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Windows 7: CPU overclocking & heat

16 Oct 2010   #11
amigo max

Windows 7 Ultimate x64, # Windows Vista Home Premium 32bit
 
 

If your room temp is around 28C then idling (0-10%) temp should be 40-50C on hard surface. Usually without a cooler load temps on my laptop go up to 95C, and thats hot. If i use a cooler it remains within 70-80C.
And in case your minimum processor usage is not 0%, you can go to power options, advance power options, processor power management, minimum processor state, and set it to 0%. Try cleaning the interior of your laptop if your willing to taking the risk.


My System SpecsSystem Spec
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16 Oct 2010   #12
madtownidiot

 

Laptops generally run hotter than desktops, but a well designed laptop on a chill mat will seldom go over 60c core temps, and never over 80c. Newer DV-4 laptops all run extremely hot, even compared to other HPs. On one DV-4 I've seen this year, the fan didn't switch to full speed until core temps were over 80c. If you haven't already done so, reinstall windows from a clean disk to eliminate software and driver conflicts from all the factory bloat. There's a bios update that reprograms the fan controller for some dv4 models.. other than that..It's just a badly designed machine, not much you can do
My System SpecsSystem Spec
16 Oct 2010   #13
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Sounds like time to open it up and see how deep you can clean, air, old tooth brush and some q-tips help, with luck you can get close to the fan then clean its blades very carefully with slightly moist q-tips and then with clean dry one. Let everything sit and fully dry if any moisture was used, reassemble and air flow should be much enhanced. It's always amazing to me how the build up of dirt on the fan blades impact performance and air just doesn't get it. Good luck and cleaning will help and don't open beyond your comfort level. Coolers that don't elevate the laptop to allow air flow are a waste of time in my opinion if they elevate and had added fans mo betta !
Good Luck,
the Cheese

(you hopefully will have access to a set of jewelers screw drivers?)
My System SpecsSystem Spec
.

16 Oct 2010   #14
madtownidiot

 

Good idea.. but don't try it without a service manual. Laptops are designed to be taken apart piece by piece in specific order.. if you try it without the manual there's a very good chance you'll break something and/or get stuck with a machine you can't put back together.
My System SpecsSystem Spec
16 Oct 2010   #15
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Quote   Quote: Originally Posted by thefabe View Post
Don't know of any other programs to suggest, but have you tried blowing out the ports with canned compresed air? Laptops especially older ones tend to have a great deal of build up of fibers and dust due to user using them on their laps or other cloth or fiber surfaces.
I'm pretty sure if you were to take it apart you would be amazed at how much dust ect is built up inside of it.
Fabe
Quote   Quote: Originally Posted by madtownidiot View Post
Good idea.. but don't try it without a service manual. Laptops are designed to be taken apart piece by piece in specific order.. if you try it without the manual there's a very good chance you'll break something and/or get stuck with a machine you can't put back together.
These.
I am betting it is clogged up with dust.

~Lordbob
My System SpecsSystem Spec
16 Oct 2010   #16
LiquidSnak

W7 Professional x64
 
 

Be VERY VERY careful with BIOS updates from HP. They are irreversible if the machine cannot start to a running windows.
My System SpecsSystem Spec
16 Oct 2010   #17
Benjamin Hall

Windows 7 Ultimate x86
 
 

Quote   Quote: Originally Posted by amigo max View Post
If your room temp is around 28C then idling (0-10%) temp should be 40-50C on hard surface. Usually without a cooler load temps on my laptop go up to 95C, and thats hot. If i use a cooler it remains within 70-80C.
And in case your minimum processor usage is not 0%, you can go to power options, advance power options, processor power management, minimum processor state, and set it to 0%. Try cleaning the interior of your laptop if your willing to taking the risk.
I have a chill mat, it's amazing and works great.
(Will multi-answer your bold part)

Quote   Quote: Originally Posted by madtownidiot View Post
Laptops generally run hotter than desktops, but a well designed laptop on a chill mat will seldom go over 60c core temps, and never over 80c. Newer DV-4 laptops all run extremely hot, even compared to other HPs. On one DV-4 I've seen this year, the fan didn't switch to full speed until core temps were over 80c. If you haven't already done so, reinstall windows from a clean disk to eliminate software and driver conflicts from all the factory bloat. There's a bios update that reprograms the fan controller for some dv4 models.. other than that..It's just a badly designed machine, not much you can do
Yeah, I don't wanna install the BIOS update... I've heard stories about it going wrong. Thanks, though. And I have a perfectly clean install. I did that the day I got it :P

Quote   Quote: Originally Posted by linnemeyerhere View Post
Sounds like time to open it up and see how deep you can clean, air, old tooth brush and some q-tips help, with luck you can get close to the fan then clean its blades very carefully with slightly moist q-tips and then with clean dry one. Let everything sit and fully dry if any moisture was used, reassemble and air flow should be much enhanced. It's always amazing to me how the build up of dirt on the fan blades impact performance and air just doesn't get it. Good luck and cleaning will help and don't open beyond your comfort level. Coolers that don't elevate the laptop to allow air flow are a waste of time in my opinion if they elevate and had added fans mo betta !
Good Luck,
the Cheese

(you hopefully will have access to a set of jewelers screw drivers?)
Quote   Quote: Originally Posted by madtownidiot View Post
Good idea.. but don't try it without a service manual. Laptops are designed to be taken apart piece by piece in specific order.. if you try it without the manual there's a very good chance you'll break something and/or get stuck with a machine you can't put back together.

Yeah, I never take apart a machine without a service manual. I'm a service tech on the side, and learned very early on to never touch anything without a manual.


IN REGARD TO OPENING MY LAPTOP: No can do. Many people don't know this, but newer HP laptops (as far as I have been informed) have pressure sensors inside of them. It's a safety mechanism for if the laptop is dropped and breaks open... if you open it wrong, it will trip a sensor (or sensors) and all the residual electric charge in the screen will ground out into the motherboard. At least, as far as I have been informed, that is what happens. I'm not willing to take that risk. Even if it's not true, it's scared me away from opening mine. Note to self: this is why the dv4 line was discontinued... and why it was so cheap to buy...
My System SpecsSystem Spec
17 Oct 2010   #18
xarden

Windows 7 Enterprise
 
 

Quote   Quote: Originally Posted by madtownidiot View Post
Good idea.. but don't try it without a service manual. Laptops are designed to be taken apart piece by piece in specific order.. if you try it without the manual there's a very good chance you'll break something and/or get stuck with a machine you can't put back together.
15 machines later, my garage is approaching maximum capacity...
My System SpecsSystem Spec
17 Oct 2010   #19
Benjamin Hall

Windows 7 Ultimate x86
 
 

Lol :P
I download service manuals from online. I have gigs of them :P
My System SpecsSystem Spec
17 Oct 2010   #20
Lordbob75

Windows 7 Ultimate x64, Mint 9
 
 

Quote   Quote: Originally Posted by Benjamin Hall View Post
Lol :P
I download service manuals from online. I have gigs of them :P
Psh, service manuals.

~Lordbob
My System SpecsSystem Spec
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