Question about ASUS A7V400-MX Motherboard

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Computer does not start, yust beeps. Power source fan OK, CPU fan OK. Any idea, what to check, or repair?

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Check your RAM

Watch this video here

Posted on Jul 19, 2009

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Inspiron m5030 cpu fan start working but stop working in a few seconds


Step 1:
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 new hardware If any new HARDWARE has been recently added to the computer, remove that hardware to make sure it is not the cause of your issue. If after removing the new hardware your computer works it's likely the computer is either not compatible with the new hardware or a system setting needs to be changed to work with the new hardware device. Remove any disks or USB devices Remove any disks, CD's, DVD's that are in the computer and if any USB devices (Ipods, drives, phones, etc) are connected disconnect all of them as well. Reboot the computer and see if anything changes. Disconnect external devices. Remove everything from the back of the computer except the power cable. Turn on the computer and see if it beeps normally. If the computer has never beeped keep the monitor or display connected to see if any change occurs. Check all fans Make sure all fans are running in the computer. If a fan has failed (especially the heat sink fan for theCPU) your computer could be overheating or detecting the fan failure causing the computer not to boot. Check all cables Verify that all the cables are properly connected at that there are no loose cables by firmly pressing in each cable. All disk drives should have a data cable and power cable connected to them. Your power supply should have at least one cable going to the motherboard. Many motherboards may also have additional cables connected to them to supply power to the fans. Disconnect all expansion cards If the above recommendations still have not resolved the irregular POST, disconnect the riser board (if applicable) and each of theexpansion cards. If this resolves the issue or allows the computer to POST connect one card at a time until you determine what card is causing the issue. Disconnect all drives If you were unable to determine by the beep code what is failing or do not have a beep code disconnect theIDE, SATA ,SCSI or other data cables from the CD-ROM ,Hard Drive and Floppy Drive from the Motherboard. If this resolves your irregular POST or generates error messages re-connect each device until you determine what device or cable is causing the issue. In some situations it can also be a loose cable connection that causes the issue. Remove the RAM If you continue to to receive the same problem with all the above hardware removed, disconnect the RAM from the Motherboard and turn on the computer. If the computer has a different beep code or if your computer was not beeping and is now beeping turn off your computer and try the below suggestions. Making sure to turn off the computer each time you're adding and removing the memory and then turning the computer back on to see if the suggestion resolves the issue. Re-insert the memory into the same slot. If you have more than one stick of memory remove all but one stick of memory, try rotating through each stick. Try one stick of memory in each slot. If you're able to get the computer to boot with one or more of the sticks of memory it's likely you're dealing with some bad memory. Try to identify what stick of memory is bad and replace it. If you're able to get memory to work in one slot but not another slot. You're motherboard is defective you can either workaround the issue by running the memory in a different slot or replace the motherboard. Power cycle the computer In some situations a computer may have power related issues often caused by either the power supply or the motherboard. To help determine if this is the cause of your issue try turning the computer on, off, and back on as fast as possible, making sure the computer power light goes on and off each time. In some situations you may be able to temporarily get the computer to boot. This should only be used as a temporary workaround if you're able to get this to work. Often this is good for users who may have not done a backup and need to get the computer up one more time to copy files before starting to replace hardware. Disconnect and reconnect the CPU For users who are more comfortable working with the inside of their computer or who have built their computer one last recommendation before assuming hardware is bad is to reseat the CPU by removing it and putting it back into the computer. Bad motherboard, CPU, RAM, or power supply If after doing all of the above recommendations you continue to have the same issue unfortunately it is likely that you have badMotherboard, PSU, CPU, orRAM. The next step would be either to replace these components or have the computer serviced. If you plan on doing the repairs yourself or you are a repair shop it is suggested that you replace the Motherboard first, RAM, CPU, and then power supply in that order or try swappable parts from other computers.

Feb 10, 2013 | Dell Inspiron M5030 Laptop

Tip

A Comprehensive Guide on Computer Beep Codes. (AWARD BIOS)


When a computer is booted up its BIOS, it performs a power-on self test, also known as POST, to test and verify the computers hardware and to make sure all components are working properly. Here's a comprehensive guide on how to determine which component has failed on a particular beep code and give you an idea on where to start for troubleshooting.

The exact meaning of the beep codes depends on the type and version of BIOS that you have. The three most popular types of BIOS are those made by Award, American Megatrends (AMI) and Phoenix. If you are using a PC made by a company that writes its own BIOS, e.g. DELL, HP, etc, you will have to consult your PC user's manual or the company's web site for assistance.


Beep Codes for Award Bios.

