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Lenovo B575 Hardware Maintenance Manual

Lenovo B575
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Related service information
23
This chapter presents the following information:
“Restoring the factory contents by using OneKey Recovery” on page 23
“Passwords” on page 24
“Power management” on page 25
Restore of factory default
The Lenovo B575 computers come with pre-installed OneKey Rescue System. In
order to save application files and the initial backed up files of the system, the
hard disk in a Lenovo computer includes a hidden partition when it is shipped.
If you need to restore the system to the point of your first boot up, just enter
Lenovo OneKey Rescue System and run Restore to factory default. For details
of OneKey Rescue System, see the User Guide for OneKey Rescue System.
Using recovery discs
When you replace a hard disk drive in your computer, you are unable to use the
pre-installed Lenovo OneKey Recovery and OneKey Rescue. However, you can
use the recovery discs that store your backed up data to restore your new hard
drive to a previous backup status.
Related service information
Restoring the factory contents by using OneKey Recovery
Note: This will delete all the new data on the system partition (C drive),
which is not recoverable. Make sure to back up your critical data before you
perform this action.
Note: You can create recovery discs by burning the backup image to a CD/
DVD as recovery discs. For details of Create recovery discs, see the User
Guide for OneKey Rescue System.

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Lenovo B575 Specifications

General IconGeneral
Processor cache1 MB
Processor cores2
Processor modelE2-2000
Processor familyAMD E
Processor frequency1.75 GHz
Processor cache typeL2
Processor manufacturerAMD
Motherboard chipset-
Internal memory4 GB
Internal memory typeDDR3-SDRAM
Maximum internal memory8 GB
Storage mediaHDD
Optical drive typeDVD Super Multi
Card reader integratedYes
Total storage capacity500 GB
Compatible memory cardsMemory Stick (MS), MMC, MS PRO, SD, SDHC, xD
Number of HDDs installed1
Number of SSDs installed0
HD typeNot supported
Display surfaceGloss
Display diagonal15.6 \
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Discrete graphics card modelNot available
On-board graphics card modelAMD Radeon HD 7340
On-board graphics card familyAMD Radeon HD 7000
Front camera resolution (numeric)0.3 MP
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.0
Ethernet LAN data rates10, 100, 1000 Mbit/s
Charging port typeDC-in jack
Headphone connectivity3.5 mm
USB 2.0 ports quantity4
Keyboard layoutQWERTY
Operating system installedFreeDOS
Form factorClamshell
Product typeLaptop
Product colorBlack
Battery life (max)3 h
Number of battery cells6
Weight and Dimensions IconWeight and Dimensions
Depth252 mm
Width378 mm
Height33.1 mm
Weight2350 g

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