Random Lockups

Apr 9, 2008

I have an HP dv9000 laptop running Vista premium SP1. Both before and after installation of the service pack I have been getting occasional complete lockups, with the mouse, and keyboard both inactive and the disk access light off. The only way out is the power button. The system is about six months old, has no malware on it, has the latest BIOS installed and passes memtest. I have turned off folder indexing, updated all drivers from the manufacturer and, except for this issue, the system runs well and fast.

The lockups might occur once every couple of weeks --- usually, but not always, when surfing. I have not been able to reproduce the problem and it does appear to be truly random. Does anyone have any ideas what I might try next. The only other thing that happens is that when press the slash key I get his character:? or this one in upper case:? My keyboard is set to English.

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Ultimate X64 Random Lockups

Jan 4, 2008

Well I built my first pc in about three years, and I have an issue with random lockups. Did the ram thing where I did one stick at a time and lockups still took place. Removed Souncard and used onboard still locks up. CPU Temps are good (Using Ultra 120)..........

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Playing Music Cause Skipping & Lockups

Jul 29, 2009

My stepdaughters computer skips sound and locks up when playing loud Rock music. When playing other types of music it is fine. I changed her audio drivers from Microsoft to Dell drivers and that fixed most music but it still happens when playing Rock music. The hardware diagnostics says the device is working properly. She has Vista Home Premium with SP2.

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Aug 20, 2007

I've been using windows vista 64-bit for a couple weeks now and, though I do find it fast and reliable, am having a huge problem -- the freaking OS seems to like locking up when it works with files of a big size (usually a few hundred MBs). It does not happen always, but pretty often -- to the point where now I save everything I have open before moving any file from a hard drive to the other or simply overwriting it. Its pretty annoying, it happens mainly with big files -- but has also happened a couple times with smaller ones, and I've noticed the pattern already - since every time it locks up like that the system is also doing some work in the hard drive. when it happens, all I can do i restart -

since the system dies completely, no mouse, no sound, no answer of any kind to anything I do but restarting and, once I do so, the system shows no signs of any error, so I can't diagnose whats happening in any way. Any ideas what might be happening? This is a high end system, so its not a lack of resources (amd 64bit dual core athlon 6000+, MSI K9A motherboard, video card is HIS RADEON HD 2900XT and hard drive is western digital 500GB, partitioned in two halves), and is honestly driving me crazy. Also sometimes it starts doing it at random, the system starts and about 2 minutes later it locks up with no reason -- and keeps on doing so several times..................

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COD4 HARD Lockups: It Locks Up Randomly

Mar 18, 2009

I've been having issues with COD4 locking up. It locks up randomly. I've proved it's not an overheating issue by playing Crysis on full graphics in a high resolution for two hours. So it's definitely not a heat issue. Joe has informed me that driver lock ups will be recognized and will keep the OS from kernel panic or hard system locks. My only other guess is SoundMAX (on-board high definition 7.1 sound). It's given me numerous problems in several games. I've killed all background processes. I have not killed PunkBusterA and B because I play professionally on CEVO and CAL. Also, Crysis uses PunkBuster.

Just for grins I checked my CPU/GPU/MOBO temps and they all appear well within operational ranges. I have no add-ins except for my graphics card: EVGA GeForce GTX 280. I'm on the i7 processor with the P6T Deluxe motherboard. I use a SATA Hard Drive (I was thinking about firmware updates, but I doubt it's a hard drive issue since Crysis runs for hours). I'm using a Sony CD/DVD RW ROM. My OS is Vista 64 Ultimate. I'm using a USB mouse/keyboard and DELL Flat Panel (DVI).......

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COD4: Sound Lagging Or Complete System Lockups

Jun 11, 2008

I play COD4 ALOT but lately since SP1 ive had issues with sound lagging and or complete system lockups, If I kill SP1 i can play fine with no issues.

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Random Shutting Down

Apr 8, 2009

This happens to me every morning when I turn my computer on after having it off all night.

I turn on my computer. Windows loads then I get a message (as soon as windows is done loading all up) that "Windows will be shutting down in less than a minute."

