At this point, modding an Xbox is easier than ever. At this point, at the very least, you should open the thing up and check your motherboard if it's not a 1.6 and remove the clock capacitor which tends to leak.
There are hundreds of guides out there now and limiting yourself to an unmodded 20 year old game system is not something that should be pushed to the modders.
There are hundreds of guides out there now and limiting yourself to an unmodded 20 year old game system is not something that should be pushed to the modders.