Lenovo G580, 367927U, 37012PU, 59359143, 59359680, G780, G585, G485 Display problems, Password problems

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Chapter 5. Troubleshooting

Troubleshooting --------------------------------------------------------------------------------------

Display problems

When I turn on the computer, nothing appears on the screen.

•If the screen is blank, make sure that:

-The battery is installed correctly.

-The AC adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

-The computer power is on. (Press the power button again for confirmation.)

-The memory is installed correctly.

•If these items are properly set, and the screen remains blank, have the computer serviced.

When I turn on the computer,

• Restore the system partition to its original status or a

only a white cursor appears on

previously created back-up point using the OneKey

a blank screen.

Recovery system. If you still see only the cursor on the

 

screen, have the computer serviced.

My screen goes blank while the

• Your screen saver or power management may be enabled.

computer is on.

Do one of the following to exit from the screen saver or to

 

resume from sleep mode:

 

- Press any key on the keyboard.

 

- Press the power button.

 

- Press Fn+F2 to confirm whether the backlight for the LCD

 

screen has been turned off.

 

 

Password problems

 

I forgot my password.

• If you forget your user password, ask the system

 

administrator to clear your user password.

 

• If you forget your HDD password, a Lenovo authorized

 

servicer cannot reset your password or recover data from

 

the hard disk. You must take your computer to a Lenovo

 

authorized servicer or a marketing representative to have

 

the hard disk drive replaced. Proof of purchase is required,

 

and a fee will be charged for parts and service.

 

• If you forget your supervisor password, a Lenovo

 

authorized servicer cannot reset your password. You must

 

take your computer to a Lenovo authorized servicer or a

 

marketing representative to have the system board

 

replaced. Proof of purchase is required, and a fee will be

 

charged for parts and service.

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Contents Lenovo G480/G485/ G580/G585/G780 Third Edition June Copyright Lenovo Contents Page „ G480/G485 Getting to know your computer„ G580/G585 „ G780 System status indicators Built-in microphone Touchpad Computer display Power button Novo buttonVGA port „ G480/G485/G580/G585 „ G780Fan louvers USB port on Getting to know your computer RJ-45 portSelect models Optical drive on Adapter jack Combo audio jack AC powerGetting to know your computer USB port on Front view Bottom view Getting to know your computer „ G580/G585 Getting to know your computer „ G780 Page Start screen Desktop Learning the basicsLearning the basics Search charmShare charm Settings charmStart charm Devices charm„ Putting your computer to sleep Putting the computer to sleep or shutting it down„ Shutting down the computer Touchpad Left click button Right click button Using the touchpadG480/G485 G580/G585/G780 Function key combinationsFn + F6 Fn + F5Fn + F9 Fn + F10Removing a memory card „ Using memory cards not suppliedInserting a memory card Enabling Bluetooth communications on your computer „ Connecting a universal serial bus USB device„ Connecting a Bluetooth device on select models „ Novo button a G480/G485/G580/G585 G780 Page „ Attaching a security lock not supplied „ Using passwordsAbout Nvidia OptimusTM on select models „ Hardware connection Connecting to the Internet„ Software configuration Wireless connection Connecting to the InternetHardware connection Connecting to a wireless network„ Restoring Lenovo OneKey Recovery system„ Backing up the system partition „ Drivers and preinstalled software Troubleshooting„ Lenovo OneKey Recovery system „ Finding information„ Getting help „ Bios setup utilityTroubleshooting Password problems Display problemsComputer screen problems Troubleshooting Sleep problemsBattery problems Sound problemsHard disk drive problem Startup problemRespond Troubleshooting Other problemsG480/G485/G580/G585 Appendix A. CRU instructionsAppendix A. CRU instructions Handling a hard disk drive Replacing the hard disk driveG480/G485 G580/G585 G780 Remove the frame fixing screws c Pull the HDD bracket in the direction shown by arrow d Take out the hard disk drive secured in a metal frame e Appendix A. CRU instructions Replacing memory G480/G485 G580/G585 G780 Appendix A. CRU instructions Replacing the wireless LAN card Appendix A. CRU instructions Removing the optical drive G780 Trademarks Page V3.0en-US

G480, G585, 37012PU, 367927U, 59359680 specifications

Lenovo has long been a key player in the laptop market, known for producing a range of devices that cater to various user needs. Among its popular models, the Lenovo 59359143, G580, G485, G780, and 59359680 stand out due to their unique features, technologies, and specifications aimed at delivering exceptional performance for everyday tasks.

Starting with the Lenovo 59359143, this model stands out due to its robust performance and sleek design. It typically features Intel processors that deliver ample power for multitasking, making it suitable for both students and professionals. With a 15.6-inch HD display, users can enjoy vivid visuals, whether they're streaming videos or working on presentations. Additionally, the device often includes ample storage options, including both HDD and SSD configurations, which are crucial for fast data access.

The G580 is another noteworthy model, often praised for its performance in budget-friendly categories. It usually comes equipped with a second-generation Intel Core i3 or i5 processor, combined with NVIDIA graphics that enhance the visual experience for gaming and media consumption. The 15.6-inch screen size and ergonomic keyboard are designed to provide comfort during long hours of use.

Moving on to the G485, this laptop is targeted more towards the budget-conscious user while still offering reliable functionality. It generally features AMD processors, which provide solid performance for basic tasks such as word processing and web browsing. With its integrated graphics, users can still enjoy casual gaming and video playback, making it a versatile choice for everyday use.

The G780 model elevates user experience with its advanced features tailored for multimedia use. Equipped with a large 17.3-inch display, it provides an immersive viewing experience, complemented by enhanced audio systems. This laptop usually supports high RAM configurations, allowing users to handle demanding tasks like video editing and graphic design efficiently.

Finally, the Lenovo 59359680 brings together modern technology with practicality. Known for its sleek chassis, it is often packed with powerful processors and dedicated graphics options that appeal to users seeking both performance and aesthetics. Essential features like long battery life and rapid connectivity options make it a suitable device for professionals on the go.

In conclusion, the Lenovo 59359143, G580, G485, G780, and 59359680 are exemplary models that cater to different user preferences. They boast impressive features, including powerful processors, vivid displays, and ample storage solutions, ensuring that Lenovo continues to meet the evolving demands of its diverse customer base. Whether for work or entertainment, these laptops remain reliable choices in a competitive market.
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