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1 long, 2 short = Video adapter error

Troubleshooting: Either video adapter is bad or is not seated properly.

Repeating (endless loop) = Memory error

Troubleshooting: Check for improperly seated or missing memory. Reseat the memory if you can.

1 long, 3 short = No video card or bad video RAM.

Troubleshooting: Reseat or replace the video card.

High frequency beeps while running = Overheated CPU

Troubleshooting: Check the CPU fan for proper operation. Check the case for proper air flow.

Repeating High/Low = CPU failure.Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat.

Troubleshooting: Check the CPU fan or BIOS settings for proper fan speed.


I will be posting more tips on other versions of BIOS.
Hope this helps.

on Mar 25, 2011 | Computers & Internet

1 Answer

Power light on back of Inspiron 518 is on but computer will not start by pushing start button on front panel.


Things to check !..
1st check the CPU fan to be functional cause its failure will lead to this behavior .
2nd check the ram memory ...If it has issues with the ram memory it may not boot at all ..or try to boot but only the fan will start and will make some warning beeps and go in a starting loop ..
3rd is a CPU failure..In this case the computer may start or not ..and in case it starts only the CPU will spin ..but nothing on screen .
In the last case check the wires from the source to the board ...the plugs to be well inserted and the source itself ..(measure ti with something ..or use it in another computer to see if ti is functional ..
Please rate my answer if it helps..have a good day !

Sep 19, 2011 | Dell Inspiron 518 Desktop Computer

1 Answer

When i turn the power on, 3 beeps play, the fan runs and the power light comes on, but nothing else


Hearing ONE beep is normal, and a signal that the computer hardware is OK.

Hearing THREE beeps is a signal that something is wrong:
* burnt-out CPU,
* one of the fans is not spinning (clogged?) or spinning too slowly (about to seize-up),
* one of the RAM chips is defective
* the video-card is not working

If there is more than one RAM stick, remove all but one stick, and start it up, to see if it starts.

Check that the fans are spinning freely.

Dec 14, 2010 | Gateway GM5260 PC Desktop

1 Answer

I have bought parts for a new PC. When starting it up for the first time I just got a 'No Signal' message on the monitor screen. The motherboard is the Rampage III Extreme. The red led is lit on the...


When you turn the computer on, it should "beep" once, if all the hardware (RAM, CPU, video) is working correctly. If it beeps more than once, something is wrong. If there are no beeps, check that the PC Speaker is correctly attached to its pins on the motherboard.

Try the RAM and the video in another motherboard, to confirm that they are working correctly.

Try a different power-supply -- it should output several different voltage-levels, but if it's not 100%, then the motherboard won't function at all.

Oct 23, 2010 | ASUS Rampage Extreme Motherboard

2 Answers

No signal to monitor , checked with another source to monitor it is working fine , not sure what to do next


Hello,

Have you checked if the cable is well connected to the CPU and Monitor?

Also loose the CPU case and check the VGA card if it well fixed to the board.

If a CPU ram is not well fixed to the mother board, there would never be a display on the monitor.

Lastly, check if electric current is interring the CPU. You can know through the power pack fan at the back of the CPU. And check power cables and socket.

Best wishes.

Dec 28, 2009 | E-Machines T6414 (RBT6414) PC Desktop

2 Answers

Not booting but RAM,processor,SMPS ,HD are fine.


Check without Video Card, Processor , Memory and beeps are coming

If no then this is motherboar issue, I had the similar problem. So went to the local repair shop and got the power capacitors replaced,

Jan 29, 2009 | Asrock P4i65GV Motherboard

1 Answer

Starting problem


check the processor fan is working or not. check its connector. Also check if there is any beep sound.
if processor fan is ok then disconnect all the cables, data and poewer cables. plug the power connector to motherboad only and listen if there is any beep sound there.
tell me after doing this, if problem doesnt solve.
regards,

Jul 27, 2008 | Computers & Internet

4 Answers

PCVRS620G won't turn on


i feel this is not a big problem. if u hear a beep of ram on beap on boot then ram is ok just short it and check for displaay. check ur cpu socket it may be loose. if u don hear a beep on boot change the ram and ur problem will be solved

Feb 07, 2008 | Sony PCV-RS620G PC Desktop

4 Answers

No power up


Here was the fix for me. The machine refuses to boot if the video card is not functioning. It should have one long beep however to tell you that there is a video problem. Someone hooked up our speaker incorrectly though! So we got no beeps. Once the speaker was hooked up and the video card was replaced, all is well!

Oct 23, 2006 | ASUS P4S533-VM (P4S533-VM/L) Motherboard

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