How to fix Dell BIOS 8 beep error.

In this post I'll  fix a Dell n5110 laptop that beeps on start-up but nothing comes on laptop display screen. This post will also help you to fix the same problem other Dell laptops.


The beeps that come on start up that is a POST error generated by the BIOS.

I download this table form the Dell support site in this table dell defined the cause for problem as the number of beep codes.

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How to fix USB port if still not working after tried everything with Windows/Mac and BIOS settings also.

A
common problem that arises for computer users is dealing with the USB Device
not recognized error. This error is thrown after an USB device is connected to
the computer but is not automatically detected.
When the error occurs, the Windows Device Manager may also list the component
as an "unknown device" depending on the type of error.

Or
the Laptop/Desktop completely unable to detected any

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