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Leave it alone!
If it ain't broke don't need fixin..
With all that said..
Take a vacuum cleaner and put the hose on the blower side and stick it in every opening on your note book and blow the dust out.
very first thing u have do is if u have any other laptop try and connect the aac adaptor with that laptop and also try the battery if it is working with the other laptop that means the motherboard of the computer has gone bad u need to replace it and what also u can try is disconnect the ac adaptor and take out the battery from the laptop and the without ac adaptor and the battery press and hold down the power button for one minute and then connect the ac adaptor and put the battery back in and then try and turn on the computer and also what u can do is shut down the computer first and then just hit the power butoon once only to turn it on and then keep tapping f8 key on the keyboard and it will take u to windows advance options and select safe mode with networking and then try if it turns on to the windows screen or not......and if it doesnt turn ono then definately replace the motherboard...good luck....
This is just an easy problem... what you'll have to do is follow this steps
Step 1: If you have manual of your computer it is better.. restart your notebook, press and hold the key to boot in BIOS setup... try pressing this key F1, F2, Delete or F8, because some laptop and notebooks have different method of going to BIOS.. you will know if it is BIOS Configuration because it has a BIOS Settings at the Title of the screen.. now go to Power Management or Power Monitoring.. you can find the Fan option there.. because you change the fan of your notebook, it detects that the Fan that you installed is not standard with the note book.. go to step 2.
Step 2: Now when you find the fan option try to set to ignore the fan RPM and The Voltage that is uses... if there is... then save your settings by pressing F10 key and wait for the notebook to start normally.. if the notebook won't start normally, then go to step 3.
Step 3: In this step you'll have to Start in Safe Mode.Restart your notebook, while booting press the F8 key then a boot menu will show in your screen.. if there is drive selection, choose the hard disk drive.. if none then proceed in selecting the Safe Mode menu.. wait until its done booting your windows in safe mode.. after have complete run in safe mode.. properly restart your notebook by going to Start>Turn Off Computer> Restart, and it will boot in windows normally...
I have a Compaq Presario 2210US. The wireless toggle button is in front on the right side, slightly under the top of the computer. Feel for it with your fingers or use a flashlight. It glows a bright blue when on.
this problem should have 3 possible culprits. 1. ac adapter - it could be shorted. if you can find another working ac adapter and try it in your system the better. 2. the motherboard. 3. LCD. does this computer still has warranty? try calling their support and see what they say. if this doesnt have warranty anymore, then try to find another ac adapter to narrow down the issue.