It is annoying when the screen flickers. I have been researching on this issue and came across few steps which might be helpful. 1. Reseating the WIFI card. If you are comfortable please refer to the following links: https://support.dell.com/support/edocs/systems/ins14z/en/om/minicard.

Hi There is no display when I switch on my Inspiron 5010 pappy. It simply give 8 beeps n repeats it again n d screen remains blank ie powerless. Plz help on this issue like I m confused wht hardware problem is it. Is it d ram or the display.... Plz assist ASAP for d same.

The issue happened when I used a new updated WPH bios file to update my laptop and graphics card. I've been using an official Phoenix Winphlash64 utility. I didn't like it and decided to roll back to the old one which has been created using the same Winphlash64 utility automatically.