The Raspberry PI comes with no operating system or case (easily resolved) so it is not an 'out of the box' working machine... Plus no HD port... But that will come.....
This mini PC has come out from China running Android 4.0. You plug it into a HDMI cable and then into the back of your TV and you turn it into a PC, all you need is a wireless mouse. It looks like it has beaten the Scandinavian Cotton...
Take battery out and unplug the AC... Reseat the wifi card and reconnect the cables too it... There should be two, gray or white and a black one. Put the black one on the number1 socket and the gray or white one on number two. If that...
Reballing is a really tricky job, you need the right kit to do it, ie a heating machine and templates... If you get it reflowed correctly and it works, it should last (look for a pro company that does a 'no fix no fee' type of job..)..
Took over 30 minutes on my iphone with no charger connected... Took less than 5 minutes on ipad with power lead connected up... My advice, connect it to charger before updating....
Yes give more info, but things to try:
1) Remove the battery and AC supply, press and hold the power button for about 20 seconds. Put the AC back in, but not the battery and see if you get going...
2)If no 1) fails, try reseating the...
From experience, a lot of HP's do come into the shop, but they are a very popular brand and at a reasonable price, compared to Samsung, Toshibe, Sony and apple products etc.. Most repairs on them are a faulty DC socket and on the nVidia...