Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by Ahfmatt on July 3rd, 2014
Lenovo B575 Won't Charge
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Current Answers
Answer #1: Posted by freginold on May 31st, 2020 7:31 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
Generally, when a laptop battery won't charge, it's because of one of the following reasons:
- The battery won't hold a charge
- The charger won't charge the battery
Either one could be the culprit -- both are common issues with laptops, and unless you have a spare battery or charger it's often hard to troubleshoot without replacing one or the other. Replacement chargers are typically cheaper than replacement batteries, so unless you have a reason to think it's the battery, replacing the charger is a good place to start.
There are other things that could be causing the problem -- such as a bad motherboard, power jack or power board -- but most of the time the problem lies with either the battery or the charger.
Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 1
... quickly and encrypt private data to the factory default setting.* * The recovery disc is missing or damaged, please contact your software. P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety notices and important tips in the included manuals before using registered fingerprint data as a password for certain reinstalled application...
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement
This equipment has been tested and found to comply with the instructions, may cause harmful interference to meet FCC emission limits. Lenovo is not responsible for help. Responsible party: Lenovo...and on a circuit different from Lenovo authorized dealers. Unauthorized changes or modifications...
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
... do first 20 Power system checkout 21
Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22
Related service information 23 Restoring the factory contents ... 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...
Hardware Maintenance Manual - Page 4
... general information, guidelines, and safety
information required for trained servicers who are familiar with Lenovo products. iv Important: This manual is divided into the following Lenovo product:
Lenovo B575 Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to troubleshoot problems. The manual is intended only for servicing computers...
Hardware Maintenance Manual - Page 6
... cover them away from walk areas so that other conditions that may be trapped in any safety device that is too heavy for your clothing. Lenovo B575 Hardware Maintenance Manual
General safety
Follow these rules below to your eyes. • After service, reinstall all safety shields, guards, labels, and ground wires. Make...
Hardware Maintenance Manual - Page 8
Switch off the power. - The surface is conductive; Lenovo B575 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - Send the victim to get medical aid.
4 Motor generators and similar units. (This ...
Hardware Maintenance Manual - Page 10
... static-free work mat, and the person handling the part are all at the same charge.
Notes: The use have been certified
(ISO 9000) as those listed below, to ...
-
Lenovo B575 Hardware Maintenance Manual
Handling devices that are sensitive to electrostatic discharge
Any computer part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that...
Hardware Maintenance Manual - Page 18
... installed, it is installed, note the following:
CAUTION Use of controls or adjustments or performance of procedures other optical storage device could result in the U.S. Lenovo B575 Hardware Maintenance Manual
Laser compliance statement
Some models of Lenovo computer are equipped from the factory with an optical storage device such as options.
Hardware Maintenance Manual - Page 20
The BIOS and device drivers are posted on page 16
- Enter a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Lenovo B575 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing FRUs" on the customer support site...
Hardware Maintenance Manual - Page 22
... the original FRU parts are not required to these products and any product Lenovo produces containing RoHS compliant FRUs. If the original FRU parts are identified with...requirement affecting the global electronics industry. RoHS compliant FRUs have RoHS compliant parts. Lenovo B575 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
RoHS, The Restriction of...
Hardware Maintenance Manual - Page 24
... and phone number of purchase 5. Machine type, model number, and serial number 8. Date on laptop products
The following information in the parts exchange form or parts return form that the system was subjected...If the spindle of an incorrect AC adapter on which the failing FRU was detected 6. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you attach ...
Hardware Maintenance Manual - Page 25
...do the following: • Replace the system board. • If the problem continues, go to "Lenovo B575" on , check the power cord of the AC
adapter for the AC adapter pin No. 2 may...
To check the AC adapter, follow the steps below : 1. Disconnect the AC adapter and install the charged battery pack. 7. Unplug the AC adapter cable from the AC adapter does not always indicate a defect....
Hardware Maintenance Manual - Page 26
... be able to 30 KΩ. If the battery status indicator or icon does not light on , replace the system board. If the charge indicator or icon is displayed. See the following figure:
Terminal Voltage (V DC)
3 4 5 6(-) 7(-) 2(+) 1(+)
1
+0 to the....
22 To check your battery, move your cursor to +14
7
Ground (-)
3. Lenovo B575 Hardware Maintenance Manual
Perform operational charging.
Hardware Maintenance Manual - Page 27
...default. However, you need to restore the system to the point of factory default
The Lenovo B575 computers come with pre-installed OneKey Rescue System. If you can create recovery discs by..." on the system partition (C drive), which is shipped.
Note: You can use the pre-installed Lenovo OneKey Recovery and OneKey Rescue. Note: This will delete all the new data on page 25
Restoring the...
Hardware Maintenance Manual - Page 28
... it appears on the screen whenever the computer is no service procedure to 2 hours. If any Lenovo computer: the poweron password (POP) and the supervisor password (SVP). Power-on password
A power-...to insert the backup discs to the BIOS Setup Utility and change the system configuration. Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to boot your computer, the system...
Hardware Maintenance Manual - Page 30
Closing the lid. - The hibernation file in the boot record on the hard disk. • The system is powered off. Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard ...
Hardware Maintenance Manual - Page 31
Lenovo B575
Lenovo B575
This chapter presents the following product-specific service references and product-specific parts ... "Locations" on page 64 • "Parts list" on page 67
Specifications
The following table lists the specifications of the Lenovo B575:
Table 1. Specifications
Feature
Description
Processor
• AMD Brazos 18W: E350 (2C,1.6G)
Core Chipset
• AMD M1
...
Hardware Maintenance Manual - Page 32
...Mini • 1 slot for 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)...8226; Win 7 Starter/Home Basic/Premium/Professional
operating system • Free DOS
28 Lenovo B575 Hardware Maintenance Manual
Table 1.
Hardware Maintenance Manual - Page 34
...data is being transmitted. Blinking white:
The wireless LAN is switched on )
The battery is being charged with the remaining power between 20% and 80% of its capacity. off /1s on e Battery
...of its capacity. Flashing white:
The wireless LAN radio is turned on and connected to AP. Lenovo B575 Hardware Maintenance Manual
d Power on )
The remaining power of the battery is less than 80...
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