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Power Supply Replacement Causing Lag

Discussion in 'Hardware' started by tarabear, Mar 10, 2014.

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  1. tarabear

    tarabear Thread Starter

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    I just recently replaced an old power supply that had died on me. After I put a 600w in, the computer lags pretty bad. It wasn't lagging prior to the replacement. Any ideas?
     
  2. crjdriver

    crjdriver Moderator

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    OK, no one [other than you] has any idea what we are attempting to fix. Post ALL of your exact system specs; ie exact mb installed, exact ram installed, video card installed, AND the exact pw supply you installed. Note do not post "500W" post the exact make and model#
     
  3. tarabear

    tarabear Thread Starter

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    ATI Radeon HD 4800 Series
    EVGA 600B PSU
    DDR2 PC2-5300, DDR2 PC2-8500, DDR2 PC2-6400 (4GB total) Memory
    Realtek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC (NDIS 6.20)
    Wireless-N150 USB Adapter WNA1000
    Intel Core 2 Duo CPU E8400 @3.00Ghz
    Intel Core 2 Duo CPU E8400 @3.00Ghz

    Did I get all the specs?
     
  4. metallica5456

    metallica5456 Trusted Advisor

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    which exact 4800 series card are you running?? Your PSU seems decent enough..but we need to know which card you have to be sure.
     
  5. tarabear

    tarabear Thread Starter

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    ATI Radeon HD 4800 Series

    -------------------------------------------------------------------------------------
    | Item | Value |
    -------------------------------------------------------------------------------------
    | Device Type | Display adapters |
    | Device Name | |
    | Description | ATI Radeon HD 4800 Series |
    | Manufacturer | Advanced Micro Devices, Inc. |
    | Location | PCI bus 1, device 0, function 0 |
    | Driver Provider | Advanced Micro Devices, Inc. |
    | Driver Version | 8.970.100.1100 |
    | Driver Date | 4-29-2013 |
    | Status Code | 0 |
    | Status Message | OK |
    | Class GUID | {4D36E968-E325-11CE-BFC1-08002BE10318} |
    | Device ID | PCI\VEN_1002&DEV_9440&SUBSYS_0851174B&REV_00\4&36A62D7E&0&0008 |
    -------------------------------------------------------------------------------------

    This is everything winaudit put up.

    Also a side note, from time to time the PC will randomly turn off. I'm guessing it's overheating? I had a friend clean the processor and the heat sink and he put some sort of cream on it (sorry I don't know the lingo).
     
  6. metallica5456

    metallica5456 Trusted Advisor

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    well take the side panel off and look at the actual card can you see any numbers on it???? My first guess would be overheating (still) or a bad /underpowered PSU.
     
  7. metallica5456

    metallica5456 Trusted Advisor

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    the PCI and VEN reference a 4250...but as far as I can tell that's a laptop GPU...so you'll have to provide the GPU info if possible.
     
  8. crjdriver

    crjdriver Moderator

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    It is not uncommon for a pw supply failure to fry/damage other parts ie mb, ram, video card, etc.

    First step would be to swap in a known good pw supply for testing. Note known good does not mean new; it means a quality unit pulled from a working system that you know works. A pw supply can be DOA or bad just like any other new part AND that will really mess up your troubleshooting.

    If it is just not possible to swap in a known good unit, then do the following;
    1 Restart the system and enter the bios. Post the following info, cpu temp, system temp, 12V, 5V and 3.3V values.
    2 With the system OFF, get a bright light and give the board a VERY close inspection. Look for any leaking/bulging or discolored capacitors. In addition, look for any overheating or burn marks on the board.
     
  9. tarabear

    tarabear Thread Starter

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    UPDATE

    So basically what I noticed was a lot of concern with the video card. I took it out, had it cleaned completely and put that cream on it. I downloaded TechPowerUp GPU-Z (a program designed to check the GPU's heat). Ran that before and after the cleaning and saw a major drop in heat. System performance is back up to normal and is no longer shutting off randomly.

    Thank you all so much for your help. I would have completely overlooked this if I hadn't posted.
     
  10. metallica5456

    metallica5456 Trusted Advisor

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    ahh..an overheating card. Glad you got it sorted
     
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