Question about Compaq D51C PC Desktop

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Wont start... my cou wont start up.. it will just turn on and thats it.. the motherboard wont even go to the cmos..

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  • errolferds Jan 21, 2009

    i mistyped cpu.. thanks for the help..

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Well first of all when you say "my cou wont start up" I assume that you're talking about your "computer". Secondly if it is your computer that is having the problem, and it's not booting up, it could be a couple of things. First I would try checking to see if the CMOS battery is dead, the CMOS battery is a silver, flat, round like object usually looks like a watch battery, you may want to replace that. If problem still persists, then you could have a bad power-supply. Take it to a reputable PC repair shop, and have them test the power-supply. My ultimate guess is that it's the power supply that is bad.

Posted on Jan 21, 2009

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Test all leads that attach to your hard drive including electrical extensions IDE,SATA

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This is some info I found that may help you:
"Using the Motherboard "Clear CMOS" Jumper or Dipswitch settings Many motherboards feature a set of jumpers or dipswitches that will clear the CMOS and wipe all of the custom settings including BIOS passwords. The locations of these jumpers / dipswitches will vary depending on the motherboard manufacturer and ideally you should always refer to the motherboard or computer manufacturers documentation. If the documentation is unavailable, the jumpers/dipswitches can sometimes be found along the edge of the motherboard, next to the CMOS battery, or near the processor. Some manufacturers may label the jumper / dipswitch CLEAR - CLEAR CMOS - CLR - CLRPWD - PASSWD - PASSWORD - PWD. On laptop computers, the dipswitches are usually found under the keyboard or within a compartment at the bottom of the laptop.
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Removing the CMOS Battery The CMOS settings on most systems are buffered by a small battery that is attached to the motherboard. (It looks like a small watch battery). If you unplug the PC and remove the battery for 10-15 minutes, the CMOS may reset itself and the password should be blank. (Along with any other machine specific settings, so be sure you are familiar with manually reconfiguring the BIOS settings before you do this.) Some manufacturers backup the power to the CMOS chipset by using a capacitor, so if your first attempt fails, leave the battery out (with the system unplugged) for at least 24 hours. Some batteries are actually soldered onto the motherboard making this task more difficult. Unsoldering the battery incorrectly may damage your motherboard and other components, so please don't attempt this if you are inexperienced. Another option may be to remove the CMOS chip from the motherboard for a period of time.
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