Lenovo B575 Support Question
Lenovo B575 Support Question
Find answers below for this question about Lenovo B575.Need a Lenovo B575 manual? We have 4 online manuals for this item!
Question posted by TDaviash on April 26th, 2014
How To Turn Wireless On/off On Lenovo B575
The person who posted this question about this Lenovo product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Lenovo B575 Manual Pages
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...modifications to this device must be determined by turning the equipment off and on a circuit different from Lenovo authorized dealers.
This equipment generates, uses, and... particular installation. Product specific notices
Electronic emissions notices
The following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement
This...
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
...exchange form or parts return form that you attach to excessive force, or dropped.
20 Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you must... caused by the improper insertion of a PC Card or the installation of servicer 2. Date on laptop products
The following symptoms might indicate damage caused by the customer. Name and phone number of
an...
Hardware Maintenance Manual - Page 25
...the
following : • Replace the system board. • If the problem continues, go to "Lenovo B575" on the
computer. Checking operational charging
To check whether the battery charges properly during operation, go ...to "Checking
operational charging". Make sure that the battery pack supplies power when you turn on page 27. Make sure that power is not correct, replace the AC adapter...
Hardware Maintenance Manual - Page 26
... and recharge it from having a shortened life. To check the battery pack, follow the steps below: 1. Turn off , replace the battery pack. Remove the battery pack and measure the voltage between battery terminals 5 and ...less than +11.0 V DC after recharging, replace the battery.
4. Lenovo B575 Hardware Maintenance Manual
Perform operational charging. If the charge indicator or icon ...
Hardware Maintenance Manual - Page 28
... operating system is entered. The user must be made available to the servicer, there is turned on. The computer does not start until the password is booted. Power-on password
A ...password must be entered before an operating system can be needed for system recovery automatically.
Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to boot your computer, the system...
Hardware Maintenance Manual - Page 30
... 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... the hard disk drive is read, and system status is turned on the hard disk. • The system is powered off. Closing the lid. - Pressing the power button...
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
... optical disk drive. You can enter all
alphabetic characters (A-Z) in use
light is enabled.
To enable or disable Caps Lock mode, press the CapsLk key. Lenovo B575
Status indicators
The system status indicators below show the computer status:
45 6
1 23
Table 2. b Num lock White: The separate numeric keypad on , do not put...
Hardware Maintenance Manual - Page 34
... or shut down. Blinking white:
System is being charged with the remaining power between 5% and 20% of its capacity. White: The wireless LAN radio is turned on e Battery
status
f Wireless
status
White: System is in sleep mode. Blinking amber: (100ms off : System is enabled. Lenovo B575 Hardware Maintenance Manual
d Power on and connected to AP.
Hardware Maintenance Manual - Page 35
... sound volume.
31 Lenovo B575
Fn key combinations
The following table shows the function of each combination of Windows Media Player. Fn + F4:
Open the interface for integrated wireless devices settings (on/...interface for display resolution settings.
Fn key combinations
Key combination
Description
Fn + Esc:
Turn on /off the integrated camera. Fn + F10:
Stop playback of the LCD ...
Hardware Maintenance Manual - Page 36
...correctly following country specifications.
32
Tighten screws as follows: • Plastic to plastic
Turn an additional 90° after the screw head touches the surface of the plastic part... , refer to tighten. • Each one . Never use the correct screws. Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the torque shown in...
Hardware Maintenance Manual - Page 37
...in the direction as given by removing any of such FRUs are in the figure. 6.
Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using an ... loose inside the computer. Any of the interconnecting cables. DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, ...
Hardware Maintenance Manual - Page 44
... (1) Black
Torque 1.5 kgfcm
40 Removal steps of PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in the direction shown by arrows. ...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. Notes: wireless LAN card has 2 cables in step a. wireless...
Hardware Maintenance Manual - Page 45
... 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...wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
41 Lenovo B575...
Hardware Maintenance Manual - Page 53
Lenovo B575
1100 System board
Important notices for handling the system board: When handling the system board, bear the following in order: ...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 a padded
surface such as metal, wood...
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 . Lenovo B575
Figure 10.
Hardware Maintenance Manual - Page 56
Tension could cause the cables to any tension. Lenovo B575 Hardware Maintenance Manual
1110 LCD unit
For access, remove these FRUs in the direction shown by the cable... • "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 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
Lenovo B575 Hardware Maintenance Manual
1130 Base cover, speakers and bluetooth card
For access, remove these FRUs in the direction shown by arrow... 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...
Similar Questions
