The signal tag has no wiki summary.
0
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0answers
328 views
ASUS “DVI no signal” or “VGA no signal”
I have an ASUS monitor attached to an HP desktop. This configuration has been working every day for a couple of years. When booting up today, the HP boots up (or seems to). The monitor flashes the ...
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0answers
11 views
What's the difference between large and small scale signals [migrated]
While reading about signal propagation, you encounter the two confusing terms, large-scale and small-scale. What's the difference between them! And what's the difference between the large-scale and ...
3
votes
1answer
346 views
Video “no signal” but computer still running
Update
Not doing anything in particular during these blackouts... Usually just when im doing nothing, sometimes im watching a video, sometimes playing a game... but mostly just whenever. I mostly ...
0
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1answer
175 views
Wireless repeater shows 54 mbps G when configured for 300 mbps N
I have an Encore ENHWI-2AN34D as a wireless repeater in my WLAN. The router is a TP-LINK TL-WR1043ND 300 mbps N and the repeater is 300 mbps N too, but when I check signal strength with inSSIDer or ...
0
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1answer
81 views
Loss of net access seemingly due to WiFi signal clash with repeater
The apartment I live in has a single corridor opening into rooms A,B,C,D adjacent to each other. The WAN ethernet terminates in room C where I have a Netgear WGR614v7 router installed. This router has ...
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0answers
49 views
After leaving display on overnight, I cannot get the Windows login screen up on the display, via the DVI cable alone, no matter what I try
When I come back to my computer, after leaving it on overnight, the display gives me a no signal message. I cannot get the Windows login screen up on the display, via the DVI cable alone, no matter ...
1
vote
2answers
721 views
How do I troubleshoot low wireless signal strength on my Dell Studio XPS?
My Dell Studio xps laptop has just started experiencing extremely low signal strength. I did set up a wireless printer the other day, so maybe I screwed something up in the process.
Here's what I ...
1
vote
1answer
174 views
no DVI signal during bootup 'till OS loaded
I connected a new display (ASUS VS229-H) to my computer using the DVI-cable which came with the display. I only see "no signal" on screen until the OS log-in screen is loaded.
The previous display ...
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0answers
115 views
How can I reverse my router to boost wifi
I have a Linksys N Router model E3200. I do NOT have the internet, but use WiFi on my laptop a MAC Book Pro running Lion. Since my wifi goes in and out all the time. I was wondering how to use this ...
0
votes
1answer
61 views
Why does Unix deliver signals this way?
In Unix, when signals are posted, and the receiving process is running more than one thread, at first a thread is chosen to carry out the signal handling routine.
I don't understand why that is ...
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0answers
147 views
How to make a Shell Script create a copy and terminate itself?
So far I used
trap " call function" 2
fucntion
{
./test.sh
exit
}
but it never reaches the exit line and a whole bunch of process piles up any one got any idea?
I tried & (bg) but i need to ...
1
vote
1answer
93 views
Does IE10 have an audio API?
Is there any way to do any audio processing(FFT,etc.) with javascript in Internet Explorer ?
Does anyone know if IE10 does/will have any audio processing apis (similar to the Mozilla one) ?
0
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1answer
89 views
Wi-Fi Signal Amplifier/Extension [closed]
Possible Duplicate:
Good Wireless Range Extender
I have WiFi router that i want to extend to longer range. I dont want to plug anything in router though it does not have any removable ...
2
votes
1answer
371 views
No signal after log off/ switch user
Periodically my monitor will go black and display "no signal" before turning off (power save mode) when I log off Windows or switch users. It doesn't do this every time, although most of the time the ...
0
votes
1answer
172 views
Trap ctrl-z key to perform cleanup
All,
I have a shell script where I want to call a function to do some cleanup if user presses the ctrl-z key(SIGTSTP signal). I read about the trap command and found an example where I can trap the ...
0
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1answer
71 views
In which program I can generate signal with 3 harmonics 1000Hz frequency?
Generate signal with main harmonic - 1000Hz frequency and two other harmonics (second and third) with the same frequency.
I found Audacity but I don't know how to do such there. Help me please.
P.S. I ...
