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Jul
25
comment It takes my computer a long time to establish connections with websites
I recently switched ISPs and one of the boxes in our house was behaving poorly. Poked around and discovered that at some point I had set the nameserver address for that box to something other than the ISP's default (which was being flaky off and on). Switched it back to default and things were much better. (Note that you override name servers on a connection basis, meaning that a wired connection may work and a WiFi connection fail, or vice-versa.)
Jul
16
comment How do i get 100% battery charge back with Samsung battery life extender?
Note that there are two kinds of "battery extenders". One kind "throttles" the system so that is consumes power at a lower rate. The other prevents the battery from fully charging. On my Sony Vista box the "throttle" function is more obvious and easier to find than the other function.
Jul
14
comment Squealing coming from laptop power supply?
If the noise has stopped I'd let it go until it recurs. (Though the power bricks are generally reasonably cheap. And, forewarned, you have the time to get an authentic one, vs a cheap knockoff that doesn't really meet specs.)
Jul
14
comment Is it dangerous to put desktop computers in a stack in a well ventilated room?
Yes. They might tumble over and injure someone.
Jul
10
comment System is rebooting continuously
Try unplugging the keyboard.
Jul
2
comment Maximum reliable duration to leave laptop open?
Isn't your laptop set up to sleep when not busy?? And what harm (other than wasted energy) occurs if it keeps running all the time? I close mine when not in use for hours, but mainly to save the display (whose backlight fluorescent tubes have a limited lifetime -- newer units with LED backlights would be less of a concern). A bigger concern is the battery -- if your unit has it you should enable the "Battery Care" function to extend battery life.
Jun
30
comment Cannot format USB flash drive, everything claims it's write protected
How to fix this problem: 1) Remove flash drive from your computer. 2) Hold over round receptacle next to your desk. 3) Release. 4) Purchase new drive for $5 at your local Walmart.
Jun
30
awarded  Notable Question
Jun
22
comment Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)
I had this happen with my Sony Vaio when it was fairly new -- the unit would click and shut down hard. After mucking about I discovered that the unit would run just fine if NOT plugged in to the AC, and eventually I determined that the battery was being overcharged (or at least the unit thought so). Running the unit a couple of hours on battery temporarily fixed it, and using the Sony-specific "battery saver" feature to not charge over 85% permanently fixed it. The charger circuitry can get confused, especially on a new unit that's used mostly plugged in.
Jun
1
comment Windows 7 compressing doesn't reduce space
Very likely most of that data is already compressed.
May
24
comment Why do compilers have to be “smarter” for RISC instruction set architecture
@Pacerier - Well, if you were a classmate of Grace Hopper you've got me beat.
May
24
comment Can't get computer to recognize any USB devices except for mouse
I'm vaguely recalling that I found a description on the web of how to use regedit to reset the USB config.
May
24
comment Can't get computer to recognize any USB devices except for mouse
I had pretty much the identical symptoms, but can't remember what the fix was. (Thought I had commented here on it but can't find the comment.)
May
20
comment Why do compilers have to be “smarter” for RISC instruction set architecture
@Pacerier - As my profile says -- older than dirt.
May
7
comment What happens to TCP connections when I remove the ethernet cable?
Did you look in the bit bucket for your missing packets?
May
2
comment Why do PCs still require a CMOS battery?
The CMOS battery is needed to power the clock in case the steam generator runs out of fuel.
Apr
30
comment Do recommended battery charging practices for a laptop apply to an ultrabook (with non-removable battery)?
Yes, leaving the battery in is recommended for most laptops. For best battery life the laptop should be set to only charge the battery to 60-80%, if such a setting is available. Otherwise, alternate having the battery on/off charge (but avoid running it flat).
Apr
30
comment Do recommended battery charging practices for a laptop apply to an ultrabook (with non-removable battery)?
Who said that? With most laptops you should leave the battery in the device. If the device has a setting to limit charging to 60-80%, use that, and leave it plugged in all the time. Otherwise use it with charger and without, alternating.
Apr
29
comment Does storage capacity affect hard drive performance?
At the fundamental limits, the answer is "yes". The larger the drive, for a given technology, the larger the cylinders must be, the heavier the access arm will be, etc, and hence access will be slower. (The same generalization is true for RAM.) But the effect is not usually very significant, since a given line of hard drives will tend to be designed starting with the largest, then scaling down without significant performance tuning.
Apr
17
comment What is the difference between these 2 twisted pairs?
You're sure the terminations are correct??