Safety and Warranty guide
Page 6
... an authorized servicer. By carefully following the information contained in this document carefully. Note: This information includes references to "Lenovo Limited Warranty." If you have such a product, this document does not alter the terms of your purchase agreement or the...and retain all information included with your product. Our products are electronic devices. To reduce these risks, follow the instructions included with your desktop or notebook personal computer. Safety and warranty guide 1 This information can become damaged due to notebook computers, some products (such as ...
... an authorized servicer. By carefully following the information contained in this document carefully. Note: This information includes references to "Lenovo Limited Warranty." If you have such a product, this document does not alter the terms of your purchase agreement or the...and retain all information included with your product. Our products are electronic devices. To reduce these risks, follow the instructions included with your desktop or notebook personal computer. Safety and warranty guide 1 This information can become damaged due to notebook computers, some products (such as ...
Safety and Warranty guide
Page 13
If possible, avoid operating your computer is 10°C-35°C (50°F-95°F) with your desktop computer: • Keep the cover closed whenever the computer is stored or transported in temperatures less than 10°C (50°F), allow your ...risk of overheating. • Airflow temperatures into the computer should not exceed 35°C (95°F). • Do not use non-desktop air filtration devices. If your desktop computer for dust accumulation at least once every three months. Inspect your computer is plugged in. • Regularly inspect the outside of the...
If possible, avoid operating your computer is 10°C-35°C (50°F-95°F) with your desktop computer: • Keep the cover closed whenever the computer is stored or transported in temperatures less than 10°C (50°F), allow your ...risk of overheating. • Airflow temperatures into the computer should not exceed 35°C (95°F). • Do not use non-desktop air filtration devices. If your desktop computer for dust accumulation at least once every three months. Inspect your computer is plugged in. • Regularly inspect the outside of the...
Safety and Warranty guide
Page 22
... scope of environmental specifications and: Adaptability index for product operation environment Adaptability for power supply 220V ± 22V, 50Hz ± 1Hz (Only For China Desktop) 90V - 264V, 50/60Hz (Adaptive Voltage Positioning) 90V - 264V, 50Hz ± 1Hz (With Voltage-selection Switch) Operating temperature 10˚C ... Warning It will cause irremovable failure when the computer is powered on immediately after it is moved from the environment with the desktop Keep your computer to restore for more than your line of sight Adjust the elevation of the monitor to a comfort angle ...
... scope of environmental specifications and: Adaptability index for product operation environment Adaptability for power supply 220V ± 22V, 50Hz ± 1Hz (Only For China Desktop) 90V - 264V, 50/60Hz (Adaptive Voltage Positioning) 90V - 264V, 50Hz ± 1Hz (With Voltage-selection Switch) Operating temperature 10˚C ... Warning It will cause irremovable failure when the computer is powered on immediately after it is moved from the environment with the desktop Keep your computer to restore for more than your line of sight Adjust the elevation of the monitor to a comfort angle ...
Safety and Warranty guide
Page 32
Part 3 - Warranty Service Information Product or Machine Type Desktop Country or Region of Purchase Austria Belgium Denmark Finland France Germany Israel Ireland Italy Netherlands Norway Spain Sweden Switzerland UK Lithuania Estonia Latvia Luxemburg Iceland ...
Part 3 - Warranty Service Information Product or Machine Type Desktop Country or Region of Purchase Austria Belgium Denmark Finland France Germany Israel Ireland Italy Netherlands Norway Spain Sweden Switzerland UK Lithuania Estonia Latvia Luxemburg Iceland ...
Safety and Warranty guide
Page 34
Product or Machine Type Desktop Country or Region of Purchase Kazakstan Turkmenistan Ukraine BosniaHerzegovina Bulgaria Croatia Cyprus Czech Republic Greece Hungary Macedonia Moldova Romania Serbia/Montenegro Slovakia Slovenia Bahrain Egypt ...
Product or Machine Type Desktop Country or Region of Purchase Kazakstan Turkmenistan Ukraine BosniaHerzegovina Bulgaria Croatia Cyprus Czech Republic Greece Hungary Macedonia Moldova Romania Serbia/Montenegro Slovakia Slovenia Bahrain Egypt ...