So it shuts down, restarts, and when it gets back on my User Account Control is turned off. So I turn User Account Control back on and it's fine until the next morning. Sometimes, but not often it will do this after my computer has been Hibernating for a while.

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PC Shuts Off At Random

Mar 23, 2008

My computer just powers off wothout warning sometimes then won't turn on again for several minutes. The computer hasn't been overheating or even under heavy load when it happens. Which piece of hardware is the cause of my trouble so that I can replace it? The motherboard is an ABIT IS7, the PSU is a Coolmax 450W, and the CPU is a 2.8GHz P4 Northwood. Or is the problem with something else?

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Random Shutdowns

Mar 7, 2010

I leave my desk top on all the time and it works fines. Randomly (weeks can go by) while using it, it just shuts down. I will hit the power button it reboots and it goes directly to where it was when it shutdown and will not have lost anything. Some times I can here it reboot all by itself when I am not even using it. Can anyone tell me what this might be

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Random Hangs

Mar 23, 2008

my computer hangs and doesn't came back even after 2 hours and it happens when i'm doing anything. it has hung twice just tring to write this question it hangs even when the computer is idle. and the only solution that works so far is to hit the reset button. if it helps here are my spec for my computer: Q6600, p35c-ds3r, gigabyte 8800gts, 4x kingston 1066MHz 1gig RAM, seagate 7200rpm 750GB hard drive. also have 3 fans keeping to cool 1 for CPU + 2 for case, none are overclocked.

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Sep 17, 2009

I have had XP on my old pc for years with out it Freezes now I purchase a PC with vista. I've only had it for a week and has already Freezes 5 times what give it.

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Jan 5, 2010

i have vista home premium 64 bit installed on sony vaio fw 170(ram-4gb). Few days ago it got infected with agent2,ofg. Avg removed the threat. But ever since then, it is crashing/freezing/hanging randomly. I thought it might have more infections so I scanned with a-squared, malwarebytes and sophosrootkit: no infection was found.

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Random Crashes In Just About Any Videogame

Jan 11, 2009

When playing just any game it crashes and I get an error messege saying "Directx has encounterd an unrecoveralbe error"

and

Display driver "nvlddmkm" has stopped working.

Then the computer flickers in and out and I am forced to restart the computer manualy.

Thins I've tried is that I formated my main "C" harddrive and setup all newest drivers etc.

That didn't fix this.

Another thing I thought of is that the card was overheating, well it has a custom Thermal Right cooler and a 120mm fan but I still tried and opened up the case.

That didn't have any effect.

This is a strange problem because I am able to run tests such as 3d mark -Vantage, 06, 05 and 03 without any crashes..

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Jan 2, 2008

I'm running it on Chieftec 410W PSU, which according to ASUS PSU calculator is enough. Actually my previous S939 system needed more(400W) power than my new system(350W) according to ASUS PSU calculator, and it ran well. It quite old though. 3 years probably, but it's not making any noise and it isn't running hot. It has a big 12cm fan which is running fine and apparently doing a good job.

After Vista reinstall my system randomly, completely shuts down (like when unplugged from power outlet) 2-5 minutes after booting up. Booting process is actually succesuful. All drivers running. I checked ;..........

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Apr 28, 2009

my problem is that every few seconds my PC suffers from a quick CPU spike that lags the PC's frame rate, but not sound. I've tried running safe mode and this problem does not happen, which says to me that it's a driver problem. i've checked through Windows and my drivers are all up to date and i have problems updating my graphics drivers manually from the website. the spikes arn't a major problem for generally use but it makes reaction based gaming (FPS for example) incredibly hard.


i've also tried:

• checkdisk

• sfc /scannow

• defragmantation

•virus scans

and some other possible "solutions" i've found across the web.

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Jan 13, 2009

I was wondering if anybody out there is having freezing/random restart problems using Asus' p6t deluxe MOBO or having problems using Corsair's 6GB 1333Mhz ddr3 tri channel (TR3X6G1333C9) while using Ultimate64.

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May 12, 2009

I switched from x86 to x64 Vista Business. I did it because of upgrading from 2GB to 6GBs RAM. Install and updates went fine and then I saw, task manager detects only 5Gigs of ram. So I went to BIOS and set memory remap to Enabled. And after than, Vista detects all 6Gigs but have a random freezes after about 5 to 10 minutes running. I have the latest drivers, updated system and latest BIOS.

