After shutting down the laptop yesterday, the computer will not start back up. On Start-up using AC adapter--(Same power supply as used for over 1 year), the only activity that happens is that the computer beeps 2 times when pushing the power on button.
All of the indicator lights light up as normal except for the power on light--(the light on the power on key)
This light just blinks off and on.
On normal conditions, this light stayed on all the time when power up.
I have unplugeed the power cord, removed the battery and pressed the power key for 1 minute to discharge the unit and applied power again.
But the same reults.
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is the computer dissipating excessive heat from bottom ? is the heatsink fan working (is it blowing out air from fan on the side ? if not, then replace the heatsink fan. This shut down occurs to advise you that something is not working well , and to avoid damage to the CPU and/or mainboard, its letting you know that.
if the fan is working fine-- are you on the computer while the AC adapter is NOT plugged in ? Are you fully charging the battery before you use the notebook without the AC adapter ? If you are NOT using the AC adapter, running on battery life only, then do this : shut down the notebook, disconnect the power adapter, remove the battery back up from rear of notebook.
reconnect the AC adpater and start the computer -- perform normal function on the computer, run it and work with it for a few hours. if the same issue occurs, (unwanted shut down) , then perhaps the AC adapter is faulty, which is not charging the battery to full capacity.
let me know what happens-- i'd appreciate your feedback w/o receiving bad rating
There could be a few possibilities here, first the ac adapter needs to be checked for voltage at the tip, it has to be between 18.5 and 19.5 volts. The battery is most likely dead or has dead cells which will not carry a charge. The third problem could be the motherboard. Try leaving the battery out and just run the laptop off the AC adapter....if the laptop runs fine , then the battery is bad and sending signals to the motherboard causing a shutdown. If the laptop is still shutting down or refusing to start, then there maybe a problem with the voltage resulator in the charger brick. If the battery and charging brick are in good condition, then the laptop may be getting a thermal shut down signal from the processor because of an overheating condition. The processor heats up immediately, if the laptop has been run overheating for some time, the thermal grease on the processor can be cooked off reducing the efficiency of heat bleed off, thus causing a shut down to protect the laptop from a terminal meltdown. Try using compressed air and blow out all the ventilation grills and compartment openings to clear out debris, hair and dust.
All Dell laptops have a similar design flaw (in my opinion). The socket where the power cord plugs in to the laptop is probably loose. Use a toothpick or something to check it. Don't use anything metalic. If the socket moves easily then it has probably come loose from the motherboard. You may want to take the laptop to a computer repair shop to have the power socket soldered back to the motherboard. If you have the knowledge you can do this yourself but I don't suggest it. Laptops have a LOT of small parts. Hope this helps! Thanks!
could be the ac adapter, battery dead, first check them. if you find nothing there then it could be internal problems. if you know someone who has a charged battery try using it in yours. also try removing the battery and only using the ac adapter only.
remove the primary battery and plug the computer into an AC outlet using the AC adapter. If the computer starts up, one of the batteries need to be replaced. If the battery light on the of the comoputer is blinking, the battery has reached a low batery level, which may not allow the computer to start up. Plug the computer into an AC outlet using the AC adapter to start the computer and allow the battery to charge.