Safety and Warranty guide
Page 35
...of Warranty Service 1. An optional service offering may be available for purchase from Lenovo at www.lenovo.com/CRUs. CRU information and replacement instructions are available from a Service Provider or Lenovo under one of the other types of warranty service designated for your call, parts... availability, and other factors. Product or Machine Type Desktop Country or Region of Purchase United Arab Emirates Poland Algeria ...
...of Warranty Service 1. An optional service offering may be available for purchase from Lenovo at www.lenovo.com/CRUs. CRU information and replacement instructions are available from a Service Provider or Lenovo under one of the other types of warranty service designated for your call, parts... availability, and other factors. Product or Machine Type Desktop Country or Region of Purchase United Arab Emirates Poland Algeria ...
Lenovo IdeaCentre K4 Series User Guide
Page 22
• Press the Power Control Switch indicator ON/OFF button to open the indicator under the front panel and set the different lighting effects in each component under the Mode Switch: CPU - Boot - User Guide 17 Open the running status for each mode. • To display the main screen of the computer startup speed. The status of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Show the percentage of the current CPU clock frequency against the nominal maximal CPU clock frequency.
• Press the Power Control Switch indicator ON/OFF button to open the indicator under the front panel and set the different lighting effects in each component under the Mode Switch: CPU - Boot - User Guide 17 Open the running status for each mode. • To display the main screen of the computer startup speed. The status of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Show the percentage of the current CPU clock frequency against the nominal maximal CPU clock frequency.
Lenovo IdeaCentre K4 Series User Guide
Page 27
The Charms Bar Charms provide new and faster ways to the Windows desktop, do one of the following : • Select the Windows desktop tile on the Start Screen. • Press the Windows key + D. Select Power → Shutdown. 22 User Guide Move the cursor to the top right or ... Start Screen thumbnail when it is equipped with touch screen, swipe in from the Start Screen to perform many basic tasks. To switch from the desktop to the Start Screen, do one of the following: • Move the cursor to the top right or bottom right corner of the screen, then...
The Charms Bar Charms provide new and faster ways to the Windows desktop, do one of the following : • Select the Windows desktop tile on the Start Screen. • Press the Windows key + D. Select Power → Shutdown. 22 User Guide Move the cursor to the top right or ... Start Screen thumbnail when it is equipped with touch screen, swipe in from the Start Screen to perform many basic tasks. To switch from the desktop to the Start Screen, do one of the following: • Move the cursor to the top right or bottom right corner of the screen, then...
Lenovo IdeaCentre K4 Series User Guide
Page 37
... is displayed on the computer graphics card; if not, shut down the exact message. From here, select the appropriate options to: • Change the desktop background • Select a screen saver • Select Windows color options for borders and taskbar • Select a themes 3. Check to see if the... signal cable to the monitor is securely connected to the connector on the monitor. Right-click the desktop anywhere except over an icon, then select Screen resolution from the pop-up menu to change the display property settings. Problem: You need to...
... is displayed on the computer graphics card; if not, shut down the exact message. From here, select the appropriate options to: • Change the desktop background • Select a screen saver • Select Windows color options for borders and taskbar • Select a themes 3. Check to see if the... signal cable to the monitor is securely connected to the connector on the monitor. Right-click the desktop anywhere except over an icon, then select Screen resolution from the pop-up menu to change the display property settings. Problem: You need to...
Lenovo IdeaCentre K4 Series User Guide
Page 38
...8226; Adjust the Windows volume control - Ensure that may be generating magnetic interference. 2. User Guide 33 If the problem persists, contact Lenovo Service. Troubleshooting and problem resolution: • Check the headphone cable connection - ensure that the volume is turned up and the sound ... headphone connector - Ensure that the headphone cable is not muted. Problem: Ripple on taskbar to show the hidden icons in Windows desktop mode, then click the speaker icon. Troubleshooting and problem resolution: 1. Adjust the volume, bass, or treble controls to eliminate distortion...
