Freezing occurs

Hello everyone, I ran into a problem, I bought a new computer in june, it worked fine, then a few days later i bought bigger speakers and a subwoofer, after (I'm not sure if it was because of the speakers) my computer started to freeze once per day, about 10-50mins from booting, only option was to hit the reset button, mouse wouldnt work and keyboard wont work, Nothing. After the reset it worked fine the rest of the day.
This happens to me everyday and it's starting to get annoying.
Wont work if I unplug the speakers so I think the don't cause it.

One thing I noticed was before the freezing, the other fan always shows speed around 800RPM, but after it freezes and i reset, it spins around 1000RPM.

I don't see why would a brand new computer do this, also my specs are good.

Acer aspire M5300
Amd Phenom II x3 720 2.8Ghz
Nvidia GeForce 240GTS 2gb
Ram 8gb
Disk space 1000gb
Windows 7 64-bit
Directx11

I appreciate your help very much, I want this problem solves without going into a computer repair.
 
Could be an overheating problem. Check the system error log - control panel, administrative tools, event viewer, system also application logs. Anything red in there?

Failing an obvious cause, Return to Manufacturer. The PC may have been poorly assembled, badly seated CPU for instance. Also check the fans are all turning for processor, video card (if any) and power unit.
 
Could be an overheating problem. Check the system error log - control panel, administrative tools, event viewer, system also application logs. Anything red in there?

Failing an obvious cause, Return to Manufacturer. The PC may have been poorly assembled, badly seated CPU for instance. Also check the fans are all turning for processor, video card (if any) and power unit.

Application log has alot of red circles with a "!" on them and it says error, system log has a few warnings.
Also the thing above the windows-logs has alot of errors too.
 
OK, go to an error just before the latest seize-up or thereabouts. Double click the error, then there is a lot of description in the central box, under 'description.

You can cut the message text and paste it here. Can you summarise the error lists in any way? Like 'application errors are mostly source=mpsmaplesubmission' or whatever?
 
OK, go to an error just before the latest seize-up or thereabouts. Double click the error, then there is a lot of description in the central box, under 'description.

You can cut the message text and paste it here. Can you summarise the error lists in any way? Like 'application errors are mostly source=mpsmaplesubmission' or whatever?

Ok before the freeze, there are some notes on "Control panel stopped" And something like that, this is something; This is near the freezing time;

Description: Defective Application Name: lsass.exe, version: 1.0.0.0, time stamp: 0x4c7eb9fe
Faulty module name: KERNELBASE.dll, version: 6.1.7600.16385, time stamp: 0x4a5bdfe0
Exception Code: 0xe053534f
Error Variance: 0x000000000000aa7d
Faulty process ID: 0x% 9
Faulty application start time: 0x% 10
Faulty application path:% 11
Faulty module path:% 12
Report ID: 13%

I couldn't find anything else, also in the freezing time it says windows could not be verified o.o
 
Check out this MS support site link. **** link, lower down there is a trouble-shooting section you could try. In at least one i9nstance, the error proved to be a badly-written Sony driver.

You do not say if your new speakers involved a driver or update to a driver, but if so, that is the likely problem.

I tried uninstalling sony vegas, didnt work, but when the freezing coes it keeps a loud BEEEEEP from the speakers, do i need to update the drivers? Also my sony vegas crashes on start up i need to get it to work :(

Also is there a FREE program to update all your computer drivers :p
 
There are plenty of free programs to 'update your drivers and mess up your machine'. Beware, You very often stumble upon these whilst searching for other things. All too many of these are scams designed to install rootkits, trojans, viruses and other things. Never use them !!! I am not saying there are not some reputable ones around, but knowing which they are is a black art.

MS update can (usually) be trusted, as can the websites of the companies supplying your PC components, or the company supplying your whole PC, as appropriate. One reliable program which I personally can recommend is PSI secunia http://download.cnet.com/Secunia-Personal-Software-Inspector/3000-2162_4-10717855.html which will notify you of updates available for all your application software (but not drivers). Also revo uninstaller http://download.cnet.com/Revo-Uninstaller/3000-2096_4-10687648.html which can often resolve an uninstall which fails.
 
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