Student-Contributed Wiki

Student-Contributed Wiki

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No Display ¶ 

Screen stays black, does not light up, does not respond to input or goes out intermittently

Power and Sleep Settings ¶ 

  • Make sure the power is on
  • Check the laptop is not in sleeping mode
    • If the laptop is in sleeping mode, press Fn key and hold it for 10 seconds

Displaying to External Device ¶ 

  • Press Fn and F7 keys simultaneously to ensure that the output is set to the internal display
    • Disconnect all external displays
  • Restart the system and verify it works on startup
    • Press F1 for BIOS setup utility
  • If there is still no video display, contact the Lenovo support center

Backlight ¶ 

  • Backlight connection may be broken if the screen lights does not stay on after the laptop is turned on
  • To test the backlight, tap the base of the screen on the backside of the laptop while it is on
  • If the screen flickers in response to the taps, the backlight connector is broken
  • To replace the backlight, follow this LCD replacement guide

No Audio ¶ 

Speakers have no output

Mute enabled ¶ 

  • Under volume settings, ensure that volume is greater than zero
  • If the mute key (located on upper left side of keyboard) is lit, deactivate it by pressing the key again

Faulty Drivers ¶ 

  • Enter device manager and navigate to "Audio input and output"
  • Select the designated speakers for your system
    • Are the drivers disabled? If so, enable them
    • Make any available updates to the driver

None of the above solutions worked ¶ 

Webcam Not Functioning ¶ 

Displays black screen when opened, or refuses to open

Driver Errors ¶ 

  • Webcam incorrectly identified
    • If incorrectly identified, reinstall and update webcam driver
  • Webcam disabled
    • Enable the webcam in "Device Manager"

Webcam is properly installed and not working ¶ 

  • Perform power drain by following these steps:
    1. Unplug the AC adapter and remove the battery
    2. Hold the power button down for at least 10 seconds
    3. Reconnect the adapter and power on the system
    4. Check to see that the webcam is functioning

Webcam is physically damaged ¶ 

  • If you have ruled out all software issues, follow this guide to replace your broken webcam

No Wifi ¶ 

Laptop cannot access the internet or connect to wifi access points

Wifi Settings ¶ 

  • Make sure the Wifi switch is set to ON (should see green tab)
  • Navigate to "Network & Internet Settings" to check that laptop is not set to airplane mode

Drivers ¶ 

  • Check the wireless driver in device manager
    • Is it disabled? If so, enable it
    • If the issue is not resolved, search for wireless software updates and install those applicable

Faulty keyboard ¶ 

Sticky, missing, or unresponsive keys

Individual key is stuck ¶ 

  • Remove and inspect mechanically stuck keys for damage or corrosion
    • Replace the damaged or corroded keys with this guide
  • Clean key contacts of dust and debris
  • Disconnect all external devices
  • Reset system BIOS to default settings
  • Press the power button for 10-15 seconds after removing the battery and connect only the AC Adapter to turn on the computer

Whole keyboard is unresponsive ¶ 

Keyboard types automatically ¶ 

  • If a particular key is being typed without being pressed, remove the individual and clean contact

Jammed DVD Drive ¶ 

The DVD Drive is jammed or not opening

Out of date DVD drive software ¶ 

  • If the current drive software is Drive Letter Access, it must be updated to the new Drag2Disc software
    • Go to and download the appropriate Drag2Disc software for your system (to see operating system, go to windows search bar and type “System” to view system information and windows version)

Drivers are up to date and installed properly ¶ 


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