I have a imac g3 dv se, snow and after about 10minutes of it booting it makes a popping sound and the turns off, then it wont turn back on for another 5-10 minutes

i have a imac g3 dv se,500mhz, snow and after about 10minutes of it booting it makes a popping sound and the turns off, then it wont turn back on for another 5-10 minutes any suggestions?

Actually sounds like classic symptoms of a failing PAV (power-analog-video) on that model. Historically that's the weak spot in the G3 iMacs.
The lack of active cooling in the G3 iMac puts a lot of heat stress on this board and they eventually fail from overheating. Right now the board is still working as long as it's cool--it only fails when temps inside the computer rise.
About the only way to preserve the computer's life is to mount a 120mm fan directly on the case where the handle is--that's the exhaust port. The fan has to be positioned to PULL air out through that vent. It's an ugly solution to the eye but it has been done around here more than you would think.
Also make certain the bottom of the computer is not blocked. It the computer is sitting on a tablecloth or placemat, or there are loose papers on the desk under the case, it cannot get enough air into the bottom-mounted air intakes. Make/find some blocks to set the iMac a minimum of one inch (2.5CM) from the desk and move anything that can be "inhaled" from under the computer.
Even with such measures, the PAV board will eventually fail and be unrecoverable. It's a good time to start saving for a newer computer.

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