Someone suggested to me that there might be a static charge on the motherboard. They had me disconnect everything from the laptop including the battery and to hold the power button down for 30 sec. After this I reconnected the a/c power cord and pressed the power button and it started right up!
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Windows won't start up? Well, try this Download Tenorshare Data Recovery from its offical site and install it. Burn it into CD/DVD, or USB flash, put into the computer you need to repair, Bios setting.It can make sure your important data will not lose.Best of luck Related: windows won't start
If thelaptop battery is more than 3 - 4 years old then the battery could be worn out.Rechargeable batteries have a finite number of charge and discharge cycles andwill lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up at all. OR Thebattery shows a 100% charge but when the adapter is disconnected the batterydrops off to zero capacity in a very short time. If the battery drops to anunacceptable charge level then the battery needs to be replaced.
It means that your HDD is damage, no good. Need to get another one and reformat your computer. The way to troubleshoot any computer that won't turn on is checking the power supply fan to see if it does anything when pressing the power button. If you see that the fan try to start but stall, then there is a bad hardware install. What I do is take all the hardware out and start the troubleshooting by installing the hardware one at a time. When the computer stop responding after installing one of the hardware, then it means that this hardware is bad. You already troubleshoot the computer by installing the HDD and seeing that the computer won't start.
upgrading the processor on laptop usually not recommended since you won't get too much performance boots from doing that. Adding more memory or larger/faster hard drive would be a better solution. Anyway, to upgrade the processor on laptops normally require you to remove the motherboard to access the CPU.
Does the power cord not work? Did your laptop battery completely die and won't hold a charge? Anything happen to it recently like hardware/memory installation or did it get dropped? No power outages or lightening strikes?
If your laptop won't run the diagnostics ( Holding down the Func key while powering up ) then you need to try and isolate the problem. Something is preventing the laptop from performing POST ( power-on self diagnostics ). Try removing the hard disk drive, memory modules, external USB devices.
Take out the AC power jack and then remove the laptop battery. Plug AC power back in and see if the laptop will turn on. If it turns on let it boot the operating system and then shut down as normal, remove the power cord and reinsert the battery and again see if it will switch on. If it does then there has been a glitch with the battery. If it doesn't then there is a problem with the battery.
If the laptop won't switch on either with or without the battery then there is a possibility that the motherboard has developed a problem.