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Problems and solutions to system modules

Find and list common problems associated with motherboards,power supply CPU and their symptoms.closely studying the CMOS,BIOS settengs and suggest how to troubleshoot problems such as post error codes

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  • Anonymous May 15, 2009

    When i switch on computer, The green light is blinking on monitor, no display on monitor what i have to do. i change the monitor, ram, monitor cable, i remove the ram, and but i have still that problem.

  • Prathap
    Prathap May 15, 2009

    When i switch on computer, The green light is blinking on monitor, no
    display on monitor what i have to do. i change the monitor, ram,
    monitor cable, i remove the ram, and but i have still that problem.

  • Yannick Verhoog May 11, 2010

    What exactly is the problem?



6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: bootup problem

you have problem with the memory (RAM). check it

Posted on Mar 08, 2008

  • 2351 Answers

SOURCE: Intel D865PERLL Motherboard will not power up

Hi nkda2000, this is as close as I could find for power schematics. Intel D865PERL

(There is no Intel D865PERLL board). Sure it's a typo. Have done searches for D865PERLL & found it (Not on Intle's web site) but when looking at the specs it's listed as D865PERL. (One L ) not two.

I hope the Technical Product Specification pdf can help you check the power on the motherboard.



Posted on May 08, 2008

  • 781 Answers

SOURCE: Cannot change cmos settings.

Try this.
Open case somewhere on motherboard will be (reset BIOS) or word to that effect. it will be a small 2 pin connector with a jumper on 1 pin connect the jumper across both pins for 30 seconds remove jumper fit back over 1 pin (not get lost) reboot your BIOS should have reset to default hope this helps post comment if does please

Posted on Jul 27, 2008

  • 1 Answer

SOURCE: new asus m3n72-d motherboard bios will not post

If you don't already have a case speaker hooked up to the board, you might want to connect one since there isn't an on board speaker and you will not hear error beeps otherwise.

Also, if you have another non-phenom AM2 processor handy you should really update the BIOS to latest release. Many late model Phenoms will not work on motherboards that have earlier BIOS releases and you will not be able to post. You should then choose "Set Optimized Defaults" and save the bios without any changes then shut down (not reset). When you power on again it should post and you should be able to get into the BIOS.

A third thing you can try (after you get a case speaker hooked up) is using a cheap pair of ddr2-6400 RAM to get the board to post so you can get into BIOS and change the voltage to the correct settings for your RAM if it requires a higher voltage than the bios expects.

Posted on Nov 17, 2008

  • 1 Answer

SOURCE: mother board d845 gvsr display

hi all,
can anyone tel me where should i buy the intel D845GVSR mother board.


Posted on Feb 03, 2009

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I plug it in, and the fans spin briefly, but the computer doesn't seem to get power. When I unplug the power supply, however, the green light in the back of the power supply turns on, as well as a green...

Because the capacitors in the PSU retain a charge, the LED lights will glow after the power is switched off, these will fade out after a few seconds.

It would appear that at first glance, the PSU is indeed bad and the only way to eliminate this is to replace it with a known working one (I'm also assuming that the 4 pin yellow and black CPU plug that comes off the PSU is plugged into the motherboard?)

If this works than it was your PSU

If it does not work, there are several other possible reasons why this is happening:
Before doing the tests below, physically inspact the motherboard. Look for blown or buldging capacitors (the small cylinder objects), brownish residue, bulging sides etc are symptoms of a dying mobo. Check there are no objects causing a short on the board (you may need to remove the board to check) also, check the brass standoffs are not contacting the uninsulated parts of the board
  1. Faulty hardware: remove all the power rails to the drives and optical drives and test
  2. Bad Ram: remove all ram modules reboot and see if it beeps several times, replace each ram module in turn and retest
  3. Bad CPU (common fault), replace CPU with a known good one, retest.
  4. Bad Motherboard power regulator: No solution for this other than to replace the board

Feb 07, 2011 | Gateway 556GE Intel Pentium 4 630 3GHz(HT)...

