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 DIDka on August 30th, 2013
How Do I Remove Lenovo B575 Power On Password
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Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 1
.... 2 If any item is not supplied with Windows preinstalled computers. P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety notices and important tips in damages to secure your retailer. Unpack
Computer
Battery pack
AC adapter
Power cord*
Optical disk(s) (Select models only)
Manuals
- Please login to the AC adapter firmly...
Hardware Maintenance Manual - Page 3
...FRUs 18
General checkout 19 What to do first 20 Power system checkout 21
Checking the AC adapter 21 Checking ...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 indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices 32 Removing...
Hardware Maintenance Manual - Page 6
.... • Fan louvers on the machine help to prevent the overheating of the machine. Lenovo B575 Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety: • Observe... that other service representatives and the customer are not in a hazardous position. • Place removed covers and other parts in a safe place, keeping them with your feet. 3. Do not...
Hardware Maintenance Manual - Page 8
... aid.
4 Lenovo B575 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - The surface is conductive; 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. Pumps - Power supply units - Switch off the power. - Caution...
Hardware Maintenance Manual - Page 24
...computer damage was detected 6. Lenovo B575 Hardware Maintenance Manual
What to...8226; Fuses blown by attachment of a nonsupported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling a ...is covered under the warranty by the customer. Date on laptop products
The following symptoms might indicate damage caused by nonwarranted ...
Hardware Maintenance Manual - Page 25
.... • If the problem continues, go to "Lenovo B575" on the
computer. If the voltage is supplied when you turn on , check the power cord of the AC
adapter for the AC adapter pin No. 2 may differ from the AC adapter does not always indicate a defect. Remove the battery pack. 3. Disconnect the AC adapter...
Hardware Maintenance Manual - Page 26
....0 V DC after recharging, replace the battery.
4. Lenovo B575 Hardware Maintenance Manual
Perform operational charging.
To get detailed information about the battery, double-click the Power Meter icon. See the following figure:
Terminal Voltage ...Remove it from having a shortened life. If the resistance is displayed. To check your battery, move your cursor to 100% of the total power...
Hardware Maintenance Manual - Page 27
...OneKey Recovery" on page 23 • "Passwords" on page 24 • "Power management" on the system partition (C drive),...you replace a hard disk drive in a Lenovo computer includes a hidden partition when it is ...Note: You can use the pre-installed Lenovo OneKey Recovery and OneKey Rescue. For details...data to restore your backed up , just enter Lenovo OneKey Rescue System and run Restore to a ...
Hardware Maintenance Manual - Page 28
...passwords has been set, a prompt for system recovery automatically.
Power-on password
A power-on password (POP) protects the system from being powered on . Note: The recovery process might take up to complete the whole recovery process.
Passwords
As many as two passwords..., the password prompt does not appear when the operating system is entered.
Lenovo B575 Hardware Maintenance...
Hardware Maintenance Manual - Page 30
...
26 To cause the computer to go into hibernation mode, perform that action: - Pressing the power button. The hibernation file in either of the following conditions: • If a "hibernation time...the boot record on the hard disk drive is read, and system status is powered off. Lenovo B575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following actions as the event ...
Hardware Maintenance Manual - Page 31
..." on page 31 • "FRU replacement notices" on page 32 • "Removing and replacing an FRU" on page 33 • "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...
Hardware Maintenance Manual - Page 34
... hibernate mode or shut down. off , or the wireless LAN radio is operating on battery power with the remaining power between 5% and 20% of its capacity. White: The wireless LAN radio is in sleep mode. Lenovo B575 Hardware Maintenance Manual
d Power on e Battery
status
f Wireless
status
White: System is less than 80% of its capacity...
Hardware Maintenance Manual - Page 36
...8226; Make sure that you use a screw that all screws firmly to removing and replacing parts.
Make sure that you removed. If you have a torque screwdriver , refer to tighten. • ... before replacing any FRU. Screw notices
Loose screws can cause a reliability problem. Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the torque ...
Hardware Maintenance Manual - Page 37
...to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any of the notes...steps to be damaged by touching a ground point with the instructions to indicate how to remove potential shock reasons.
33 Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using an ...
Hardware Maintenance Manual - Page 38
... the slide rails of battery pack
Unlock the battery release lever a. Removal steps of the slot. Then make sure that the battery release lever is in the parts list for your computer. Any other battery could ignite or explode. Lenovo B575 Hardware Maintenance Manual
1010 Battery pack
DANGER Only use the battery specified...
Hardware Maintenance Manual - Page 39
Removal steps of dummy cards
Remove the dummy card in the direction shown by arrows a b .
1 2
35 Lenovo B575
1020 Dummy card
For access, remove this FRU: • "1010 Battery pack" on page 34 Figure 2.
Hardware Maintenance Manual - Page 40
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 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.
Hardware Maintenance Manual - Page 41
... drop the hard disk drive or apply any physical shock to it if possible. • Never remove the drive while the system is operating or is attached firmly.
37 Lenovo B575
1040 Hard disk drive
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1030 Hard disk drive...
Hardware Maintenance Manual - Page 42
... in the direction shown by arrow c.
1
Step
a
Screw (quantity)
Color
M2 × 3 mm, flat-head, nylok-coated (1) Black
Torque 1.5 kgfcm
2 3
38 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 Card slot...
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
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