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EDIT: The problem seems to have been fully resolved by doing a clean install of Windows 10.
Hello,
I use an AMD A6 processor on my Lenovo IdeaPad Flex 15D. Recently, my PC has been slow, and checking the Task Manager shows that the processor speed is only 0.76-0.78 GHz, while my processor's maximum speed is 2.00 GHz. The Resource Monitor says that my maximum frequency is 38-39% (0.76-0.78 GHz). This happens even when I'm in High Performance mode, and I've checked to make sure that the minimum and maximum speeds (in the power options) are set to 100%. I've also set the ATI Powerplay settings to Maximize Performance. The speed does not increase even when I'm running many programs at once.
Any help would be very appreciated.
I've noticed something interesting... The CPU speed in the Task Manager always seems to hang around 0.7-0.78 GHz, even when I'm not doing anything else on my laptop. Perhaps there's something that is not only preventing it from going above 0.78 GHz, but preventing it from going below 0.7 GHz. I have no idea why this is happening.
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Hi,
You need to check with Lenovo Support, their on-line documentation and drivers, and
ask in their forums about any known issues.
Lenovo Support and downloads
http://www-307.ibm.com/pc/support/site.wss/homeLenovo.do
Lenovo Forums
http://forums.lenovo.com/Hope this helps.
Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.
you already tried all of these?
http://www.tomshardware.com/answers/id-2074172/stuck-75ghz-clock-speed-intel-4770k.html
I also tried to just factory default in BIOS without removing the power adaptor, and that would not work either.
Here's what I found out. The problem is a defective DC jack on the laptop. Has a missing center plastic cylinder. the metal probes are still there, but with no housing support, so unless I looked into the DC jack with a flashlight I wouldn't have guessed there was a problem with the Power. This configuration powered up the laptop, AND charged the battery, so by first guess, power was ok, but probably not within specs. Now, just switching to battery would not work on the HP model. in order for the battery to allow it to work properly, I had to first boot into BIOS and select "default settings" (basically clearing the CMOS/BIOS). if this step is omitted, rebooting with just the battery power, or just unplugging the power adaptor would not unlock the slow down. In order for the full CPU speed to come back to normal, clearing the BIOS, and rebooting without the power adaptor had to be performed. As long as the power adaptor was not reinserted, and there was power in the battery, I could do many reboots, and the CPU speed was normal. as soon as I would plug in the adaptor, it would drop back down to .5Ghz (CPU is 2.1GHZ). And it would stay in that locked state even if I removed the power adaptor, or rebooted, or both, unless the BIOS has been reset without the power adaptor plugged in. Go figure. Bad DC jack. What threw me off at first as it being related to the power, was by just disconnecting the power adaptor, didn't fix the issue. Even a reboot without the adaptor plugged in wouldn't work either, had to clear the BIOS first. weird...
