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Topic: Misc probs, Unable to open /dev/hda and screen Hz?

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IDK

Group: Members
Posts: 22
Joined: April 2006

Posted: April 19 2006,16:59

I get an error when running fdisk...
Unable to open /dev/hda

It worked the day before yeasterday, but now it's broke.
I've tried whatever I could think of.

Then to the second thing:
Is it possible to change the screen update rate.
I don't like having it on 60Hz. It flickers.

Thanks for your time helping a newbie on linux (installed dsl a week ago)

Niklas Ulvinge aka IDK wishes you happy programming if you're a programmer and happy times to all else.

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Niklas Ulvinge aka IDK
wishes you
happy proramming,
or whatever you do

doobit

Group: Members
Posts: 912
Joined: July 2005

Posted: April 19 2006,17:56

The 60hz rate is pretty much fixed with the xvesa drivers. You would need to download and install a bigger X driver package for a different refresh rate. I think some people have been having success with Xorg, so do a search on that.

is /dev/hda mounted?

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"Help stop internet piracy...use Linux!"

mikshaw

Group: Members
Posts: 4856
Joined: July 2004

Posted: April 19 2006,19:23

Mounting won't help, and is actually not recommended. fdisk and its relatives are run on the drive itself rather than the mountpoint, so IDK had it right. The only thing I can think of is perhaps the command was not run as root? Regular users cannot fdisk.

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http://www.tldp.org/LDP/intro-linux/html/index.html

doobit

Group: Members
Posts: 912
Joined: July 2005

Posted: April 19 2006,19:56

Yes, that's true. I was asking as a way of analyzing the problem. I'm not positive and have no way to rest it here, but I believe cfdisk will also not write to the partition that you booted from (which is a good safety feature). You would need to boot from the live CD or a pendrive, open a terminal as root and run
# cfdisk /dev/hda

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"Help stop internet piracy...use Linux!"