Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by ngbobs on December 9th, 2013
Where Is The Enable Wireless Capability Switch Switch On My Lenovo B575
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Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 2
...the Lenovo OneKey Rescue system and recover the system to the factory state, or a previously-generated restoration point. * If OneKey Rescue system is installed.
3 Integrated wireless device switch (...Power button / OneKey Rescue system button*
Start the computer. External devices connection
Ethernet
1
B575
2
3
Notes: • The above connection illustration is mercury-free and more energy-...
Lenovo B575 User Guide V1.0 - Page 9
Note: For details, see "System status indicators" on page 13.
5
b Integrated wireless device switch (Select models only)
c Memory card slot
Use this switch to know your computer.
Insert memory cards (not supplied) here. Getting to turn on/off the wireless radio of all wireless devices on your computer
Front view
a System status indicators
For details, see...
Lenovo B575 User Guide V1.0 - Page 18
... pair the device with your computer.
14 Read the documentation supplied with the Bluetooth enabled device for details on your computer
1 Slide the integrated wireless device switch from to . 2 Press Fn + F5 to pair the Bluetooth enabled device with your computer before you do not need to make configuration.
Learning the basics
„ Connecting...
Lenovo B575 User Guide V1.0 - Page 23
...the following :
1 Slide the integrated wireless device switch from to . 2 Press Fn + F5 to cover a metropolitan area, providing high-speed broadband access without the need for the connection.
Note: Your computer may not support all wireless connection methods.
„ Using Wi-Fi/WiMAX (Select models only) Enabling wireless connection
To enable wireless communications, do the following...
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 8
The surface is conductive; Pumps - Switch off the power. - such touching can cause personal injury and ...surges, and missing safety grounds.
• Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. Lenovo B575 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - Power supply units - Caution: do not ...
Hardware Maintenance Manual - Page 24
Date on laptop products
The following information in which the machine failed 4. Date of purchase 5. Date of service 3. Failing ...by the improper insertion of a PC Card or the installation of
an incompatible card • Improper disk insertion or use . 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 32
...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 ... 7 Starter/Home Basic/Premium/Professional
operating system • Free DOS
28 Lenovo B575 Hardware Maintenance Manual
Table 1.
Hardware Maintenance Manual - Page 33
... the keyboard 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 enable or disable the numeric keypad,
press the Num Lock key. You can enter all
alphabetic characters (A-Z) in...
Hardware Maintenance Manual - Page 34
... on)
The battery is switched off .
30 Blinking white:
The battery is being charged with the remaining power between 5% and 20% of its capacity. Blinking amber: (100ms off : System is also turned off and the radio of its capacity. Lenovo B575 Hardware Maintenance Manual
d Power on e Battery
status
f Wireless
status
White: System is in...
Hardware Maintenance Manual - Page 35
... for the display device switch to select this notebook or an external display.
Fn + Insert:
Enable/Disable the scroll lock....).
Fn + / :
Increase/Decrease sound volume.
31 Lenovo B575
Fn key combinations
The following table shows the function of each... interface for integrated wireless devices settings (on /off the backlight of Windows Media Player. Fn + F6:
Enable/Disable the touchpad....
Hardware Maintenance Manual - Page 44
...: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(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.
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
... not to drop the system board on a bench top that has a hard
surface, such as an ESD mat or conductive corrugated material. 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...
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 , and make sure that both of the switch or those jacks might cause a damage.
51 Removal steps of system board (continued)
Remove the system board...
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...
Hardware Maintenance Manual - Page 58
Lenovo B575 Hardware Maintenance Manual
1120 Fan assembly and Heat Sink assembly
For access, remove these FRUs in the direction shown by arrow a....on page 37 • "1050 Optical drive" on page 38 • "1060 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"...
Hardware Maintenance Manual - Page 60
... 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 • "1110 LCD unit" on page 52
Figure 14. Lenovo B575 Hardware Maintenance Manual
1130 Base cover, speakers and...
Hardware Maintenance Manual - Page 62
... 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 • "1110 LCD unit" on page 52
Figure 15. Lenovo B575 Hardware Maintenance Manual
1140 LCD front bezel
For...
Hardware Maintenance Manual - Page 68
Lenovo B575 Hardware Maintenance Manual
Locations
Front view
a Integrated camera (Select models only) b Wireless module antennas (Select models only) c Speaker d Power button e OneKey Rescue System button f Built-in microphone g System status indicators
Note: For the description of each indicator, see "Status indicators" on page 29. h Touchpad i Memory card slot j Integrated wireless device switch...
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