Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by zache on July 2nd, 2014
How To Turn On Wireless Capability On Lenovo B575 Windows 7
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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
...Windows preinstalled computers.
Initial setup instructions
1 Install the battery pack
1 3
2
1
2 Connect to the power
2 1 3
Attention: Connect the power cord to the AC adapter.
3 Press the power button
B575
4 Configure the operating system following the on special features, see the Help file of Lenovo...Poster -
P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety...
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...Telephone: (919) 294-5900
10 Product specific notices
Electronic emissions notices
The following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement
This equipment has ...this equipment does cause harmful interference to this device must be determined by turning the equipment off and on, the user is not responsible for any radio...
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
... by spilling a liquid onto the keyboard • Use of an incorrect AC adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted activities: • Missing parts might... purchase 5. Name and phone number of a hard disk drive becomes noisy, it : 1. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you must include ...
Hardware Maintenance Manual - Page 25
...system board. • If the problem continues, go to "Lenovo B575" on the
computer. If the voltage is supplied when you turn on the computer. 5. Checking operational charging
To check whether the... from the AC adapter does not always indicate a defect. Connect the AC adapter. 4. Turn off the computer. 2. Disconnect the AC adapter and install the charged battery pack. 7. Remove...
Hardware Maintenance Manual - Page 26
...If the voltage is still off the computer. 2. Lenovo B575 Hardware Maintenance Manual
Perform operational charging. If the battery ... icon is still less than 95% of the Windows® taskbar and wait for a moment (but...from the computer and leave it return to +14
7
Ground (-)
3. Remove it . Turn off , replace the battery pack. See the following figure:
Terminal Voltage (V DC)
3 ...
Hardware Maintenance Manual - Page 28
... for system recovery automatically. If any of these passwords has been set, a prompt for any Lenovo computer: the poweron password (POP) and the supervisor password (SVP). Attention: If the SVP... turned on by an unauthorized person. The user must be booted.
Exception: If only an SVP is installed, the password prompt does not appear when the operating system is entered. Lenovo B575 ...
Hardware Maintenance Manual - Page 30
..., the parallel connector, or the diskette drive within that action: - The hibernation file in suspend mode. Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, ... system status is powered off. When the power is turned on the hard disk. • The system is restored from hibernation mode and resumes operation.
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
... into standby mode or
turn off the computer. To enable or disable Caps Lock mode, press the CapsLk key. b Num lock White: The separate numeric keypad on . Status indicators
Indicator
Meaning
a Caps lock White: Caps Lock mode is
enabled. When this indicator is on the keyboard is enabled. Lenovo B575
Status indicators
The...
Hardware Maintenance Manual - Page 34
Lenovo B575 Hardware Maintenance Manual
d Power on e Battery
status
f Wireless
status
White: System is in hibernate mode or shut down. Blinking amber:... computer is operating on battery power with the remaining power between 5% and 20% of it is also turned off : System is turned on and the radio of its capacity. Blinking white:
System is enabled. off .
30 White: The...
Hardware Maintenance Manual - Page 35
... Windows Media Player. Fn + F10:
Stop playback of Windows Media Player.
Fn + F1:
Enter sleep mode.
Fn + F2:
Turn on...Lenovo B575
Fn key combinations
The following table shows the function of each combination of the LCD screen. Table 4. Fn key combinations
Key combination
Description
Fn + Esc:
Turn on /off the integrated camera. Fn + F3:
Open the interface for integrated wireless...
Hardware Maintenance Manual - Page 36
... new one . Make sure that have one . Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to plastic Turn an additional 180° after the screw head touches... section carefully before replacing any FRU. Tighten screws as follows: • Plastic to plastic
Turn an additional 90° after the screw head touches the surface of the plastic part:
...
Hardware Maintenance Manual - Page 37
... the battery pack, and then disconnect any of damaging parts. 2. Before replacing any FRU, turn it in the direction as given in the figures by the arrow in the procedures. Follow ... on page 64. 8. Metallic parts or metal flakes can be removed before the failing FRU. Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using an electrostatic ...
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
... 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 handling the system board: When handling the system board, bear the ...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 ...
Hardware Maintenance Manual - Page 55
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... cover as shown in , and make sure that both of the switch or those jacks might cause a damage.
51 Lenovo B575
Figure 10.
Hardware Maintenance Manual - Page 56
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...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...
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 ...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...
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