Laptop restarts itself frequently, no bluescreen

Chayane_rt

Estimable
Feb 23, 2014
1
0
4,510
0
Hi, I need Help with a Toshiba Qosmio X875 Q7390 Laptop! 2 days ago out of nothing it started restarting on its own. No blue screen. The screen goes black suddenly and then after some seconds you see the logo. This happens randomly. While on the desktop, gaming, youtube, even on SAFE MODE!

I did a factory reset, updated GPU graphic drivers, set BIOS to default settings, and nothing. Also ran the laptops memory troubleshooter and no errors were found, device manager show no errors, I have already uncheck the automatic restart on failure and no blue screen or error messages. Sometimes the laptop doesn't restart but the display goes black and it remains on without doing anything (screen black and unresponsive.) CPU temps are mid 40s idle and mid 50s while watching videos, high 70s when gaming and gpu never goes above 78C. but I have not played games since it happened first time and CPU temps are always mid 40s and GPU mid 40s too when it goes black and restarts, or sometimes just go black without responding or turning off (restarting).

I have the minidump file in case somebody here needs it to diagnose what happened. I am no pc tech and don't know what to do, please help.

UPDATE: I was checking event viewer and found this error

- System

- Provider

[ Name] Microsoft-Windows-WER-SystemErrorReporting
[ Guid] {ABCE23E7-DE45-4366-8631-84FA6C525952}
[ EventSourceName] BugCheck

- EventID 1001

[ Qualifiers] 16384

Version 0

Level 2

Task 0

Opcode 0

Keywords 0x80000000000000

- TimeCreated

[ SystemTime] 2014-02-24T01:29:16.000000000Z

EventRecordID 1733

Correlation

- Execution

[ ProcessID] 0
[ ThreadID] 0

Channel System

Computer QosmioX875Q7390

Security


- EventData

param1 0x00000116 (0xfffffa80143893b0, 0xfffff88005f85bbc, 0xffffffffc00000b5, 0x000000000000000a)
param2 C:\WINDOWS\MEMORY.DMP
param3 022314-8421-01


Another error that was marked with a red X (critical) said something about kernel power, you will see below.


- System

- Provider

[ Name] Microsoft-Windows-Kernel-Power
[ Guid] {331C3B3A-2005-44C2-AC5E-77220C37D6B4}

EventID 41

Version 3

Level 1

Task 63

Opcode 0

Keywords 0x8000000000000002

- TimeCreated

[ SystemTime] 2014-02-24T01:29:10.874731700Z

EventRecordID 1711

Correlation

- Execution

[ ProcessID] 4
[ ThreadID] 8

Channel System

Computer QosmioX875Q7390

- Security

[ UserID] S-1-5-18


- EventData

BugcheckCode 278
BugcheckParameter1 0xfffffa80143893b0
BugcheckParameter2 0xfffff88005f85bbc
BugcheckParameter3 0xffffffffc00000b5
BugcheckParameter4 0xa
SleepInProgress 0
PowerButtonTimestamp 0
BootAppStatus 0
 

Kati-Moa

Estimable
Feb 24, 2014
1
0
4,510
0
A possible work around to what appears to be a failing with these Toshiba laptops is what I do with my A300. I have noticed while going through the booting up sequence that whenever the screen goes dark the Laptop will switch off and re-boot sometimes repeating the drama at this point or just after the welcome screen. I suspect the internal supply voltage to the processor rises enough to trigger the over voltage trip and causes the reset. My solution requires the external power removed while booting and only using the battery until the charge falls to about 15% then insert the external supply and charge until battery is at 75% then remove power and repeat the cycle. The reason? Well, Lithium-ion batteries are charged at a constant current to around 65% charge then the algorithm changes to constant voltage mode and the charge current begins to fall allowing the supply voltage to rise then 'poof' it switches off at the most inconvenient time!
Very involved I know but at least I can use the machine now. Basically the rule is not to use the external power when the battery is fully charged.
If this gets you going then you have hardware problem that needs fixing...Anyway my 2 cents worth.
Ian
 
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