Question about Foxconn C51XEM2AA-8EKRS2H (0683562100229) Motherboard

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Repeated boot. My pc was packed away for 4 months in its original box. I took it out and connected all the enitial cables. then i powered it on. a weirde sound came from the case. goin like this (WwWwWwWwWw) where it should be more like (WWWWWWWWWW. I looked at the motherboard LED chip, all the codes where standered boot up. CO,23,46..... But after about the first 5 boot codes, it goes --. then it startes again, it just repeats boot up, no BIOS, no nothing, all cabvles connected correctly. Pc on 8 mounths minus 4 old. so 4 mounths. It has Water cooling. whan i looked at the disc-drives, it kept on blinking every 2 seconds, i could not open ethier of them, please help. Sunite

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Re: Repeated boot.

Ok... first check that all power cables from your supply are firmly in place and that the little red or green switch on the back of the computer that changes the Voltage setting is correct unless you have a UPS. secondly make sure no loose debry, cable, or cpu box it touching the motherboard and it is still secure in its mountings. then check that the power, reset and all LED plugs are correctly connected to your MB for connections look at your user book for details. now how far does the computer go in the POST ? if its possible i would also reset the BIOS by either removing the battery from the motherboard and starting it up then replacing it and downloading system BIOS chipset boot disk from: good luck.

Posted on Sep 22, 2007

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Why is this Win7 Ultimate x86 PC showing an error 80-pin Connector not found and boots only into win7 RE recovery mode?

The PATA interface was originally designed as a 40-pin system and still is. The ribbon cables were originally 40-wire cables. A special type of cable with 80 wires was then created to improve data throughput rates. Note that the number of pins remains 40, with a special type of ribbon connector connecting ground to 40 wires internally. The ground connections are placed between each of the data carriers to reduce cross-talk and allow up to 3 times faster operation. ATA33 is supported by 40-wire connection, ATA66 & ATA100 require 80-wire. Motherboards can check the speed of the data throughput to determine if a 80-pin cable is being used. Some BIOS setup options allow for this feature to be turned off. The HDD or DVD must support ATA66 or higher to work at the higher speed of a 80-wire cable.If you connect a slow hard disk or DVD drive on the same ribbon as a fast hard disk then the system will default to the slower speed. You also need to make sure the master and slave are connected to the correct connectors on the cable.
Firstly try each drive separately to see if the 80-pin error goes away.
Rather than master/slave on one cable, try each hard drive as a master on separate cables (IDE1 & IDE2).
Secondly, the boot partition may have corrupt data preventing boot. You should check both hard drives for errors by connecting to another PC if possible. This would also allow you to back up any important files so that you can re-install the operating system if required.

Jun 01, 2016 | Motherboards

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First boot device option not showing in boot menu

There are several things that could cause the problem. There could be no power to the device or no data cable connected (loose cables), the boot record could be corrupted or the device has failed.

If you recently opened the case (desktop), make sure that the 4 pin power cable is fully seated in the device and that the IDE cable is correctly connected to device and the motherboard (at the master cable connection). (Take the device out of the case and check that the jumper is set to Master or Cable Select. This can vary depending on the manufacturer. If you are unsure, please post a comment with the device information.) If you have a laptop, the IDE and power cables are unified at the device (44 pin). The cables can also come loose or damaged. Try replacing the cable or using a different power connection from your power supply.

Try accessing the BIOS and see if the device is listed. (Depending on the motherboard, this can be accessed by pressing ESC, F1, F2 or F10 repeatedly as the computer starts. If you miss the timing, try again.) If the BIOS doesn't list the device, the computer can't see it.

Which device is currently not showing up? If it is your hard disc, get a system recovery, install or upgrade disc for your OS. With a Windows OS, get one that matches the service pack and version (Home or Pro) that is currently installed. Boot to CD (press F12 repeatedly as the computer starts) and select the Repair option. Attempt to repair the Master Boot Record with the BootRec command in the command prompt. Type "bootrec /fixmbr " without the quotes followed by enter. (Other bootrec commands may also be needed. A complete reinstall of the OS might be required if the bootrec repair doesn't work.) Note: bootrec is used with Vista and Win7. XP just uses the fixmbr command directly.

