2 nights ago while i was playiung guild wars 2 I noticed the game got very choppy, turned it off and notice on coretemp my cpu was running at 800 mhz, I restatrted pc changed through all the power options, even did a power reset and nothing. So I did a system restore, it worked but now my pc was runnig at max turbo speed, 4.3ghz, so I did a full Win reset, formatted drives and started with a clean pc, turned pc onto hp recommended power options and set slider to centre position and snap its working, running at 2.5ghz boosting up to 4.3 when needed, BUT, now if I use pc for anymore than internet or meneal task it drops to 800mhz and I cant get it back without restoring system, so far I've restored it around 8 times in 2 days.
Please help I need this pc for Uni next month and I've exhausted all my general knowledge on pc repair (including bits I found on internet).
I am hoping its only a throttling issue, I did play games for some time, had a side mounted exhaust fan and cooler pad going but its been real hot here last few days.
Thanks for any information and /or advice