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Windows 7: win 7 reboots randomly Kernel-Power

22 Apr 2010   #61
reconway

Windows 7 Ultimate 64 bit
 
 
Reinstalling the Chipset drivers resolved it for me

Correction: Did NOT Resolve it for me.

I was having the same problems - restarting twice per day as if someone switched the laptop off and on. No bluescreen. I thought it was a power supply issue.

After Googling extensively and reading all these posts (and trying some of the suggestions), I reinstalled all the drivers that came with the laptop - starting with the ChipSet drivers.

The system was stable for 2 whole days - then restarted 3 times in 6 hours.


My System SpecsSystem Spec
.
09 May 2010   #62
gcortes

Windows 7 Home Premium
 
 

Quote   Quote: Originally Posted by gcortes View Post
I've had the same problem since early January after two months on a new system. It was at least daily for several weeks and then stopped for almost two weeks and it now back, but not every day. Strangely, it has never occurred between 6PM and 7AM. I have virus scans and off site back ups running during those hours as well as in the day time. I replaced my 850 watt power supply and have run a few passes on the memory. The problem typically occurs when I'm out of the room. Give all the posts I've seen on the web, it seems to be somewhat common. I have different hardware from the other posters so I don't think a specific piece of hardware is causing the problem. I'm just posting to give people a gauge of the extent of the problem. I'll try some of the suggestions posted earlier to see if the problem goes away.

Curt
Solved. I've read a lot of threads on this problem and my cause appears to be unique. Operating under the assumption that if some is good, more is better, I connected both my Ethernet ports to the same switch. I thought the OS and the switch would automatically detect that they went to the same system and act accordingly. They don't. If fact, it probably slowed the system down as it had to deal with duplicate packets let alone the random BSOD's. My guess is that it is a driver problem given the dump, but it could be the protocol stack or the OS. I'm much relieved to solve this problem after five months.
My System SpecsSystem Spec
19 May 2010   #63
jege41

win764
 
 
Advanced power settings

After many months of crashing/blue screen/kernal dump, I belive I have fixed my issue.
Go to Power options/change plan settings/change advanced power settings/processor power mangaement/minimum processor state/set to 100%
I believe the default stting of 5% is not enough to maintain stability running more than 2 gb of ram.
Hope this helps
Cheers EMAIL REMOVED

Quote   Quote: Originally Posted by yaro View Post
hey guys i got some problm with windows 7 ultimate x64 it just reboot all the time itself ,already couple days. Already tried fixdisk, firmware on my hd doest need to be flashed at least that what segate instaler told me.i turned off auto reset at system failure,but system resets anyway reboots without blu screen .so just got this from log
<

Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />

<EventID>41</EventID>

<Version>2</Version>

<Level>1</Level>

<Task>63</Task>

<Opcode>0</Opcode>

<Keywords>0x8000000000000002</Keywords>

<TimeCreated SystemTime="2009-09-16T16:02:10.789625100Z" />

<EventRecordID>5262</EventRecordID>

<Correlation />

<Execution ProcessID="4" ThreadID="8" />

<Channel>System</Channel>

<Computer>Yaro</Computer>

<Security UserID="S-1-5-18" />

</System>


- <EventData>
<Data Name="BugcheckCode">0</Data>

<Data Name="BugcheckParameter1">0x0</Data>

<Data Name="BugcheckParameter2">0x0</Data>

<Data Name="BugcheckParameter3">0x0</Data>

<Data Name="BugcheckParameter4">0x0</Data>

<Data Name="SleepInProgress">false</Data>

<Data Name="PowerButtonTimestamp">0</Data>

</EventData>


</Event>

thx for any help
My System SpecsSystem Spec
.

