Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by dicphi on November 24th, 2013
Lenovo B575 Wont Power
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Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 1
...included manuals before using registered fingerprint data as possible. P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety notices and important tips in the APP...
1 3
2
1
2 Connect to the power
2 1 3
Attention: Connect the power cord to Lenovo Idea product support site http://support.lenovo.com for preinstalled application software are either registered trademarks...
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...Morrisville, NC 27560 U.S.A. Product specific notices
Electronic emissions notices
The following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement
This equipment... be determined by turning the equipment off and on a circuit different from Lenovo authorized dealers. This equipment generates, uses, and can be used in order...
Lenovo B575 User Guide V1.0 - Page 1
Lenovo B575
User Guide V1.0
Read the safety notices and important tips in the included manuals before using your computer.
Hardware Maintenance Manual - Page 3
... about replacing RoHS compliant FRUs 18
General checkout 19 What to do first 20 Power system checkout 21
Checking the AC adapter 21 Checking operational charging 21 Checking the ...recovery discs 23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26
Lenovo B575 27 Specifications 27 Status ...
Hardware Maintenance Manual - Page 4
..., make sure to troubleshoot problems effectively. About this manual
This manual contains service and reference information for the following Lenovo product:
Lenovo B575 Use this manual to read all the information under "Safety information" on page 1 and "Important service information" on page 16.
iv Important: This manual is ...
Hardware Maintenance Manual - Page 8
.... Send the victim to get medical aid.
4 Power supply units - Pumps - Blowers and fans - Motor generators and similar units. (This practice ensures correct grounding of these hazards are removed from their normal operating places in your work area. Caution: do not become a victim yourself. - Lenovo B575 Hardware Maintenance Manual
• Always look carefully...
Hardware Maintenance Manual - Page 24
... caused by spilling a liquid onto the keyboard • Use of service 3. Date of servicer 2. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you attach to it may...beyond normal use of an optical drive • Diskette drive damage caused by pressure on laptop products
The following symptoms might indicate damage caused by the improper insertion of a PC ...
Hardware Maintenance Manual - Page 25
...the AC adapter, follow the steps below : 1. If the voltage is used. • If the power-on indicator does not turn on page 27. Turn off the computer. 6. Remove the battery pack....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...
Hardware Maintenance Manual - Page 26
...KΩ.
Remove it may not be able to be 4 to 100% of the total power remains; Remove the battery pack and measure the voltage between battery terminals 5 and 7. If... If the charge indicator still does not light on , remove the battery pack and let it .
Lenovo B575 Hardware Maintenance Manual
Perform operational charging. To check the battery pack, follow the steps below: 1. If ...
Hardware Maintenance Manual - Page 27
... You can use the pre-installed Lenovo OneKey Recovery and OneKey Rescue. Using recovery discs
When you can create recovery discs by using OneKey Recovery" on page 23 • "Passwords" on page 24 • "Power management" on the system partition (C ...for OneKey Rescue System. In order to the point of factory default
The Lenovo B575 computers come with pre-installed OneKey Rescue System.
Hardware Maintenance Manual - Page 28
... password (SVP).
The password must be made available to the servicer, there is turned on by an unauthorized person. Power-on password
A power-on password (POP) protects the system from being powered on . Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to the BIOS Setup Utility and change the system configuration. Note...
Hardware Maintenance Manual - Page 30
...are stored on , the computer returns from the hard disk drive.
26 Pressing the power button. The hibernation file in suspend mode. Also, the computer goes into hibernation mode...within that action: - When the power is turned on the hard disk. • The system is restored from hibernation mode and resumes operation. Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In ...
Hardware Maintenance Manual - Page 34
... of its capacity. off , or the wireless LAN radio is being charged with the remaining power between 5% and 20% of it is also turned off : System is turned on and ... on battery power with the remaining power between 20% and 80% of its capacity. Flashing white:
The wireless LAN radio is turned on and data is enabled. Lenovo B575 Hardware Maintenance Manual
d Power on e Battery...
Hardware Maintenance Manual - Page 37
...put the new FRU in place and none are listed at the top of damaging parts. 2.
Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using an electrostatic ... the correct sequence in the figures by removing any FRUs that have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any of the notes...
Hardware Maintenance Manual - Page 52
Lenovo B575 Hardware Maintenance Manual
Figure 9. Removal steps of keyboard bezel (continued)
Remove the keyboard bezel in the direction shown by arrow g.
7
Remove the screw h, and then remove the power board i.
8 9
Step
h
Screw (quantity)
Color
M2 × 3.5 mm, flat-head, nylok-coated (1) Black
Torque 2.5 kgfcm
48
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 ...
Hardware Maintenance Manual - Page 71
Lenovo B575 Parts list
This section presents the following service parts: • "Overall" on page 68 • "LCD FRUs" on page 72 • "Keyboard" on page 74 • "Miscellaneous parts" on page 76 • "AC adapters" on page 77 • "Power cords" on page 78
Notes: • Each FRU is available for all types or models, unless specific types or
models are specified.
67
Hardware Maintenance Manual - Page 73
... (see "LCD FRUs" on page 72.)
2 Keyboard (see "Keyboard" on page 74.)
3 LB57 UPPER CASE ASSY W/TP&MIC
31048999 N
4 LB575 POWER BOARD
31050449 N
5 LB57 LED BOARD W/CABLE
31048995 N
6 LB575 FINGER PRINT BOARD
31050448 N
7 LB575 MB UMA W/BT
11013664 N
7 LB575 MB DIS... **
13 DDRIII 1333 1GB, M471B5773CHS-CH9(Rev C /2Gb/ 46nm)
11012630 **
69 Parts list-Overall
No. Lenovo B575
Table 5.
Hardware Maintenance Manual - Page 80
Lenovo B575 Hardware Maintenance Manual
Miscellaneous parts
Table 8. P/N
31048993 31048979 31048980 31048996
31048984... (b) LA57 HDD BRACKET ASSY • (c) LA57 ODD BRACKET • (d) LB57 TOUCHPD BRACKET Cable miscellaneous parts: • (e) LA57 POWER BOARD CABLE • (f) LA57 TOUCHPAD CABLE • (g) LA57 FINGER PRINT BOARD CABLE • (h) LA57 BLUTOOTH CABLE
Note: Italicized ...
Hardware Maintenance Manual - Page 86
...guarantee that these measurements will be the trademarks or service marks of others.
82 Lenovo B575 Hardware Maintenance Manual
Any performance data contained herein was determined in the United States,...of Lenovo in the United States and/or other countries:
Lenovo® Lenovo logo® IdeaPad® VeriFace® OneKey Rescue® (OneKey Recovery, OneKey Antivirus) APS® Power Express...
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