Read and try http://forums.cnet.com/5208-6142_102-0.html?messageID=3056153&tag=forums06;posts#3056153
Also read http://forums11.itrc.hp.com/service/forums/bizsupport/questionanswer.do?admit=109447626+1248221841183+28353475&threadId=1255620 so you can start thinking about XP issues if this OS is not what the machine came with or has suffered some malware, virus or registry cleaning damage.
NO, I HAVE YET TO FIX THIS WITHOUT REINSTALLING THE OS.
It's also possible you took the battery out incorrectly (like the laptop was on AC?) and fried it.
I am facing some problems with my hp laptop.
I took out the battery and reinserted it again, nt nw my laptop works
slower on battery, I dont know what is the reason.
It shows a very high cpu utilisation on battery.
It usd to work perfectly fine before taking out the battery.
I tried changing the power options but it does not help.
someone pls help me....