Lenovo B450 Support Question
Lenovo B450 Support Question
Find answers below for this question about Lenovo B450.Need a Lenovo B450 manual? We have 2 online manuals for this item!
Question posted by jayaprakashbitra on March 5th, 2014
Internal Microphone
Internal Microphone is not working?
Current Answers
Answer #1: Posted by TheWiz on March 5th, 2014 3:27 PM
TheWiz
Member since:
October 13th, 2011 Points: 25,383,434
Member since:
October 13th, 2011 Points: 25,383,434
Make sure you have the latest audio driver from Lenovo installed. You can download it here.
Related Lenovo B450 Manual Pages
Lenovo B450 User Guide V1.0 - Page 9
..., and other features can create potential safety risks that can help you safely use your computer. To protect yourself from hazards and create a safer computer work environment, follow the instructions hereafter. For more information, see "Appendix C. iii The safety risks are electronic devices.
Follow and retain all information included with your...
Lenovo B450 User Guide V1.0 - Page 11
...the computer and other parts to overheat or even catch a fire. Danger: • Placing the working computer or other parts on a bed, sofa or other flexible surface may damage the computer and... Turn off wireless devices where they may be caused by spilled liquid. v Important safety information
Working place Do NOT use the computer during a lightning storm. Keep a good ventilation of your ...
Lenovo B450 User Guide V1.0 - Page 13
..., hit or place heavy objects on it. Important safety information
Do NOT wrap the power cord around the power adapter or other part of the working computer for more than 15 minutes.
vii
Lenovo B450 User Guide V1.0 - Page 17
... hearing.
USB ports
Connects to an Ethernet network. jack
Note: For details, see "Connecting a universal serial bus (USB) device" on page 24.
Microphone jack Connects to an external microphone.
Headphone jack Connects to music at high volume over extended periods of time may damage your computer
Left-side view
a
b
c
de
f
AC power...
Lenovo B450 User Guide V1.0 - Page 21
... "Using AC adapter and battery" on page 11.
Memory/Hard Disk Drive (HDD)
compartment
Houses the computer's memory and hard disk drive.
Fan louvers
Dissipate internal heat.
Chapter 1. Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur.
7
Lenovo B450 User Guide V1.0 - Page 23
... need to resume use, and bypass the startup process.
9 Putting your computer into sleep state If you will be away from your computer, you finish working with your computer for only a short time, put it down. Learning the basics
„ Turn on the computer
Press the power button to turn on...
Lenovo B450 User Guide V1.0 - Page 25
... energy stored in any of battery power remaining by using Windows Power Options. You need to charge the battery in the battery when you commence work. • The way you need to predict how long a battery charge will depend on the usage environment. Chapter 2.
Lenovo B450 User Guide V1.0 - Page 29
Note: The indicator will light on if the numeric keypad is enabled.
15 To enable or disable the numeric keypad, press Fn+Insert.
Chapter 2. Learning the basics
Using the keyboard
Your computer has a numeric keypad and function keys incorporated in its standard keyboard.
„ Numeric keypad
The keyboard has keys that, when enabled, work as a 10-key numeric keypad.
Lenovo B450 User Guide V1.0 - Page 45
... of this guide. Troubleshooting
Frequently Asked Questions
This section lists frequently asked questions and tell where you can I prevent problems with your computer, see Lenovo B450 Setup Poster. See "Important safety information" on page 86 of this guide.
I need to upgrade a device or I follow when using my computer?
See "Appendix D. See...
Lenovo B450 User Guide V1.0 - Page 48
... computer, nothing appears on . (Press the power button again for confirmation.) - The following section only describes problems that : - Chapter 5. The computer power is plugged into a working electrical outlet. - The AC adapter is connected to your Windows environment or the entire contents of your problem here, see only the cursor on a blank...
Lenovo B450 User Guide V1.0 - Page 50
... B. The critical low-battery error • The battery power is charged.
- Connect the AC
message appears, and the
adapter to protect the processor and other internal components. To disable it, press Fn + Insert. The computer enters sleep mode immediately after Power-on .
Note: If the battery is charged and the temperature...
Lenovo B450 User Guide V1.0 - Page 51
... and hold the power button for 4 seconds or more.
If the computer is depleted. However, unsaved data may have entered hibernation mode automatically
does not work. Chapter 5. because the battery is still not reset, remove the AC adapter and the battery.
37 Connect the AC adapter to the computer, then
press...
Lenovo B450 User Guide V1.0 - Page 53
protector, then turn on the computer again. A hard disk drive problem
The hard disk drive does not work.
• In the Boot menu in BIOS Setup Utility, make sure that : - Troubleshooting
Sound problems
No sound can be heard from the speaker even when ...
Lenovo B450 User Guide V1.0 - Page 72
...number in a country or region, please contact Lenovo, or your computer is eligible for International Warranty Service, which automatically entitles you travel with your computer or relocate it to http...be performed by country, and some countries, fees and restrictions might be eligible for International Warranty Service and to service all countries. Service will be able to view a list...
Lenovo B450 User Guide V1.0 - Page 93
Any award shall be final and binding on the parties without regard to conflict of or in connection with the laws of Singapore International Arbitration Center ("SIAC Rules") then in writing and set forth the findings of fact and the conclusions of law. Lenovo limited warranty
UNDER NO CIRCUMSTANCES ...
Lenovo B450 User Guide V1.0 - Page 94
... in such proceedings, shall be obtained in any other language version in EEA countries may contact Lenovo at the following address: EMEA Service Organisation, Lenovo (International) B.V., Floor 2, Einsteinova 21, 851 01, Bratislava, Slovakia. YOU MAY ALSO HAVE OTHER RIGHTS UNDER APPLICABLE LAW OR WRITTEN AGREEMENT WITH LENOVO. Appendix...
Lenovo B450 User Guide V1.0 - Page 100
... external. There are responsible for removal by a Lenovo service technician during the warranty period. Internal CRUs can be removed and installed by customers or by the customer.
However, both internal and external CRUs are easy to help you remove and replace the part. Examples of these types of external CRUs: • External...
Lenovo B450 User Guide V1.0 - Page 101
...include PCI Express Mini Cards and the integrated keyboard.
87 Examples of these types of internal CRUs: • Internal CRUs (located behind an access panel): These CRUs are
isolated parts within the product):...of CRUs include memory modules and hard disk drives. • Internal CRUs (located within the computer that are accessible only by opening the computer's outer case. Appendix D.
Lenovo B450 User Guide V1.0 - Page 108
... is connected. • Consult an authorized dealer or service representative for a Class B digital device, pursuant to Part 15 of the following information refers to Lenovo B450, machine type 20029, 3328.
„ Federal Communications Commission (FCC) Statement
This equipment has been tested and found to comply with the instructions, may cause harmful...
Lenovo B450 User Guide V1.0 - Page 121
... 14.0" HD LCD
2.5" SATA 160/250/320G 6-row Lenovo Keyboard
0.3M
6 cells, 48Wh Li-ion battery 90W, 65W
107 Features and Specifications
Model Name: Lenovo B450
Machine Type 3328/20029
Note: The following specifications may contain technical inaccuracies or typographical errors. Appendix F.
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