Screen touch problems when you use the converter

We just bought an Envy 27 tilt to our Caravan for all the good characteristics that HP has and TV

Cause sometimes will want to run the HP converter 12v 400 watt true sine wave.

We tried this to find a problem, the computer functioned well but the touchscreen ran a muck and did not work as usual.

So after much googling and some reading I'd like here to answer fo HP.

As I can't believe, I'd be the first to come on this problem and want to put it all in one in a motor home.

What I read, it could be a matter of dirty power of the inveter, but we thought we have purchase the best brand true sine wave, we could leave our guys of battery here in Australia.

Any advice would be received with gratitude.

Thanks Lou, first of all for your time and on the other hand for your thoughts and advice.

We have it finally working outside a performance of the inverter with number.

But I have to say without any worthy of official telephone hotline support of HP.

Lou, I'm working through several of your suggestions, pending the official response to my survey on what brand or type of UPS or UPS I should use with my desire to tilt.

Well, it is very sad that a massive company like HP with what you would think would be a very large R & D service, cannot answer a simple question, like what type of UPS or UPS if they recommend to work with the touchscreen of the tilt.

The poor people, I was talking to, had no idea what I was talking about, or what I was trying to do. How a computer call center peason knows not what a UPS, I can understand on an inverter, but the tech people, these are things really very similar in the different boxes.

OK, if you have this problem with your inverter and touch screen, first of all not all inverters are equal even in the same brand that I discovered. I want to thank my provider inverter & battery for their time and for allowing me to put in place the HP Envy of tilt on the back of their store and try different UPSs, inverters and batteries.

I'll talk about brands here, not rat on the brand, but as it may be useful to someone else in Australia in the future. It seems that my "Epower DCAC 400w 12v true sine inverter" wasn't at the height when it came to clean AC power required to operate the touch screen without problem.

In the end, we tried a "Epower DCAC 1000w true Sine Wave 12v', really just to give it a go, thinking it would be a better to be the same brand as the unit of 400w, well it worked quite OK

This unit of true sine wave Epower 12 v 1000w, fixed our problem with touchscreen and ran HP Envy tilt as if it is running on AC power.

If anyone is interested for camper here, I found this configuration to draw between 4 and 5 amperes of batteries of 12v and about 41 Watts @ runing 240 volts a you tube clip.

Well it is my experiences and the final result, I hope this helps someone else in the future, I'm sure that HP will not be able to.

Thank you all.

Tags: HP Tablets

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