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0
votes
1answer
36 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
68 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
39 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 ...
1
vote
2answers
176 views

How to enable mute button and wireless button LEDs on HP ZBook 15 laptop

I have an HP ZBook 15 laptop. When I first got it, it came with Windows 7 preinstalled. I reformatted the hard drive and installed Windows 8.1. There is a mute button and a wireless button on the ...
0
votes
1answer
130 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
95 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
55 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
119 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
43 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 ...
0
votes
0answers
34 views

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

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
0answers
388 views

Drawbacks with IntelPWMControl?

The tool IntelPWMControl can increase LED backlight frequency to reduce flicker when dimming certain LCD. Are there any drawbacks of using IntelPWMControl? Why doesn't the display controller by ...
2
votes
1answer
802 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
266 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
403 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
4k 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
171 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
360 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: ...
1
vote
1answer
629 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.
2
votes
1answer
577 views

Does 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
296 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
1answer
346 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 ...
0
votes
0answers
220 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
970 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
258 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
828 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
609 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
130 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 ...
1
vote
3answers
4k 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 ...
0
votes
0answers
48 views

Laptop colors changed. Everywhere [on hold]

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?
3
votes
2answers
1k 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
426 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
161 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 ...
1
vote
2answers
946 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
457 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 ...
2
votes
2answers
3k views

How to turn on/turn 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 ...
2
votes
1answer
329 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
2answers
784 views

Is it safe to cover LEDs on my fans with electric tape?

Just wondering. Some of these LEDs on my Antec 1200 case are kind of annoying since the computer is in my bedroom. Is it safe to cover these LEDs with electric tape? I've already done so for awhile ...
4
votes
1answer
1k views

Setting laptop leds in Linux

I have installed Arch Linux on my laptop. Controlling ALSA using the hardware audio keys works fine using Openbox shortcuts. I only need to make the mute button lights up, like it does in Windows. ...
1
vote
1answer
706 views

Differences between LED and LCD monitors, from a consumer's perspective

I'm researching possibly getting some LED monitors to replace my LCD ones. What are the practical differences between LED and LCD monitors that a consumer would notice? I'm looking for things like ...
1
vote
6answers
43k 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 ...
0
votes
0answers
394 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 ...
0
votes
1answer
405 views

How much is considered bleeding?

I got a new LED panel (Dell's 1080p B+RGLED) and it is great as far as color goes. Blacks are also very dark. However, the center 1/3 to 1/2 of the screen at the both the top and bottom edges has a ...
20
votes
4answers
2k views

How can I make my computer play dead? [duplicate]

Possible Duplicate: Disable power LED blinks during Vista hybrid sleep? I have a laptop that when sleeping is perfectly quiet, which is great. What isn't so great is trying to sleep with ...
2
votes
1answer
117 views

LED backlit monitor suitable for documents/web?

I am looking to buy a 24" monitor. Sometimes I watch movies, but mostly it will be for document editing and programming (Visual Studio). I have found a product I like, and it has an 'LED backlit' ...
0
votes
1answer
8k 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 ?
1
vote
1answer
2k 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
1answer
459 views

Network card (NIC) with pins for control LEDs?

Some new server cases I got have network indicator LEDs at the front, which would come in quite handy given the server's location and usage. But I couldn't find NICs that have pin for connecting these ...
1
vote
5answers
6k 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?
7
votes
1answer
5k views

How to test LCD monitors?

I will be buying a second hand monitor, a Benq LED Benq 24 V2420H FullHD. What methods can I use to test that the monitor is OK. I mean like dead pixels etc.?
0
votes
1answer
2k 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.