0
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0answers
62 views
Monitor loses signal when switching users
Periodically when I log off from Windows my monitor will lose signal. The machine powers down normally when I press the power button on the case so I think it is running normally aside from that.
...
2
votes
3answers
289 views
SIGTERM with a keyboard shortcut
I know that inside a terminal, Ctrl+C keyboard shortcut will send a SIGINT signal to the current foreground process. Is there a way to setup a keyboard shortcut for sending SIGTERM or even SIGKILL to ...
0
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1answer
59 views
Where should DVI signal be converted?
I recently read that the only difference between DVI and VGA is that DVI is digital whereas VGA is an analog signal. This means it might gain noise along the way or if the cable is cheap. I currently ...
2
votes
2answers
243 views
Get rid of buzzing noise when playing videos over ethernet-over-power?
Just bought one of these guys, and it's able to stream 1080p video across my house, but now there's a soft buzzing noise coming from my speakers. I'm guessing it's interference from my powerlines? ...
0
votes
1answer
314 views
Are there any softwares on Windows to measure bluetooth signal strength?
I was wondering if there are any softwares on windows that can measure the signal strength of the connected bluetooth device?
0
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0answers
71 views
Establishing “SIGWINFOCUS” as a standard [closed]
As a corrolary to this question, which I've been thinking about since reading it, what would it take to get something like SIGWINFOCUS established as a standard signal along with SIGWINCH? Obviously, ...
3
votes
1answer
481 views
What Can I do to Improve Cable Link/Signal Quality?
I have a cable TV and Internet connection which have been suffering from low SNR (Signal-to-Noise Ratio) since late April. I've contacted my provider regarding this problem several times to get it ...
2
votes
2answers
337 views
Will I get a better wireless signal by just replacing the antennas?
One of the antennas was broken on my wireless router (Billion 7800N). It has 3 external antennas and I was wondering whether it is worth replacing all 3 with better/larger ones?
Potential results I ...
2
votes
1answer
84 views
Fedora Linux: Way to use stty (or equivalent) to bind key to raise SIGUSR1 for application?
I'm using FC 14, but this is probably a fairly generic Linux question.
I want to be able to bind a key in the Linux terminal driver that will cause a signal other than SIGINT or SIGQUIT to be raised ...
0
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0answers
232 views
3G USB Dongle weak signals problem [closed]
I have Huawei EC169 USB 3G dongle. I'm having weak signals problem with this device. It has no place to add external antenna. Is there a way to make the reception/signals stronger?
1
vote
1answer
104 views
Linux: Typical amount time before kill after term?
In linux for a typical reboot/restart what is the standard amount of time given for a process to shutdown once given the term signal before the system kills it?
2
votes
2answers
388 views
Connecting a Wifi router to receivers with a cable instead of antenna?
This is a very strange question--I'd go so far as to say it's a stupid question.
I'm being told that it is possible to, to describe it briefly, use a cable to connect an access point and a receiver ...
1
vote
1answer
565 views
Any microphone testing program?
I have an idea of testing the microphone quality by playing sound of various frequency in the speaker and compare it with the recorded sound. It should be able to tell you the SNR at different ...
2
votes
1answer
157 views
Redirecting serial port keeping ability to send signals
I have the following scenario: a laptop running Windows XP, connected to a meter through its serial port.
I need to read/write to this serial port from a remote computer (running windows 7). I also ...
1
vote
1answer
344 views
How to increase the strength of my wireless signal? [closed]
Possible Duplicate:
Improve Wireless Signal
Hello! I have some wireless connection from my college through the dormitory where i am living. The connection is really strong in the living ...
0
votes
1answer
2k views
Samsung monitor displays only “Check Signal Cable”
I suddenly got a 'Check Signal Cable' after turning on my monitor. It was working this morning I checked the vga cable. Inserted it to another monitor and it worked I have a
Samsung S19A300B
Radeon ...
3
votes
2answers
130 views
How do I decide where to place my AP in order to minimize interference?
We have an AP and I'm wondering if we can reduce interference by moving the AP to another place.
I know that other APs can interfere and I've set the router to use channels that are more free.
But ...
0
votes
2answers
137 views
WiFi router installation/signal problem
I got 2 questions concerning my WiFi router:
I got my D-Link router 3 years ago and recently the signal is getting weaker especially toward the end of the day. Why? Sometime it's so weak that I ...
