My HP pavilion a620n won't power back on when I push button on the front, there is a little green light on the back that went off when I unplugged everything attached to the back. Could this be a bad on off switch? Just turned it off while on vacation and now it won't turn back on.
It could be a faulty switch or the bad lead connections MOTHERBOARD TO THE HARD DRIVE make sure they have secure dust free connections and are not faulty if its a flat ribbon 40pin ide this will be the first to fail
test all power and data leads that attach to your hard drive IDE SATA
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure dust free connections
a computer needs power and data to travel through every working device and continue its cycle and have a finishing point so any faulty leads will end up with a computer error
make sure the CPU has a secure dust free seating with thermal paste
make sure your ram modules are securely seated with no dust in the sockets also the Cmos battery has charge with no dust in the socket
on some motherboards cmos batteries are soldered in
hope this helps
SOURCE: Power doesn't turn on
Your answer might be here:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&lc=en&cc=us&dlc=en&product=431078&os=228&rule=21100
SOURCE: hp wont turn on flashing green light in back an flashing blue light in front.
open your cpu remove the ram clean it put it back your problem will be sloves
SOURCE: HP computer doesn't turn on
Your power supply is bad--you will need to replace. I suggest looking at tigerdiect for a replacement.
SOURCE: HP Compaq Presario SR1820NX will not turn on
i worked for hp and compaq it is well known issue to reslove this issue
1#turn off the computer and uplug the power cable from the computer and then hold the power button for 20 second then turn on the computer and the momment you back to desktop screen
go to download driver from hp site and here is the web site http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-43507-1&lc=en&dlc=en&cc=ca&lang=en&os=228&product=1841849 and restart the computer .
SOURCE: computer wont turn on
i had the same problem its going to be your power supply it probably burned out. when i changed mine it worked perfectly.
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