Question about Dell Dimension 4700 PC Desktop

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No display and wont boot

I have a dell 4700 dimension which has no display and just the orange light blinking intermittenly on the power button, I have stripped the motherboard down so no peripherals are plugged in just the cpu and same thing happens power supply fan wont even turn, but when I take the cpu out the power supply fan and heatsink fan both spin normally and the orange light goes ******* but still wont boot and no display or error beeps.

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  • Neeama Dec 14, 2008

    I have a consistent blinking orange light when I power up the computer, the fan starts then stops and thats all that happens I want to throw this computer out the window but I have all my pictures and files and everything on it. Does anybody know what I can do ? Pls Help Me Pls

  • sullytech Dec 25, 2008

    I have same issue and resolve it by simply holding power button down for a few seconds until pc turns on. No other problems evident once it's on.

  • Anonymous Mar 21, 2014

    At power up, does not boot from disk, cd, dvd or floppy. Power supply seems ok. Rechecked cables, changed disk hardware. Still only a black screen with a flashing cursor.

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  • Dell Master
  • 998 Answers

A Blinking Amber or Yellow power button means that the power supply is receiving power from the source but is unable to properly distribute it to the components. This can be caused by a defective power supply or a defective motherboard. Power supply is easier and cheaper to replace.





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Posted on Nov 12, 2008

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Green power light comes on but disk drive lights keep blinking and my screen is black on my dell dimension 4700


Remove ALL media from the machine DVD, CD, USB, etc. Check/reseat all Monitor cables. Reboot. If that fails, unplug , plug back in in 30 seconds or so. reboot, if you get a Dell Logo, Open the boot Menu and select Boot from HDD first.

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to boot up:
1.Restart Your computer Press Delete until BIOS setup appears.

2.Go to Advance BIOS setup then Boot sequence.

3.First Boot Your CD-Rom, 2nd Boot the HDD-0.

4.Save The Settings Then restart.

5)when appear "press any key to boot" then click ENTER button of your keyboard it will automatically boot.

Aug 17, 2011 | Dell Dimension 4700 PC Desktop

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Blinking amber power button dell 4700 c / light blinks & after a while it boots. when its running its fine works with no problem. Is it power supply. bad fan, coms - battery , or hard drive . or all...


first remove your memory and clean it with a clean cloth the remove the processor fan and clean the surface ot the fan an the processor then apply a thin layer of heatsink compound and fix tightly to the socket

Apr 27, 2011 | Dell Dimension 4700 PC Desktop

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Dimension 3100 turns on the power button has a steady orange light there is also an orange light on motherboard cpu and power suplly fans working but wont bot up


Blinking amber (orange) indicates a problem with the power supply inside the computer. If the system cannot boot and there is a solid amber light, this could indicate a problem with the power connections for the CPU on the system board (see "Power Problems" in your Owner's Manual).

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Flashing Amber power LED indicates a bad power supply.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817822008&cm_re=atx_power_supply-_-17-822-008-_-Product

If the LED Is SOLID amber, it is likely either a component connected to the Motherboard or a bad motherboard

May 15, 2010 | Dell Dimension 4700 PC Desktop

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Try resetting the BIOS, see if the drive re-detects
  1. Boot to BIOS F2
  2. turn on all 3 lock lights (NUMLOCK, CAPSLOCK< SCROLL LOCK)
  3. Press ALT+E, then ALT+F then ALT +B and system will reboot and re-detect drives
  4. If HDD is not detected, reseat data and power cable connections, try again
  5. if still no go, then HDD has likely failed

Mar 21, 2010 | Dell Dimension 4700 PC Desktop

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Have a dell dimension 4700 with orange steady light?


Turn the machine off and unplug the AC power then hold the power button in for about 30 seconds to drain any residual power. Plug it back in and turn it on, when you see the Blue DELL word press CRL+ALT+D and this should run a diagnostic on the hard drive. If it runs ok you will get a pass or fail on the hard drive. If you cannot get the diags to run you might have a bad power supply or motherboad/processor. I would find a known good power supply and try it before the motherboard.

Mar 09, 2010 | Dell Dimension 4700 PC Desktop

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I turned on my Dell Dimension 4700 computer,but the amber light started to blink . I held the start up button for 5 seconds and the light went out. I tried to start it up again and got the same thing,...


Vaughn it sounds like the power supply is going bad, try another known good working power supply. If that doesn't work then the motherboard would need to be replaced. If the power supply isn't giving the correct voltages that could cause the computer not to turn on. If the motheboard isn't able to convert the voltages properly then the motherboard could be faulty.

Dec 23, 2009 | Dell Dimension 4700 PC Desktop

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I have a Dimension 4700 and it will not boot more than half the time. So I did a clean OS install and drivers, updated everything and it was working great. Tried to turn it on this morning and the same...


If you have a Dell, then do this the next time.

As soon as you see your system creating problems again, turn to the back of the computer. There are 4 LED lights. See the status of those lights, I mean, green, orange etc. Check it on support.dell.com and see if you find something useful.

Nov 02, 2009 | Dell Dimension 4700 PC Desktop

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Beeps, wont boot up


Most of the time when it beeps, and there is nothing show on the computer screen, it is a RAM problem. A stick of ram may have gone bad. If you have two sticks of ram in the computer, you can try to remove one stick at a time to see which one might have gone bad.

Mar 23, 2009 | Dell Dimension 4700 PC Desktop

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