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-1
votes
1answer
18 views

Upgrading HP 650 Hardware [on hold]

I have an HP 650 laptop that has very low memory and a very low pixel density. I want to upgrade the dislay from the 1366 x 768 to 1920x1080 but this guy says it's not a good idea to do that. Does ...
0
votes
1answer
59 views

What is the difference between these display screens?

Please check these 3 products: http://www.snapdeal.com/product/CompaqPres/89388 http://www.snapdeal.com/product/lenovo-ideapad-30015isk-notebook-80q700uein/639467071061 http://www.snapdeal.com/...
0
votes
1answer
13 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 ...
2
votes
2answers
284 views

How can I turn off the LEDs on the front of my laptop(ASUS K501LX-NH52)?

Is there a way to turn off the lights on the front of my laptop? My laptop: http://www.newegg.com/Product/Product.aspx?Item=N82E16834232753R. I am currently running a dual-boot of KDE Fedora and ...
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 ...
1
vote
1answer
86 views

Can I set LCD/LED or OLED monitor refresh rate to around 0Hz?

I think that this would be perfect for reading(like E-ink with backlight), and would lower eye strain in situations where high refresh rate is useless. It would be even better if the refresh rate ...
0
votes
1answer
95 views

Whats the difference between WLED and LED in displays?

I want to buy a laptop which have LED backlit display but there are other laptops better than that with WLED backlit display having same price tag. Can anyone explain me what's the difference between ...
0
votes
2answers
49 views

Why is the network activity LED keeps on blinking nonstop really fast?

I never noticed my desktop's Ethernet network activity light or LED is blinking all the time NONSTOP until couple of months ago. I think it was always that way whole time, but my question is why. I ...
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
1answer
107 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
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
250 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 ...
1
vote
1answer
45 views

Pink LED on case with high processing C++ program

I have written a very intensive program in C++ that should loop on some code for a quite long time. I can't explain why, after few minutes, the program stops working (I don't see any output) and a ...
1
vote
1answer
3k views

How to stop power light on PC from blinking when in sleep mode? [duplicate]

I regularly put my PC into sleep mode. Unfortunately the power button LED blinks every second and it's extremely bright blue which makes sleeping in the same room somewhat challenging. I have resorted ...
0
votes
1answer
314 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
0answers
210 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 ...
-2
votes
1answer
338 views

Connect an RGB LED strip over USB [closed]

I am building a PC and wanted to do custom lighting with an RGB LED strip. I could connect an Arduino to one of the internal USB headers but decided that I wanted to try and connect the power to molex ...
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
2answers
81 views

Is it possible to change screen backlight trough hardware means?

Given that after several days I didn't manage to change the brightness through software means (askubuntu.com/questions/577539/dell-chromebook-11-unable-to-set-backlight-and-sys-class-backlight-empty ...
1
vote
2answers
1k views

How do I turn off MagSafe light?

When I go to sleep at night, the two green lights (emitting from both sides of the MagSafe connector of my 13" MacBook Air's power adaptor) light up my whole room. How do I turn these off? I ...
0
votes
2answers
1k views

Are there 3-pin to 2-pin power connectors for motherboards

My (old) case front panel has a 3-pin power led connector (inc. one empty slot in the middle). My (new) motherboard has a 2-pin power led connector. How do I connect the two? If I try to connect the ...
0
votes
1answer
213 views

Are there any unmanaged gigabit switches available without indicator LEDs? [closed]

I need to put a switch into my home theatre stack and am looking for something without blinking indicator LEDs. I’ve debated taping over them but that looks ghetto and actually requires some precision ...
0
votes
1answer
908 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 ...
1
vote
2answers
1k views

led tv monitor supports 1920 x 1080 Full HD Resolution but on my pc resolutions settings there are no 1080p resolution?

I have a TCL 19" LED19P21 LED TV according to its specs it should support 1080p resolution but I don't see 1080p resolution on my windows 7 display settings. I have a HD 4670 ati radeon video card and ...
0
votes
0answers
236 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 (...
4
votes
2answers
327 views

Toshiba Laptop doesn't charge whilst the laptop is in use

I have a Toshiba laptop that charges while it is off - it charges normally, the battery LED shows orange (charging) as per normal. However when the charger is plugged in and laptop is on, the power ...
1
vote
2answers
115 views

How can I confirm through monitor specifications that they will match an existing display?

