Pc issuse need a bit of help please

My PC Randomly Freezes for no reason i can tell i be doing stuff it just freezes mouse dont work keyboard nohing i am stumped need a bit of help could this be that sandy bridge problem people have mentioned or summit else ? any ides or help would be great thanks

CPU: Intel Core i5 2500K 3.3GHz Socket 1155 6MB Cache Retail Boxed Processor
MOBO: MSI P67A-C45 P67 Socket 1155 GB LAN 8 Channel HD Audio ATX Motherboard
RAM: Kingston 4GB (2x2GB) DDR3 1600MHz HyperX Blu Memory Kit CL9 1.65V
HDD1: Western Digital WD5000AACS 500GB (as 1tb drive broke) OS HARD RIVE
HDD2: Western Digital Caviar Green 2TB SATA-II 64MB Cache - OEM (WD20EARS)
OS: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_gdr.101026-1503)
GFX CARD:ASUS GTX 470
PSU EVO: LABS 700W MODULAR 80+ 8PIN 14CM RB
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More about issuse please
  1. EVO LABS 700W MODULAR 80+ 8PIN 14CM RB
  2. Since I have never heard of your PSU it's probably junk. It's a problem even if it's not your current issue.

    I would go into the BIOS and set the RAM to 1333Mhz and see if that helps. Generally we recommend 1.5V RAM for these builds.
  3. yeh psu was just what i had in my old pc and my ram was set to 1333mhz since day 1 still froze so change to 1600 1.65 i think still froze

    I will get a new psu in asec ill order a new 1 always needed just aint got round to it may as well now
  4. Then see the PSU guide linked in my sig please.
  5. readin now fella the database is great ;)

    any more ideas on what my problem might be??
  6. could be a hard drive error. I've seen those symptoms linked to a hard drive failure before.

    http://windows.microsoft.com/en-US/windows-vista/Check-your-hard-disk-for-errors
  7. i thought so too it passed the check cos my last hdd got errors so it got replaced with this 1 but its a old hdd i had lying around i got a new psu will arrive 2moro will see if that might help if not a new hdd as well just to see
  8. still no luck pc still freezes but it seems to be fine befor iinstall windows update or chipset drivers seem very weird i got a new psu and a new HDD 500gb sata3
  9. How often does it freeze?

    Is there anything that you can do that will make it freeze every time?
  10. right i have put in a new psu a ned hdd for my os and updated my bios firmware again and so far 1day no freeze so i am hoping it is now fine not sure which it is im assuming bios update has done the trick but we will see
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