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Jun 1, 2008

I am in the process of trying to diagnose an issue with my new system. I recently purchased a new system to play host to multiple VMs that I require for development. I decided to go with 8GB of memory and therefore chose Vista x64 for the OS, which I installed from my MSDN disk. This computer also moonlights as my wife's gaming computer (Sims 2) and does see the occasional game of Crysis.

Everything was running perfectly until after I installed VMWare Workstation 6.0.3. Initially, the computer would seemingly lockup at random during periods of disk I/O while installing programs on the VMs. When the lockup occurs, the harddrive light goes out as well as the lights on the keyboard and mouse, though the monitor stays on; i.e. no blue-screen. The only way to continue is to reset..........

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Random Drop In Performance.

Jun 16, 2008

While doing day to day activities, my computer will slow down to unusable speeds, for about 20 seconds, then go back to normal performance. My drivers are up to date, and Windows Update offers no more updates available.

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Random Crashes In Games

Mar 6, 2009

I'm having a problem with every game I play crashing to desktop. I always get the error stating something to the effect of "this program stopped working and will now close". I have had a bit of a look at other posts with similar errors yet the solutions seem to be mostly based on the specs of each computer. At first I thought it was a cooling issue, however I don't think so as the majority of things are running at about 55 deg (celcius). Additionally, all my driver's are up to date and I have also re-installed my graphics card drivers and the problem still occurs. Attached is a system Diag so you can see what's what. If you need any more info I'll gladly provide it. I could also provide performance and reliability results if you wish.

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USB Modem: Random Drops From Internet

Feb 3, 2008

I recently installed Windows Vista ultimate. I have random drops from Internet, the only way to fix it is by rebooting the system. i tried disconecting the modem, restarting the modem, logging off from my user, nothing works. Only rebooting. I have a USB modem ( i know it´s not the best but this never ever happened on XP) and i´m using Vista ultimate. I don´t have any fancy network, just my pc conecting to internet threw the usb adsl modem. I tried pinging Google and it was successfully. But Firefox, neither IE worked

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Mar 24, 2008

I had a random crash today while installing the program Zone Alarm. Once I rebooted everything seemed fine except the Sidebar. All the gadgets appear blank and do not function and I can't seem to find any way to fix the problem. I tried downloading a new custom gadget but it did not work either. I tried looking at the help function and here but didn't see anything that would would.

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Mar 23, 2008

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Vista X64 Random Startup Crash...

Sep 9, 2007

Anyway, I was running Vista32 for about 6 months with no real problems. I changed to Vista64 last night so that I could start using my current 4GB of RAM and be ready for more later on. When I tried to install the files would copy to the HDD just fine, but when the PC would reboot for the first time it would crash at the "green motion bar" loading screen and restart... over... and over. I removed my extra hardware and went down to 2GB of RAM in dual channel mode and reduced timings from 4-4-4-12 to 5-5-5-18 and was able to install. I then got all updates and hadded my hardware back... no problems. I then added my other 2GB of RAM back... no problems. I then increased my timings back to the correct 4-4-4-12... no problems, or so I thought. I'm currently getting random crashes when loading Vista... same as before it will get to the "green motion bar" loading screen and either reboot or give a BSOD and force a restart. I've turned my timings down to 5-5-5-12 and it still happens... so I put them back to 4-4-4-12. I've heard that Vista x64 might have problems with 4GB of RAM on certain systems but I'm not sure how true this is. I guess I'm wondering if anyone else has heard of this and if there's any known fix for this? Maybe a beta update from MS or something? Also... once I get past this "glitch" and Vista loads... it runs rock solid with no issues. All my drivers are the latest available and signed as required. ((downloaded them all last night))

Here's my system, remember... I ran Vista32 for months without a problem on the same system.