16 Jun 2010   #64
harklodge

Windows 7 Home Premium
 
 

Quote   Quote: Originally Posted by aig View Post
The change of power supply did the trick.... every thing is hunky dory now.
It's been several months since you changed the power supply...has Windows 7 been stable for you thus far? I ask because I'm facing the same problem you did and I'm wondering whether I should change the power supply too...
My System SpecsSystem Spec
14 Sep 2010   #65
kbluebig

Windows 7 ultimate 64-bit with VM Windows 2008 R2 64-bit
 
 

I just quickly registered on this forum to give you guys a HUGE THANK YOU !!!! My old desktop that I was running as a Windows 2003 server had a crapped out CPU and motherboard so I decided to upgrade to quad core AMD CPU with foxconn internal raid motherboard. I installed Windows 7 ultimate 64-bit and planned on running various virtual machines within that using virtual box. Took me 3 freakin days to set up and configure my virtual Windows 2008 R2 64-bit just right but got everything up and boom, system started restarting giving that same kernel power error.

No matter what, I could not fix it and it was happening on a daily basis. But I did a bunch of google searches and came across this forum thread and the fix for me was upping the voltage for the northbridge one notch in my motherboard overclock settings per the suggestion on this thread.

I have been running my system for 4 days straight without a restart or kernel power error. It is safe to say that did the trick.

Thanks for the fix !
My System SpecsSystem Spec
04 Oct 2010   #66
Slimbone

Windows 7 Professional 64-bit
 
 

This is my first post on the board, and what's being discussed here in this thread is why I joined.

I've been having random reboot problems since the PC was built in March. Although the largest percentage of times the reboot happens is shortly after turning on the PC, it happens at other times too, and it's very random... surfing the net, viewing files, sitting idle, whatever.

I'm not a techie by any stretch, but my father has over 25 years of experience with computers. His thought was that it was my original Nvidia graphics card, so I replaced it with an ATI Radeon HD. It continued to happen, so we rebuilt the computer. Afterwards, it happend less, but was still occuring. At this point, I got so frustrated that I went back to XP.

Then I joined this forum. Lots of things to think about and try. My PS is an Antec 750W, and I just read something negative about their power supplies. However, 750W is a lot of power, isn't it? Read earlier in this thread that someone went from 650 to 700, and that did the trick. Hmm...
My System SpecsSystem Spec
05 Oct 2010   #67
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Your PS should be adequate for your system.

If you can borrow another one to test with you can rule this out.

You might try bumping your NB voltage (QPI, I think) and/or DRAM voltage, with four RAM cards it sometimes needs a little extra voltage to run stable.

You can test your RAM with memtest86+, check this tutorial for the procedure: RAM - Test with Memtest86+
Be sure to run the tests with one RAM card at a time alternating the slots.
My System SpecsSystem Spec
05 Oct 2010   #68
Slimbone

Windows 7 Professional 64-bit
 
 

Quote   Quote: Originally Posted by Dave76 View Post
You might try bumping your NB voltage (QPI, I think) and/or DRAM voltage, with four RAM cards it sometimes needs a little extra voltage to run stable.

You can test your RAM with memtest86+, check this tutorial for the procedure: RAM - Test with Memtest86+
Be sure to run the tests with one RAM card at a time alternating the slots.
I'm not sure what you mean by bumping my NB voltage, but I'll show your reply to my father, and he'll know what to do. Thanks for the reply, and I promise to post my results once I've tried it.
My System SpecsSystem Spec
05 Oct 2010   #69
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Older CPUs and motherboards had a seperate chip to controll the communications among the CPU, RAM, BIOS ROM.

Your "North Bridge" is integrated in the CPU and the BIOS setting that will let you adjust the voltage is usually called QPI.

Quote:
The northbridge, also known as a memory controller hub (MCH) or an integrated memory controller (IMC) (<<Click here for explaination) in Intel systems (AMD, VIA, SiS and others usually use 'northbridge'), is one of the two chips in the core logic chipset on a PC motherboard, the other being the southbridge.
With a slight increase in voltage this will help the communication between the RAM and CPU.

If it's at 1.1v then change it to 1.2v, this should be enough to help it.
My System SpecsSystem Spec
05 Oct 2010   #70
Slimbone

Windows 7 Professional 64-bit
 
 

Quote   Quote: Originally Posted by Dave76 View Post
With a slight increase in voltage this will help the communication between the RAM and CPU.

If it's at 1.1v then change it to 1.2v, this should be enough to help it.
Okay, thanks Dave. I'll give that a try.
My System SpecsSystem Spec
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 win 7 reboots randomly Kernel-Power




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