Having problems with your Dell Inspiron 1721 Notebook ?

Turn power on ( plugged into mains) blue power light comes on fans whirr slightly but no screen comes on then fans start quietly but still nothing


Answers :

Or try hooking a VGA monitor to the computer. If you get nothing, try pressing the function key and the F8 (On my system) to activate the monitor. I fthis does nto work then it might be a bad motherboard. Otherwise if this works then you might have a bad display or back light power supply. If it is the Back light supply then you will be able to see a faint image on the screen. If there is no image them it may be the screen. Note: If the back light supply is working you can see the screen change from full black when off to slight glow when powered on, especially in a darkend room.
Unplug the battery and only hook up the ac adapter. If you don't get video then take out the memory and reseat it one memory stick at a time in each slot one at a time and make sure you try turning on the laptop after each stick reinsertion.

If that doesn't work, take out the hard drive and dvd drive and see if you get video.

If your not getting video after all of that then the motherboard is bad and would need to be replaced.

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