1 Answer

My computer turns off and on again for a few seconds. (this time it will bootup) when i pressed the power button. i already change the ram to 1gb but the problem still occurs. What can i do to fix this...

It may be owe to software problem 1, the virus "shock" virus attack will prompt system will automatically start in few seconds. From the remote control you Trojan program all the activities of the computer, including let your computer restarts. Remove viruses, trojans, or reshipment system. 2, the system files damage system files destroyed, as the KERNEL32. Win2K DLL Win98 features, the font list below such basic execution system files destroyed at startup, system will therefore cannot finish initializing and forced the restart. Solution: cover installation or reinstall it. Hardware problem: 1.Chassis power is not enough, dc output is pure, the dynamic response sluggish. Users often ignored or assembling businessman, using cheap price of power supply, so is the largest system of automatic restart suspicion. (1) the power output power shortage, when run large 3D gaming occupy CPU resource of software, the CPU needs power supply, power is not caused by overload protection, stop the power output. After the output power to stop, load, reduce power restart. Due to the protection of the recovery/time is short, so we are hosting automatic restart. (2) power dc output is pure, pure dc power supply of digital circuit requirements, when the power output of too direct, the harmonic content will result in digital circuits, performance is often work to crash or restart. (3) working load of the CPU is dynamic, on the current requirement is dynamic, and the dynamic response speed quickly. Request Some of the poor quality power dynamic response for a long time, could also lead to crash or frequent restart. (4) high-end graphics update equipment (large disk/video card/equipment (increased), after the hard disk) / burners, power supply of original beyond rated output power will cause the regular crash or restart. Solution: now in high quality high-power computer power. 2.The memory chip thermal stability, incorrect or damage to restart the system memory problems to restart the system of risk. (1) the poor thermal stability of memory, boot can work normally, when the memory to a certain temperature, temperature is can not work normally, which leads to crash or restart. (2) memory chips, slightly damaged, also can pass on self into the system, when the operation can be some big software throughput will restart or crash. Solution: replace memory. (3) memory of CAS value too small can also lead to instability caused by system memory, automatic restart. General had better use the default Settings, don't roll change yourself. 4.The CPU temperature exorbitant or the cache damage (1) the CPU temperature exorbitant often causes protective automatic restart. The basic reason of high temperature is due to poor cooling chassis, CPU, the CPU is undesirable reasons: the heat radiator thermal conductivity low, radiator material with a foreign body between CPU interface (1) for quality assurance, fan speed is low, the fan and radiator dust too much, etc. And P2, P3 motherboard CPU temperature probe damaged under the mp4 or within the CPU temperature detection circuit on the mainboard damage, the BIOS BUG in a special conditions of temperature, the CPU CMOS setup to protect low temperature, etc. Can also cause protective restart. (2) of an internal CPU, level 2 cache damage is CPU common fault. The extent of damage, or can start, when running into the system, the software (some throughput big media player, games, 3D graphic) will restart or crash. Solution: in the CMOS setup of shield (L2) or level 2 cache cache (L1), 1 or replace the CPU. 4.AGP display, PCI CARDS (nics), cat restart automatically (1) the external card or poor quality work not standard, AGP/PCI bus signal misoperation cause system RESET to restart. (2) and graphics, loose network system may cause restart. 5.Parallel, USB access is serial, fault or the incompatibility of external devices restart automatically (1) the fault or not compatible with the parallel damage, such as printer, a foot of short-circuit, USB equipment damage of short circuit, signal level sutural definition, opaque, etc. (2) hot swaps external devices, shaking, cause signals or power instant short-circuit. 6.Mainboard failure In case of automatic restart motherboard is rare. Generally RESET circuit are associated with a fault, Socket weld is empty, slots, contact undesirable, Individual chip, capacitance elements such as damage.

Jun 23, 2010 | Acer Aspire 4315 Notebook

1 Answer

My toshiba system

On system switch-on, your computer does some safety checks and if there is any problem, deactivates the power supply to avoid damage escalation. Many different causes are possible, you need some local expert to have a direct look at the system to solve the problem. An incomplete list of things that may be wrong:
  • Cooling fan for CPU broken or not connected,
  • CPU broken or not properly seated in the socket,
  • RAM modules broken or not properly seated in the socket(s),
  • Any dirt (especially metal particles) cause a short cut,
  • Power supply is dying.

