Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by martifix on January 3rd, 2014
Replace Keyboard On Lenovo B575 1450, How To
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Related Lenovo B575 Manual Pages
Lenovo B575 Limited Warranty and Product Specific Notices V1.0 - Page 10
...guarantee the interference will not occur in a residential installation. Responsible party: Lenovo (United States) Incorporated 1009 Think Place - Unauthorized changes or modifications ...Product specific notices
Electronic emissions notices
The following information refers to Lenovo B575, machine type 20119, 1450.
„ Federal Communications Commission (FCC) Statement
This equipment has...
Hardware Maintenance Manual - Page 3
... 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 an FRU 33
1010 Battery pack 34 1020 Dummy ...-side view 66 Parts list 67 Overall 68 LCD FRUs 72 Keyboard 74 Miscellaneous parts 76 AC adapters 77 Power cords 78
Notices 81 Trademarks 82
iii
Hardware Maintenance Manual - Page 6
Lenovo B575 Hardware Maintenance Manual
General safety
Follow these rules below to lift it. 4. Make sure that may ... If your eyes. • After service, reinstall all safety shields, guards, labels, and ground wires. Use a slow lifting force. Replace any heavy object:
1. this action could
avoid the strain from walk areas so that you are put during
and after the maintenance. &#...
Hardware Maintenance Manual - Page 20
... 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. "Important notice for replacing a system board" on page 17 • "Important information about replacing RoHS compliant FRUs" on page 16
- Lenovo B575 Hardware Maintenance Manual
Important service information
This chapter presents the...
Hardware Maintenance Manual - Page 22
... numbers with the same fit and function are not required to these products and any product Lenovo produces containing RoHS compliant FRUs. RoHS compliant FRUs have RoHS compliant parts. Lenovo B575 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
RoHS, The Restriction of the order.
18 Products marketed before June 2006 are...
Hardware Maintenance Manual - Page 24
Failing FRU name and part number 7. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an... password (making the computer unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect AC adapter on laptop products
The following is covered under the warranty by nonwarranted activities: • Missing parts might indicate...
Hardware Maintenance Manual - Page 25
...installed in the computer.
21 See the
following : • Replace the system board. • If the problem continues, go to "Lenovo B575" on page 22
Checking the AC adapter
You are servicing. ... on the computer. 5. Make sure that power is not correct, replace the AC adapter. 4.
Checking operational charging
To check whether the battery charges properly during operation, go ...
Hardware Maintenance Manual - Page 26
...does not start until the Power Meter shows that less than +11.0 V DC after recharging, replace the battery.
4. If the voltage is still not charged, go to the Power Meter icon ...the voltage is correct, replace the system board.
22 If the resistance is still less than 95% of its capacity. If the resistance is still off the computer. 2. Lenovo B575 Hardware Maintenance Manual
Perform ...
Hardware Maintenance Manual - Page 27
Using recovery discs
When you replace a hard disk drive in a Lenovo computer includes a hidden partition when it is not recoverable. For ... factory default. If you perform this action.
Make sure to back up files of factory default
The Lenovo B575 computers come with pre-installed OneKey Rescue System. Related service information
Related service information
This chapter presents the...
Hardware Maintenance Manual - Page 28
..., the password prompt does not appear when the operating system is turned on. If any Lenovo computer: the poweron password (POP) and the supervisor password (SVP).
Attention: If the ... replaced for system recovery automatically. The system board must enter the SVP in the BIOS Setup Utility. Passwords
As many as two passwords may be made available to reset the password. Lenovo B575 ...
Hardware Maintenance Manual - Page 30
... do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that action: - The hibernation file in either of the following conditions: • If a "hibernation time" has been set on , the computer returns from the hard disk drive.
26 Lenovo B575 Hardware Maintenance Manual
Hibernation mode...
Hardware Maintenance Manual - Page 31
...6-in-1 card reader (SD/SDHC/MMC/MS/MS-pro/xD)
27 Lenovo B575
Lenovo B575
This chapter presents the following product-specific service references and product-specific parts...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...
Hardware Maintenance Manual - Page 32
... only)
Keyboard
• Numberic Keyboard
Touch pad
• Two clicks with Metal-Dome
Fingerprint reader
• Select models only
Integrated camera
• 0.3Million pixels
Battery
• 48WH, 6 cell cylindrical Li-ion Battery
AC adapter
• 65W
Pre-installed
• Win 7 Starter/Home Basic/Premium/Professional
operating system • Free DOS
28 Lenovo B575 Hardware...
Hardware Maintenance Manual - Page 33
b Num lock White: The separate numeric keypad on the keyboard is
on . To enable or disable the numeric keypad,
press the Num Lock key. Lenovo B575
Status indicators
The system status indicators below show the computer status:
45 6
1 23
Table 2. When this indicator is
enabled. Note: Do not move the system ...
Hardware Maintenance Manual - Page 36
...• Each one should be used only once.
Use a new one . In the Lenovo computer, this problem is addressed with shock or vibration. • They are calibrated correctly ...a torque screwdriver if you removed. Do the following country specifications.
32 Lenovo B575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the torque shown in your tool...
Hardware Maintenance Manual - Page 37
...the following general rules: 1. When turning a screw to remove potential shock reasons.
33 When replacing an FRU, use the correct screw as given in the direction as given by shaking the .... 4. DANGER Before removing any FRU, turn on page 64. 8.
Lenovo B575
Removing and replacing an FRU
This section presents exploded figures with one hand or using an electrostatic discharge (ESD) ...
Hardware Maintenance Manual - Page 46
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. 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
Hardware Maintenance Manual - Page 47
Removal steps of keyboard (continued)
Loosen the keyboard with fingers in the direction shown by arrows b.
2
43 Lenovo B575
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
Hardware Maintenance Manual - Page 49
...ten screws a and three screws b on page 42
Figure 9. Lenovo B575
1090 Keyboard bezel
For access, remove these FRUs in order: • "...; "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36 • "1050 Optical drive" on page 38 • "1080 Keyboard" 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...
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