Lenovo U350 Lenovo IdeaPad U350 UserGuide V1.0 - Page 59
Troubleshooting, Computer screen problems, Sound problems, from the speaker even - driver
UPC - 884942238819
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Chapter 5. Troubleshooting Computer screen problems The screen is blank. • Do the following: - If you are using the AC adapter, or using the battery, and the battery status indicator is on, press Fn +Ėto make the screen brighter. - If the power indicator is blinking, press the power button to resume from the sleep mode. - If the problem persists, follow the solution in the following problem "The screen is unreadable or distorted." The screen is unreadable or • Make sure that: distorted. - The display device driver is installed correctly. - The screen resolution and color quality are correctly set. - The monitor type is correct. Incorrect characters appear • Did you install the operating system or application on the screen. program correctly? If they are installed and configured correctly, have the computer serviced. Sound problems No sound can be heard from the speaker even when the volume is turned up. • Make sure that: - The Mute function is off. - The headphone jack is not used. - Speakers is selected as a playback device. 45