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2
votes
1answer
410 views

Laptop internal display no longer working

I have a Toshiba laptop which has a broken LED screen the screen was broken in transit, therefore you can assume that it was not handled with care. Whilst it was broken it still worked, therefore I ...
1
vote
1answer
1k views

Weird LED laptop screen flickering after replacement

I have a 3 years old Toshiba Satellite L750D. A couple of days ago it's screen started having random noisy horizontal bars on the screen (some noises for 1-2 seconds, then nothing for minutes, then ...
1
vote
1answer
291 views

A screen virtual LED on linux

We have some LEDs on our machine to indicate the status of Caps Lock, Num Lock etc. Now I need a virtual LED in Linux to notify something. For example, I wrote a script to monitor a website. When ...
1
vote
1answer
2k views

HP pavilion dv5 doesn't start with AC adapter

I'm experiencing a problem with my HP Pavilion DV5 laptop. It will not power on with the charger only. It did so before. It powers on with the battery, but the charger light on the side next to the ...
1
vote
1answer
874 views

CPU fan twitching phase leds blinking - computer won't boot

I have a big problem that I got today. Yesterday computer was "on" normally, I went to sleep without shutting it down. When I woke up, I heard a strange sound and was unable to bring it up from ...
0
votes
1answer
11 views

Disable light sensor of Webcam which lights up LED

I use an external webcam with pre-built LED lights which light up in low-light situations. The light sensor is on the top of the webcam. The software supplied with the webcam doesn't have a function ...
0
votes
1answer
88 views

Turn off LEDs on case fans?

I'm thinking of getting LED strips with adjustable colors for my PC. The problem is that I have several case fans, all with bright LEDs on them. I want to turn off these LEDs. What my first idea is is ...
0
votes
1answer
284 views

Editing /sys/class/leds/phy0-led/ configs

I am trying to configure LEDs on my laptop running Xubuntu 14.04. I found out that there are some configs that affect LED behaviour, located in /sys/class/leds/phy0-led/. There are 3 relevant files: "...
0
votes
1answer
889 views

CM Devastator Keyboard - Turn On Backlight, Turn OFF Scroll Lock

So I recently purchased a CM Devastator keyboard, which has a LED backlight. The catch is, that the backlight is toggled with the ScrollLock key. So you have to have ScrollLock "On" in order to have ...
0
votes
1answer
637 views

the led of wireless card is always flashing

I just installed archlinux and awesome on my laptop. But I find that the led of wireless card is always flashing in connect status. Is there any way to disable it? NIC: 07:00.0 Network controller: ...
0
votes
0answers
49 views

LED monitor disturbed image, but before VGA is plugged it is OK

My monitor shows the setting menu (when I press the menu button of the monitor) very well (clear image) but the image output from my computer (desktop) is disturbed (like an old TV that has weak ...
0
votes
0answers
47 views

Why is straight-on viewing of inexpensive LCD screens no longer the best angle?

I bought several inexpensive tablets in a range of sizes. Each is from a different manufacturer. I have not taken them apart, but using a magnifying glass, I can tell that each screen appears to be ...
0
votes
0answers
58 views

Caps Lock LED not working after xset (linux) notebook keyboard

in the past I always got things working myself, so I just signed up for this problem. I wanted to have 'knight-rider-style' notification with keyboard leds, so I played around a bit with xset on my ...
0
votes
0answers
234 views

Increasingly growing vertical lines on my laptop screen (Dell Inspiron 7520 SE)

I've had these 2 vertical lines since yesterday. Their length have doubled since then ! Would someone please help identifying the problem and the solution ? I've had this laptop for around 2 years now ...
0
votes
0answers
196 views

Samsung 18.5" monitor showing coloured line bottom of the screen

I recently(about 2 month) bought a Samsung 18.5 inch(MODEL S19D300) monitor from Amazon.in. All was working fine till today.But today when I Started my PC , it is showing colored line about 3-4inch ...
0
votes
0answers
37 views

Dell 5523 very dim screen

I've got a Dell 5523 15z laptop recently from my friend. Unfortunately he had spilled juice on it. When I got it was not turning on. After few days I'm able to boot it in windows 8.1 The problem is ...
0
votes
0answers
225 views

Monitor turns off then on again issue with led monitor on older (2011) hardware

Monitor turns off then on again issue with led monitor on older (2011) hardware. Problem solved by swapping out the 2012 led monitor with the original 2011 lcd monitor. Question Why does the LED (...
0
votes
0answers
393 views

Calibrations settings stored in monitor

I recently bought new Samsung SyncMaster S22B300B. Its colors were awesome. To play with its settings comfortably using mouse, I installed Samsung MagicTune. There are two calibration options in it. ...
0
votes
0answers
159 views

Keyboard leds and X11 configuration changes randomly

I've been having this problem for a while now (= months). Though it's not life or death, it's like radiation poisoning - it accumulates, and reached a critical point. Here goes: The Numlock and ...
0
votes
0answers
532 views

Adding sensors on Intel Atom through GPIO

I am building a portable medical kit on Intel Atom N240 series, loaded with FC 11. I am adding sensors (spirometer oximeter) through GPIO, (using RS 232, spi. USB is also an option). I have loaded ...
-1
votes
0answers
17 views

WiFi keyboard LED on HP laptop not working

Since recently , my HP laptop's WiFi LED on the keyboard has stopped working.Also since that happened , other lights like volume are not on until about a minute of the laptop being on. What could be ...