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 sdhph8 on June 6th, 2014
Black Screen When Logging In On Lenovo B575
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Related Lenovo B575 Manual Pages
Lenovo B575 Setup Poster V1.0 - Page 1
... of Windows preinstalled computers should create a system recovery disc via Lenovo "OneKey Rescue system" as soon as possible. P/N:148500091 Printed in China
Lenovo B575
Setup Poster V1.0
Read the safety notices and important tips in...software in damages to secure your computer.
* For more details on -screen instructions Lenovo, Lenovo logo and OneKey are not supplied with the computer.
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...receiver. • Connect the equipment into an outlet on a circuit different from Lenovo authorized dealers. Building One Morrisville, NC 27560 U.S.A. Product specific notices
Electronic emissions notices... any interference received, including interference that to the following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement...
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
... of factory default 23 Using 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 indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices 32 Removing and replacing...
Hardware Maintenance Manual - Page 4
... product-specific section includes service, reference, and product-specific
parts information.
iv About this manual
This manual contains service and reference information for the following Lenovo product:
Lenovo B575 Use this manual to troubleshoot problems effectively. Use this manual to read all the information under "Safety information" on page 1 and "Important service information...
Hardware Maintenance Manual - Page 10
... have been certified
(ISO 9000) as those listed below, to any frame ground, ground braid, or greenwire ground.
-
Lenovo B575 Hardware Maintenance Manual
Handling devices that are wearing a wrist strap. • Use the black side of a grounded work mat to provide a static-free work mat, and the person handling the part are inserted...
Hardware Maintenance Manual - Page 20
...17 • "Important information about replacing RoHS compliant FRUs" on the screen and install the necessary software.
16 Follow the directions on page 18 ...steps below: 1. Go to the system board before replacing any FRUs listed in this manual. Lenovo B575 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: •...
Hardware Maintenance Manual - Page 24
...'s name and address
Note for repair costs if the computer damage was detected 6. Date on laptop products
The following symptoms might indicate damage caused by the customer. Machine type, model number, ...PC Card or the installation of
an incompatible card • Improper disk insertion or use . Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you must include...
Hardware Maintenance Manual - Page 28
Lenovo B575 Hardware Maintenance Manual
When you use the recovery discs to complete the whole recovery process. Supervisor password
A ...the operating system is entered.
Attention: If the SVP has been forgotten and cannot be replaced for it appears on the screen whenever the computer is no service procedure to 2 hours. The system board must be entered before an operating system can ...
Hardware Maintenance Manual - Page 35
... key combinations
Key combination
Description
Fn + Esc:
Turn on /off).
Fn + / :
Increase/Decrease sound volume.
31 Fn + F5:
Open the interface for display resolution settings. Lenovo B575
Fn key combinations
The following table shows the function of each combination of the LCD...
Hardware Maintenance Manual - Page 42
Lenovo B575 Hardware Maintenance Manual
1050 Optical drive
For access, remove this FRU: • "1010 Battery pack" on ...drive out 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 Removal steps of optical drive
Remove the screw a, insert a screwdriver into the screw hole and push the optical drive...
Hardware Maintenance Manual - Page 44
... card has 2 cables in step a. wireless LAN card in some models may have 3 cables in step a. 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. Removal steps of PCI Express Mini Card for wireless LAN...
Hardware Maintenance Manual - Page 45
Lenovo B575
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)
Remove the card in the direction shown by arrow c .
3
When installing: • In models with a wireless LAN card that has two antenna connectors, plug
the black...In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (...
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 49
Lenovo B575
1090 Keyboard bezel
For access, remove these FRUs in order: • "1010 Battery ... on the bottom.
2 1
1
2 2
1
1 1
1 1
1 1
1
Step
a
b
Screw (quantity)
Color
M2.5 × 8 mm, flat-head, nylok-coated (10)
Black
M2 × 2.5 mm, flat-head, nylok-coated (3) White
Torque 2.5 kgfcm
1.5 kgfcm
45 Removal steps of keyboard bezel
Remove ten screws a and three screws b on page...
Hardware Maintenance Manual - Page 50
Removal steps of keyboard bezel (continued)
Remove the screw c.
3
Step
c
Screw (quantity)
Color
M2 × 6 mm, flat-head, nylok-coated (1) Black
Torque 2.5 kgfcm
46 Lenovo B575 Hardware Maintenance Manual
Figure 9.
Hardware Maintenance Manual - Page 52
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 Lenovo B575 Hardware Maintenance Manual
Figure 9.
Hardware Maintenance Manual - Page 54
... screws a. Step Screw (quantity)
a M2 × 6 mm, flat-head, nylok-coated (4)
Color Torque Black 2.5 kgfcm
50 Unplug the LCD connector in the direction shown by arrow b, and four connectors in the direction shown by arrow c.
3
2
1 3
1
3 1
1
When installing: Make sure that all the connectors are attached firmly. Lenovo B575 Hardware Maintenance Manual
Figure 10.
Hardware Maintenance Manual - Page 60
...
1 1
2
1 1
2
Step Screw (quantity)
a M2 × 3.5 mm, flat-head, nylok-coated (4)
Color Black
Torque 2.5 kgfcm
Remove the bluetooth card in order: • "1010 Battery pack" on page 34 • "1020 Dummy card...on page 49 • "1110 LCD unit" on page 52
Figure 14. Lenovo B575 Hardware Maintenance Manual
1130 Base cover, speakers and bluetooth card
For access, remove these FRUs in the direction...
Hardware Maintenance Manual - Page 64
Lenovo B575 Hardware Maintenance Manual
Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)
Remove four screws d and remove the hinges in the direction shown by arrow e.
4 5 4
4 5 4
Step
d
Screw (quantity) M2 × 2.5, flat-head, nylokcoated (4)
Color Black
Torque 1.5 kgfcm
60
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