AC adapter not recognized except if computer is off

This problem just started yesterday afternoon. I have a Tablet PC: HP TX2000z, running windows Vista 64-bit. The power adapter is not frayed and seems not damaged in any way. The computer is 3 years and of course just out of my warranty of 3 years.

The problem is the following:

When the computer is turned on, it runs only on battery even if it is plugged. Unlike other problems, I found on this forum and in the research online, my computer does NOT say "plugged in, does not support" or whatever it is, on the contrary, this indicates that the power adapter is not plugged even if this is the case, then it runs only on battery power. If I put in hibernation, put to sleep or completely shut down the computer off, then the charging light lights up and the battery starts to charge. Unfortunately, this fact led only remains as for 1 minute at maximum or sometimes less, it moves offshore for 1 or 2 sections, then turns on again for another 30 seconds or 1 minute and repeat this process. The flick off and then illuminating doesn't seem to be in a regular pattern and does not seem to be affected by my chaning the position of the adapter or turn the cable or connector. This slow situation means that last night when I left my computer to charge, and he was about 40% of the remaining battery life charge, he had only 57% battery life when I started my computer this morning about 9 hours later!

If I remove the battery and try to start the computer running only on the adapter, the computer does not at all depend on. I already cleaned the connectors and did not notice anything that might have been in the way, and has contributed to this problem. I try to go to a store that sells the adapter to see if a new adapter could solve the problem, but the fact that it imposes only the battery when the operating system is off makes me think that this isn't a hardware problem.

Any suggestions?

Thank you for your answer!

When I tried the adapter of the work of my friend, I had no problem. So thankfully, he seems to have been just an adapter problem (it took me three years, which seems pretty good). I ordered a new adapter and will have no problem now!

Tags: Notebooks

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