HANNspree SN22A1 user manual Display problems

Page 51

 

 

 

Troubleshooting

 

 

 

 

 

 

 

Display problems

 

 

 

 

 

 

 

 

Symptom

 

Possible solution

 

There is nothing visi-

Check the power cable and power adapter are well connected.

 

ble on the screen.

 

 

 

Check the Power button indicator.

 

 

 

- If the indicator does not light up, your computer is not being

 

 

 

supplied power from an external power source via the power

 

 

 

adapter. Check the connection between your computer, the

 

 

 

power adapter, and the nearby outlet.

 

 

 

- If the indicator flashes in blue, your computer has entered

 

 

 

Sleep mode. Move your mouse or click any button on the key-

 

 

 

board to wake the system.

 

 

 

- If the Power button indicator lights up in blue, the computer is

 

 

 

being supplied normally with power. Reconnect the power

 

 

 

adapter and restart the system.

 

 

Check if the LCD display power indicator stays in blue.

 

 

 

- If the indicator flashes white, your monitor has entered Sleep

 

 

 

mode. Press the Power button on the front panel to turn on

 

 

 

the screen.

 

 

Check if the brightness level of the display is adjusted

 

 

 

correctly, and is not set too low or too high. Use the

 

 

 

Brightness control by pressing the Brightness/Increase or

 

 

 

Decrease buttons on the front panel to adjust the brightness

 

 

 

level.

 

The images on the

Press the Auto-adjustbutton on the front panel of the

 

screen are too large or

 

computer.

 

too small, or the

 

 

 

Check if the monitor is running at its native resolution.

 

images are blurred.

 

- Right-click the desktop, and then select Screen Resolution.

 

 

 

 

 

 

In the opened window, set the Resolution to 1920 x 1080,

 

 

 

and then click Apply and OK to complete the settings.

 

The images on the

Press the Auto-adjustbutton on the front panel of the

 

screen are too bright

 

computer.

 

or too dark.

 

 

 

Check if the brightness level of the display is adjusted

 

 

 

correctly, and is not set too low or too high. Use the

 

 

 

Brightness control by pressing the Brightness/Increase or

 

 

 

Decrease buttons on the front panel to adjust the brightness

 

 

 

level.

SN22A1

50

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Contents All-In-One PC Table of Contents Bios Setup Utility Using the PCUsing the Peripheral Devices Cleaning and careSpecifications SN22A1 TroubleshootingOverview of your documentation Document typeTypographics Package contents Description Getting to know the PCTouring the PC Front viewGetting to know the PC Photo, and MovieSpeakers Vents Rear viewHdmi USB ports Right-side viewMedia card ReaderEject button Wired keyboard and mouseLeft-side view Special keyboard buttons front viewFunction key Performed task Indicator lights Overview of the wired mouse front viewActivities Preparing to setup your PC Setting up the PCSetting up the PC Connecting the wired keyboard and mouse Connecting the powerTurning on the PC Customizing the mouse settingsTurning off the display Turning off the PCBrightness control Configuring the displayVolume control Picture mode controlPicture Mode Descriptions Using the PC Connecting to the InternetConnecting to a wired network Connecting to a wireless network for select models Using the PCUsing the webcam Media Type Read Write Rewritable Using the optical disc driveInserting a disc CD-writable drivesUsing the PC Reading a disc Writing to a discRemoving a disc Using memory cards Using the PC Using the touch screen for select models Selecting items with your touch screenComputer Connecting USB devices Using the Peripheral DevicesRemoving USB devices Using the Peripheral DevicesCleaning and care Cleaning the screen and computerScreen and computer Storing your computer Cleaning and careCDs and DVDs Recovery DVD and Driver CD Cleaning the discsKeyboard and mouse Cleaning your keyboard and mouseWhen to Use the Bios Setup Utility Bios Setup UtilityArea Descriptions Bios Setup UtilityMoves between the menus on the title bar Navigating the Bios setup screenKeys Function Launches the General Help screenMenu Descriptions Main menuCPU Configuration IDE ConfigurationAdvanced menu USB Configuration APM ConfigurationRestore on AC Power Loss Sets the system state ConfigurationVideo Function Security menu PasswordChange User Password Clear User PasswordPassword check Menu Option Descriptions Boot menuBoot Settings Boot DeviceDrives SN22A1 Discard Changes and Exit Load Optimal DefaultsExit menu Save Changes and ExitTroubleshooting Frequently asked questions FAQPower problems Internet access problems TroubleshootingOptical discs problems Display problems Keyboard and mouse problems Sound and microphone problems Miscellaneous problems Specifications SN22A1 SpecificationsModel SN22A1 Regulatory Information SpecificationsTrademark Notice