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-1
votes
1answer
19 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 ...
3
votes
5answers
9k views

How to find out if the screen is WLED or RGBLED on Dell Studio XPS 16?

I just ordered the Dell Studio XPS 16 with i7 and 16" RGBLED screen. This upgrade from WLED LCD to RGBLED LCD charged me more $$. But now when I view the order online, it lists this part as "320-8335 ...
2
votes
6answers
20k views

Why does my mouse's LED not turn off when I shut down the PC?

Why doesn't my optical mouse's red LED turn off after I shut down my PC?
0
votes
1answer
12k views

How can I identify if my LCD screen has an LED backlight?

MY new XPS 15s screen broke so i had it replaced. However i'm having doubts that instead of my normal LED backlit screen I have been given an traditionally backlit screen. How do I find out ?
0
votes
1answer
63 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
15 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 ...
5
votes
2answers
2k views

Hard Drive Light Emulator

I've just got a new Dell Inspiron, and I'm a little disconcerted without the reassurance of a flashing hard drive light, especially with long installs. Is there something that can reveal HDD activity ...
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 ...
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 ...
4
votes
6answers
107k views

Computer runs but monitor is on power saving mode?

This stuff rarely happens, but when it does I simply restart my PC then it works fine. But today after several restart attempts it seems to be stuck. I tried removing the video card then switched to ...
1
vote
1answer
87 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
102 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
52 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 ...
1
vote
2answers
1k views

Control keyboard LEDs

I have an IdeaPad G560 and it has a bunch of LEDs on the keyboard. I would like to use some of these. Where should I look for files controlling these? There's no led directory in /proc/acpi (where it ...
2
votes
3answers
2k views

Why does my LED backlight laptop have a warning sticker about mercury?

I recently purchased an Asus UL30Vt-X1, which according to the specs has an LED backlight for the screen. It definitely appears to be an LED backlight, but the laptop still has a sticker that the lamp ...
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 ...
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
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
1answer
3k views

My Philips Meridian 191EL2 LED monitor's brightness resets to 90 on power up

It is the inbuilt monitor menu. It just doesn't save what I set. How can I control the brightness from OS. I am on windows 7. nvidia xfx 9500gt graphics card installed. Thanks for help.
4
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 ...
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
0answers
251 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 ...
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.
0
votes
2answers
2k views

Can you disable the light up buttons on the HP HDX series laptops?

I'm intrested in buying a laptop from the HP HDX series, but I have one concern. As you can see below, they have touch sensitive buttons above the keyboard which are lit up. I cant help but think how ...
0
votes
1answer
319 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: "...
3
votes
5answers
7k views

How to turn on/off leds by terminal?

I would like turn on/turn off some of my leds running a command on linux. I use Ubuntu 12.04 LTS. I tried xset led named "Scroll Lock" xset led named "Num Lock" xset led 2 (this is the ...
0
votes
0answers
211 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
339 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 ...
1
vote
1answer
3k views

Which voltage does the Power-On/Status and the HDD activity LED connectors of a motherboard deliver?

The case I want to use does not have an option to connect the power or HDD activity LED. Therefore I would like to use some 3V LEDs I already own. However, since they are only for 3V, I would like to ...
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 ...
2
votes
2answers
680 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
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 ...
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 ...
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 ...
2
votes
1answer
411 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 ...
0
votes
1answer
215 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
910 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 ...
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 ...
0
votes
0answers
237 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 (...
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 ...
4
votes
2answers
1k views

Disable pendrive blinking in Linux

I recently bought a 16GB Super Talent pen drive that seems to work well for running the Ubuntu Live "CD" in persistent mode (see this for how I installed it). One slightly annoying thing, however, is ...
3
votes
1answer
3k views

How to turn off the Acer Aspire 7738 Power Button LED light?

The Acer Aspire 7738 has a large blue light emitting power button, top left on the keyboard. Its light is rather distracting and I want to turn it off. How can I disable this light?
1
vote
2answers
2k views

Fan twitches and LEDs blink when computer is plugged in

I just finished assembling a desktop for the first time. The specs are: Gigabyte GA-H55M-S2H motherboard Core i3 530 CPU 4 GB DDR3 RAM 1 TB SATA hard drive 500 Watt PSU As soon as I plug in the ...
0
votes
1answer
823 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 ...
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 ...