Issue with XPS 13 2 in 1 7390

Question

Hello, I'm having a peculiar issue with my xps 13.

I got it back around the time of black Friday of 2019, and there weren't any issues during that time.

However, I've had 3 crashes in the past 10 days:

Crash 1: I attempted to update the Bluetooth driver a week ago, which ended in a BSOD, followed by the LED light flashing the pattern: 2 amber, 1 white.

Crash 2: Just yesterday, using a basic text editor with the computer on standby, which crashed out of the blue giving me a BSOD, giving me once again the pattern 2 amber, 1 white.

Crash 3: In an attempt to remedy the issue, I ran chkdsk /f, and upon restart of the computer, the chkdsk process was stuck again, the LED giving the pattern 2 amber, 1 white.

I ran chkdsk a second time, and the second time was fine.

In addition, I have also ran scannow with no issues.

Lastly, I've ran the pre-boot diagnostic, and the first time it gave me a critical error, but it didn't mention any error codes. The second time I ran the pre-boot diagnostic it gave me no issues.

Is this for sure indicative of a CPU failure? If so, what could have caused it and what are my options? I've never dropped / spilled anything on my laptop (it mainly just sits on a glass table hooked up to an external display).

Or are there other software related checks I can do? I've made sure my windows installation is up to date, and that my system is up-to-date according to Dell Update.

Thank you

EDIT: I did talk to dell support, and it seems that the critical error in the pre-boot diagnostic is due to me not having the charger plugged in (it gives you a prompt to plug your charger in, and even if you do it will say critical error).

I did mention the details above to them, and they believe that it is a software issue, any suggestions on what I should do? (I.e. send to replace board or live with it and see if it happens again?). I did just install some updates for the wifi driver and for windows after the 3 crashes above, and it appears to be working fine right now.

ejn63 · Accepted Answer

I'd bet it isn't the CPU that has failed - CPUs very, very rarely fail.  Mainboards do commonly fail - it's more likely the board (or the solder joining the CPU to the board) is what's bad.  In any case, this is an all-or-nothing - you can't replace the CPU, RAM or solid state drive independently - they're all soldered to the mainboard.  Call Dell and let the warranty take care of the repair.

ejn63 · Answer

That flash error does mean a faulty CPU - you'll need to contact Dell for a mainboard replacement under warranty.

If you can get it running long enough to back up your files, do so -- on this model, the solid state drive isn't removeable, so it'll be replaced along with the system board.

bchi1 · Answer

Hello, in that case, are there any known reasons for the CPU failing? I wouldn't want to replace the CPU, only to have it fail again.

(Sorry if this is a double reply, I'm not sure how these forums work)

Kylemcm · Answer

@bchi1 I am having this exact same issue with my 2 in 1. May I ask what ended up happening with yours?

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Issue with XPS 13 2 in 1 7390

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