Inspiron 3847 booting problem. The DELL logo flashes briefly on the screen and then a blank screen. Powering on and off many times, the Dell logo...

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Please try to take the memory out and insert the memory back in to see if this is cuasing the issue.  Many times this error will be cuased by either faulty memory or if the contacts on the memory chips are dirty

Did you try to clean the contacts on the ram with some alcohol and maybe a cloth?

One moment while I try to find the solution and I am sorry to have kept you waiting?

May I have the service tag number of the unit.  Should be on the side of the tower?

One moment please?

Have you tried to reinstall windows?

Also, do you here any clicking noises coming from the original hard drive?

Have you tried to update the bios?

One moment please?

Not yet. Let me narrow down the problem to make sure first.

When the computers starts up, with dell computers sometimes there are beeps codes you will here.  Does this computer make any beeping sounds at the boot up screen?

One moment please?

One moment please. Sorry to keep you waiting?

This is a hardware issue for sure.  Can you look inside the computer on the motherboard and see if any of the cylinders on the board are swelling another words if any of those are bad they will swell up and look bigger than they should be?

Can you try just ssd and reinstall Windows 10 and see if this will stay running. Also, in the bios please make sure the bios is set to AHCI mode on the hard drive controller?

Just one ssd please?

Also what can be an issue is the power supply.  Stock power supplies in the tower may not be enough wattage to run all those hard drives and can cause boot loops like this.  Can you check on the power supply and see how many watts it puts out?

Most stock power supplies are only 250 watts with towers?

Can u just try one ssd and reinstall windows and see if the boot loop still there or have you tried this already?

Overheating may cause this as well. There is a free program to check the cpu temp.  The program is called speccy.  All intel cpu's should run betwenn 40 and 60 degrees while at idle while amd cpu may be 10 degrees higher.  Please download this program and check the temps of the cpu.

yes sir please let me know the temp of the cpu?

Scroll to the bottom, this should show the temp of the cpu

I am downloading now, let me check and see where the temp is located.  One moment

One moment let me see why this is not working?

Speccy should show up like this in the screenshot.  Do you have this 

Under the summary tab.

https://www.ccleaner.com/speccy/download  This is the right program

Click on ccleaner for the download please.

Thats good temp.  Please let me keep trying to narrow down the issue.

Nice program and I like it as well as its free.

Have you tried to go the dell website and update all the drivers?

For video card, sound, etc.

All you have to do is out in the service tag number and it brings your computer right up and the current drivers as well.

No its displays how much memory and what kind u have.  If the memory is not listed, chances are the memory is bad.

I had a dell tower at one time and had to same problem. I always had to reset the ram almost every week and this computer would also bootloop

This is one of Dells known problems with their computers.

Is the tower clean inside as in no dust or anything else

How long have you had thios tower?

Should display more thaty that because the onboard video card uses a certain amount and should not use that much.  Try using just 8 gigs of memory.  

How many sticks of ram are in the computer

There has to be dust on the meomry slots beuase ram sticks are the known issue for this.  Can you get a can of compressed air and blowout the machine 

Or you could use just a air compressor as well.

Try that and let me know what happens please

lets try that and see if will perform better

I think so.

Ww should try the compressed air or air compressor as well just to make sure

yes sir I will be here.  Please let me know that outcome.

I will be here all day when you are ready to continue with troubleshooting your computer.

Dear Tom, It was a pleasure helping you with your Dell issue today. Here is a summary of the resolution. 

Issue identified : Customer computer kept rebooting by itself.

Solution Implemented :

Provided troubleshooting steps in chat to try to find the problem.  Customer indicated in chat that after switching monitors the computer boots up like normal.

Issue resolved.

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