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Re: My laptop will not turn on
When the system doesn't light at all, it indicates a failed component on the motherboard. Check the jack on the computer to see if it's loose or noticeably broken. If not, thenyou will need to take it in for a professional diagnosis in order to track down the exact problem component.
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Since your TV was struck by lighting, the power supply is the first board that gets affected by the sudden change in AC power.. The main board is the next board due to the fragile components and the excess of voltage that is supplied to it when the lighting happened. Since you have replaced the power supply already.. I would suggest to replace the main board and that should restore the functionality on your TV.
from the web - 1 Removed the battery 2 Removed the AC power 3 Plugged in the AC power again Note:- At this point the light from flashing amber light to solid green indicating AC Power 4 Plugged in the Battery Note:- Solid green AC power light and Amber charge light
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.
Is there a green light on your power supply that plugs in the wall? If not, the power supply is dead or there's a problem on the motherboard.
To troubleshoot, unplug the laptop from the power supply, unplug the power supply from the wall. Now, plug the power supply into the wall, you should see a green or blue light. If there's a plastic spot for the light but no light is coming on, replace the power supply - better to try a known working on before spending the money on a new replacement first.
If there is a light, plug it into the laptop. If the light goes out when you plug it in, there could be a motherboard problem and the board needs to be replaced or the power jack is damaged and you need a professional to replace it.
If the light is on the whole time, but laptop does not turn on, this could also mean that the board is still bad.
Regardless if it doesn't power up with a good power supply it is usually a motherboard problem and the board needs to be replaced.
Check with dell to see if its under warranty and they will send the parts needed and a tech to replace if it is. You can also ask about purchasing a warranty so your money is better spent to keep your laptop alive and put it towards something useful for the lngevity of the system instead of just paying for the part and a tech.
Looks like your power supply's failed. The green light on the back of your power supply is just a neon light that just confirms that the power lead is OK, it does not relate to the status of the power supply! Try powering it up with another power supply, or replacing the power supply.
your power supply must be exact and both power connections to the motherboard must be connected. the green light will come on if voltage is supplied but will turn on a low voltage alarm which is a buzzing sound. or it just wont do anything
Disconnect the AC adaptor from the laptop and remove the Battery pack from the Battery bay. Then, remove the RAM module and reinstall it after cleaning the RAM slot. Next, connect the AC adaptor to the laptop then try turning it ON. Please make sure that the AC adaptor is connected to a functional wall outlet. If the laptop still doesn't turn ON then you may try cleaning the Battery bay and the metal contacts in the battery compartment then insert the battery and try turning ON the laptop. If the laptop still doesn't turn ON then the issue is with the power supply unit.
I am having a hard time finding the manual for this older laptop, but, there is always a power button somewhere on the laptop itself, on the side, front, top of the keyboard, push everything and anything till you find it. Just plugging it in will not turn it on.
Could be either one, or it could be the toggle switch.
Start with the easiest first to check. Unplug the power toggle switch from the mainboard and take a screwdriver or something and short out those two pins to see if it starts the pc. if it does, then your pc case switch is just bad.
If that's not the problem, check the power supply next.
Jumper the ATX 20 pin power cable's green wire to any black, just to make sure the power supply is working. The fans in the power supply will turn on along with anything else hooked up.
To jumper the power supply use a section of wire or a bread twisty (with the insulation removed from the ends) and just connect the green wire to any black wire on the 20 / 24 pin power connector. Make sure that the power switch on the back of the power supply is switched on.
If neither of those seem to be the problem, then most likely it is the motherboard or the processor.