Dell m01m tablet

Hi yes the problem using different chargers polarity can be positive & negative. On the male plug or it can be negative & posative ....also they can be AC CURRENT OR DC CURRENT U NEED A MULTIMETER TO TEST THEM ...OR ITCOULD BE a fault with the tablet or the Charging socket .,cheers

battery has gone to very low,,,,try a new battery & enjoy

Had the same issue just two months after buying mine last year. It must be a very common fault with these tablets. I think you may just be covered for one year, but go back to where you bought it and they can either send it away to be repaired or fix it instore. It is something to do with the charging connector inside the tablet being loose. Since it is not a big 'repair' to fix, they surely should do it free of charge.
My son-in-law, who knows these kinds of things, says that it can be repaired easily be anyone who can open the tablet corrrectly.
Good luck!

more than likely it's going to be one of these two things. Number 1 the battery is going out. Number 2. check the charging port to make sure that the their separation between the connectors. If there's any damage on the charging port or the plug, you could be cross wires and causing it to overheat. If the charge port and the plug look fine, check Amazon.com for battery a replacement. you will have to change that yourself but you find a real cheap price saving from 5x to ten times the cost of the battery as to have some else replace it for you.

Dell streak mini 5 hard reset
Try this

Is the charging component something that has been plugged into unit while you are using it? I ask this only because a lot of times what will happen is the connection walls inside the unit to be charged will become "not snug" or stretched if you will. Making it difficult for both the positive and the negative aspects of the charger to do it's thing. No connection = No Function. Basically ask yourself if you are using the unit and moving it around quite a bit while it's charging, AND did it just recently get tangled up or drastically tugged out in an usual or accidental manner. Worth looking at.
Hope This made sense and helped a little.

Is your battery removable? Try removing the battery and then plugging in the tablet. If the tablet runs on only the AC power, then your battery is shot.

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software update

I can't charge my sell streak 7 (no orange and green color appear when plug in) moreover the unit can't turn on also.

I tyr hard rest also but no response at all

would you please suggest me how to do it