I couple weeks back I bought a MacBook Pro with Retina display and I love it. To go along with it I bought a second monitor; a generic LG-branded monitor. My issue is that the colors on the LG monitor ...
1
vote
1answer
140 views

Is there a conprehensive guide on how to take a LED display apart? (ant stuck inside) [closed]

The ant is not on the very first layer. I thought about taking it apart but I haven't been able to find something with a detailed description on how it is done.
2
votes
1answer
4k views

Should one side of an LED monitor get warm?

I have recently purchased a new LG 22EA53 IPS LED Monitor. Only one side(right side) of this LED monitor gets warm after 1-2 hours of usage, while rest of the three sides do not get warm at all. Is ...
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 ...
0
votes
1answer
821 views

M5A99X Evo R2.0 wont post after new ram upgrade

Setup: ASUS M5A99X EVO R2.0 AM3+, AMD 990X, SATA 6Gb/s, USB 3.0, ATX, AMD Motherboard AMD FX-8350 Vishera 4.0GHz (4.2GHz Turbo) Socket AM3+ 125W Eight-Core Desktop Processor FD8350FRHKBOX 6 to 8GB ...
0
votes
1answer
7k views

New build Asus Z87-A motherboard; PC not starting, DRAM memory LED lights up red

I have problems with a newly build computer with a Asus Z87-A motherboard. We build several computers with the same configuration and all the other ones were working fine. First I thought the DRAM ...
1
vote
1answer
296 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 ...
0
votes
1answer
641 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: ...
2
votes
1answer
2k views

Disable capslock LEDs light

I'd like to know if there's a way to disable the LED light of my capslock key. I'd like to use it for gaming but everytime I press it the LED turn on and it blinds me.
3
votes
5answers
2k views

Does Lowering The Monitor Refresh Rate Save Battery Life?

Is this a myth or is this for real? I read about it all and was wondering if anyone knows if it is true or tried it yet. Going from 60Hz to 40Hz
0
votes
3answers
538 views

Does changing a display's resolution turn display's pixels off?

When a display (LCD, LED, OLED, etc) changes its display resolution, are pixels on the display "turned off"? Meaning, are the same number of pixels on the display being used to show an image with ...
2
votes
2answers
677 views

Flashing LEDs on 101-key Unicomp PS/2 keyboard

Background Purchased a Gigabyte motherboard (GA-78LMT-USB3) with a new computer about a week ago. The keyboard is a Unicomp 101-key PS/2 keyboard, which is what I am using to type this question (i.e.,...
0
votes
0answers
395 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. ...
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 ...
0
votes
2answers
352 views

Is it possible to connect a standard resolution Laptop to an external HD Display LED Monitor?

I am having an Acer Aspire 5920 notebook with the following details: Display resolution: Display: 15.4" Acer CrystalBrite TFT LCD, WXGA (220-nit), 1280 x 800 Resolution Port for External Display: ...
2
votes
1answer
2k views

How can I tell if a replacement display is compatible with my laptop?

I have an Acer Aspire 4810TZ from 2010 which I truly love - it's a 3 year old notebook that still carries on for about 5 to 6h straight off the battery. I've also invested in it with an SSD and extra ...
1
vote
1answer
888 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
0answers
160 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 ...
3
votes
3answers
8k views

LCD/LED screens; how color affects the power consumption?

I have read on web, for CRTs black color would reduce the power consumption of the monitor but for LCDs it's the white color that reduce the power consumption. It says "The way LCD's produce black is ...
3
votes
2answers
2k views

If there is no CPU in the motherboard, will the LED still be on?

Sorry if my question may have been answered somewhere else, but my google-fu is kind of weak. I have been trying to create a new setup recently. The PSU (700W) is known to work on other motherboards, ...
5
votes
1answer
686 views

Getting laptop wireless LED to indicate wireless network activity?

Is there a way to get the wireless LED of a laptop to indicate wireless activity the way that the hard-drive LED does? It seems to have been implemented in Ubuntu, so fortunately it can be done with ...
1
vote
1answer
179 views

Laptop screen replacement

I have this screen and the "Full HD" resolution is too much for my eyes. I'd like to get a screen with smaller resolution. Will this model work? Or N173HGE-L11 (please use search on that site, I can't ...
4
votes
2answers
2k views

Can I use the HDD LED or another LED to get process activity?

Can I get the status of a process by using the HDD and Power LEDs as indicators? I'd like to use the green power LED to tell me that a status is available, and the red LED to tell me that it isn't.
0
votes
1answer
731 views

LED Display control software

My university bought new big led display from chinese manufacturers. What I want to do is, show some visualizations (like Windows Media Player, Winamp, Itunes ... does) with music. I'd just drag the ...