Resolución de problemas de la placa base
La placa base es el ordenador, por lo que el síntoma habitual de una placa base defectuosa es un sistema completamente muerto. Los ventiladores, las unidades de disco y otros periféricos pueden girar si la placa base está muerta, pero lo más frecuente es que no ocurra nada cuando enciendes el ordenador. Ni pitidos, ni luces, ni ventiladores, nada.
Si crees que tienes una placa base muerta, piénsalo otra vez. La causa más probable de un sistema muerto es un fusible o disyuntor fundido en el receptáculo de pared. Si estás seguro de que el sistema recibe alimentación y acabas de instalar la placa base, es mucho más probable que te hayas olvidado de conectar un cable o hayas cometido algún otro error básico que que la propia placa base esté mal, suponiendo, por supuesto, que la placa base problemática sea un producto de alta calidad.
Cuando las placas base malas se vuelven buenas
Muchos vendedores en línea han dejado de aceptar devoluciones de placas base "malas" precisamente por este motivo. Resulta que unas 19 de cada 20 placas base devueltas como defectuosas son perfectamente buenas. El comprador simplemente no instaló la placa base correctamente. Aun así, muchos usuarios optan por comprar sus placas base en grandes almacenes u otros establecimientos locales, porque suelen tener mejores políticas de devolución. De hecho, algunas personas solucionan los problemas de sus sistemas comprando una placa base en un establecimiento y devolviéndola si resulta que no es el problema. Creemos que eso no es ético, pero como le dirá cualquier vendedor, es una práctica habitual
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¿Qué hay detrás de un nombre?
La mayoría de las placas base de marca, sobre todo las de Intel y ASUS, son de muy alta calidad; las placas base baratas, incluidas las que se utilizan en la mayoría de los sistemas de consumo masivo, son de muy baja calidad. Llevamos años utilizando placas base Intel y ASUS. En un envío de 100 placas base, no es habitual encontrar ni siquiera una defectuosa. En un envío de 100 placas base baratas, no es raro encontrar la mitad o más DOA, y muchos de los restantes fallando poco después de que se instalan.
En un sistema en funcionamiento, es muy raro que una placa base de alta calidad falle si no es por daños causados por rayos (véase Fuentes de alimentación y protección de ordenadores) u otros abusos graves. En particular, es casi inaudito que una placa base falle mientras está funcionando, en lugar de cuando se inicia el sistema. Un sistema muerto es más a menudo causado por una fuente de alimentación muerta que por una placa base muerta, por lo que el primer paso para solucionar problemas de una placa base aparentemente muerta es cambiarla por una fuente de alimentación que se sepa que está bien. Si el sistema sigue completamente muerto con una fuente de alimentación en buen estado, es probable que la placa base esté defectuosa y deba ser sustituida.
No es raro que una placa base falle parcialmente. Por ejemplo, una interfaz ATA o el vídeo, audio o LAN integrados pueden dejar de funcionar, mientras que el resto de las funciones de la placa base parecen funcionar con normalidad. Es posible solucionar estos fallos parciales, por ejemplo, desactivando la función que falla en la configuración de la BIOS e instalando una tarjeta de expansión para sustituir la función integrada que falla. Sin embargo, desaconsejamos esta práctica, ya que un fallo parcial de la placa base suele ir seguido de un fallo completo.
Configuración del CMOS
Para configurar los ajustes de CMOS, BIOS y chipset de la placa base de su ordenador, consulte la página Configuración y ajuste de la CMOS de la placa base para obtener instrucciones y consejos.
Actualización del BIOS
Para actualizar el sistema BIOS del equipo sin sustituir la placa base, consulte la página Actualización del BIOS de la placa base para obtener instrucciones y consejos.
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30 comentarios
The solution to a wrong bios update is to remove the bios chip reprogram with the update and put it back into the motherboard socket.
luisaparente - Contestar
how do you program it whilst it is removed.? Please reply on;trevermzbk@gmail.com
trevermsga - Contestar
I would like to know how you reprogram the chip, too.
Kevin Meisenbacher - Contestar
Same here
Will you Honor me with your knowledge?
@luisaparente
iorysrage - Contestar
if it's serial flash chip, you'll need simple serial programmer (SPI programmer), or built one. it's simple, you'll need some discrete passive elements, like resistors and couple of diodes, and also a serial/ parallel port, or USB-to-Serial adaptor, just check your search engine for details. But if your BIOS chip is parallel programmed, then you'll need more sophisticated microcontroller based programmer and special socket (usually PLCC32) to put flash chip in it. You can distinguish flash type by leg count. If it has 8 legs (DIP-8 package), its serial, if more (like 32 in PLCC32 package), then it's parallel.
