Dell splash screen pops up arbitrarily

Question

While working on my 5 year old Inspiron desktop, the Dell splash screen (the startup one, NOT the support assist one) pops up for a few seconds, then vanishes and whatever I was working on reappears.  Not damaging, but annoying.  Happens no matter what I'm doing and follows no pattern that I can ascertain.  Just started happening in the last couple of weeks.  Anyone else have this problem?

RoHe · Answer

Always include exact PC model and version of Windows in your posts. When was last time you replaced the motherboard battery?

lancejay · Answer

Sorry for the omission, Ron, I'm new to this board. My pc is an Inspiron 3650, running Windows 10, v. 1909. And, I've NEVER replaced the battery.  I'll look for it and replace it.  Thanks.   Lance

RoHe · Answer

@lancejay - No problem. We need to know that info because different PC models and versions of Windows may need different fixes.

The Service Manual gives instructions on replacing the motherboard battery, starting on page 50. It's a 3-volt CR2032 lithium ion coin cell battery, ~$2. If the battery hasn't been changed for a long time, then that's frequently the first place to start and, if nothing else, you rule the battery out for just a few dollars.

Here's what I'd do:

Reboot and start tapping F2 when you see the Dell splash screen to open BIOS setup
Copy down all current BIOS settings, to be safe
Power off, unplug
Press/hold power button for ~15 sec
Open case and note which side of motherboard battery is up, usually + is up
Remove battery (check Service Manual for details)
Press/hold power button for ~30 sec
Install fresh battery and gently make sure it snaps in place
Close up and connect mouse, monitor and keyboard
Reboot

Let us know if that solves the problem or...

lancejay · Answer

Thanks.  I'll give it a shot.

lancejay · Answer

Haven't had a chance to work on it yet, family emergency.  Will post when I try it.

Inspiron Desktops

Dell splash screen pops up arbitrarily

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