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No start, but power supply is good

Is there a motherboard reset or fuse? Power supply checked good. Will not boot. Fans start to kick on then stop. Motherboard bad?

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  • Greg
    Greg Jan 19, 2013

    Its a Dell DCMMF, hard drive is good too.

  • Greg
    Greg Jan 19, 2013

    Already figured it out, but thanks. Power supply didnt have enough power to start it up. PS checked good, but not enough amperage ... thanks though.

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WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Remove the memory modules from their slots. Take the opportunity to clean the slots on the motherboards and the memory module connectors. Use compressed air to blow dust away and clean contacts with a soft cloth. Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components. Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r Allow the pins to dry. They will air dry in a matter of minutes. If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer. Check the memory module and memory slot contacts. They are either copper tin or gold. The colour will tell you which they are. Mixing tin and gold can result in corrosion that prevents proper contact. Look for any sign of physical damage to the memory module, memory slots or the motherboard. Reseat the memory modules. You should hear an audible click when they are in place. Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard. The hardware that you are trying to access is damaged or failing.


The device drivers for the hardware are faulty or incompatible. Could be a problem with the Hard Drive or the Hard drives PCB http://www.onepcbsolution.com/ There is a connection problem such as a bad cable for internal hard drives
Test all power and data leads that attach to your hard drive IDE,SATA
the leads from your MOTHERBOARD TO THE HARD DRIVE make sure they have a secure dust free connections and are not faulty or just replace them they could be faulty if its a flat 40pin ide this will be the first to fail Make sure all leads that are attached to your drives dvd\cd and floppy (If Applicable) have secure connections and are not faulty. or just replace them they could be faulty a computer needs power and data to travel through every working device and continue its cycle and have an end so any faulty leads will end up with a computer error

Hope this helps.

Posted on Jan 19, 2013

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SOURCE: Dell Dimension 5100 will not power up

No doubt you've fixed this or given up by now but in the interest of helping others with this problem here is a solution. I had the same problem and it turned out to be the Front I/O & Control Panel Assembly. I suspect that the USB ports had shorted out and took the whole card down. The not turning on problem was preceded by the USB ports failing. I couldn't figure out how to bypass the card to power the computer. Dell won't help if you are not under warranty (unless you purchase some additional support). I couldn't find a replacement board on Dell's web site but found some other vendors that sold them. I bought one for about $70 and it did the trick. There seems to be at least two similar model numbers for this card. I don't know if they are interchangeable or what the differences are. If you look on the card there should be a series of numbers. Look for an "X" followed by 4 numbers. In my case it was "X8682". This is the model number for the card. If you search for shopping sites with your Dell model and this card number you should find vendors to buy the card. I think this is a design flaw having the USB ports on the same connection as the on switch. It looks like many people have had this problem. One bad usb port and your whole system is taken down. My guess is that the average user is not going to be able to figure this out and will spend lots of money unnecessarily. For those comfortable opening up the case and covers (you can download the manual from the Dell site) and unplugging ribbon cables this is a fairly simple fix. Keep in mind the card won't come with any instructions. Make sure you follow power safety rules and ground yourself.

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SOURCE: Dell Inspiron 530 won't start up - is motherboard dead?

From your description, I agree with you assessment of a likely Motherboard failure.

Posted on Mar 09, 2010

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