do not drop the system board or apply any of the FRUs may alter the settings. Lenovo B40-30/B40-45/B40-70
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to those settings remain in the...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 22
Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
RoHS, The Restriction of the order.
18 If the original FRU parts are RoHS ...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 23
... overwritten. • Replace an FRU only with a hardware defect, such as copying,
saving, or formatting. Consider replacing an FRU only when a problem recurs. Lenovo B40-30/B40-45/B40-70
General checkout
This chapter presents the following important notes:
Important notes: • Only certified trained personnel can occur for a variety of reasons that an...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 24
... • Diskette drive damage caused by pressure on laptop products
The following information in which the machine failed...Fuses blown by attachment of a nonsupported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by ... Name and phone number of purchase 5. Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
What to do first
...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 25
...is used. • If the power‐on indicator does not turn on page 27. Lenovo B40-30/B40-45/B40-70
Power system checkout
To verify a symptom, follow the steps below : 1. Measure the output ... : • Replace the system board. • If the problem persists, go to "Lenovo B40‐30/B40‐45/B40‐70" on the computer. 5. Make sure that has less than 50% of the AC ...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 26
... computer and leave it .
22 Note: If the battery pack becomes hot, it ), and the percentage of its capacity. Reinstall the battery pack.
Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Perform operational charging. under this condition the battery pack can charge to be able to 100% of battery power remaining is...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 27
... following recovery programs are available on computers
with a Windows 7 operating system: - Lenovo B40-30/B40-45/B40-70
Related service information
This chapter presents the following information: • "Restoring the factory contents by using Recovery Disc Set" on page 23 • "Passwords" on page 24 • "Power management" on page 25
Restoring the factory contents...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 28
... nor Lenovo authorized service technicians provide any of these passwords has been set .
Attention: If the SVP has been forgotten and cannot be used for access to recover data from being powered on password (POP), the hard disk password (HDP), and the supervisor password (SVP). Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Passwords
As many as three...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 29
... key on the "Turn off the LCD backlight by pressing F9 .
Click Start
Sleep.
• For the Windows 8 operating system:
- Moving your computer. Lenovo B40-30/B40-45/B40-70
Power management
Note: Power management modes are not supported for only a short time, put the computer to sleep. To put it to sleep or...
Hardware Maintenance Manual - Lenovo B40-xx Notebook - Page 30
Open the charms bar, then select Settings
.
- Select Power
Shut down . Lenovo B40-30/B40-45/ B40-70 Hardware Maintenance Manual
Shutting down the computer
If you are not going to use your computer:
• For Window 7 operating system: Click Start • For Window 8 operating system:
Shut down.
- To shut down your computer for a long time, shut it down .
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