If these steps don't help, you may need to replace the device. If it's your hard disc, you may need to use your system recovery optical disc set and backup to restore your computer. You might be able to salvage the data from the original hard disc by placing the drive in the freezer (protect it from the freezer moisture). However, some of the OS information or the original recovery partition on the disc may not transfer so you need to be prepared to reinstall your OS if you do not have the recovery disc set.

I hope this helps.

Cindy Wells
(Yes, I've dealt with a corrupted MBR with Win7. Assuming you made a System Repair disc, it's not too bad. If you have an older Windows OS that didn't ship with a Windows CD, find someone with the install CDs.)

May 29, 2012 | Intel ASUS P4BGL-VM 845GL Chipset Ultra...

2 Answers

Won't start, then stop right away

check if your power source is ok. it may be broken and this is why you hear the fans start and then stop right away. they are working about 3-4 seconds, aren't they?
remove and put back the jumper for clear cmos after you test your motherboard with a new ac source

Jan 25, 2010 | Biostar P4M900-M4 Motherboard

1 Answer

Intel dg31pr motherboad not booting.

Unhook everything except power and your monitor. Put one stick of memory in and attempt to boot. Post here with results, what power supply you're using, what memory, and what processor.

Jun 07, 2009 | Intel DG31PR Motherboard

1 Answer

Cpu can not boot

I don't think it is a ram issue.Try this when the computer is booting,hit the F8 key. That boots you into safe mode where only the most necessary drivers and programs load. If it loads in safe mode that is good. A little bit of daignostic work can locate the problem after that.

Dec 03, 2008 | Motherboards

1 Answer

Hard Drive not found after installing software.

  1. Boot to the bios with the HDD connected
  2. Turn on all the lock lights on keyboard (SCROLL< CAPS<NUM)
  3. Press ALT+E (Wait for Beep)
  4. Press ALT+F (Wait for Beep)
  5. Press ALT+B to reboot
  6. IDE redetect should initialize on boot.
  7. HDDs should now be seen

Sep 29, 2008 | Motherboards

1 Answer

Won't detect the hard drive

Try the out of case build explained here, it can really help when trying to narrow down a defective part.

Aug 30, 2008 | Intel D845HV (735858149143) Motherboard

2 Answers

Need drivers

To download drivers for the EliteGroup 7S5A Pro , click on the link below.

Most common issue's for not being able to boot PC system.
1. Swap power cord/replace. Check video connection cable,
Check monitor power cable. (Check wall outlet is good).
2. Reset cmos/bios. (Need to use manual for board to reset)
3. (No display on monitor, can hear fan's running & LED's on case light/flash). Remove & re-seat video card, same for memory. (While in PC check all power connections & data cables to devices.
4. Fans not running & no LEDs do not light/flash. Power supply may be bad.



May 01, 2008 | EliteGroup K7S5A Pro Motherboard

1 Answer

D915GAG problem

this cant have anything to do with only replacing a cooler, unless when fitting it you have caused some sort of stress damage to the motherboard. Check all seatings of ram, graphics card and power connections in case they have been dislodged. I assume you have tried resetting the cmos settings in case there is a corrupt bios for some reason. The only other check is to see if the cooler is starting up straight away, as the processor may be shutting down if there is no fan running, or the motherboard is reading the temperatures incorrectly and not enabling you to boot.

May 09, 2007 | Intel D915GAG Motherboard

1 Answer

No booting (Smthing I never seen)

is the power supply good enough? a P4 certified? You need at least a 400W, better anything higher for a decent machine today. Low quality PSUs do that, just will not turn on. (assuming all the rest is set and connected properly as u said, otherwise there is a trilion other possibilities, like wrong cpu type, an onboard VGA card as default, CPU power cable not connected, graphics card not seated properly, IDE cable in wrong position, etc...)

Jan 21, 2007 | Intel Motherboard

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