My laptop Dell Vostro 5460 recently got flickering screen problem.

During boot up hard drive spins along with the system fans and LEDs flash as they usually do.

Here are my troubleshooting steps:

  1. I connected my laptop to an external monitor to check if the problem is with the screen. But external monitor didn't get any signal from my laptop.
  2. After that I realized that while starting up my laptop is stuck at dell startup logo. I tried to get into BIOS and it was successful but couldn't do anything in BIOS as I couldn't see anything clearly.
  3. I opened up my laptop and and did a hard reboot but taking out the laptop battery and pressing the power button for 30secs. But no use.
  4. Connected back the battery and took my laptop internal HDD out of the laptop to check if its still stuck at dell logo at start up, but it wasn't. It passed dell logo and shown a error message.
  5. I checked display connection to the motherboard. Disconnected and reconnected. But no use.
  6. Removed the CMOS motherboard battery for few secs and placed it back. But no use.

Click here for Video: Stuck at dell startup logo when HDD plugged in

Click here for Video: Boot pass the dell startup logo when HDD unplugged

Please help me find the problem in my laptop. Is it a motherboard problem? Or HDD problem?

  • It's probably the screen going bad. Depending on its age, you may want to look into replacement. – Kaizerwolf May 8 '17 at 13:06
  • @Kaizerwolf if its screen problem when you connect to an external monitor it should work, right? – Alwyn Mathew May 8 '17 at 13:08
  • If the external monitor doesn't get a signal from the laptop, that port could be busted too. Or it's possibly a motherboard issue. With hardware seeming to play such a large factor in this question, our troubleshooting is limited, and you might find it in your best interest to contact Dell about this. – Kaizerwolf May 8 '17 at 13:53
  • @Kaizerwolf if its just screen and port problem, why is it stuck at dell startup logo? – Alwyn Mathew May 8 '17 at 14:03
  • See my previous comment, "or it's possibly a motherboard issue". At this point there are any number of problems with it, and again, you might find it in your best interest to contact Dell about this. – Kaizerwolf May 8 '17 at 14:18

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