Question about Dell Dimension 5100 (D51L1) PC Desktop

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My Dell 5100C PC just restarts atfer a few minutes. I have replaced the power supply and that had no change. I can't run any virus detection due to the PC crashes before the scan can take place. I don't know what to try next.

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What programs were you using most often when it happens?
If you have too many programs open AND viewing a video, then the memory was over-run and re-booted PC (not powered off).

Let's look at the "System Logs" in the Event Viewer to see what it reports:
Right-click [My Computer]
Select +[Event Viewer] in the +[System Tools] section
Click on "System" and view the right window.

Don't be alarmed at all the yellow warnings....
Find any recent RED circles with an "x" and let us know what the issue is.
If none, look at the yellow triangles and maybe that will tell us something.

You can also check the [Application] or [Internet Explorer] sections.

Posted on Sep 30, 2009

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First try replacing RAM....its it doesnt work well.......reinstall windows......this should solve your prob......do reply back

Posted on Sep 30, 2009

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It could be a thermal issue

I would suggest getting a can of compressed air made for computers

take it outside, take of the side and blow all the gunk out of there, Really go to town around the fan (you might want to wear eye protection)
While you are in there just check that the CPU cooler itself is not loose

If it is it will have to be re-seated.

If it needs re-seating don't just take it off and put it back on as that might make things worse with your temperature problem they have to be cleaned and new thermal grease put on ($2-5)

DON'T remove the CPU just the fan/cooler assembly.

You must clean both the surfaces without scraping anything off. Use isopropynol alcohol and cotton bud sticks until both surfaces are clean, you can use your finger nail to scrape harder residue if you wish but nothing else.

DON'T pour the alcohol over the CPU

Now apply some new thermal grease (most computer shops have it)

Be careful about how much you put on

Here are
some basic instructions


Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer.

If everything went to plan you should now be back in business or at least able to run virus scans etc.

Posted on Sep 30, 2009

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2 Answers

What can cause computer power to cut off every 15 to 30 minutes? There is no overload on the outlet all my other products are operating fine.


I would be tempted to sub another power supply in the computer because the original supply appears to have intermittent issues. It is remotely possible it could be the motherboard, but I feel it is unlikely! either way a technician needs to check your system.

Jan 07, 2011 | Dell Dimension 5100C (D51CL1) PC Desktop

1 Answer

Computer keeps shutting off every five minutes or so


Computer may be shutting od due to following reasons:

Computer Virus
There are higher chances of a computer shutting down due to the interference of a computer virus. The virus gets into the computer and fiddles with crucial sections of the operating system, which may cause the system to shut down automatically. You need to install a good antivirus software and get the computer scanned thoroughly for any malware and viruses. Also see to it that the operating system and all hardware drivers are updated.

Power Supply
The computer power supply unit is an equipment that is installed in the cabinet to provide power to the system for operation. Your computer can shut down, if there is not enough power supplied to it for handling the programs running. If you are using the computer for running intensive software such as PC games, the system would require more power than what is actually available. Another reason can be overheating of the power supply. After the power supply is used for a substantial period of time, there is a possibility of dust getting collected inside it. And this may cause it to overheat, resulting in the shutdown of the desktop computer. If the power supply is at fault, you may need to get a new one installed.

Overheating of the Motherboard and the Processor
As with the case of dust getting collected in the power supply, the computer motherboard and the processor can also collect dust, which may be the reason for their overheating. This may also be one of the reasons why your computer keeps shutting down and restarting. You need to open the computer cabinet and clean the dust off the computer parts. The CPU board and the processor can also overheat because of many applications running. If this is the case, then it is suggested to keep the running of applications as less as possible or increase the size of Random Access Memory (RAM). Bad capacitors on the motherboard is also one of the reasons, why your computer keeps shutting down very often.

The 'Automatically Restart' Setting
If you are using Windows XP operating system, there is a setting that indicates the computer to reboot if it detects an error in the system's operation. In order to check if this is the problem, click on 'Start' and 'Control Panel', then select 'Performance and Maintenance'. Click on 'System', then the 'Advanced' option, and select 'Settings' from the 'Startup and Recovery' section. You will find an 'Automatically restart' option, which you need to uncheck for preventing the system from rebooting. Read more on computer keeps restarting on its own.

