When I plug it in power source the two lights on front blink every 5,6 seconds but nothing else happening , at this time battery has been removed.Also there is no sign of life on screen ,or fan noise that was usual at the start up. Please help , somebody???
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1. Disconnect anything that is connected to your laptop. Usb Flash discs, External HDDs, Wireless Devices using dongles etc.
2. Make sure that your device does not receive any power i.e. Disconnect your ac cable, and remove battery from your laptop.
3. Hold down the power button for 5 seconds. This would drain remaining power from your laptop. But as the power cable and the battery are disconnected, you should not expect anything to happen.
4. Identify where your RAM is located under your laptop. Unscrew the cover off, then remove the RAM from your laptop. Replace the cover temporarily.
5. Flip over your laptop. Connect your power cable to the laptop, NOT THE BATTERY NEH! Then press the power button. Sometimes your laptop will make long beeps to let you know the RAM is not inserted in your laptop. But nothing will happen on your monitor because it needs RAM to show you something.
6. After those beeps, remove the power cable. Press the Power Button to drain remaining power on your laptop. Flip the Laptop and replace the RAM you have removed earlier.
7. Insert your power cable and try restarting your laptop and see what happens. I am sure by now you should have some response on your laptop monitor.
NB: While performing the above mentioned, remember PC or Laptop parts are delicate. Even static electricity can damage them. Thus before handling your laptop components, make sure you touch the wall or any large metal subject from time to time to discharge the static. Wear 100% cotton cloths as you are working on it. Bare feet even better to discharge the static
Try holding down the power button instead of just pushing it. I had this problem with my HP dv7 and holding the power button down for around 5 seconds worked for me. Also make sure that its plugged in to a power source.
Is it trying to boot up or is it doing absolutely nothing when you plug in the power cord and hit the power button?
When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?
When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.
Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.
Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.
Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.
We will see if the problem is due to the static charge accumulated on the laptop. Disconnect the power cable from the laptop and also take out the battery. Also, disconnect all the external devices attached to the laptop e.g. external mouse, keyboard, printer. Now keep on holding down the power button on the laptop for the next 30 seconds. Put the battery back and plug the power cable. Now try turning on the laptop and let me know if it works. Thanks!
Have you had previous problems with your laptop power supply and battery? I have this same laptop and use it very regularly. I do have problems with battery life, but never actually powering on. I suspect the battery is not accepting a charge. My suggestion is to replace the battery and see how things go.
Have you tried attaching an external monitor when the LCD screen is disconnected from the motherboard? this connector is located under the keyboard strip – a piece of plastic just above the keyboard. If it works, this way, then the video cable isn’t seated properly in the connector on the back of the screen.Plugging the video cable back in should fix the problem. I don’t know how comfortable you are with taking apart laptops but I think that this information could be useful for you. Source: http://www.asklaptopfreak.com/laptop-notebook-help/2006/08/08/laptop-powers-on-and-shuts-off-immediately/
ok well there is somwhere to start i would see if you can get it to take a charge ok and if it does than try to start it without the ac power on and see what it does if it wont take a charge your battery may be bad or your charging circuit may not be connected correctly ok lrt me know best regards mike
If it's blinking 9 times then it's likely telling you one or more of the RAM sticks are in need of replacement.
To check these, remove the laptops power cord and battery, then locate and remove, the cover for the RAM.
Remove one chip at a time and try booting the laptop.
This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source.