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[oedi103]

0021 is a pain to fix,usually happens after a failed reflow or shitty xclamp fix.Its a bridged solder joint in most cases only repairable by reballing sb or gpu,i think often it would be 2 solder joints under the gpu that lead to the sb caused by flexing and too much pressure on the gpu.
Who of you guys that got 0021 had the xclamp fix done?I`ve never seen it on a virgin console.

[wakeboard115]

QUOTE(oedi103 @ Dec 7 2010, 03:03 AM)

0021 is a pain to fix,usually happens after a failed reflow or shitty xclamp fix.Its a bridged solder joint in most cases only repairable by reballing sb or gpu,i think often it would be 2 solder joints under the gpu that lead to the sb caused by flexing and too much pressure on the gpu.
Who of you guys that got 0021 had the xclamp fix done?I`ve never seen it on a virgin console.

I just started diagnosing my xbox tonight, and I'm getting error 0021.  The box has never been opened and everything on it is still the same as the day we got it (except for the error).  Any ideas as to what might be causing it?  It's no longer under warranty, so I'm gonna tear it open tomorrow and start playing with it's guts.

Thanks!

[MadMaxGR]

QUOTE(wakeboard115 @ Dec 12 2010, 05:58 AM)

I just started diagnosing my xbox tonight, and I'm getting error 0021.  The box has never been opened and everything on it is still the same as the day we got it (except for the error).  Any ideas as to what might be causing it?  It's no longer under warranty, so I'm gonna tear it open tomorrow and start playing with it's guts.

Thanks!

The problem most commonly is GPU. Apply x-clamp fix and reflow the GPU. That would fix yoru problem, for now.

[angrykid]

a buddy gave me 2 xbox units over the summer, both older units one hdmi and one non-hdmi.
I removed the x-clamps on both and put in the washers-bolts, cleaned up the heatsinks and chip dies then AS5 and sinched down lightly.

one of the consoles worked right away, the other one was problematic and took me about an hour of finding the right pressure on the GPU.... now I can't remember which one was the problem board but I just got the HDMI xbox back last week and opened it up to find 2 of the capacitors ripped out of the board.  one was rolling around in the case and the other one missing entirely!

ordered some capacitors of the same size & rating off digi-key.

they came in 2 days, quick, I heated up the solder and pulled out the old broken legs then soldered in the new legs on both capacitors.  put the heatsinks back on like I always have, fired it up and red ring... 0021, great, I've tried varying the torque on the bolts holding down the gpu and cpu, tried overheating the unit, wait for a cooldown and try again, nothing.
noted that the dvd drive will not eject and I did find one of the dvd power cable wires had broke from its hold in spot though it still is getting proper connection to the drive.

also I did have to straighten out 3 or 4 pins on the DVD power connector motherboard side, I have no idea how they got ripped out.

all I know is I fixed this guys red ring and flashed his drive perfectly I tested everything played a game or 2 before I gave it back to him.  I don't know if he accidentally dropped it and that caused the drive cable & capacitors to break but I cannot explain the missing capacitor that was very odd.

[angrykid]

took everything back apart and thought I didn't do a good job of soldering in one of the new capacitors so I re-soldered the legs.... put everything back together.... even flashed the latest LT+ to the benq drive..... still red ring.... still 0021 error flash code.

I'm about to get rid of this piece of junk or maybe sell for parts on ebay or this forum?

[angrykid]

as an added note - when mine starts up just after I press the button but before it red rings, the dvd drive makes a short buzz noise as if its re-adjusting its insides, then it does it again real quick before it red rings..... horrible..... what if the dvd drive is messed up?
I mean, it doesn't want to eject at all.....

[AJ911]

Today I had a customer's system come in which would not power on. The problem was that both the USB ports were damaged and the pins were shorting the unit. I moved the pins around just to get it to power on but RR0021 showed up. I then realized I missed one pin, once moving that it came on fine.

Not sure if that would help you since there was physical damage done to the system, but I guess it wouldn't hurt to check your USB ports.