Sam Macomber wrote: > > >> >> >> ------------------------------------------------------------------------ >> *From:* Sam Macomber <[email protected] <mailto:[email protected]>> >> *To:* [email protected] <mailto:[email protected]> >> *Sent:* Wednesday, 1 April, 2009 3:15:07 AM >> *Subject:* Re: pooched iMac G5 >> >> >> Hasn't been moved from the desk since we got it new. Today was the first >> time it's been opened to test another RAM module in it, so RAM has been >> removed and re-seated twice now as has the power cord. Also after i sent >> this I let it sit, no power cord for an hour or so, no change. Tried it >> w/o the keyboard and mouse attached, no change(so power cord only). >> >> -sam >> >> > On Tue, Mar 31, 2009 at 5:22 PM, Sam Macomber <[email protected] >> <mailto:[email protected]>> wrote: >> > >> > Thermal cycle loosening of RAM card or other component/ >> > >> > Dirty slot? >> > >> > Loose or bad connectors / cords ? >> > >> > Has it ever been dropped ? >> > >> >> Can't say for certain with the iMac G5, but I've experienced some >> real weird start-up problems with G3, G4 and G5 desktop systems all >> because the MoBo battery (little 3.6v half-AA battery) had expired. >> >> As their life varies from around 2.5 to 6 years, it might be worth >> replacing before you try anything more expensive... > > > > It's a big watch battery type, have a brand new one in my car remote > so I put that one in, no change just blue screen still. Also zapped > the PRAM again no change. > > guessing motherboard at this point. > > -sam > > > Based on experience and not particularly on the imac, I will say you have a hardware problem. I always try to distinguish whether it's a hardware problem or a software issue first. Now having said that, the issue then is isolating the bad parts. Since you've checked memory, and perhaps dusted the memory slots. I will move onto checking out the video card, if it's one that you can remove, try another card. Open it up and look closely at capacitors; try to find one that looks different. I'm not sure, but I think it's the imac's---1.25 ghz---that have blown capacitor problems. Goodluck!
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