Jan 28, 2010 | Toshiba Satellite (K000004080) Motherboard

1 Answer

No Beep Sound and Screen while starting the system

It could be power supply, processor or the motherboard.
Try first with the power supply. Then try changing the processor.
I guess that you have problems with the processor.

Sep 03, 2009 | MSI PT880 Neo FSR Motherboard

1 Answer

Recgonize and list common problems associated with system modules(motherboards,power supply,cpu) and their symptoms,closely study the cmos,blos settings and suggest how to troubleshoot problems such as...

When you on th comptuer one post beep appear, if there is long pause beep is hear then there is error on ram, and if there is long beep is hear there is error in CPU, it may in over heat 
ok byee

May 13, 2009 | Intel Motherboard

2 Answers

Unable to find replacement motherboard for e-machine 5220

Try I've gotten a number of system boards from these folks.

But before you decide the system board is bad, you might want to try another power supply. The ones emachines uses are known to be a common problem.

If the system board is bad, another option is to purchase a new board from any of the many online sellers (I like and The case takes a standard system board, not some special proprietary design, so you can put in any one that fits and uses the same processor. Then you can reuse the processor and memory from the old board. New system boards start at only about $50, and you can find them on ebay for even less.

If you decide to replace the board with something other than the original, unless it's the same brand, chipset and features as the original, you won't be able to use the emachines software recovery CD. You'd need to install a new copy of WIndows, but you should be able to activate it with Microsoft using the product key on the computer. Preloaded systems don't make you activate Windows, it's already done.

(I'm doing this right now for a friend's Acer. His system board died, so I'm putting in a new one and a better processor and more memory as well. Parts cost for all the new stuff is $147, and a replacement original system board would cost $199. He'll get a better computer for less money this way.)

Nov 20, 2008 | E-Machines eMachines Desktop PC

2 Answers

Intel D865PERLL Motherboard will not power up

Hi nkda2000, this is as close as I could find for power schematics. Intel D865PERL

(There is no Intel D865PERLL board). Sure it's a typo. Have done searches for D865PERLL & found it (Not on Intle's web site) but when looking at the specs it's listed as D865PERL. (One L ) not two.

I hope the Technical Product Specification pdf can help you check the power on the motherboard.



May 07, 2008 | Intel D865PERLL Motherboard

1 Answer

Your solution re motherboard

"voltage regulator module" thats have next to core voltage connector it's supply to cpu
cpu need 2 volt 45 amp and our power supply can produce voltage 12 volt 3 amp so motherboard can produce more amp for cpu . 6 mosfet using for this process it's near by cpu

Apr 11, 2008 | Intel Motherboard

1 Answer

1 Long beep every 2 seconds

This particular symptom may reflect a problem with any number of components. A bad CPU or video card, for instance, may prevent the computer from booting properly. Often the number of beeps will clue you in to the offending hardware. Check your system or your motherboard manuals' troubleshooting sections for a list of beep codes.

If the beep codes indicate a memory problem, make sure all memory is properly seated and secure. If you've recently added new memory, make sure it's compatible with your system. You may also want to try cleaning the pins on each module and each socket on the motherboard.

If you have multiple memory modules, try to isolate any bad modules by removing all but one module and booting the system. If the system boots, turn it off, replace the module with another and boot the system again. When the computer refuses to boot, you've found your problem module.

Again, you may want to reorder your memory modules. Faster modules in the DIMM0 slot can cause a problem on some systems.

Feb 28, 2008 | MSI K9VGM-V Motherboard

3 Answers

NFORCE3-A Won't post with 2 sticks of 512MB DDR RAM, only if 1 stick used :-(

U cannot use 2 identical DIMMs of RAM Memory, find two same and faster, couse 233 or 300 is too slow for nForce3 motherboard.

Aug 30, 2007 | EliteGroup nForce3-A Motherboard

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