Get Refresh Rate above 60Hz on Acer Aspire 5315 laptop

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gamefreak
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06 Apr 2009, 10:46 am

I can't get my refresh rate above 60Hz for my friends Acer Laptop running XP Pro. I tried hunting down monitor drivers but can't find any. Any Help Please!! !!



Fuzzy
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06 Apr 2009, 11:01 am

How do you know the hardware is capable of it?

LCD screens have a lot less flexibility and variability than CRTs.


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gamefreak
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06 Apr 2009, 11:37 am

Fuzzy wrote:
How do you know the hardware is capable of it?

LCD screens have a lot less flexibility and variability than CRTs.


This Acer Lappy was just bought in November of last year. I'm pretty sure it could handle at least a 75Hz Refresh Rate.



kip
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06 Apr 2009, 1:47 pm

LCDs are notoriously bad at supporting multiple refresh rates... it may not be capable. You can try unclicking the box that says 'show only supported modes' or something like that, it will show you all available, but may not do you any good.


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gamefreak
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10 Apr 2009, 8:30 pm

Fuzzy wrote:
How do you know the hardware is capable of it?

LCD screens have a lot less flexibility and variability than CRTs.




Vista is capable of it.



Fuzzy
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10 Apr 2009, 8:36 pm

gamefreak wrote:
Fuzzy wrote:
How do you know the hardware is capable of it?

LCD screens have a lot less flexibility and variability than CRTs.




Vista is capable of it.


Of course. But how does that affect hardware limitations?


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gamefreak
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10 Apr 2009, 8:42 pm

Fuzzy wrote:
gamefreak wrote:
Fuzzy wrote:
How do you know the hardware is capable of it?

LCD screens have a lot less flexibility and variability than CRTs.




Vista is capable of it.


Of course. But how does that affect hardware limitations?



I'm thinking that the ICD driver was not provided on Acers website for WinXP and that the driver is hard to find anywhere else.



CloudWalker
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11 Apr 2009, 1:07 pm

It has nothing to do with the ICD driver. At least that's another topic. If your display driver is correct, your LCD's capabilities will be relayed to your OS. So 60Hz is likely the best setting to use.

LCDs are really slow in this regard. Although there're 2ms LCD on the market, meaning it takes 2ms to change from one particlar shade to another. They cannot do that on every combinations of shades. In fact the slowest change could take over 20x as long. Most LCD could accept a 75Hz signal input but internally they just dump that back to 60Hz. So the result is usually inferior to 60Hz.

There're actually 120Hz LCDs available, but since the underlying technology has not changed they do not improve the wrost case performance. They're also expensive and I've only seen it on discrete (desktop) models.



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11 Apr 2009, 5:42 pm

Your most likely not going to get that to work. My laptop is only about 6 months old and it can do 60, and only 60. For 99.9% of what your doing, that should be fine.