Asus P5N32-E SLI (latest BIOS 1205)
nVidia 7900GS (not using SLI)
Corsair 4-4-4-12 DDR2 RAM *SLI Ready* (4 matched sticks of 1GB each)
Antec TruePower 650 PSU PCI-E & SLI Ready
C = 320GB SATA2 Seagate
D = 400GB SATA2 Seagate
E = 400GB SATA2 Seagate
F = 500GB SATA2 Maxtor
G = 500GB SATA2 Maxtor
H = Lite-On SATA 20x SuperMulti Burner
J = 400GB IDE Seagate (will be removed, being used for data transfer from 32bit Vista for now)I'm tempted to go back to 32bit just because of the startup crash... but then I can't access my full 4GB of RAM.... goods and bads no matter what I do.

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Jun 22, 2008

Everytime i start up vista most of my programs 'dont respond' and vista prompts me to close them. This happens with 7-8 programs, but as soon as this is done. i can re run the programs afterwords without any problems. Any ideas why this happens and how to fix it? ive run a virus scan and spyware scan and nothing has come up.

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Mar 23, 2008

In short, my computer randomly restarts. This is obviously a problem but I haven't the slightest clue where to start. I built the computer a few days ago, my first time mind you, so I am willing to swallow my ego and realize this could be my fault.

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Jun 28, 2008

a few weeks ago, random e-mails began disappearing from my inbox in windows mail. for example, all of yesterdays e-mails were there this morning and were gone this afternoon. my husband has not had this problem. also, around the same time e-mails started disappearing, all the messages that were still in the inbox showed up in bold as if they hadn't been read. i'm not super computer savvy, but I can usually figure basic things out.

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System Lock Up, Random Freezes

Mar 23, 2008

I recently purchased a HP a6200n which works relatively well. The only complaint is that frequently (at least once daily) the system will lock up. When this occurs the only way out is to hold the power button down and reboot. When the system locks, the screen will actually freeze the contents and make it appear somewhat 'snowy'. This happened on a factory system OUT OF THE BOX. So I know this wasn't due to application software I loaded on top and I doubt very much it was a virus the system picked up.

Since this started I have done a full virus scan and also have reviewed the event logs after each fail and nothing in there is obvious. There's an 'unexpected reboot' message there from my forced power down. I've gone to nVidia to download the latest nForce 430 drivers which has not helped. It seems ahead of what MS is pushing as the version I have is dated 12/07 and the auto updates are telling me to pick up a 7/07 version. I've also loaded SP1 and all of the HP/MS updates a person can handle. Has anyone experienced this.

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Mar 21, 2008

I'm using HDTune to benchmark my HD which is a Samsung T166 HD501LJ. The Access time used to be 15ms, but now its 16.5ms or so. I don't remember changing anything hard drive related. What could be the cause of this? Edit: Well the hard drive is filled up more now since I've ran the last test (15ms) but it has been defragged. Could this be it? Edit2: ok thats not it. I moved all files to a seperate physical drive and its still the same.

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Apr 7, 2009

I have a hard drive laying around from an old computer I had. I'm trying to figure out how many GB it is. I was wondering if anyone can find out what the GB is on this, I looked around but couldn't be sure as to what.

Name: Maxtor
Model: 96147U8
HDA: 08A
PCBA: 06B
Unique: 66B
Code: BAC51KJ0

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Home Premium 64: Locking Up At Random Intervals

Oct 17, 2008

Intel Q9400 Quad Core
EVGA 750i SLI Motherboard
2x XFX 8800GT Alpha Dog Videocards
8g OCZ Platinum Edition RAM
1 WD Velociraptor 300g drive (main)
1 WD Green 1 TB drive (storage)
Alpine Cooling Pro Freezer 7 (cpu heatsink)
Vista Home Premium 64 bit

The install of Vista has been nothing short of a nightmare..the OS keeps locking up at random intervals and reducing me to tears. I can't even seem to get the drivers installed without issues. I have tried to do most from safe mode to no avail. The next step was to remove all but 2 g of RAM and one of the video cards but things are still locking up for no apparant reason. Sometimes the install hung on "expanding Files" sometimes it would make it through that only to hang at the splash screen or once the os had booted up. We ten tested all the RAM with a ram test and everything was fine. Im at my wit's end here as I have pulled everything out to make it as bare bones as possible.

One thought from a friend was that the raid drivers may be causing an issue as this has been known to happen on intel mobos. Although I thought I had the Raid driver off anyway as Im not doing an array....yet.

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