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Re: laptop will not power on
Shutdown the laptop Unplug the power supply Remove the battery Plugin the power supply Turn it on If it works then the battery is shot and needs to be replaced Still doesn't come on replace the power supply If you replaced the power supply and it still doesn't turn on, then the you'll need to get it service as the motherboard would have to be replaced.
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If the adapter is OK thenconnect it to the laptop and power it up, then look at the power/batterycharging LED light and wriggle the power plug in the laptop's powersocket. If the power/battery LED light flashes and in a certain position thisLED light stays firm, then the power socket is either faulty or it has a drysolder joint where it is connected to the motherboard.This can be repaired but itrequires the laptop to be completely dismantled to get at this power socket andrepair. If you cannot DIY then I suggest you get a quote first.
Laptops are so integrated that usually a system failure that involves power issues such as in your case where you cant get it turn on with anything on the screen mean the mainboard (motherboard) is damaged. This usually leads to buying a new laptop or paying for the board to be replaced which usually costs as much as the laptop.
the adaptor may be out it may not be supplying power to the laptop power supply circuit
the power unit circuit in the notebook may be out
the motherboard may be down...
only tech shop can fix it...
The fact that the LED light on the power supply tells me that its receiving power, look where the AC adapter goes and check the pin to see if it is loose, this sounds like feedback from the computer causing the power supply light to dim or go out
Can you give a little more information? Did the Laptop Fall? What Color is the light that blinks? Amber or Green? So far it Sounds to me that you Power Supply is Dead or Bad and or not charging the Battery....
First Check the battery status light? Is the Power Supply Light (Lite). you might want to try removing the battery and using only the Power supply!
Sounds like it is asking for the power supply to be plugged in before it can start, which indicates a bad Battery, if you are allready plugging in the power supply unit, you may also have a bad or wrong power supply unit,(check that it is set too the correct voltage setting for your country too either 120V or 240V.)
Possibly you know someone with the same working laptop so this can be verified by using thier working Battery/powersupply unit or as an alternative can both your battery and power supply unit be taken to a computer or electronics outlet store for simple bench testing before deciding on replacement.
Lastly it may be a powersave mode or setting that has been activated before the last shutdown in this case press and hold the power on switch down, until all the lights go out. Leave it turned off for 30 seconds and restart. Press the esc or delete button on startup (before any screen info comes up)and adjust the power save mode setting in this systems bios.