Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by vaflbill on July 26th, 2014
How To Turn On The Wireless Connection On Lenovo B575
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Current Answers
Answer #1: Posted by freginold on May 31st, 2020 5:43 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
According to the user guide, you can turn the wireless function on or off by pressing <Fn> and <F5>. If you don't have your user guide, you can download a PDF copy here.
Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 1
... you can find all preinstalled software downloads. P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety notices and important tips in damages to the AC adapter.
3...on -screen instructions
Users of your computer. In addition to the AC adapter firmly, poor connections may contain items that are not supplied with the computer.
You can be used to ...
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...NC 27560 U.S.A. Operation is subject to the following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (...equipment and receiver. • Connect the equipment into an outlet on a circuit different from Lenovo authorized dealers. If this equipment..., and (2) this device must be determined by turning the equipment off and on, the user is ...
Lenovo B575 User Guide V1.0 - Page 23
... to the Internet
Wireless connection
Wireless connections provide mobile access to the Internet, allowing you to computers, cell phones and other devices over a large geographic area. Divided by a mobile network operator. Hardware connection
Access point *
B575
Wi-Fi/WiMAX network * Not supplied
Software configuration Consult your computer.
19
An access point is necessary for...
Hardware Maintenance Manual - Page 3
... 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26
Lenovo B575 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices ...disk drive 37 1050 Optical drive 38 1060 DIMM 39 1070 PCI Express Mini Card for wireless LAN/WAN 40 1080 Keyboard 42 1090 Keyboard bezel 45 1100 System board 49 1110 LCD...
Hardware Maintenance Manual - Page 24
Date on laptop products
The following information in which the machine failed 4. Customer's name and address
Note for repair... keys caused by nonwarranted activities: • Missing parts might indicate that have been subjected
to excessive force, or dropped.
20 Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you attach to it may be a symptom of ...
Hardware Maintenance Manual - Page 25
...Connect the AC adapter. 4. Turn off the computer. 2. Unplug the AC adapter cable from the AC adapter does not always indicate a defect. Measure the output voltage at the plug of the following : • Replace the system board. • If the problem continues, go to "Lenovo B575... verify a symptom, follow the steps below : 1. Turn off the computer. 6. Disconnect the AC adapter and ...
Hardware Maintenance Manual - Page 26
... icon. To check the battery pack, follow the steps below: 1. Reinstall the battery pack. Then reinstall the battery pack.
Turn off , replace the battery pack. If the voltage is still not charged, go to +14
7
Ground (-)
3. If ... If the battery status indicator or icon does not light on , replace the system board. Lenovo B575 Hardware Maintenance Manual
Perform operational charging.
Hardware Maintenance Manual - Page 28
... (SVP). The computer does not start until the password is turned on by an unauthorized person. The system board must be made available to the servicer, there is booted. Please follow the prompt to insert the backup discs to 2 hours. Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to boot...
Hardware Maintenance Manual - Page 30
When the power is turned on the hard disk drive is read, and system status is powered off. To cause the computer... do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that action: - Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data...
Hardware Maintenance Manual - Page 32
Lenovo B575 Hardware Maintenance Manual
Table 1. Specifications (continued)
Feature
Description
MODEM slot
• N/A
Audio
...WLAN card
Card slot
• 1 slot for WWAN (Select models only)
WLAN
• Support Lenovo b/g and b/g/n WLAN
WWAN
• design ready
Bluetooth wireless
• Built-in antenna with min-USB interface (Select models only)
Keyboard
• Numberic ...
Hardware Maintenance Manual - Page 33
...white drive-in-use White: Data is
on, do not put the computer into standby mode or
turn off the computer. To enable or disable the numeric keypad,
press the Num Lock key. You ... indicator is being read from or written to the hard disk
drive, or the optical disk drive. Lenovo B575
Status indicators
The system status indicators below show the computer status:
45 6
1 23
Table 2.
To...
Hardware Maintenance Manual - Page 34
... power of its capacity. Blinking white:
The battery is being charged with the remaining power between 20% and 80% of the battery is being transmitted. Lenovo B575 Hardware Maintenance Manual
d Power on e Battery
status
f Wireless
status
White: System is turned on and connected to AP. White: The wireless LAN radio is enabled.
Hardware Maintenance Manual - Page 35
...interface for integrated wireless devices settings (on /off the integrated camera.
Fn + / :
Increase/Decrease display brightness. Fn + / :
Increase/Decrease sound volume.
31 Lenovo B575
Fn key combinations.... Fn key combinations
Key combination
Description
Fn + Esc:
Turn on /off the backlight of Windows Media Player.
Fn + F2:
Turn on/off ). Fn + Insert:
Enable/Disable the scroll...
Hardware Maintenance Manual - Page 36
...Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the "Torque" column for each step.
• Make sure that you have the following characteristics: • They maintain tight connections...part:
more than 90°
(Cross-section)
• Logic card to plastic Turn an additional 180° after the screw head touches the surface of the logic ...
Hardware Maintenance Manual - Page 37
...are listed. 4. Before replacing any of the interconnecting cables. Any of the page.
Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using...removing any FRU, turn on page 64. 8. Do not attempt to remove and replace the FRU. Begin by removing any of damaging parts. 2. For information about connecting and arranging internal cables...
Hardware Maintenance Manual - Page 44
...(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36 Figure 7.
Lenovo B575 Hardware Maintenance Manual
1070 PCI Express Mini Card for wireless LAN/WAN
2
1
Disconnect the two wireless LAN cables (black, white) a, and then remove the screw b.
wireless LAN card in some models may have 3 cables in the direction shown by using...
Hardware Maintenance Manual - Page 45
Lenovo B575
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)
Remove the card in the direction shown by arrow c .
3
When installing: • In models with a wireless LAN card that ...white cable (2nd) (AUX) into jack labeled 2 on the card. • In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack ...
Hardware Maintenance Manual - Page 53
Lenovo B575
1100 System board
Important notices for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on a padded
surface such as metal, wood, or composite. • ...
Hardware Maintenance Manual - Page 55
Lenovo B575
Figure 10. Improper placement of the audio jack and the microphone jack are attached to the base cover, adjust the placement of the wireless radio switch as shown in . Removal steps of system board (continued)
Remove the system board in the direction shown by arrow d.
4
b
a
a
When installing: When attaching ...
Hardware Maintenance Manual - Page 56
... DIMM" on page 39 • "1070 PCI Express Mini Card for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49
Figure 11. Lenovo B575 Hardware Maintenance Manual
1110 LCD unit
For access, remove these FRUs in...
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