0
votes
1answer
195 views
Play a WAV through /dev/console
Is there a way to play a WAV through /dev/console? (without being root)
The same way the shell command
/dev/urandom > /dev/console
produces a random sound
cat music.wav > /dev/console
...
7
votes
3answers
731 views
How to block bluetooth signals?
We're developing software for bluetooth devices. We'd like to test the case when the device gets out of range, but don't want to carry the device to the other end of the office for each test.
What is ...
1
vote
3answers
273 views
The physical working paradigm of a signal passing on wire [closed]
Possible Duplicate:
How does network interface card work physically?
Hi,
This may be more a question of physics, so pardon me if there's any inconvenience.
When I study computer networks, ...
0
votes
1answer
152 views
Improve wireless performance
I have a Trust Speedshare Turbo Pro router, which is running on channel 6. I found that the wireless signal (and network performance) dramatically drops from my PDA (I can barely attach to the ...
1
vote
2answers
483 views
Background process and SIGHUP
My understanding is that a program that is associated with a BASH terminal will receive the SIGHUP signal if that terminal is closed. This usually will terminate the program.
I also know that you ...
3
votes
3answers
1k views
Wifi poor SNR, reasons and solutions:
I'd like to know technically how to diagnose whats causing poor signals and how to improve:
Now I have a D-Link DIR-655 and its signal level is set to full, but the router model should not be the ...
1
vote
1answer
233 views
Selectively ignoring Ctrl+C / SIGINT
I have the following bash compound command:
while true ; do slow-command-one ; slow-command-two ; slow-command-three ; done
What happens:
When I press Ctrl+C at any point, the entire command is ...
5
votes
3answers
1k views
Difference between shutdown ( power off ) and restart ( reboot )
What is Difference between shutdown (power off) and restart (reboot) ?
What type of signals passing at time of reboot and poweroff, to where ?
What is difference between these two signals ?
At ...
1
vote
3answers
2k views
Can I automatically connect to the strongest wifi network under Windows 7?
I have a Windows 7 laptop, and 2 wifi connections.
Windows 7 allows me to specify a strict preference list of networks in the "Manage Wireless Networks" under the Network and Sharing Center. However, ...
1
vote
2answers
447 views
Does the channel by itself have an affect on WiFi signal?
There is one WiFi access points in range of my room and it's mine. Using the WiFi Analyzer application for my Android phone, I've found that the entire channel range is wide open. currently, I'm using ...
1
vote
0answers
161 views
Which Waveform viewer to use for binary data?
I have a file that contains a set of signals, each with binary data that changes other time.
Something like this:
clk : 0011001100110011
sig1: 0001000100010001
sig2: 0111100010011011
I am looking ...
3
votes
1answer
501 views
Signal strength and Speed of wireless network
As shown by Lenovo Access Connections on my Windows 7, the wireless network I am using has a speed of 54.0Mbps but a signal strength of 88%.
I am using WinSCP with unlimited speed to download files. ...
2
votes
3answers
253 views
Good Wireless Range Extender
Can anyone recommend a good wireless (802.11g) range extender? I would like to find something that will provide reliable wireless to areas of the building that aren't covered or get poor reception. I ...
1
vote
2answers
929 views
How to disable ^C from being echoed on Linux on Ctrl-C
When I press Ctrl-C in any pseudoterminal (xterm, gnome-terminal, rxvt, text console and SSH) in Karmic Koala, the string ^C gets echoed to the terminal in Ubuntu Karmic Koala. This hasn't happened in ...
3
votes
2answers
787 views
Mac Mini - Monitor gets no signal everytime Mac wakes from sleep
Everything works fine until the Mac goes to sleep, then upon waking it the monitor (Wacom Cintiq interactive pen display) gets no signal and I have to unplug it from the back of the mac and plug it in ...
1
vote
2answers
816 views
any aircrack compatable adapters apart from Alfa AWUS036H
I am looking for any wi-fi adapters which are compatable with aircrack. I came to know that Alfa AWUS036H is excellent in terms of performance but it has so many issues with regard to drop packets. Is ...
