Question about Dell OptiPlex GX270 PC Desktop

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Dell GX270 does not recognise HDD after CMOS battery failure

I have a Dell GX270. My machine has been in storage for about a year and a half and when I first started it, it behaved okay, brought up Windows XP as expected, but reported a low internal battery voltage when it was going through BIOS POST checks. Didn't think much of it until I switched it on the next day and Zip, Nada, didn't even get past POST checks. Checked BIOS settings via F2 at startup and it didn't even have a HDD recognised, IDE HDD set to OFF in BIOS setup. Checked the HDD in another machine and it works fine. Replaced the CMOS battery a CR2032 and still no change. Tried a different HDD in the GX270 and still nothing. Even with new battery in I reset the CMOS memory and still doesn't recognise the original HDD, so I am completely stuck! Anyone know of a cure for this?

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  • widget100 Mar 11, 2009

    Unfortunately its the BIOS that sets this field after it has identified the model of HDD in the computer during startup, I don't get to set this field. If I reset the field to Auto, it simply comes back with a drive type as "Unidentified Drive" which is its nice way of saying 'there is no drive!'. Thanks for your help though.



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Posted on May 09, 2015

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It Seems to me IDE HDD In your BIOS should be set to on.

Posted on Mar 11, 2009

  • Mark Van Skiver Mar 11, 2009

    OH. Thought it was to simple.

    OK try this remove power from computer.
    Open computer up.
    Unplug power from HDD. Not IDE cable.
    Follow power cable to power supply, find a different power line one hopefully on different line.
    Plug new line into HDD.
    Plug computer back in.
    Try reboot.
    I hope it is a simple power supply failure. But watch for led's on HDD & CD/DVD drive to see if they are working. No light no workie.

    Also Is your Cd/DVD drive opening & closeing. If it is that is a good power line. Borrow it if above does not work. Just leave CD/DVD unplugged for diagnostic.

    Good Luck.



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