I have xps 17 with Nividia Geforce Gt 555m, core clock is 590mhz, memory 900mhz, shader 1180mhz. I tried to overclock my card to 750 mhz core clock. But when i play games, artifacts show up all the time. So i decided to go back to 710 mhz. I saw others that have same spec or same laptop on some of the websites say they can overclock their card to 750 or higher without problem.So I need some answers or suggestions from you guys. Do you think is the problem of the card or some other factors!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Need help on overclock gt 555m!!!!
post #2 of 9
4/30/12 at 11:20am
- Arni90
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Don't go into overclocking assuming you will hit X MHz, you should rather start with 20 MHz steps and see how far you can go.
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post #4 of 9
4/30/12 at 12:03pm
- Lord Xeb
- Nutella, Guinness, and... Lotion?
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Stop with the exclaimation points....
On a laptop you want to be VERY careful with overclocking for 2 reasons:
1) Voltage delivery isn't the best so you could pop a VRM
2) Heat is a big time issue
3) They do not yield as high of overclocks as desktop cars because of the above.
4) Not all chips are made alike. You maybe able to get X clock speed while someone else can get 25Mhz higher. Again not all chips are the same.
To overclock your GPU, try grabbing MSI Afterburner and see what you can do. Only increase by 5-10Mhz intervals and see what happens. After every increase, run a stress test like OCCT GPU for 5-10 minutes and monitor both TEMPS and look for ERRORs.
If you blow up your laptop, we are not responsible.
Edited by Lord Xeb - 4/30/12 at 12:18pm
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post #5 of 9
4/30/12 at 1:38pm
- DrFPS
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Quote:
Originally Posted by Lord Xeb 
Stop with the exclaimation points....
On a laptop you want to be VERY careful with overclocking for 2 reasons:
1) Voltage delivery isn't the best so you could pop a VRM
2) Heat is a big time issue
3) They do not yield as high of overclocks as desktop cars because of the above.
4) Not all chips are made alike. You maybe able to get X clock speed while someone else can get 25Mhz higher. Again not all chips are the same.
To overclock your GPU, try grabbing MSI Afterburner and see what you can do. Only increase by 5-10Mhz intervals and see what happens. After every increase, run a stress test like OCCT GPU for 5-10 minutes and monitor both TEMPS and look for ERRORs.
If you blow up your laptop, we are not responsible.
Stop with the exclaimation points....
On a laptop you want to be VERY careful with overclocking for 2 reasons:
1) Voltage delivery isn't the best so you could pop a VRM
2) Heat is a big time issue
3) They do not yield as high of overclocks as desktop cars because of the above.
4) Not all chips are made alike. You maybe able to get X clock speed while someone else can get 25Mhz higher. Again not all chips are the same.
To overclock your GPU, try grabbing MSI Afterburner and see what you can do. Only increase by 5-10Mhz intervals and see what happens. After every increase, run a stress test like OCCT GPU for 5-10 minutes and monitor both TEMPS and look for ERRORs.
If you blow up your laptop, we are not responsible.
I agree with this. Laptops have limited cooling. Its not like you can just replace the gpu, like a desktop. The gpu is usually hardwired to the motherboard board.
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post #7 of 9
4/30/12 at 2:23pm
- Cakewalk_S
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Name Team Rank Points / May Work Units / May Philaphlous 1,471 991,743 / 0 275 / 0 - Select All Posts By This User
Quote:
Originally Posted by james93724
Thanks for the advice, it get around 70-75 degree while playing BF3. It's kinda hot. Thanks again for your help!!!!!!!!!!!!!!
Thanks for the advice, it get around 70-75 degree while playing BF3. It's kinda hot. Thanks again for your help!!!!!!!!!!!!!!
odd....
I can OC my 420m to 550m speeds..lol Can go from 500MHz to 740MHz no problem. The issue with cooling is quality control with Dell. If you take your XPS 17 apart, which is quite easy for me, you'll find out that more than likely, the heatsink for the GPU isn't even touching it... For some reason the crap screws they used on the cooler don't actually press down the heatsink enough and the height between the CPU and GPU isn't right on the heatsink, so either the CPU gets great contact, or the GPU get's great contact. Not both...
I've had to mod my XPS14 heatsink a ton to get the thing to cool properly. Also adding a cooling pad or just proping up the laptop will get you an easy 5C+ drop in temps.
I'm near making another huge mod to the cooler plates I think, my CPU can get upto 86C @ stock so its about time to fix this issue.
Good luck. Do the 10Mhz thing! It works. I'd personally use heaven3.0. Run that benchmark for like 5loops and your good.
You could probably pretty easily blow up your laptop with OCCT.... that program does wonders to add watts.
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post #8 of 9
5/8/12 at 2:55pm
I have a Dell XPS l702x laptop with the gt555m with a cooling pad, plus an external usb fan blowing directly in to the motherboard. I found a modded GPU BIOS at; ,and overvolted the GPU. Then i were able to overclock it, and run it fine at these settings:
GPU Clock: 800 MHz
Memory: 1074 MHz
Shader: 1180 MHz
I wouldn´t recomend it, and i won´t be resposible for your possibly melted GPU. But for me, with my cooling gear, it runs fine:)
GPU Clock: 800 MHz
Memory: 1074 MHz
Shader: 1180 MHz
I wouldn´t recomend it, and i won´t be resposible for your possibly melted GPU. But for me, with my cooling gear, it runs fine:)
post #9 of 9
5/11/12 at 5:58am
- bobuy00
- Overclocker in Training
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not all GPUs are built the same.. update nvidia drivers before trying to OC.. and monitor those temps no matter what when gaming.
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- Need help on overclock gt 555m!!!!
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