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Acer Chromebook CB3-111-C8UB Troubleshooting
- Black Screen
- Missing/Faulty Keys
- Chromebook Does Not Power On
- Touchpad Unresponsive
- Audio Jack Not Working
The laptop screen is unresponsive, black, or cracked.
Computer Powered Off
Press and hold the power button for 3 seconds. If the computer screen does not respond but various lights on the computer light up, then the screen is faulty. If the screen is visibly cracked and the screen lights turn off, the screen is faulty.
If your screen is faulty, please refer to this guide for the screen replacement.
The keys on the keyboard are unresponsive or missing altogether.
Full Keyboard Unresponsive
If you are using a separate keyboard USB/Wireless, make sure the keyboard is connected via USB/Bluetooth correctly. If it is connected properly and still doesn't respond, your computer may have software problems.
Single Key Missing/Unresponsive
If a single key is missing/unresponsive, there may be dirt under the key or a single key is faulty and needs to be replaced. Please refer to this guide for replacing keys.
Chromebook Does Not Power On
Pressing the power button elicits no response from the Chromebook whatsoever; it does not power on.
Chromebook Not Plugged In
Plug your Chromebook into the power outlet using the Chromebook's power cord. If your Chromebook is out of battery, the Chromebook will not be able to turn on and operate.
If plugging in the Chromebook does not cause the power light to turn on, then the problem may be a faulty battery. If this is the case, please refer to this guide in order to replace your battery.
The Chromebook is on but the mouse cursor does not move/respond to sliding on the touchpad.
First check if the mouse cursor on the Chromebook works and is not a result of the computer's software settings. Plug an external USB mouse into the Chromebook and check to see if the mouse cursor works/moves. If it doesn't move, then there is a problem with the computer mouse cursor settings.
If plugging in an external USB mouse into the Chromebook successfully works/moves the mouse cursor, then the touchpad is faulty. Please refer to this guide in order to replace your touchpad.
Audio Jack Not Working
The audio jack on your Chromebook is not working. When you plug in headphones into your audio jack, no sound is heard.
Headphones Not Working
Check to make sure that the faulty audio is not due to the headphones themselves.
Faulty Audio Jack
If your headphones are not the cause of the problem, then you will need to replace the audio jack. Please refer to this guide in order to replace your audio jack.