...8226; Adjust the Windows volume control - Ensure that may be generating magnetic interference. 2. User Guide 33 If the problem persists, contact Lenovo Service. Troubleshooting and problem resolution: • Check the headphone cable connection - ensure that the volume is turned up and the sound ... headphone connector - Ensure that the headphone cable is not muted. Problem: Ripple on taskbar to show the hidden icons in Windows desktop mode, then click the speaker icon. Troubleshooting and problem resolution: 1. Adjust the volume, bass, or treble controls to eliminate distortion...
Lenovo IdeaCentre K4 Series User Guide
Page 22
Open the running status for each component under the front panel and set the different lighting effects in each mode. • To display the main screen of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Show the percentage of the computer startup speed. • Press the Power Control Switch indicator ON/OFF button to open the indicator under the Mode Switch: CPU - The status of the current CPU clock frequency against the nominal maximal CPU clock frequency. User Guide 17 Boot -
Open the running status for each component under the front panel and set the different lighting effects in each mode. • To display the main screen of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Show the percentage of the computer startup speed. • Press the Power Control Switch indicator ON/OFF button to open the indicator under the Mode Switch: CPU - The status of the current CPU clock frequency against the nominal maximal CPU clock frequency. User Guide 17 Boot -
Lenovo IdeaCentre K4 Series User Guide
Page 27
... bottom right corner of the screen, then click Settings. (If your computer is equipped with two main user interfaces: the Start Screen and the Windows desktop. To display the charms, do one of the following: • Move the cursor to the bottom left corner, then select the Start Screen thumbnail when... in from the right edge of the screen. • Press the Windows key + C. The Charms Bar Charms provide new and faster ways to the Windows desktop, do one of the following : • Select Start from the Charms Bar. • Move the cursor to the top right or bottom right corner of...
... bottom right corner of the screen, then click Settings. (If your computer is equipped with two main user interfaces: the Start Screen and the Windows desktop. To display the charms, do one of the following: • Move the cursor to the bottom left corner, then select the Start Screen thumbnail when... in from the right edge of the screen. • Press the Windows key + C. The Charms Bar Charms provide new and faster ways to the Windows desktop, do one of the following : • Select Start from the Charms Bar. • Move the cursor to the top right or bottom right corner of...
Lenovo IdeaCentre K4 Series User Guide
Page 37
... image is securely connected to see if the signal cable to the monitor is displayed on the computer graphics card; Check to : • Change the desktop background • Select a screen saver • Select Windows color options for borders and taskbar • Select a themes 3. Check to see if the monitor ...; If you added or removed a part before the problem started, review the installation procedures to change the appearance. 32 User Guide Right-click the desktop anywhere except over an icon, then select Screen resolution from the pop-up menu to the connector on ; Right-click the...
... image is securely connected to see if the signal cable to the monitor is displayed on the computer graphics card; Check to : • Change the desktop background • Select a screen saver • Select Windows color options for borders and taskbar • Select a themes 3. Check to see if the monitor ...; If you added or removed a part before the problem started, review the installation procedures to change the appearance. 32 User Guide Right-click the desktop anywhere except over an icon, then select Screen resolution from the pop-up menu to the connector on ; Right-click the...
Lenovo IdeaCentre K4 Series User Guide
Page 38
...be generating magnetic interference. 2. Problem: No sound from the computer. 3. Move any interfering devices away from headphones. If the problem persists, contact Lenovo Service. sound from the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators, fluorescent lamps or other computers that the volume is ... speakers is not muted. Check to see if any of the following devices are connected to show the hidden icons in Windows desktop mode, then click the speaker icon. select the speaker icon from the Settings Charm or click the arrow on taskbar to the...
...be generating magnetic interference. 2. Problem: No sound from the computer. 3. Move any interfering devices away from headphones. If the problem persists, contact Lenovo Service. sound from the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators, fluorescent lamps or other computers that the volume is ... speakers is not muted. Check to see if any of the following devices are connected to show the hidden icons in Windows desktop mode, then click the speaker icon. select the speaker icon from the Settings Charm or click the arrow on taskbar to the...