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I have Dell Inspiron N5010. 3 days ago I changed hard drive of my laptop. But now I am facing one problem with my laptop.

When I try turning it on, the screen is black and all I hear is a few beeps.

It is black all the time.

Is there a problem with the hard drive or other software/hardware problem.?

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Is there problem with hard drive or other software/hardware problem?

Beeps indicate a hardware problem that doesn't include a Hard Drive issue.

You need to count the number of beeps and then check the following table:

enter image description here

Most Common Fixes:

1 Beep:  Replace the motherboard / system board.
2 Beeps: Reseat the memory or replace the memory.
3 Beeps: Replace the motherboard / system board.
4 Beeps: Reseat the memory or replace the memory.
5 Beeps: Replace the CMOS battery.
6 Beeps: Reseat or replace the video card or replace the motherboard / system board.
7 Beeps: Reseat or replace the CPU or replace the motherboard.
8 Beeps: Reseat the LCD cable or replace the LCD screen.

Source Dell Inspiron 15R (N5010) Beep Codes Diagnostic Indicators

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