Just this morning I heard a colleague talking to another one (a technician) about the same problem, so they decided to ask to our internal helpdesk to have the power adapter changed. I tried to search various topics without finding anything useful. I need to restart it 2 o 3 times to get it working. It works fine when battery operated, but as soon as I get in the office. maybe out of topics, but please read it all) and I use it every morning on the train, traveling to office. I have an HP Elitebook 8540p with WinXP (oops. I was suffering this problem every day, since a couple of month. i know i should start a different thread but the reason i am posting here is because it is the exact same issue. I tried to go back to older bios but it is not allowing. One can check bios version by giving command msinfo32 in "search programs" or run or cmdīIOS Version/Date Hewlett-Packard 68AZZ Ver. i have my doubts abt the bios because all this stupidity started after a bios update. I would just like the guys who are facing this to write back what is the bios version of the machine. i have reinstalled the os several times, did lots of other RnD but the issue is still there. i think this is more to do with hardware. cpu usage spikes up when battery is in the range of 40-75 % when charging. I was searching on google for the very same issue on my hp probook 4520s. This will help us to assist you more efficiently. Include any error messages you get as well as your system specs. Please post more information as to your exact issue in your topic. This can in turn cause the wrong support to be given and can cause instability or worse to happen to your system. Usually I just get around it by unplugging it whenever its off, but maybe the two issues are linked?Īlthough your issue may seem similar there can be other factors that may need to be resolved.īy bumping on someone's topic it makes it confusing for the tech to understand who they are helping. If it's relevent, I have had some power issues before, mainly that if I hibernate/shut down the laptop and leave it plugged in, sometimes it restarts itself. So I'm not really sure whats going on, only that its rather inconvenient. I've done two virus checks (Avast, F-Secure) and they came back clean. Another way to get around it is to either restart the computer when I plug it in, or wait for it to hibernate when the battery runs out, plug it in, and then switch it on again. The high CPU use goes on for about 20-30 minutes during which time it is pretty much impossible to use the computer, but after this time (I've noticed its usually when the battery reaches about 75% charge) it stops, CPU use drops back down to ~5% and I can continue using the computer. I've tried to use the Task Manager to see if there is anything in particular causing it, but nothing in particular shows a high CPU usage. It does this even if I close all programs which were open and just leave it alone. When the battery is running low and I plug it into the wall, it becomes very slow and shows very high CPU usage (fluctuating, but somewhere about 80-100%). I have a fairly new HP ProBook 4520s laptop (its almost a year old) and a few weeks ago it started doing what is said in the title. So, I have a sort of strange problem (I think).
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