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Memory problem

Discussion in 'Hardware' started by oldcity, Feb 13, 2016.

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  1. oldcity

    oldcity Thread Starter

    Joined:
    Feb 7, 2016
    Messages:
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    Tracers intermitently at various places on the screen. Also have had the screen go black running
    from the top to the bottom. I have removed the memory sticks, cleaning the crud from the gold
    plating using 70% rubbing alcohol. Soft absorbed residual alcohol then let them finish
    drying for 3 hours. Upon reinserting the sticks and booting after about an hour the black
    screen started down the screen again. I stopped it with a ctrl-alt-del. A warning message
    told me to reboot the computer now. Upon reboot after a while a 1/4 inch line appeared
    across the bottom of the screen about 2 inches up. Later it became compressed to about
    1/8th inch.
    The machine Dell B110, 768 ram, Ubuntu OS
    What would be my next step?
    tia
    oldcity
     
  2. managed

    managed Trusted Advisor Spam Fighter

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    First Name:
    Allan
    I'm guessing you have 2 x 512MB ram sticks and 256MB is used for the graphics. You could try swapping the sticks over in the slots, that might show which stick (if any) is causing the problem.

    Also you could test each ram stick separately with Memtest by burning a bootable CD using the ISO download from here :- http://www.memtest.org/#downiso

    That will run regardless of what OS is in use. Run it for at least one full pass (more is better so overnight if possible) but if it shows any errors the ram stick is probably faulty OR the relevant motherboard socket is faulty so try both sticks in both sockets to pin it down.

    EDIT : I'm assuming the PC uses built-in graphics on the motherboard ?!
     
  3. flavallee

    flavallee Trusted Advisor

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    First Name:
    Frank
    You appear to have about a 10-year old Dell Dimension 1100/B110 desktop.
    It originally came with Windows XP Home Edition or Professional or Media Center Edition 32-bit.
    It has Intel 82865G integrated graphics.
    It uses 184-pin DDR333 or DDR400 modules and supports a maximum of 2 GB(1 GB + 1 GB) of RAM.
    Yours appears to have 768 MB(512 MB + 256 MB) of RAM.

    ---------------------------------------------------------------
     
  4. oldcity

    oldcity Thread Starter

    Joined:
    Feb 7, 2016
    Messages:
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    Here's what I have done so far. I did the mem test using the Ubuntu mem
    test utility. I let it run for about 14.5 hours. It reported no errors.
    I plan to run it next week using one stick at a time the 512 and 256 sticks.
    As to the possibility on the video memory being bad how would we check it
    ahead of time. lspci shows:
    "VGA Compatable Controller Intel 82865g Integrated Graphics Controller (Rev02)."
    A couple of places suggested the Controller is on the motherboard. Don't know.
    Not sure if I mentioned earlier the tracers show up after going to a few web
    sites.
    I'm a Ubuntu Linux guy and know nothing about using Windows.
     
    Last edited: Feb 20, 2016
  5. managed

    managed Trusted Advisor Spam Fighter

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  6. oldcity

    oldcity Thread Starter

    Joined:
    Feb 7, 2016
    Messages:
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    This is a follow up to thread Memory problem from February.
    After swapping ram, cpu and hdd and working with system stuff
    document, photos and command line stuff and no problem as in
    tracers and solid black lines showing then going to the internet
    using Firefox and the tracers etc reappeared I decided to
    completely delete Firefox and reinstall. The problem went away.
    Thanks to those who looked and commented on the problem
    Problem solved.

    oldcity
     
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