These were the possible reasons, why your computer keeps shutting down and rebooting. You also need to check if the power cables are properly connected to the cabinet and to the UPS, as loose connections can also be a reason for system shutdown. The most common cause of the computer getting shut down or restarted is due to overheating of the power supply and other internal computer parts.

Dec 29, 2010 | Mirus Computers & Internet

1 Answer

5100c wont power up and green LED next to power supply is blinking.


Hold the power button in for 10 seconds on the tower, then push it back- it sounds like your system is locked into standby/hibernation- holding the button forces a full shutdown. If that does not work, write down your express service code. If the system is still in warranty, you may need to contact Dell technical support to have your system troubleshot for No Post. If not, utilize support.dell.com to troubleshoot the No Post situation- often, the system will tell you which component failed, which saves you money as far as repair costs go!

Nov 04, 2010 | Dell Dimension 5100C (D51CL1) PC Desktop

1 Answer

Dell Dimension 5100c Model: DCCY will not boot.


Hi,

Is the power button a steady abmber light?

If so follow the instruction below>>>>

Remove the power cord from the back of the computer. Then open the side casing of the tower and unplug the 24 pin block connector from the motherboard. The 24 pin block connector looks like this >>>>>

0b6066f.jpg


Once removed press the on/off button on the computer to dispel and residual power from the motherboard.
Then connect the block connector again and put the side panel back on and then plug the power cord back in and try to boot the computer up.

If its still the same then the power supply inside the computer may need replacing.


Good luck.

Jul 03, 2010 | Dell Computers & Internet

1 Answer

Dell XP restart problem


This error comes due to 1. RAM problem or 2.Hard disk problem or 3.Software/device driver problem or some times 4.Virus problem.
First you run the system in safe mode (pressing F8 at booting) - restore the system (start-programs - accessories - system tools - system restore). PC will be restarted and if it runs well then fine. If not again run in safe mode- uninstall few softwares or utilities, clear the temporary files, few drivers - restart the PC it may run well. If it does not run in safe mode the problem may be due to virus or critical RAM problem (main suspects, as the error may be for different reason). Now you format the hard disk and install your applications and drivers one by one and restart and check whether the problem repeats. Failure with the step you should change the RAM. With all failures - motherboard should be repaired and you have to give to the service center.

Jun 13, 2010 | Dell Inspiron 6400 Notebook

2 Answers

After beeps 3 times my desktop will turn off. and show light no 3 & 4


This could be due to many reasons.
1.DUE TO VIRUS INFECTION. Scan your pc for virus infection by running full system scan through your antivirus.Also update your antivirus.
2. DUE to irregulated power supply, your processor temperature can change abruptly,which can lead to the problem u have described. U can check the processor temp. through BIOS.
3.Finally check and re-install your window drivers.

Apr 21, 2010 | Dell Dimension 3100 PC Desktop

2 Answers

My Emachine wont stay turned on


My first guess is that you have a virus.  If your virus check software cannot find the problem, other possibilities are a bad power supply or power switch.

Feb 27, 2009 | E-Machines eMachines Desktop PC

1 Answer

Dell inspiron 1720 reboots randomly


there are several reasons why a pc restarts: 1. there might be a virus that causes this, thry to scan your computer using the updated anti virus. 2. your power supply might be faulty, if your pc frequently restarts the 12volts supply is having a problem, you need to replace the power supply. 3. operating system error, you need to repair your OS. what i have suspected from the problem you relayed is that your power supply, you need to replace this.

Apr 29, 2008 | Computers & Internet

2 Answers

Restart


dear chama119
scan your pc in safemode by updating your antiviruse(plz disable system restor)

Apr 10, 2008 | Intel D101GGC Motherboard

1 Answer

Dell xps 400 won't boot


If you have you have changed motherboard with diferent CHIPSET you need to re-install OS!

Another Couses:
1)Virus Problem
2)Program Conflict on STARTUP-Go with safe mode -with admin privilges then go start run TYPE there MSCONFIG and desable all programs ( do not desable antivirus ) AND restart pc!
3)Another hardware error!

Dec 26, 2007 | Computers & Internet

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