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-5
votes
2answers
238 views

Do optical mice actually take pictures from their surface?

I tested several optical mice and wondered whether they really Take Pictures of their surface or only of the reflecttion of the LED or LASER that is emitted from the mouse? If mice take a picture ...
1
vote
0answers
109 views

Material to use for computer system cover against UV and salty air?

I live right next to the sea and have a large window quite close to my computer setup which allows a lot of indirect sunlight to enter. I'd like to buy or make a cover for my computer system. From ...
-5
votes
1answer
4k views

What does this light shaped like a cylinder mean?

I bought this Asus K53E laptop two years ago but I don't even know what this light means. I'm talking about the middle one (next to the battety \ wireless)
0
votes
0answers
45 views

Laptop colors changed. Everywhere

Everything was good, but today when I turned on my laptop HP ProBook 4320s, power button, wifi button, hdd led and Screen - everything went from clear white to white-purple. Has anyone any ideas?
0
votes
4answers
2k views

Led light keeps blinking

The LED light on my computer keeps gently blinking all the time. Is this a possibility of bad hard drive cable connection? Or is this just a case of a fragmented disk? I haven't formatted my ...
1
vote
1answer
178 views

Laptop ethernet port blinks once when plugging in power

Weird question. On my Acer Aspire 5750, when the machine is powered off and I plug in the power cord the ethernet port (located right next to the power jack) blinks green once. This does not happen if ...
2
votes
2answers
3k views

What's the minimum network latency for a 1000 km connection using optic fibers?

I know most of the network latency for short distances is due to router processing times. But for longer distances the speed of light also counts. And it's different from the speed the light in the ...
0
votes
1answer
460 views

L1953T-BF Monitor won't turn on, not even the led light, all of a sudden

Ok so I have this monitor L1953T-BF of LG since 4 years now. It has been working perfectly since I bought it and I never made extreme uses of it. I've been working on my PC yesterday and played ...
0
votes
1answer
1k views

DD-WRT: What firmware and what webserver will fit on my 8MB of flash?

Attempting to make a portable WiFi webserver with php support on an old WRT54GS (v1.0) with DD-WRT. I have 8MB of flash on there. I know, it's a tall order. I tried the combination of ...
2
votes
2answers
816 views

Is there any light sequencing software?

I would like to sequence a number of stage lights that will change synchronously to a song. Is there any tool that would help me to do that? Even if it only sequences virtual lights?
24
votes
7answers
2k views

What is the origin of the hard drive light?

In practically every computer I've had, there's always been a light to display hard drive activity. What's it's origin and original use?