Hardware Maintenance Manual
Lenovo IdeaPad U300e
First Edition Oct Copyright Lenovo 2011. All rights reserved
Contents
Safety information
About this manual
General checkout
About this manual
Lenovo IdeaPad U300e
Safety information
Safety information
Lenovo IdeaPad U300e Hardware Maintenance Manual
General safety
Electrical safety
Safety information
Lenovo IdeaPad U300e Hardware Maintenance Manual
Power supply units Pumps Blowers and fans Motor generators
Safety inspection guide
Safety information
Grounding requirements
Handling devices that are sensitive to electrostatic discharge
Lenovo IdeaPad U300e Hardware Maintenance Manual
Safety notice
Safety notices multilingual translations
Safety information
Safety notice DANGER
Lenovo IdeaPad U300e Hardware Maintenance Manual
Safety notice DANGER
Safety information
The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery
Safety notice DANGER
Lenovo IdeaPad U300e Hardware Maintenance Manual
The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100C 212F, incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery
Safety notice
Safety information
If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing
Lenovo IdeaPad U300e Hardware Maintenance Manual
Safety notice DANGER
Safety notice DANGER
To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card
Safety notice DANGER
Safety information
Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables
Laser compliance statement
Lenovo IdeaPad U300e Hardware Maintenance Manual
DANGER
Safety information
Important service information
Before replacing parts
Strategy for replacing FRUs
Lenovo IdeaPad U300e Hardware Maintenance Manual
Strategy for replacing a hard disk drive
Important service information
Important notice for replacing a system board
Lenovo IdeaPad U300e Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
Replacement FRU
General checkout
General checkout
Important notes
What to do first
The following are not covered under warranty
Lenovo IdeaPad U300e Hardware Maintenance Manual
Power system checkout
Checking the AC adapter
Checking operational charging
General checkout
Lenovo IdeaPad U300e Hardware Maintenance Manual
Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack
Related service information
Restoring the factory contents by using OneKey Recovery
Restore of factory default
Using recovery discs
Passwords
Power-on password
Supervisor password
Lenovo IdeaPad U300e Hardware Maintenance Manual
Power management
Screen blank mode
Sleep standby mode
Related service information
Hibernation mode
Lenovo IdeaPad U300e Hardware Maintenance Manual
Lenovo IdeaPad U300e
Specifications
Lenovo IdeaPad U300e
Table 1. Specifications continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Status indicators
Table 2. Status indicators
The system status indicators below show the computer status
Lenovo IdeaPad U300e
Table 4. Hotkey
Function key combinations
Lenovo IdeaPad U300e Hardware Maintenance Manual
FRU replacement notices
Screw notices
Plastic to plastic
Logic card to plastic
Lenovo IdeaPad U300e Hardware Maintenance Manual
Removing and replacing an FRU
DANGER
Figure 1. Removal steps of base cover
1010 Base cover
Lenovo IdeaPad U300e
Note Applying labels to the base cover
Lenovo IdeaPad U300e Hardware Maintenance Manual
1020 Battery pack
Figure 2. Removal steps of battery pack
Lenovo IdeaPad U300e
DANGER
Figure 3. Removal steps of hard disk drive
1030 Hard disk drive
Lenovo IdeaPad U300e Hardware Maintenance Manual
Figure 4. Removal steps of DIMM
1040 DIMM
Lenovo IdeaPad U300e
Figure 5. Removal steps of PCI Express Mini Card for wireless LAN
1050 PCI Express Mini Card for wireless LAN
Lenovo IdeaPad U300e Hardware Maintenance Manual
When installing
Lenovo IdeaPad U300e
Figure 6. Removal steps of fan assembly and heat sink assembly
1060 Fan assembly and Heat Sink assembly
Lenovo IdeaPad U300e Hardware Maintenance Manual
When installing
Lift the fan assembly and heat sink assembly in the direction shown by arrow 4. Be careful not to damage the connector
Lenovo IdeaPad U300e
Important notices for handling the system board
1070 System board
Lenovo IdeaPad U300e Hardware Maintenance Manual
When installing Make sure that all the connectors are attached firmly
Figure 7. Removal steps of system board
Lenovo IdeaPad U300e
Figure 7. Removal steps of system board continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Figure 8. Removal steps of speakers and microphone
1080 Speakers and microphone
Lenovo IdeaPad U300e
Lenovo IdeaPad U300e Hardware Maintenance Manual
Figure 8. Removal steps of the speakers and microphone continued
Remove the microphone in the direction shown by arrow
Figure 9. Removal steps of LCD unit
1090 LCD unit
Lenovo IdeaPad U300e
Figure 9. Removal steps of LCD unit continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
When installing
Remove the LCD unit in the direction shown by arrows
Figure 10. Removal steps of keyboard and keyboard bezel
1100 Keyboard and keyboard bezel
Lenovo IdeaPad U300e
Figure 10. Removal steps of keyboard and keyboard bezel continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Lenovo IdeaPad U300e
Remove the system status indicators board in the direction shown by arrow
Figure 10. Removal steps of keyboard and keyboard bezel continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Figure 10. Removal steps of keyboard and keyboard bezel continued
Front view
Locations
Lenovo IdeaPad U300e
Right-side view
Bottom and Left-side view
Lenovo IdeaPad U300e Hardware Maintenance Manual
5 AC power adapter jack
Parts list
This section presents the following service parts “Overall” on page
“AC adapters” on page “Power cords” on page
Lenovo IdeaPad U300e
Overall
Lenovo IdeaPad U300e Hardware Maintenance Manual
Table 5. Parts list-Overall
Lenovo IdeaPad U300e
No. FRU
FRU no
Table 5. Parts list-Overall continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Keyboard
Table 6 . Parts list-Keyboard
Lenovo IdeaPad U300e
Table 6. Parts list-Keyboard continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Miscellaneous parts
Table 7. Parts list-Miscellaneous parts
Lenovo IdeaPad U300e
AC adapters
Table 8. Parts list-AC adapters
Lenovo IdeaPad U300e Hardware Maintenance Manual
Table 9. Parts list-3-pin power cords
Power cords
Lenovo IdeaPad U300e
Table 9. Parts list-3-pin power cords continued
Lenovo IdeaPad U300e Hardware Maintenance Manual
Table 9. Parts list-3-pin power cords continued
Lenovo IdeaPad U300e
Table 10. Parts list-2-pin power cords
Lenovo IdeaPad U300e Hardware Maintenance Manual
Table 10. Parts list-2-pin power cords continued
UL 2PIN 1m power cord UK 2PIN 1m power cord Indian 2PIN 1m power cord
Italy 2PIN 1m power cord Korea 2PIN 1m power cord Australia 2PIN
1m power cord Taiwan2PIN 1m power cord Japan 2PIN 1m power cord
Notices
Lenovo IdeaPad U300e Hardware Maintenance Manual
Trademarks
Notices