Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by ctoRa on October 16th, 2013
How To Reset My Lenovo B575 Back To Factory Setting Manually
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Related Lenovo B575 Manual Pages
Hardware Maintenance Manual - Page 4
... make sure to troubleshoot problems effectively. Use this manual to troubleshoot problems. The manual is intended only for servicing computers. • The product-specific section includes service, reference, and product-specific
parts information. Important: This manual is divided into the following Lenovo product:
Lenovo B575 Use this manual to read all the information under "Safety...
Hardware Maintenance Manual - Page 6
...; Reinstall all safety shields, guards, labels, and ground wires. Lift it . 4. Replace any safety device that can stand safely without slipping. 2. Use a slow lifting force. Lenovo B575 Hardware Maintenance Manual
General safety
Follow these rules below to your clothing.
Hardware Maintenance Manual - Page 8
... yourself. - Switch off the power. - Send the victim to get medical aid.
4 Power supply units - Examples of the units.)
• If an electrical accident occurs: - Lenovo B575 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: -
Hardware Maintenance Manual - Page 10
... battery-operated system, use an ESD common ground or reference point. When handling ESD-sensitive parts: • Keep the parts in charge between objects. 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...
Hardware Maintenance Manual - Page 18
Lenovo B575 Hardware Maintenance Manual
Laser compliance statement
Some models of the International Electrotechnical Commission (IEC) 825 ...Services 21 Code of procedures other optical storage device could result in exposure to the requirements of Lenovo computer are equipped from the factory with an optical storage device such as options. Werden Steuer- L'utilizzo di controlli, regolazioni ...
Hardware Maintenance Manual - Page 20
... the BIOS/Driver/Applications and download. 4. Follow the directions on the customer support site: http://consumersupport.lenovo.com/. Enter a serial number or select a product or use Lenovo smart downloading. 3.
Lenovo B575 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing...
Hardware Maintenance Manual - Page 22
... placed on the market before June 2006 are RoHS compliant, the replacement part must also be non-compliant. Lenovo B575 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is automatically shipped ...
Hardware Maintenance Manual - Page 24
..., modification, unsuitable physical or operating environment, or improper maintenance by the customer. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you must include the...normal use of an optical drive • Diskette drive damage caused by pressure on laptop products
The following symptoms might indicate damage caused by referring to the following list:
The...
Hardware Maintenance Manual - Page 26
... not light on, remove the battery pack and let it at least 3 hours, even though the indicator does not light on , replace the system board. Lenovo B575 Hardware Maintenance Manual
Perform operational charging. If the voltage is correct, replace the system board.
22 Reinstall the battery pack.
Hardware Maintenance Manual - Page 28
Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to complete the whole recovery process. If any Lenovo computer: the poweron password (POP) and the supervisor password (SVP...in the BIOS Setup Utility.
The user must be needed for any of these passwords has been set, a prompt for a scheduled fee.
24
The computer does not start until the password is booted. Note...
Hardware Maintenance Manual - Page 30
... system and have defined one of the following conditions: • If a "hibernation time" has been set on the hard disk. • The system is restored from hibernation mode and resumes operation. Closing the lid. - Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following actions as the event that causes the system...
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
.... off /1s on)
The remaining power of the battery is operating on battery power with the remaining power between 5% and 20% of its capacity. Lenovo B575 Hardware Maintenance Manual
d Power on e Battery
status
f Wireless
status
White: System is operating on battery power with the remaining power between 20% and 80% of its capacity...
Hardware Maintenance Manual - Page 36
... should be used only once. Do the following when you service this machine: • Keep the screw kit in the table. If you removed.
Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to tighten. • Each one . Read this problem is addressed with special nylon-coated screws that...
Hardware Maintenance Manual - Page 38
... is in the direction shown by arrow c.
$ &
%
When installing: Install the battery pack along the slide rails of battery pack
Unlock the battery release lever a. Lenovo B575 Hardware Maintenance Manual
1010 Battery pack
DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.
Hardware Maintenance Manual - Page 40
Lenovo B575 Hardware Maintenance Manual
1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover
For access, remove this FRU: • "1010 Battery pack" on page 34 Figure 3. Removal steps of HDD/Memory/Mini PCI Express Card slot compartment cover
Loosen five screws a , then remove the compartment cover b .
1 1
1 2 1 1
36
Hardware Maintenance Manual - Page 42
Lenovo B575 Hardware Maintenance Manual
1050 Optical drive
For access, remove this FRU: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express ...
Hardware Maintenance Manual - Page 44
... PCI Express Card slot
compartment cover" on page 36 Figure 7. Notes: wireless LAN card has 2 cables in step a.
In step a, unplug the jacks 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.
Hardware Maintenance Manual - Page 46
Removal steps of keyboard
Remove three screws a.
1
1 1
Step
a
Screw (quantity)
Color
M2.5 × 8 mm, flat-head, nylok-coated (3) Black
Torque 2.5 kgfcm
42 Lenovo B575 Hardware Maintenance Manual
1080 Keyboard
For access, remove this FRU: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36
Figure 8.
Hardware Maintenance Manual - Page 48
Lenovo B575 Hardware Maintenance Manual
Figure 8. Removal steps of keyboard (continued)
Lift the keyboard a little c, and then detach the connector in the direction shown by arrows d e.
3
4 5
When installing: Make sure that the FPC connector is attached firmly.
44
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