It could be due to the display driver crash.It usually happens cos the drivers aren't capable of handling such high core clocks and memory clocks
(Depends on the chipset).I would suggest you to lower your core clock(memory clock's fine) to around 830 and rerun the assessment.
The nvidia GT540m is Wayy weaker than the ATIs 6770m.It cannot play the current games at native resolution i.e 1366x768 at ultra settings whereas 6770m does it with ease.So The 6770m is more of a futeproof card for laptops in india at the native resolution of 1366x768 at least for 2 more years.
Download the Sapphire Trixx OC utility or the MSI afterburner.
But you will have to tweak the MSI afterburner to unlock the OC capability, so I would suggest Sapphire trixx.
check if your hp coolsense is in performance mode and not in the coolest or the quiet modes.
Click on the battery icon in the system's tray and select high performance.
And you wont believe it, Witcher 2 plays at 30ish fps with everything turned on except for Ubersampling(with which I get only 15 fps though :P).
These numbers are stable and the temperature hardly crosses 75 degrees.
I used MSI afterburner software and gradually increased the core clock and memory clock till it became stable.
check this site for more info
HOW TO: Enable UNOFFICIAL overclocking mode in MSI AfterBurner - Guru3D.com Forums
Hi guys i successfully overclocked the graphics card to 800/900 on my hp dv6 6017tx.
CHECK OUT MY WEI SCORE FOR GRAPHICS IN THE ENCLOSED ATTACHEMENT.
8-):mrgreen::))8-)
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