Re: will not boot up or turn on though it is getting...
Disconnect the AC adapter and remove the battery, then press and hold the power button for 10 seconds. Connect the AC adapter but don't install the battery. Press the power button and see if the laptop powers up. If it does not power up, test the AC adapter output voltage with a voltmeter or try another AC adapter that provides the correct voltage / amperage. If the laptop powers up with only the AC adapter connected. shut it down, disconnect the adapter, and install the battery. Then connect the adapter and try to power the laptop up again. If the battery is completely drained, you may have to let it charge for a while (10 to 30 minutes) before the laptop will turn on.
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Which ever way round you plugged in should not have resulted in what happened.
You should have a green light on the adaptors case when plugged into the mains weather it's plugged into the laptop or not, if not check the plug fuse.
Is it the correct adaptor for the Laptop? TO CHECK look at the underside of the adaptor the output voltage and amps should be the same as on the base of the Laptop.
Hold the power button down for longer than 5 seconds to ensure the Laptop is off.
Remove the battery and try with just the adaptor plugged in ONLY if its the same output voltage as the laptop.
Remove the memory stick and replace then try and boot again this can sometimes reset the computer.
Leave the adaptor plugged in with the Laptop off to try and put some power in the battery and then try with just the battery.
I have a feeling the adaptor is faulty and it was coincidental that the laptop switched off as you plugged it in, I think you just ran out of battery power.
If in doubt get an electrical shop to test the adaptors output.
I have several 19.5V, 3.34A LAPTOP AC ADAPTER FOR DELL PA-12 KA04A
Can you tell if your AC power cord is working? (Is there a light on the computer that comes on when it's charging?) If the power pack went dead, your battery could've died and now you get no power to the PC which is why it won't boot up.
To test, take out the battery and plug the AC cord in and try to boot up. If nothing at all happens without the battery, then your power cord or power pack is dead, and you just need to replace it.
Four possibilities come to mind. 1. Your power supply is bad and the battery ran down. 2. Your system board died. 3. You have a bad device plugged into a USB port. 4. Your battery is bad and holding down the AC power. To troubleshoot, disconnect all external devices, even remove the CD drive if possible. Try to boot. Next, boot with just the battery. Next, boot with just the AC supply. That's about it. If you still have no power at boot, it is the system board.
First of all, what I'm about to tell you are general troubleshooting techniques - I make no claim that they will fix what you describe, but they may help lead you to a solution.
Unplug the AC adapter and remove the battery
Plug in the AC adapter and attempt to power on the laptop
If it doesn't power on, see #6 below. If it does power on, but doesn't boot the OS, restart - pressing [SPACE] as the first Windows splash screen appears. When prompted, choose to delete the hibernation file and start a system boot.
Shut the system down, disconnect the AC adapter, reinsert the battery, and attempt to power the laptop. If it doesn't start we know, at the very least, there's a battery problem.
Plug in the AC adapter. If it shuts down immediately, or won't power back on after a shutdown. . .
. . .there's a problem with the system board, probably the ciruitry associated with charging the battery.
Sounds like it was already shutting down or going into standby when you plugged it in.
If this is the case, remove the AC adapter and battery then press and hold the power button for 30 full seconds. This will break the stuck power cycle it's in. Once you've done that replace the battery, plug the power in and turn it on. It will most likely give you an error regarding either not shutting down properly or not being able to load the hibernation file. In either case acknowledge and disregard the error then it should boot back up normally.
If this doesn't work, respond back here with whatever additional info you can and we can persue the other possibilities.
Check to see if the monitor shows up in the device manager.
Right click 'my computer'
click 'device manager'
look for any yellow question marks beside the 'monitors' heading.It is possible there might be a loose connection. You should take it to a shop (unless you comfortable dismanteling your laptop) and have them check it out.
I hope this helps. Let me know how you made out, and please rate my answer.
remove battery and try ac-power if laptop boots up then battery need replacing but if no laptop bootup then take it to be repaired and tell the tecnition what happened and he or she will try other options to get you going again.
good luck on problem.