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Computer Won't Boot

T

The Hunter

Limp Gawd
Joined
May 29, 2002
Messages
414
I just installed a Radeon 9800 Pro into my system. It booted into windows fine, I installed the drivers, and when it rebooted, it would not boot at all. It simply hangs on a blank screen. I have the MSI D-Bracket attached to the mobo (has LEDs to indicate POST state, etc.) and it shows 4 red LEDs which indicates a broken or missing CPU.

However, I have tried the CPU in a different system, and it works fine. I also tried a different CPU in the same system, and I get the same problem. I also tried putting the old video card back in, and I get the same problem again.

Have I fried my motherboard? What else should I try?
 
have you cleared CMOS?

if you can get it to boot, enter safe mode and remove the driver
 
Okay, I tried resetting the CMOS, and it still gives me the same problem. Blank screen, no BIOS.
 
I know high-end graphics cards suck up allot of juice. u may of overloaded ur power supple and damaged it. Try another, Hope that helps
 
Well, I've got a 400W PSU and not a ton of stuff running off it, so I doubt that's the problem. Everything powers on fine (fans, optical drives have lights flashing), but it won't boot.
 
Depending on the brand, the 400 watt label on the PSU may not be worth the mylar it's printed on. I have a MSI KT7 board here, deader than Martian dirt, from a 400 watt power supply that couldn't handle the "normal load" of a Thunderbird Athlon, two 7200rpm SCSI drives and a Radeon A-I-W. The drives and fans would start, but that PSU wouldn't drive anything else after it killed the board.

Bum another PSU, try booting with it and the NVidia card first. If you're lucky, the old PSU suicided and didn't take the motherboard with it.
 
Well, it's an Antec and I've never had any problems with it, so I doubt it's the cause. Unfortunately I don't have any other good PSUs to test it with (only others at my disposal are from my family's prebuilt boxes and are low wattage and not necessarily better).
 
well the first thing i always try ( 8 out of 10 times it works too) is to dissconnect everyhting. pull the vidcard and reseat it, ram, and all the power sonnecters, if you can trmove it do it, and reseat it all (save for the jumpers and or case led connections. if that doesnt work narrow it dows by switching out componants, but just one at a time...

that my 2 cents.
 
Thanks for the help so far. No luck as of yet.
Any other suggestions, or is my mobo just FUBAR?
 
Is there the possibility that the back of the power supply is set to like 230watt, instead of 115? We experienced that issue when we were building my friend's system. Everything would power on, but we had no video, and the CDRom light would stay on, hard drive would not rev or anything... We assumed that the CPU was dead due to the fact that before consulting me, they consumed the CPU in Thermal Paste, but it was working fine... When I got to working on it, I eventually noticed that on the back it was set to a different voltage... after setting it appropriately, everything was working fine.
 
No, voltage is set properly. Looks like the mobo is just dead I think :(

I'm a little hesitant of putting a new one in, because i'm still not entirely sure what happened.
 
Hehe, take the cheapest route first bro... I know there is supposed to be a way to use like a multimeter or something to see where power is going... but I'm not the person to ask about that. :)
 
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