my power icon doens't display time, as a percentage of the battery [toshiba laptop] [dual core]

admin / August 11th, 2010/ Posted in Operating Systems / No Comments »

Q: using Vista Home Basic on the Pentium . For some reason, the power icon appears only% (ie 90% battery) and not the time on the battery. Everyone knows what is wrong?


Re:Originally posted by: guy
oh really? so no laptop can display time left in vista? is this ms way of hiding poor battery performance under vista?
Uh no. See guy's post.

Time and percentage works fine on my D620. I get about 5.5 hours with the 9 cell with wireless enabled and the screen running almost at full brightness.


Re:strange thing is that i tried a live cd of knoppix and after i unplug laptop, it initially showed 100%…then 99%…then after about 3 minutes..says that I had anywhere between 2h30min to 2h:50-something minutes of power from the battery left…however, the number changed quite frequently. this is coming from a 10.8V x 4000 mah 6 cell battery. so i guess vista's just not displaying the info.

Re:It depends on your machine's firmware, some ACPI implementations just plain suck and don't report the current power drain rate so there's no way for the OS to determine how long it'll last.

Re:I've noticed the same on my Compaq C500. Compaq doesn't have any sort of download so I guess I'm out of luck.

It's not that big of a deal for me, though. I have two batteries and get about 3+ hours on this puppy.


Re:oh really? so no laptop can display time left in vista? is this ms way of hiding poor battery performance under vista?

Re:I believe that is the way ms set it to display. If you have proprietary software from your battery backup manufacturer you could run it instead. I was using the apc software until I discovered that my monitor would not turn off unless the ms power management software was in control so I removed it.

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