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Recently, my Dell Inspiron Windows 7 laptop has been encountering this odd issue.

So here is how a typical "boot" goes:
I hit the power button, and then three lights turn on in this order:

1-2-3-2-1+2+3

Usually, the second 2 light signals the boot of the BIOS if it stays on longer than the other lights. But most of the time, it does not boot the BIOS (or load Windows). I am then left off with a black screen, no sounds.

So basically, my computer has turned into a box of lights that sometimes boots Windows 7. It usually takes anywhere from 15 minutes to almost 5 hours to load up the BIOS, and it seems to be total luck. Anybody know what could cause this, and what the solution is?
 

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Start the computer and press F2 to enter Setup (Bios) in the General section it should list your HDD, if it is not listed, then the HDD has failed and needs to be replaced.
You can also press F12 at bootup and run the Dell Diagnostics to test HDD and RAM.
 
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