If your Android tab is not powering / switching on. Then there might be the
no of reasons for this. In most of the cases simple DIY method can bring the
tab back to life. If the tab has some hardware fault then it can be fixed in
repair center only.
Here we are going to state possible reasons which can help you in turning
your Android device On.
1- Remove the Battery
It is possible that your Android device may get stuck in power off mode. This
situation arise because the Android device get basically frozen.
Solution : Remove the battery from the Android
device, wait for a moment, and reinsert the battery and then press Power Key.
It remove all power from the Android device and termed as
Power
Cycle.
2- Long press the power button
Long press the power button upto 45 seconds in order to remove all power from
the Android device. This might turn your Android device ON. If not proceed to
the next step.
3- Charge the Battery
One possible reason if your device is not switching ON from the above steps,
might be your device is out of charge.
Solution : First connect it to charger and wait
for 5 minutes and then try to switch on the mobile.
4- Perform a Factory reset from Recovery mode
If your device get ON and if it get freeze or boot process fail or it
immediately
switch off. Then, there may be software problem. In such case
holding power button for long time may not work. As, these methods are used
when the device does not respond at all.
Solution : This method cost your data. If you
have memory card in your device remove it. Otherwise, it will erase all data
from it and the device will be set to its default state.
Every Device has different key combination for
Factory reset.
See different key combination option
or search
in Google for the combination. After entering in recovery mode, press wipe
data to reset it.
5- Sleep of Death
In this state the device automatically goes to the sleep mode and fails to
wake up. In order to recover from this problem we have to use
Trial-and-error
approach which determine which process works or not.
Solution : The possible solution is to put the
device in charging and then press the power button.
6- May be Due to Dust
One possible reason if you are holding power button and it does not work. Maybe
it’s time to open the device and clean it up with brush or thinner. After
cleaning put it for charging and then press Power key for start.
7- Power button Broken
In this case you can put your device in charging and then press Volume down
button. It will start your device but all the time during starting you have to
perform the same operation.
Solution : Go for its replacement for ease of
yours.
8- Re-inserting the SIM
One possible solution can be if you take out your Sim card and boot the Device
and switch it off and then insert the Sim card. In few cases this method works.
9- Due to carbon
Due to moist in rainy and winter season the carbon occurs very frequently,
specially on the connecting jack, i.e. battery connector, Mic connector,
speaker connector etc
Solution : Clean the power jack as shown
in above video.
10- Dry soldering
If the tablet is kept for long time and not in use. Then in that case the IC’s
or the essential chips, which is attached with the board or the PCB with
soldering gets dried.
Solution : Resold the dried part in order to
work properly.
11- Corrupt OS
The OS may be corrupted which won’t let the tab switch on.
Solution : Install OS
12- Faulty charger
If the charger is not supplying the proper or prescribed voltage and amp.
13- Damaged charging connector
The charging of the tablet may be damaged or loose.
Solution : Remove the power jack.
14- Loose Connection
The terminal connecting PCB and Battery wire may be loose, in order to recover
check the connecting terminal.
15- Charger Connector Point
Maybe, the Gold plated wire inside the connector point has been misplaced. To
sort out, use brush to adjust its position.
