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Acer Iconia B1-720 Troubleshooting
7 inch tablet manufactured by Acer in early 2014. Has 16 GB of internal storage with a 1200 MHz duel core processor.
- Tablet won't turn on
- Battery life is very short
- No audio or distorted audio through audio jack
- Camera won't turn on
- No audio/distorted audio from internal speaker
- Touchscreen input not responsive
Tablet won't turn on ¶
Your tablet won't turn on even if it is fully charged.
Drained Battery ¶
Before opening your device, make sure the battery is fully charged. If it is, read on.
Device won't turn on even when plugged directly into the wall ¶
Try plugging your tablet directly into the wall. If it still will not turn on, it may have a faulty connection within the device. You will have to remove the back cover and check the wiring. If all the wiring is in place, read on.
Battery life is poor ¶
If the device still will not turn on, the battery is probably faulty and the battery will need to be replaced using this guide..
Battery life is very short ¶
Battery life is shorter than what the the manufacturers specify.
Too many running programs ¶
There may be a lot of programs running, causing battery life to be shortened. Try closing the programs that you are not using to see if this increases battery life.
Faulty Battery ¶
The battery may be faulty and will need to be replaced using this guide
No audio or distorted audio through audio jack ¶
Your tablet operates properly and appears to work, but when you plug in headphones or speakers, there is no audio
Faulty headphones or speakers ¶
While this is unlikely, try your tablet with another set of headphones or speakers to eliminate this as the source of the problem right at the beginning.
Faulty audio jack ¶
A bad audio jack is the most likely cause of the problem and will need to be replaced using this guide.
Camera won't turn on ¶
Camera won't turn on when you select the camera app
Operating system error ¶
There may be an operating system error that is causing your camera not to initialize. Try restarting your tablet and reopening the app.
Faulty Camera ¶
More than likely, the camera in the tablet is bad and will need to be replaced using this guide.
No audio/distorted audio from internal speaker ¶
Volume is turned off ¶
Make sure the volume for the speaker is turned up so you can hear it.
Connected to a Bluetooth source ¶
Make sure the device is not connected to a external Bluetooth source.
Faulty internal speaker ¶
If there is still no (or distorted) sound coming from the speaker in your tablet, it is likely the internal speaker is broken and will need to be replaced using this guide.
Touchscreen input not responsive ¶
Your tablet is not recognizing the touch input on the front panel.
Faulty touch screen ¶
It may be possible that the touch screen is bad. If so, the screen will need to be replaced using this guide.
Faulty logic board ¶
If replacing the screen doesn't work, the logic board will need to be replaced using this guide.