Question about Dell Studio 540 MT Pentium DualCore E5300 26GHz 2GB 500GB DVD±RW Windows 7 Home Premium wHDMI (683728212391) PC Desktop
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 03, 2013
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Posted on Jan 02, 2017
SOURCE: Dell Dimension 8400
I have this exact problem.
The Dell Dimension 8400 will seem to randomly go into fan-jet-turbo mode on power-up and fail to boot. The problem I'm referring to is not a heat problem which an over-speed fan might otherwise suggest but a hardware problem the details I'll get to in a bit
I've done all the normal and obvious stuff that has been reported before
remove/replace AGP video card
removed all extra power loading / drives / USB etc
check supply voltages with a DMM (I even re-adjusted the hipot to get the right voltage - it was a little low)
As an engineer it is important to determine root cause. Do to this it is necessary to find a way to make the problem occur and not occur. If you're able to do this you can fix it.
Well in my case the problem it related to a mechanical stress on the heatsink. What I mean is a little force pushing the heat sink toward the fan turns off the problem (boots normally) while a little force in the directly away from the fan turns-on the problem (fan-jet-turbo-mode).
The root cause is could one of several things, it could be a damaged motherboard with a broken trace, it could be a socketing issue,
The Fix (not really - just a band-aide) was to use a tie a couple of small tie-wraps through a some small holes in the heatsink then through the fan mounting holes.
Only slight pressure is necessary - too much will likely cause permanent damage. The fan is mounted on rubber isolators so it somewhat limits the force on the heatsink
Any this mechanical issue is somewhat supported but all the information I've read - how removing/replacing the CPU can fix the problem, changing memory, removing cards - all these mechanicall stress the motherboard and likely move the heatsink some.
Intermittent problems are the worst to debug!
San Jose, Ca
Posted on Dec 07, 2008
Check motherboard for bad capacitors. I had the same problem and when i had bad capacitors replaced everything is ok.
Posted on Feb 20, 2009
When you mean the amber light, is that the blinking hard drive access light or the power light? Different cases have different colors on it. Mine has blue and green lights.
If you see the boot screen (bios) and then after it goes to boot, does it blink and hang?
This could be a simple operating system issue, hard drive or hardware/motherboard issue. If you could provide more information, that would help.
Posted on Jun 28, 2009
The first thing that i would do, would be to unplug the power cable and network cable from the back of your computer.
let it sit for about 15 minutes.
plug power and network back in. Amber usually indicates a power fault condition, hopefully you will see green now when you try to turn it on, and also see the hidden diagnostics numbers lighting up as well. (the green numbers 1-4 right above where the power button is)
If not, then with the power and network cables unplugged, give all the power connections going to your motherboard a good look over for any that may appear to be not quite seated. Gently pushing down with finger and thumb with a top down pressure (not really hard, it doesnt take much to reseat these if they are loose.
There is a wide flat gray cable that carries all the connections from the front of your computer to *********** board. this is located very very close to the power supply. try gently pushing down on that to see if it was loose. if it was removed when you cleaned it, i would pull it out again and check for any bent pins in the connector on the motherboard.
Also checking your drive cables going to the motherboard, and again applying very gentle pressure, top down.
Reseating the memory may also help but this doesnt sound like a memory related problem.
plug power cord and network cable back in.
If still no boot,
unplug power cable and net cable. then one last thing to try is removing the CMOS battery, and letting your system sit for at least 6-8 hrs. there is a jumper method of doing this but unless you are familiar with setting a jumper i don't recommend it.
reinstall your CMOS battery, plug power cable and net cable back in.
Try to power up
If you still have the problem, much as i hate to say it there is a high risk that there was ESD (Electrostatic discharge, static electricity) that does destroy sensitive computer components.
If your vaccum has a plastic nozzle, even just a split second contact on the motherboard in the wrong spot is enough to do the damage. im only putting this in as a last resort, but ive seen this type of thing quite a few times.
If this is the worst case scenario then it would require replacing the motherboard.
hopefully this helps, and if i have helped you please dont forget to rate
Posted on Feb 16, 2010
Testimonial: "Although I wasn't successful in reviving my Dell after "cold-storaging" it for 3 months, thank you very much for your great service tips."
indications of a no post
Most likely a bad motherboard due to failed capacitors
Posted on May 05, 2010
Tips for a great answer:
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you plug in the power cord is there any lights whatsoever on the computer?
When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.
Beep tones and blinking lights tells the technicians what is going on with the computer and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).
Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button.
you have a Static Charge Buildup. Remove the Power Cord, then Press and
Hold the power button for 30 seconds. After 30 seconds plug the power
cord back in and hit the power button to see if it boots.
your memory is bad or the memory slot is bad.
the Power Cord, Open the Case and remove one of the memory chips. Set the
chip aside then try rebooting the computer. If it boots, then you know
the memory chip you set aside is bad so mark an x on it with an ink pen.
If it fails to boot then move the chip to the next memory slot and try
rebooting. If it fails take the chip out and set it aside, then put the
other chip in and try booting it in both slots. If it boots, just to
verify that the chip set aside is bad, mark an x on it and put it into the open
memory chip slot and try booting.
your power supply is bad. Sometimes there is enough power to make the
power light or some other lights come on but not enough power to make the fan
turn on or hard drive spin.
Below are links and info I found from Dell's Website based on your model.
Controls and Lights Front of computer:
Power button - push button
green light - Blinking green in sleep state; solid green for power-on state.
amber light - Blinking amber indicates a problem with the power supply inside the computer. If the system cannot boot and there is a solid amber light, this indicates a problem with the system board (see "Power Problems" in your Owner's Manual).
four lights on the front panel (see Diagnostic Lights.)
Standby power light
AUX_PWR_LED on the system board
Hard-drive activity light
green light - When the computer is reading data from or writing data to the hard drive.
LAN indicator light
green light - Solid green indicates that a LAN (local area network) connection is established.
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