HP laptops are well known for motherboard issues, and will usually involve a replacement board, at this point have it checked before a decision is made.
If you want to keep your important data, use some softwares can solve the windows won't start problem most quickly, and no data will lose. Besides, it is very easy, even the people who lack of computer knowledge can deal with it.
I have came across windows won't start in safe mode issue before, and now I can help you how to do.
If you have a Windows Installation DVD at hand, you can do as below:Step 1. Insert the DVD into your detective computer and reboot; Windows Error RecoveryStep 2. Set language, time and keyboard;Step 3. Click "Repair your computer";Step 4. If you have more than one systems on your computer, choose the one you want to repair;Step 5. Click "Startup Repair" to start restoring your Windows;Step 6. After startup repair is done, you need to take out the DVD and reboot the PC.
More info, visit:windows won't start
SOURCE: IBM -t21 does not boot (all the time)
I am wondering about the environment in which you normally use this unit, which is heat sensitive, and
which, after it cools off a bit will work as you say after it is allowed to dissipate heat after use.
Make sure the space in which it used is not overheated and preferably air-conditioned. Try to maintain
room temperature of 68 degrees Fahrenheit or lower down to a minimum of 40 degrees.
SOURCE: C500 Laptop won't come on power button just flashes
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/
SOURCE: HP Pavillion dv6700 - black screen
Do the following without the battery inserted.
Let the computer sit with no battery for 24 hours. Do not put the battery in at all. Try using your original memory stick ONLY, with no hard drive and see if it will POST. If it does, insert the hard drive and try again. Could be the new memory...
Another thing you can try is reseating the processor. Turn the ZIF screw, take the processor out (WATCH THE PINS!!) and put back in GENTLY. Leave the memory in the computer, hard drive removed, try to power on.
These models have been known for bad motherboards. Contact HP and arrange to send it in. If you do enough digging on HPs website, you'll find the service advisory.
-Dell & HP Certified Technician
SOURCE: Hi, I'm having some troubles
If its acting up and its brand new I suggest taking it back and getting a new one
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