dim hdd light & freezing soon after startup..

By KernyKat ยท 4 replies
Sep 22, 2005
  1. Hello all :) I came across this forum searching from google, and it looks like a friendly community. I know this is my first post(and it's a Help me!! post), but I look forward to contributing where I can: I don't plan on running off once people help me :)

    Anywho, I have two symptoms:
    1. When the hard disk is not being accessed, the hdd light goes dim (partially on, but not fully bright) rather than off.
    2. Soon after starting up, it freezes. More specifically: at the xp login screen, if I wiggle the mouse for a while, after a few seconds it'll stop moving and neither it or the keyboard will respond. If I just go ahead and log in, I can usually get to my desktop and click on an icon before it freezes. Once it freezes, the HDD light stays full-on, but no accessing noises from the hdd.

    The system specs are listed in my profile (it's the desktop computer), and to that I would add:
    * Windows XP Pro
    * 400W PSU (only ~2 months old)
    * The graphics card (Radeon X700) is only 1 month old.

    Here are some of the things I have tried:
    * Swapping out the hard disks and the graphics card in many combinations.
    * I tested the ram with MemTest86. Passed with flying colours.
    * System Restore, just in case a rogue driver or such had found it's way in. (Safe more works without any problems!)
    * The voltage and temperature readings in the bios seem fine.
    * With no hard disks or expansion cards save for a Nvidia Riva TNT2 and cd drive, Ubuntu Live CD works fine.
    * With only one hard disk and the TNT2 attached, XP still freezes. Possibly a software issue involved?

    One thing just came to mind: <i>This happened soon after trying to install a floppy disk drive</i>, which I havn't used in ages. I gave up on it because I couldn't be bothered figuring out which connector on the cable was A: and which was pin 1. That's not what I want help on, tho :) the computer *did* work after the fdd thing for a day or so.

    Maybe the psu is shot? The thing with that is- it's only two months old!!! And surely the floppy didn't kick it over the edge? It's 400W, albiet a moderately cheap brand. The voltages in the bios look fine...

    Any help would be *greatly* appreciated.
  2. vnf4ultra

    vnf4ultra TechSpot Paladin Posts: 1,388

  3. KernyKat

    KernyKat TS Rookie Topic Starter

    It is an "ISO" branded PSU, Model Number ISO-400, which unfortunatly sounds like a camera film speed so I havn't been able to find an online link to one.

    I don't know any other specs apart from it being 400W.

    So these symptoms could be the (brand frikkin new) power supply? I guess i'll have to fork out for a decent one if it is. I took a look at that link, and there's plenty more info around about what are reputable psu brands, but is that what the actual problem is?
  4. mailpup

    mailpup TS Special Forces Posts: 7,185   +469

    It's not always about the newness or wattage of a PSU. A crummy or no-name brand is enough all by itself. I'd say it's likely the power supply came with your "standard" case. Those are often suspect.
  5. KernyKat

    KernyKat TS Rookie Topic Starter

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