I work with my computer but no power signal in the board or even a beep to determine whether the error is the vid card or memory..
Hi to all of you there!!! my problem with this asus A7S333 is that no power signal comes out but the power supply is functional..this problem occur when i played a game and when the supply of electricity in our street has shorten my computer restarted again and again..even the monitor has been affected by this problem..
hope you will help me with this kind of problem..
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Hi, Turn off the computer and open the side cover by removing two screws. If you have a video card remove it and clean the connectors with alcohol and also the memory card connectors. Re install it and install it back the side cover and turn the power that should work for you. Get back to us if this information helps you solve the problem. Good day...
Hi.first pull-out your motherboard in the CPU case then power on without memory only processor installed.if you hear continuous beeping your motherboard is working good. try this beep code means.
No beep means short,no power,bad CPU,loose peripherals. One beep means everything is normal running motherboard. Two beep means CMOS error IC. One long beep,one short beep means motherboard problem. One long beep,two short beeps means video card problem. Three long beeps means keyboard error. Repeated long beeps means memory error. Continuous hi-lo beeps means CPU overheating.
Without knowing the exact frequency/length of the beeps my first guess would be a bad stick of ram or a bad video card. If there is more than one stick of ram in the computer try it with one of the sticks pulled, pulling each stick until it does boot. if it doesnt, try pulling the video card. If you have on board video as well as a card, you can try it with just the on board and no video card. If not, borrow a vid card from someone. Doesnt have to be anything special, it can even be one of the old 4 MB PCI cards... just for diag. If that doesn't fix it, try pulling out any other cards that may be in it. Modem, sound, etc. etc.
and finally, here is a link to all the bios error codes for Gateway computers to help with further trouble shooting.
it depends on the bios chip maker Here's some other beep codes:
for Award and Phoenix BIOS:
1 short beep: Normal 2 short beeps: CMOS error 1 long and 1 short beep: DRAM error 1 long and 2 short beeps: Video card error 1 long and 3 short beeps: Keyboard error 1 long and 9 short beeps: ROM error Long continuous beeps: DRAM not installed correctly Short continuous beeps: Bad power supply
1 short beep: DRAM flash error 2 short beeps: DRAM ECC check error 3 short beeps: DRAM detect error 5 short beeps: CPU error 6 short beeps: Keyboard error 8 short beeps: Video card error 9 short beeps: ROM error 1 long and 3 short beeps: Bad DRAM 1 long and 8 short beeps: Video card error
Invoking Beep Codes
If the computer is actually functioning and the computer beeps continuously, then there is a problem with a voltage on the power supply being incorrect or the CPU overheating. IMMEDIATELY go into the BIOS and check CPU temperature, fan speed and voltages
Annoying isn't it? You have built your computer you switch it on and then nothing happens except a few beeps from the PC speaker. Frustration sets in as you try to figure out what is wrong with it. If you didn't already know the computer has already told you the problem. It can't speak of course but it can direct you to the problem. Its all in the beeps. The BIOS can recognise when the problem occurs and sends a signal out to send a certain amount of beeps through the speaker. These beeps then tell you the location of the problem.
Unfortunately not all the BIOS' use the same codes as each other. Two of the main BIOS manufactures AMI and Award (now Phoenix) have different codes for there errors.
# of Beeps Error Description 1 Refresh Failure The memory refresh Circuitry is faulty 2 Parity Error Parity error in the Base (1st 64K) of memory 3 64K Base Memory Error Memory error in the base memory (1st 64K) 4 Timer Not Operational Timer 1 is not functioning (also caused by error in base memory) 5 Processor Error CPU error 6 8042 Gate A20 Failure Unable to switch to protected mode 7 Processor Exception Interrupt error The CPU on the CPU card generated an interrupt error 8 Display Memory Read/Write Error Video adapter is missing, incorrectly seated or has faulty memory 9 ROM checksum error The ROM checksum does not match that of the BIOS 10 Coms Shutdown Register Read/Write The shutdown register for coms RAM has failed 11 Cache Memory Bad The cache memory test has failed. Cache memory will be disabled. *** DO NOT enable it ***
With the first 3 beep codes, its well worth re-seating the memory just to make sure that it's in correctly. 8 Beeps is probably the most common in my experience. Can be caused by a badly seated Graphics card. If you have re-seated it then check with another Graphics card in the board.
Always check for loose components before sending the board back as this is the main cause of errors on the POST.
Award states that they now only use one beep from there BIOS. This beep is one long beep and then two short beeps. This indicates a graphics card problem. Any other beeps should be treated as a RAM problem first and then the board sent in to be inspected.
The reason that the Award BIOS only uses the beep code for display problems is that it tries to display the error on-screen if at all possible. If the BIOS cannot initiate the display adapter then this causes the BIOS to make the beep code for a display error, which must be corrected before any other errors can be determined. Memory Test fails and hard disk failures etc will all be displayed on screen
The IBM BIOS works with Short and Long beeps as well as the Award BIOS. However the IBM one does still have codes to work from.
Beep Code Error 1 Short Beep Normal POST, System booted OK 2 Short Beeps POST Error - Code on Display No Beep Power supply or Motherboard error Continuous Beep Power supply or Motherboard error Repeating short beeps Power supply or Motherboard error 1 short, 1 long beep System board error 1 long, 2 short beeps Display adapter error (MDA/CGA) 1 long, 3 short beeps Display adapter error (EGA/VGA) 3 long beeps 3270 keyboard card Phoenix BIOS The Phoenix BIOS works on a slightly more complicated manor than the others. It does display an error code for you and produce a series of beeps. This BIOS produces its beeps according to the hexadecimal code the error produces. The Phoenix BIOS has many different codes for its possible errors and so many different beep codes. Rather than list the entire section here, I have provided a link to the official PDF file containing the codes and how they are derived.
Phoenix BIOS Post Codes
System board errors should be looked at by a specialist, Again always try to re-seat components to ensure they are in correctly. If necessary take all components out except for the RAM CPU and graphics card, then try the system. Re-seating components is the number one fix for getting past the POST screen. One badly seated components can cause the entire system not to function. so pick out your bios and follow the steps above to diagnose .hope this helps
Re seat your RAM and any other cards that plug into the Mother Board such as PCI cards then try starting the computer again. If that doesn't fix it, then you can uninstall devices and try to boot until you find the culprit, as those beeps you hear sound like hardware error beeps that can be caused by faulty hardware (even keyboards or mice) that plug into your computer. Eliminating all removable hardware should help you determine whether it's an add on component or if the Mother Board itself is bad. Good luck
try resetting your bios.. reset it to system defaults.. check all connections properly.. pc to monitor..etc etc.. if you mean no error code by "no bios beeps" then it's okay.. if you mean even the regular single beep after post is not heard than chances are high that your video card has some problem.
There is a lot of cause of problem why there is no display. First you need to connect the speaker to the board to hear some beeping error. If you hear some beeping 3 times when you open the computer sometime s the problem is memory not inserted well or the memory slot need to clean for the dust. Also the video card slot or the video card connector need to clean. Try to clean the video card to rub the eraser to the connector to remove the corroded that cause of the poor connection of the memory and video card. If there is no sound beeping maybe your video card or memory is defected.