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Help!! My computer goes crazy!! Please help!!

W

WaiWai

Senior member
Help!! My computer goes crazy!! Please help!!
When I press the power switch, I can hear the "beep" sound and see the motherboard LED on.

However the monitor is completely dark. No signal is passed to the monitor. (I've checked the

monitor. Everything OK. It is on. Its cable is firmly attached. The light/contrast is properly

set. The monitor is working well.)
Besides, the motherboard appears to not detect the keyboard. Because the cap, num lock light is

not responsive when I press these buttons. What's going wrong?

The whole story is as follows (very long. Please read with patience. Thanks a lot.)
-- I configured my new computer. The first time started running it. Then I pressed "del". The

screen showed lines of message (In one line, it showed 32.0MB. But I got 1024MB RAM?!?)

-- Then the screen showed something similar to the following:
Checking BIOS. Bad BIOS. Start BIOS recovery (Why BIOS was bad when I first start my

computer?!? So strange!!)
Checking for floppy...
No floppy.
Checking for CD-ROM...
No CD-ROM.
Checking for floppy...
No floppy.
Checking for CD-ROM...
No CD-ROM.
.
.
. (it repeated and repeated)


-- Since it said BIOS was bad, I thought I needed to update/install BIOS. So I inserted the CD

-ROM.

-- Then the screen showed something similar to the following:
CD-ROM found!
Reading file "?????.???". Completed. (I couldn't actually remember what "????.???" is, but it

should be a *.rom file)
Start flashing...

-- Then the screen showed something horrible:

---------------------------------
---------------------------------
---------------------------------
---------------------------------
---------------------------------

^
|
------ The mid bottom small line ("-") is flashing.

-- I've waited for 10-15mins. However the horrible thing still exists. No furthe response.

(Flashing should be done within 1min. Why so long, not to say the strange display?!?) With no

hopes, I reset the computer.

-- Then the problem I said in the beginning occurred. Have "beep" with motherboard LED on, but

monitor is drak with seemingly non-responsive keyboard. Help!! How to sort it out??

=======
PS:
About BIOS: AMI BIOS, 4Mb Flash ROM, ACPI, DMI2.0, WfM2.0, Green, PnP, TCAV, AMBIOS 2.3 ASUS EX

Flash, ASUS MyLogo2
Motherboard: Asus A7N8X-VM/400, all-in-one motherboard
CPU: AMD 2500+
RAM: KingMax1024 DDR PC3200


Thanks so much for your help.
 
what kind of beep is it? is it just one or a series of beeps? also, what kind of video card do you have? the first 32MB you're seeing may be your video card if it's an older one with only 32MB memory on it. did you check the jumpers on your IDE drives? make sure they're both set to cable select, or if they are, try setting one as master with slave present, and one as slave. do you have 2 sticks of memory or just 1 stick of 1GB? try swapping out the memory.
 
>what kind of beep is it?
One "beep". I don't know whether it can be regarded as long or short. But I think the "beep" lasts 0.5sec

>Also, what kind of video card do you have?
Since all-in-one motherboard, I use the on-board one, ie Integrated GeForce4 MX GPU. I don't know how to check the RAM it use in this problematic situation.

>the first 32MB you're seeing may be your video card if it's an older one with only 32MB memory on it.
But only one line shows the memory avaiable.
Also I got 2 DDR RAM. KingMax 512 * 2 DDR PC3200. But motherboard can only support up to PC2700. Will this causes problems?


>did you check the jumpers on your IDE drives?
Originally I got 3 IDE devices, ie one 160GB Western Digital Hard disk drive(HDD), one 20GB Maxtor HDD, one Ricoh CD-RW.
To avoid complexity, I only connect 2 devices with 2 cables (one should be UltraDMA 133, another should be UltraDMA100. But I'm not sure) at this stage, ie one 160GB and CD-RW. I haven't set any jumper fomr the IDE drives, since they should be master by default.
And even if I set wrongly, the problem should not avoid me from screen showing / system boot.
What do you think?


> make sure they're both set to cable select, or if they are, try setting one as master with slave present, and one as slave.
I don't know what "cable select" is. I just thought the IDE jumpers can set as master, or slave.
There are some jumpers to select on the motherboard, but seems irrelevant. Anyway, I will type them out.
One is USB device wake-up. I can set either using +5V (default), or +5VSB [I use the default]
Another is Clear RTC RAM.


> do you have 2 sticks of memory or just 1 stick of 1GB? try swapping out the memory.
I got 2. What do you mean by "try swapping out the memory"?
How to do? (Please state in depth. Thanks a lot. It might save my life.)
 
try running the box with just 1 stick of that 512 and see if it boots up. Try both seperately. Do you have an extra video card laying around so you can see if it loads up with a different card? have you plugged the monitor into another pc just to double check that it itself has not gone bad? also, you should probably try to clear the CMOS. maybe something in the BIOS got messed up again. there's also the possibility that you just got a bad board. in which case, you're gonna have to RMA it.
 
Originally posted by: nanaki333
try running the box with just 1 stick of that 512 and see if it boots up. Try both seperately. Do you have an extra video card laying around so you can see if it loads up with a different card? have you plugged the monitor into another pc just to double check that it itself has not gone bad? also, you should probably try to clear the CMOS. maybe something in the BIOS got messed up again. there's also the possibility that you just got a bad board. in which case, you're gonna have to RMA it.
Click to expand...


I cleared the CMOS.
I tried with different kinds of RAM (PC3200, PC2700, PC2100). None of them worked.

I don't have another video card. Couldn't check.

I did try to test the monitor from another PC. Nothing wrong.

In fact, as I use KingMax 512*2 DDR PC3200, but motherboard can only support up to PC2700. Will this causes problems?
 
As I understand it, installing the PC3200 is ok. It will only run at 2700 though. If this is the first PC you are putting together I would suggest checking that your mobo is set up correctly and that the jumper on your HD is correctly set as well. Good luck.
 
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