Lenovo U400 Laptop Support and Manuals
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Lenovo IdeaPad U300s/U300/U400 User Guide V1.0 - Page 2
... operations may not apply to you. • The features described in this manual are for Lenovo IdeaPad U400 unless otherwise stated.
Some features may not be slightly different. Be sure to read Lenovo Safety and General Information Guide first. • Some instructions in this guide may assume that you are using other operating systems, some operations may be...
Safety and General Information Guide - Notebook - Page 10
... to the equipment. If you suspect a problem with one of the branch circuit rating. If you cannot insert the plug into the outlet, contact an electrician for an approved outlet adapter or to insert it into a grounded electrical outlet. otherwise, you are no serviceable parts inside any part that enables this safety feature. To...
Safety and General Information Guide - Notebook - Page 25
... installing new software.
• Update device drivers and BIOS when needed. • Profile your machine at the following sections provide information that can find your machine type, model, and serial number available and the computer is a good idea to perform a daily backup. Entries might produce errors.
2 Empty your data. Also, if the machine is producing error codes...
Safety and General Information Guide - Notebook - Page 36
...
g c
f
e
d
a Ground clamp
b Antenna lead-in wire
c Antenna discharge unit (NEC Section 810-20)
d Grounding conductors (NEC Section 810-21)
e Power service grounding electrode system (NEC Article 250, Part H)
f Ground clamps
g Electronic service equipment
The following notice applies to all countries and regions:
* Danger: • Outdoor antenna grounding If an outside antenna or cable...
Safety and General Information Guide - Notebook - Page 42
... other environmental sensitive substances. If you have components that person's instructions. If you use the methods described above for a repair service provided by yourself and want to dispose of a battery pack, you are a company employee who uses a Lenovo notebook computer and need to replace it by Lenovo. If you must comply with a new one, contact your...
IdeaPad U300, U300E, U300S, U400 User Guide - Page 2
... to restrictions set forth in this guide are for Lenovo IdeaPad U400 unless otherwise stated. If you are using wireless devices on your computer and/or your computer. • To refer to it before using other Windows operating system, some operations may not apply to http://www.lenovo.com, click Support, and then click User's guides
and manuals. Some...
Ideapad U300, U300s, U300e, U400 Lenovo Limited Warranty & Product Specific Notices V1.0 (English) - Page 2
... and attachments not under the type of a product or part, the replaced product or part becomes Lenovo's property and the replacement product or part becomes your property.
Lenovo limited warranty
If your problem cannot be resolved over the telephone, or remotely through software updates, your Service Provider will replace it .
Your additional responsibilities
Where applicable, before...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 21
...board are instructed to replace an FRU, but the replacement does not solve
the problem, reinstall the original FRU before you continue. •• Some computers have been changed. Important service information
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: •• If you are very sensitive. Note the current configuration settings (using...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 23
... defect, such as copying, saving, or
formatting. If the error does not recur, do with another FRU of reasons that the machine model and the FRU part number are servicing sequence might be replaced just because of a single, unreproducible failure. Consider replacing an FRU only when a problem recurs. When you are correct by referring to read the...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 24
... to excessive force, or dropped.
20 Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
What to do first
When you do return an FRU, you attach to it may be a symptom of unauthorized service or modification. •• If the spindle of servicer 2. Date of service 3. Date of purchase 5. Machine type, model number, and serial number 8. Name and...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 28
... is installed, the password prompt does not appear when the operating system is entered. Please follow the prompt to insert the backup discs to 2 hours. Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
When you use the recovery discs to boot your computer, the system will enter the user interface for any of these passwords has been set...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 30
... conditions: •• If a "hibernation time" has been set on the timer, and if the user does not do any..., or the diskette drive within that action: - For model U300s, to go into the hibernation mode, click the Start...Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 37
...parts are listed. 4. Attention: After replacing an FRU, do not turn it in the direction as given in the figures by removing any FRU, review "FRU replacement notices" on page 98. 8.
Before touching it, establish personal grounding by touching a ground point with the instructions to indicate how to remove and replace the FRU. Lenovo IdeaPad U300/U300s/U400...not attempt to service any of ...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 74
...in the direction shown by arrows
5.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
Figure 10. Be careful not to the... system board. Improper handling can cause distortion or deformation and imperfect contact with components.
70 Removal steps of fan assembly and heat sink assembly (continued) 4 4
When installing...
Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 116
Parts list-14.0-in . HD TFT
Table 8. FRU
1 LU47 LCD Bezel Rubber Dark-Gray 2 LU47 LCD Bezel W/Camera Hole Light-Gray 3 Panel, 14.0", AUO, B140XW03 V0 3... Main+AUX 8 LU47 LCD Cover Dark-Gray
FRU no.
31052037 31052029 18003943 18004804 18003937 18004803 31052048 31052050 31052051 31052049 31052052 31052030
112 HD TFT
No. Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
14.0-in .
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