Sudden restarts

A

Arakky

Member
Hello, I bought a Defiance Series laptop a few years ago, I've been using it so freaking much, so I expected to start failing sooner or later.
It now has around 3 years and 3 or 4 months, had some problems here and there but I managed to solve all of them but, since yesterday, I'm having sudden reboots out of nowhere, without warning, no BSOD, nothing I could find.
Event viewer only tells me that the pc rebooted unexpectedly, I figured it could be some sort of power supply problem, but I can't test it to check which component could it be.

This is the laptop:
Chassis & Display
Defiance Series: 17.3" Matte Full HD 144Hz 72% NTSC LED Widescreen (1920x1080) + G-Sync
Processor (CPU)
Intel® Core™ i7 Six Core Processor 8750H (2.2GHz, 4.1GHz Turbo)
Memory (RAM)
16GB Corsair 2666MHz SODIMM DDR4 (2 x 8GB)
Graphics Card
NVIDIA® GeForce® GTX 1070 - 8.0GB GDDR5 Video RAM - DirectX® 12.1
1st Storage Drive
1TB SERIAL ATA III 2.5" HARD DRIVE WITH 32MB CACHE (7,200rpm)
1st M.2 SSD Drive
250GB SAMSUNG 970 EVO M.2, PCIe NVMe (up to 3400MB/R, 1500MB/W)
Memory Card Reader
Integrated 6 in 1 Card Reader (SD /Mini SD/ SDHC / SDXC / MMC / RSMMC)
AC Adaptor
1 x 230W AC Adaptor
Power Cable
1 x 1 Metre European Power Cable (Kettle Lead)
Battery
Defiance Series 4 Cell Lithium Ion Battery (66WH)
Thermal Paste
COOLER MASTER MASTERGEL MAKER THERMAL COMPOUND
Sound Card
2 Channel High Def. Audio + MIC/Headphone + Sound BlasterX® Pro-Gaming 720˚
Wireless Network Card
GIGABIT LAN & KILLER™ WIRELESS-AC 1550 M.2 GAMING 802.11AC + BLUETOOTH 5.0
USB/Thunderbolt Options
4 x USB 3.0 Ports + 1 x USB 3.1 Type C Ports
Keyboard Language
RGB BACKLIT SPANISH KEYBOARD
Operating System
NO OPERATING SYSTEM REQUIRED
Operating System Language
Spain/España - Spanish Language
Windows Recovery Media
NO RECOVERY MEDIA REQUIRED
Office Software
FREE 30 Day Trial of Microsoft 365® (Operating System Required)
Anti-Virus
NO ANTI-VIRUS SOFTWARE
Browser
Google Chrome™
Laptop Cooling Stands
CoolerMaster NotePal L2 Laptop Cooler, up to 17.3 inch
Keyboard & Mouse
INTEGRATED 2 BUTTON TOUCHPAD MOUSE
Webcam
INTEGRATED 2.0 MEGAPIXEL WEBCAM
Warranty
3 Year Silver Warranty (1 Year Collect & Return, 2 Year Parts, 3 Year Labour)


I opened it up and fully clean it, and then reinstalled Windows just in case it was some sort of software issue, but it still happens. It looks like it doesn't happen always after something specific, I coulkd be playing a pretty intensive game or I could be just browsing, temperatures are fine, drivers are up to date...

I don't have the tools to test the components so I wanted to see if you guys could give me any idea of what it could be.

Thanks!
 
Bhuna50

Bhuna50

Author Level
Arakky said:
That might be much longer to be honest, might be more than a year and a half ago :S
Could that cause the reboots? Temps looks super fine.
Click to expand...
Possibly although when my old laptop overheated it usually just shuts down rather than reboots.

Have you checked that windows has fully updated - can you show us a screen shot of your windows update page please.

Also, can you screen shot your Device manager = check it for any yellow triangles where drivers might not be updated.

Anything listed in "Other Devices"
 
A

Arakky

Member
Sorry that it is in Spanish, but I guess no need to fully understand it.
Windows is fully updated and there is no Yellow Triangles on the Device Manager:

Windows Update:
1641414150426.png


Device Manager:
1641414060669.png
 
A

Arakky

Member
You mean an official one? Yes it is if that's what you're asking. And I already installed all optional updates, I cannot actually test it as it happens whenever it wants, yesterday it happened twice in under 3 hours ( Before reinstalling ), today, only once after around 15 hours or so being ON.
 
A

Arakky

Member
Update: It happened tonight too, still no real idea of what it could be but, I've searching similar problems and stuff and I started to test the main components, started with memtest, got no errors but, I noticed a pretty loud hissing noise coming from the pc. After the test ended, I restarted the laptop with the case open to see if I could pinpoint the location where the noise is coming from. I'll post a short video showing where it is coming from.
Not really sure what it is but, that side of the laptop gets hotter while stresstesting the gpu or playing so I though it could be the GPU, not sure tho, I'm also pretty new to laptops so I don''t know how gpu looks in there.

Video showing the part that is doing the sound:
https://photos.app.goo.gl/wz5L2zuSL6TAotRBA

At the final seconds of the video the hissing sound is much clearer so yo ucan hear it over the fans noise.
 
barlew

barlew

Godlike
Arakky said:
Update: It happened tonight too, still no real idea of what it could be but, I've searching similar problems and stuff and I started to test the main components, started with memtest, got no errors but, I noticed a pretty loud hissing noise coming from the pc. After the test ended, I restarted the laptop with the case open to see if I could pinpoint the location where the noise is coming from. I'll post a short video showing where it is coming from.
Not really sure what it is but, that side of the laptop gets hotter while stresstesting the gpu or playing so I though it could be the GPU, not sure tho, I'm also pretty new to laptops so I don''t know how gpu looks in there.

Video showing the part that is doing the sound:
https://photos.app.goo.gl/wz5L2zuSL6TAotRBA

At the final seconds of the video the hissing sound is much clearer so yo ucan hear it over the fans noise.
Click to expand...
Sooo turning on a laptop whilst the case open is a really bad idea. Firstly it is potentially incredibly dangerous and secondly if you are going to terminally break your laptop this is your best chance of doing it.

That being said perhaps that is coil whine but its pretty hard to tell because of the fans. Potentially one of the components on the motherboard is on the way out.
 
A

Arakky

Member
I see, so probably my best bet would be to send thie laptop to a specialist or just get a new one when I have the money right? I'm no expert at all so I guess repairing any mobo component is way out of my level.

Thanks for the answers guys, I guess I'll think about sending it to a specialist or just use it until it's dead while saving enough for a new one.
 
barlew

barlew

Godlike
Arakky said:
I see, so probably my best bet would be to send thie laptop to a specialist or just get a new one when I have the money right? I'm no expert at all so I guess repairing any mobo component is way out of my level.

Thanks for the answers guys, I guess I'll think about sending it to a specialist or just use it until it's dead while saving enough for a new one.
Click to expand...
Yeh it wouldn't be a bad shout. Unless anyone else on this forum has any other suggestions.
It sounds like you have carried out all the appropriate actions to remedy any software/configuration faults. I would be looking at hardware now.

If the mainboard is at the end of it life you will find it far more cost effective to just get a new laptop.
 
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