Question about Abit Computer-model:AN78GS Motherboard

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Mother board freezes on abit logo wile starting....

I checked power supply and its good. I tried putting one ram chip at a time an still... disconnected CD, HD, and still... i just build from scratch. it booted fine for a week. then when i started disconnecting components or switching spots it would freeze on logo so i had to wait about an hour and it would boot fine but after 2 weeks it finally got stuck on the abit logo and i cannot go in to the bios. I also tried reseting bios and taking out the battery.. haaaaaa... help

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  • Anonymous Mar 03, 2009

    Ok I checked the power supply with a flashlight and itlooks good. The thing is that at school I also tried booting up with anotherpower supply and it did not work...same problem.. Now I'm not sure about openingthe power supply..(Don’t want to void the warranty on it….) Thanks for thereply… please reply if you got more ideas….

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Hello Carlos,

Did you open the powersupply and check? I have recently worked on a PC with a similar fault and I found that the circuit board is partly charred and couple of capacitors leaking. I advice that you check it and post back..( I can't forget that repair coz I got one hell of a shock while working on it)

Sai.

Posted on Mar 02, 2009

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Hp Pavilion, Power supply Inactive, HHD savagable, intel Chip Savagable, i was thinking a new motherborad for the chip and the hard drive ????


Hi,
If your Desktop not start it means not you mother board problem because starting you find your SMPS proper running or not. Because SMPS supply all power in CUP so you check it SMPS on or off position. if SMPS ok then you check it mother board light on or not, if on then ok or not on then you change SMPS supply.

If your display issue then you check it RAM and HDD.

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I have an abit av8 mother board and am tryng to install a new power supply (G7 powr exteme) the LED2 is flashing with with no constnt power availabe to power up te system please help is my board or th


Hello here is the homepage:

http://abit.ws/page/mi/download/download_driver.php@pFUN_KEY=9000&pTITLE_IMG=_2Fdownload_2Fimages_2Fdownload.html

You have probably connected the +12 volt 4 pin, connector wrong.
The pci-e graphic connector, sometimes fit here.
When this happends the mainboard will not boot up.
Try to read the manual for the power supply.

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Nov 09, 2012 | Abit Computers & Internet

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The mobo continuously beeps (ram not properly placed). so i took out the ram, reinstalled it and it worked. recently i wanted to change rams, so when i installed the new rams the mobo beeped again (similar...


I am not sure if you have tried this, but take one stick of ram put it in the first slot. Try to boot if it beeps or not, power down and move to the next slot with the same chip (we are assuming this is a good ram chip). Repeat for every slot on the computer. If you have 1 or 2 slots that beep and the rest do not; bad slot on the mother board. If all slots beep, try a different chip (bad ram??). If no slots beep, repeat steps with each individual ram chip (you could have just one or two bad and causing all the issues).

Hope this helps

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Toshiba tab turns on but Screen stays black what do I do


I would check the ram chips first,, pull them out and reinstall them, most of the time this will work. if not.... try starting the laptop with only one ram chip installed, then try the same thing with the 2nd ram chip install,, test one at a time..

If this dont work it may be a bad GPU connectoin to the mother board,
This can be fixed but in most cases a new mother board is needed.

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No power,power supply seems ok,green light on mother board on. when pluged in the fan runs for a couple seconds and turns off.power button has no effect.


sounds like a mother board issue,

start with pulling out all ram chips and re try,,

then try pulling all cards out like old modem and also cdroms.

if ever thing but power is unpluged its a bad mother board or CPU chip

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Problem on Boot


Hello tccat1,

Definitley sounds like a bad motherboard, however, try removing the memory and using a different stick if you have some. Maybe 512 see if you can at least get it to post.

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One long beep.


  1. Leave the memory slot closest to the processor empty and try booting again. Award bios 1 long beep is memory error as the first 64K of the ram stick closest to th processor is accessed first. since you have tried different ram in different locations, let's rule out the board.
  2. If that doesn't solve anything try a different power supply. Sometimes (Phoenix) gives a long beep when system board or power supply are bad.
  3. Now if nothing else has worked it is probably tour mother board.

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1 Answer

Reboots at different times, some times windows logo is grayed out and hangs


its is possible that you have some bad memory search & download a program called memcheck 1.70 or later, and either put it on a formated floppy or burn onto a cd ,make sure that the boot sequence in the bios is set to go to that drive first
the pc will boot into this program and will keep running untill you stop it,if their are any errors it will show up ,you will need to establish what memory chip it is, if you have more than one chip.

it could also be a power supply, supplying iregular voltage.

also xp requires at LEAST 256 mbs to run badly, more is better.so if you are using less than 256 mbs it will be the problem.

good luch
Terry

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No display


check that your display card is seeted properly and your ram,if you have two ram chips remove the chip in socket no.1 and replace it with the other chip.

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