Lenovo G405 Support Question
Lenovo G405 Support Question
Find answers below for this question about Lenovo G405.Need a Lenovo G405 manual? We have 7 online manuals for this item!
Question posted by Wilvertjohnross on December 9th, 2014
Problem Opening My Laptop
My Lenovo g405 cannot be openned up. My screen is just dead. Whwnever I press the power button, the screen doesn't sho anything.... but the first and second LED is up... Kindly help me with this problem..
Current Answers
Related Lenovo G405 Manual Pages
Safety and General Information Guide - Notebook - Page 11
...Do not short-circuit it to water or rain. • Do not attempt to open or service any discharge from your product have been tested for compatibility and should only be replaced... replaced, there is not covered by Lenovo, or a disassembled or modified battery pack is danger of harmful substances. Do not expose the battery to provide system power when in the product documentation. Do ...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 3
...information about replacing RoHS compliant FRUs 18
General checkout 19 What to do first 20 Power system checkout 21
Checking the AC adapter 21 Checking operational charging 21 Checking the ...25 Power-on password 25 Hard-disk password 25 Supervisor password 25 Power management 26 Screen blank mode 26 Putting your computer to sleep 26 Shutting down the computer 27
Lenovo G400/G500/G405/...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 4
Before servicing a Lenovo product, make sure to troubleshoot problems effectively. iv
Use this manual to troubleshoot problems. The manual is intended only for servicing computers. • The product-specific section includes service, reference, and product-specific
parts information. Important: This manual is divided into the following Lenovo product:
G400/G500/G405/G505/G410/G510 ...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 18
... procedimientos distintos de los aquí especificados puede provocar la exposición a radiaciones peligrosas. Opening the CD-ROM drive, the DVD-ROM drive, or any other than those drives. to ...optical storage device such as options. Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance Manual
Laser compliance statement
Some models of Lenovo computer are no serviceable parts inside ...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 24
...number, and serial number 8. Before checking problems with multiple labels • Damaged or bent diskette eject button • Fuses blown by attachment of...8226; Diskette drive damage caused by pressure on laptop products
The following symptoms might indicate damage caused by...card • Improper disk insertion or use . Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance Manual
What to do...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 25
... the computer fails only when the AC adapter is not correct, replace the AC adapter. 4. Make sure that power is acceptable, do the following: • Replace the system board. • If the problem persists, go to "Lenovo G400/G500/G405/G505/G410/G510"
on the computer. 5. Note: Noise from the computer. 2. See the
following...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 30
... an enhanced power-saving mode.
• Press the power button.
26 Putting your computer to resume use, bypassing the startup process.
To end screen blank mode and resume normal operation, press any key on the keyboard.
To put the computer to sleep, do one of the following : • Close the display panel. • Press the power button.
• Open the...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 36
Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance Manual
Table 2. The battery has more than 20% charge. The battery is fully charged.
32 When the battery reaches 80% charge, the light will stop blinking, but charging will continue until the battery is being charged.
The computer is a problem with the battery or the...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 38
... are calibrated correctly following when you service this section carefully before replacing any FRU.
Use a new one. Screw notices
Loose screws can cause a reliability problem.
Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the "Torque" column for reuse. • Use a torque screwdriver...
Hardware Maintenance Manual - Lenovo G400, G500, G405, G505, G410, G510 - Page 81
Lenovo G400/G500/G405/G505/G410/G510
Locations
Front view
a Integrated camera b Wireless antennas c Computer display d Speakers e Novo button f Power button g Built-in microphone h Touch pad i System status indicators j Memory card slot k Numeric keypad (G500/G505/G510)
a
b
c
e f
d g h
i
b c e f g h
i
j a
d k
j
77
User Guide - Lenovo G400, G500, G405, G505, G410, G510 - Page 7
...cursor on the screen, slide your fingertip over the pad in the direction in hibernation mode, press this button to that of the left /right mouse button on the computer...pressing .
f Novo button
When the computer is not available.
Touchpad buttons The functions of the left /right side correspond to turn on a conventional mouse.
e Power button
Press this button to start the Lenovo...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 - Page 21
... of the following : • Close the display panel. • Press the power button. • Open the charms, and then select Settings → Power → Sleep.
Note: Wait until the power indicator light starts blinking (indicating that the computer has entered an enhanced power-saving mode.
• Press the power button.
17 To wake the computer, do one of the following...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 - Page 29
.... When I turn on the computer, only a white cursor appears on the screen.
• If the screen is blank, make sure that: - If you still see only the cursor on . (Press the power button again for the LCD screen has been turned off.
25
Touch the touchpad. -
Press the power button. - My screen goes blank while the computer is on the...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 - Page 31
.... -
Troubleshooting
The computer does not return from sleep mode, and the computer does not work.
• If your computer is blinking, press the power button to make the screen brighter. - If the problem persists, follow the solution in sleep mode, connect the AC adapter to confirm whether the backlight for 4 seconds or more.
The monitor...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 - Page 33
...operation.
The connected external device does not work.
• To turn off , press the Novo button to select the device you want .
• Also make sure that the ...power is enabled. If the computer still does not respond, remove the AC adapter.
• Your computer might damage your computer, press and hold the power button for 4 seconds or more. Troubleshooting
Other problems...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 (Windows 8.1 Preloaded) - Page 7
... the cursor on the screen, slide your fingertip over the pad in the direction in which can enable/disable the touchpad by pressing . i Numeric keypad (G500/G505/ G510)
For details, see "Chapter 3. Chapter 1.
b Wireless antennas
Connect to the wireless adapter to enter the boot menu. e Power button
Press this button to start the Lenovo OneKey Recovery system...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 (Windows 8.1 Preloaded) - Page 21
... be away from your computer to sleep If you can damage the hard disk, causing loss of the following : • Close the display lid. • Press the power button. • Open the charms, and then select Settings → Power → Sleep. Starting to use , bypassing the startup process.
User Guide - Lenovo G400, G500, G405, G505, G410, G510 (Windows 8.1 Preloaded) - Page 30
... power adapter is on . (Press the power button again for the LCD screen has been turned off.
26 Troubleshooting
Troubleshooting
Display problems
When I turn on the computer, nothing appears on a blank screen.
• Restore backed-up files to your hard disk to resume from the screen saver or to its original factory contents using the Lenovo OneKey Recovery system. Press...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 (Windows 8.1 Preloaded) - Page 32
... set. - Chapter 4. To reset the computer, press and hold the power button for the LCD screen has been turned off , reset the computer.
correctly? Display panel problems
The screen is correct. If the power indicator is unreadable or distorted.
• Make sure that: - The screen is blinking, press the power button to make the screen brighter. - The display device driver is on...
User Guide - Lenovo G400, G500, G405, G505, G410, G510 (Windows 8.1 Preloaded) - Page 34
... . Chapter 4. If the computer still does not respond, remove the AC power adapter.
• Your computer might damage your computer, press and hold the power button for 4 seconds or more. The connected external device does not work.
• To turn off , press the Novo button to start from which the computer starts is included in the...
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