Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by j16sashah on May 16th, 2014
B575 Cant Find Wireless
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Current Answers
Answer #1: Posted by TechSupport101 on May 16th, 2014 11:39 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Hi. Do acertain that the Mini PCI wireless card is installed; that the it driver is equally installed - above all, the User Manual here should be able to assist you exactly on how to go about activating and connecting via Wifi.
Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 2
... the light source and is only for reference.
External devices connection
Ethernet
1
B575
2
3
Notes: • The above connection illustration is mercury-free and more energy-saving than CCFL backlight technology. Function of all external devices is installed.
3 Integrated wireless device switch (Select models only)
Use this switch to the actual product.
Please...
Lenovo B575 User Guide V1.0 - Page 5
...Please refer to leave pens or any other objects in antennas ensure optimal reception of wireless radio. c Computer display
The LCD display provides brilliant visual output.
1
When ...differ from the actual product. b Wireless module antennas (Select
models only)
The built-in between the display panel and the keyboard. Getting to know your computer
Top view
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B575
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Lenovo B575 User Guide V1.0 - Page 20
Chapter 2. Learning the basics
System status indicators
These indicators inform you of the computer status.
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B575
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a Caps lock indicator b Num lock indicator c Hard disk drive indicator d Power status indicator e Battery status indicator f Wireless communication indicator
16
Lenovo B575 User Guide V1.0 - Page 22
Chapter 3. Wireless network technology: connect without wiring. Wired connection
Wired connections are for details on how to the Internet. Actual connection method may vary.
&#...and small businesses over ordinary
telephone lines.
„ Hardware connection
Cable
DSL
TV cable
Telephone line
Splitter * Cable modem *
*
Splitter *
*
DSL modem *
B575
*
B575
*
* Not supplied.
Lenovo B575 User Guide V1.0 - Page 23
... and other devices over a large geographic area. Hardware connection
Access point *
B575
Wi-Fi/WiMAX network * Not supplied
Software configuration Consult your Internet Service Provider (ISP) and search Windows Help and Support Center for details on the following :
1 Slide the integrated wireless device switch from to . 2 Press Fn + F5 to make configuration...
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 32...Hard 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
... maintenance by the improper insertion of a PC Card or the installation of servicer 2. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you must include...keys caused by spilling a liquid onto the keyboard • Use of an incorrect AC adapter on laptop products
The following are not covered under warranty: • LCD panel cracked from the application of ...
Hardware Maintenance Manual - Page 32
... 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 Keyboard
Touch pad
• Two ... 7 Starter/Home Basic/Premium/Professional
operating system • Free DOS
28 Lenovo B575 Hardware Maintenance Manual
Table 1.
Hardware Maintenance Manual - Page 34
... power with the remaining power between 5% and 20% of its capacity. Off: The wireless LAN is turned on and the radio of its capacity. Blinking amber: (500ms off/1s...white:
The wireless LAN is enabled. White: The wireless LAN radio is turned on e Battery
status
f Wireless
status
White: System is switched on and not connected to AP. off .
30 Lenovo B575 Hardware Maintenance Manual...
Hardware Maintenance Manual - Page 35
...off the backlight of Fn with a function key. Fn + F4:
Open the interface for integrated wireless devices settings (on/off the integrated camera. Fn + F10:
Stop playback of Windows Media Player...Pause playback of Windows Media Player. Fn + / :
Increase/Decrease sound volume.
31 Lenovo B575
Fn key combinations
The following table shows the function of each combination of the LCD screen. Fn...
Hardware Maintenance Manual - Page 44
...; "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. Step
b
Screw (quantity)
Color
M2 × 3 mm, flat-head...
Hardware Maintenance Manual - Page 45
... in the direction shown by arrow c .
3
When installing: • In models with a wireless LAN card that has two antenna connectors, plug
the black cable (1st) (MAIN) into the jack... 1, and the 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 labeled 1, the grey ...
Hardware Maintenance Manual - Page 53
... If you put a system board down, make sure to put it only on page 45
49 Lenovo B575
1100 System board
Important notices for handling the system board: When handling the system board, bear the following ...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 a ...
Hardware Maintenance Manual - Page 55
... the system board in the direction shown by arrow d.
4
b
a
a
When installing: When attaching the system board to the base cover, adjust the placement of the wireless radio switch as shown in . Improper placement of the audio jack and the microphone jack are attached to the holes on the base cover as...
Hardware Maintenance Manual - Page 56
... 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..."1100 System board" on page 49
Figure 11. Route the LCD cable along the cable guides. Lenovo B575 Hardware Maintenance Manual
1110 LCD unit
For access, remove these FRUs in the direction shown by the cable ...
Hardware Maintenance Manual - Page 58
...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" on page 49 Figure 12. Lenovo B575 Hardware Maintenance Manual
1120 Fan assembly and Heat Sink assembly
For access, remove these FRUs in the direction ...
Hardware Maintenance Manual - Page 60
...
Remove four screws a, and then remove the speakers in the direction shown by arrow c.
3
56 Lenovo B575 Hardware Maintenance Manual
1130 Base cover, speakers and bluetooth card
For access, remove these FRUs in the direction ...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 ...
Hardware Maintenance Manual - Page 62
...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 ... on page 49 • "1110 LCD unit" on page 52
Figure 15. Lenovo B575 Hardware Maintenance Manual
1140 LCD front bezel
For access, remove these FRUs in the direction shown by arrows b.
2 2
2 2
...
Hardware Maintenance Manual - Page 63
... Step
a
Screw (quantity)
Color
M2.5 × 4 mm, flat-head, nylokcoated (6) White
Torque 2.5 kgfcm
59 Lenovo B575
1150 LCD panel, LCD cable and hinges
For access, remove these FRUs in the direction shown by arrows c.
1 1 ...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 ...
Hardware Maintenance Manual - Page 66
...sure the connector is stuck on page 59 Figure 17. Removal steps of the LCD cover. Lenovo B575 Hardware Maintenance Manual
1160 Integrated camera
For access, remove these FRUs in order: • "1010 Battery... 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...
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