Think I screwed up!!!! CMOS problem

bigbrent88

Member
Nov 19, 2006
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Hey all, Ive got a small problem with my computer. I just RMA'ed my crappy Abit KN9 SLI a few weeks ago and just got the new mobo yesterday. I reinstalled it, double checked everything and hooked it up. Heres the important part, I pushed the power button and the computer turned on and everything lit up and spun up. Problem is the screen didnt return from standby and I couldnt hear the hard drive working or the computer beeping.
After a few retries and turning the PS off and on I decide to reset the CMOS. Inside I noticed that the MB had shipped with CMOS in reset and I had turned everything on in reset mode, so I flipped it back to standard and then the computer wouldnt turn on, though the voltage lights are lit. So I flipped it back after a few tries and it restarted, but again no display.
Guess my question is what did I fry? Or could it be a porblem with this motherboard? Could I just replace the CMOS chip if I fried it?If I fried it Ill feel like an idiot but I was frustrated with this whole RMA process so I guess I was in a rush, bad idea! Thanks for your responses,
Brent

Computer specs:
AMD 3800+X2 AM2
Abit KN9 SLI
OCZ Gold ddr2-800 2GB
Western Digital 160GB 16mb Caviar
Maxtor 80GB
EVGA 7900GT KO 512mb
 

btcomm1

Senior member
Sep 7, 2006
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Sounds like they sent you a bad motherboard, but could also be ram or the video card, try 1 stick of ram at a time to see if you can get video. If that doesn't work see if you can test a third stick that is known to be good.
 

Fraggable

Platinum Member
Jul 20, 2005
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You can't fry anything by turning it on with the CMOS jumper set to the reset position. It sounds like a gimpy board to me. You might try completely unplugging the PSU from the wall and turning the PSU off and reseating all the power wires to make sure the board is reset.
 

ZappDogg

Senior member
Jul 18, 2005
761
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Originally posted by: Fraggable
You can't fry anything by turning it on with the CMOS jumper set to the reset position. It sounds like a gimpy board to me. You might try completely unplugging the PSU from the wall and turning the PSU off and reseating all the power wires to make sure the board is reset.

Yup, I know my CMOS won't reset unless the PSU has been unplugged for about 10 secs.
 

bigbrent88

Member
Nov 19, 2006
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Alright Ill try reseating and unplugging and reseting what I need to! I doubt anything has gone bad, since it was perfect before I returned the board, but if all else fails Ill check it and post back here when I'm done later this evening.
 

bigbrent88

Member
Nov 19, 2006
34
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:brokenheart:

Here is the situation now: I unplugged the PSU and all power connections to the MB, while doing this I reset the CMOS and did a reseat for the memory modules. Reconnected everything, put CMOS switch back to default and tried a restart. Again the power switch wont work with the CMOS jumper in the standard position, but will work with it in the reset position or when I leave it completely off. Even when the computer does work it still wont load the BIOS and the HDD LED is stuck on, all other components are working(Disk drives open, HDD's spinup). Would people agree its a bad mobo still? Any other tests I could try? Try back later,

Brent
 

Fraggable

Platinum Member
Jul 20, 2005
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Put the CMOS jumper where it should be, then disconnect everything from the motherboard except the CPU and CPU fan. Remove the memory modules. I mean bare minimum, motherboard, power button, CPU and CPU fan. See if you can get it to turn on enough to turn the CPU fan on. It should give continuous long beeps, asking for memory. Add a stick of memory and see if it works. It should give no beeps, just run. Then turn it off, add a video card if you need one, and plug a monitor in. If you have onboard video use that instead for now. Now you should be able to see the POST screen. If it works to this point then just add keyboard, mouse, hard drive(s), optical drives one at a time until it quits working, then you know where your problem is.

I don't believe you can corrupt the CMOS by working the jumper wrong, so it doesn't sound like the board is dead.
 

lenjack

Platinum Member
Oct 10, 1999
2,706
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Power switch shouldn't work at all with cmos jumper in the reset position.
 

bigbrent88

Member
Nov 19, 2006
34
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Exactly what I was thinking, its like there is a short or crossed line. I wouldn't think it would work at all with the jumper removed either. Ill try removing parts and see what happens, but if I dont get a result I like quickly I'm going to get ABIT to ship me a replacement ASAP before I ship another board back. Can't wait another 3 weeks to ship my old board out and get a new one back ya know!