Arbeit Ainstein -
@Arbeit Ainstein Thank you for giving us a direction
iorysrage -
Hi....I'm having a problem with my Proline laptop, it starts normally and work for about 15 minutes then after that start beeping for 2 - 3 minutes then shuts down. What could be the problem? Please help
Lindokuhle - Contestar
it could be overheating. get the cpu cooling fan etc cleaned and lubed.
mjb437 -
Power is nt gng to keyboard mouse monitor no beep Sound fans in cpu working when pc on keybaord light just flash once but after that no power I replace cmos batery also ram re install but no use plse help me
SATYA DURGA SEKHAR - Contestar
I’m having this exact same problem currently. Any advice out there?
Jeffrey Herold -
What can be the problem if the motherbord goes on but there is no screen display if i put in an graphics card then still no screen pls reply on renierpatrickcloete@gmail.com
renier Cloete - Contestar
My laptop won't stay on it flashes the boot image and just shuts off sometimes it'll boot up but it randomly shuts off when it starts working and won't stay on again sometimes getting windows 10 problems on boot up is this because of my motherboard? It seems perfectly fine i can't see anything wrong with it
Kuzo - Contestar
i install a new HDD in my cpu but when install OS in my cpu then it throw a error that OS cant be deploy can u tell me what is the issue
lalit panda - Contestar
Power supply was tested and found good! But there's no power when I try to power on the desktop. What might've gone wrong?
Clarence Mendez - Contestar
I have been told I either have Motherboard beginning to fail - or a bios virus? Everything powers up but keyboard and mouse don’t work once past the bios. There are two hard drives - one soldered to the Motherboard which was the original boot drive and is not showing in the bios. The second one is fine. The second one has been wiped with parted magic (cant even use keyboard and mouse in parted magic). I can boot linux live but can’t install due to no functioning keyboard. Have used Kaspersky rescue disk via usb to virus scan and nothing found (used a usb mouse to do that). But it can’t virus scan the non showing disk because it’s not showing. So is this a sign of a damaged or failing Motherboard or possibly a virus on the non showing driving (boot virus?). I would try flashing the bios but am now concerned about transferring viruses via usb so have binned the usb stick and don’t want to keep binning usb sticks!
Jojo Run - Contestar
Other things I’ve tried - opened it up, reseated keyboard and mouse cables (with antistatic wrist band on). Replaced keyboard with a different one from the same model laptop. Same issue. I bought this laptop second hand knowing the screen had gone (it was on but only partially displaying). Replaced the screen. Screen is fine. Just the keyboard and mouse not working now.
So is it - failing Motherboard, boot/bios virus, or possibly liquid damage to parts of Motherboard? I know that can make a screen and keyboard partly fail. But the fact the keyboard works in the bios is the strange bit.
Jojo Run - Contestar
My laptop power is blinking I tried with removing battery but it's not getting on
Nisha Chidgal - Contestar
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Beautiful Albania - Contestar
my motherboard has failed am told to replace it can there be any other solution
Nancy Nyang'ara - Contestar
My laptop will not charge or start up at all. Would the mother board cause this ? Tha
Mary Jane Burket - Contestar
It is more likely the power supply, often a bad solder joint on the laptop connector (easy fix)
William Belanger -
My computer was left alone while unplugged during the night, and when I went to turn it on, poof, dead.
Tehc Studios - Contestar
My pc does not turn on when i press the power button. I tried jumping the power supply with a paper clip and the power supply was spinning and lights were on. I put the 24pin on the mobo. Turned it on and nothing happened. Is my mobo dead? I dont know what to do.
Vhinz - Contestar
If the motherboard in my ASUS Desktop is of good quality as I have read in your review, I must have won the lottery in defective ASUS motherboards with two motherboards failures. The ASUS service center replaced the first one about 18 months ago at great cost which failed again. No ownership was provided by the Service Centre or ASUS product team. Beware consumers that ASUS is using inferior parts however l charging premium prices. Look around and avoid using ASUS if you are expecting your motherboad to last 24 months or more. Regards from disgruntled user Anne
annelanders007 - Contestar
I keep getting restart Ipv4
terryweissenbach - Contestar
Please how exactly (the step by step process) does someone Troubleshoot a Motherboard to fix ASUS Beep codes?
richardchukwukajuwah - Contestar
Mine failed about 6 months ago. I woke up in the morning after a normal night and the pc would boot before getting stuck into a boot loop if I remember correctly and I know the power supply is good because the usb ports in the back of the motherboard are powered so what's happened and how can I fix it because a replacement motherboard is like 100 pounds for a reputable source
Peter Bryer - Contestar
I have removed the hard disk, bought a powered caddy, plugged into my 2nd laptop.
Can save my own data, and hope as now an external hard drive I can delete Windows system.
But how to re-install Windows from a disc? Cannot be done in situ as drivers not loaded sufficiently to recognise my DVD internal drive.
Can this be done as an external drive plugged into another laptop?
Old lady, nearly 80 yrs old. Vanwin
van win - Contestar
Hi guys I don't know if this is the right place but need a motherboard repaired for a Kenmore washer can someone help me locate who can help me with this I would really appreciate this, Art , artfig99@gmail.com thanks
art figueroa - Contestar
what is my charging light comes on but my system and laptop does not power on at all is it my PSU or my motherboard?
OOF - Contestar