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27
votes
6answers
53k views

Is an LED monitor better for eyes than an LCD monitor?

Is an LED monitor better for eyes than an LCD monitor? EDIT: And if you are allergic to fluorescent light, is LED going to be better? I heard that LED doesn't uses fluorescent light.
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 ...
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.?
7
votes
2answers
10k views

How do LCD monitors compare to LED monitors?

I'd love to get this LCD monitor, but I'm wondering if I should hold out until more LED monitors are on the market. I really like the brightness of the 27" iMac monitor and the above monitor is only ...
5
votes
5answers
21k views

Why do most LED monitors have low contrast ratios? (1000:1)

I was just looking on newegg.com and I noticed that there are about 28 monitors have have a 1000:1 contrast ratio but only 5 that have the 5,000,000:1 contrast ratio...how come most LED monitors have ...
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 ...
5
votes
1answer
432 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 ...
4
votes
2answers
2k views

Is it possible to control the CAPS LOCK LED on OS X?

I don't use the CAPS LOCK functionality in OS X, so I disabled the key under the system preferences. Now that key is completely useless to me - ok, I could map the CMD/CTRL/ALT key to that key, but I ...
4
votes
2answers
140 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 ...
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. ...
3
votes
2answers
951 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
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, ...
3
votes
1answer
2k 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?
3
votes
2answers
5k views

HP DX5150, MS-7050 v. 1.3 Motherboard front panel pin connectors

I recently purchased and installed a MS-7050 v. 1.3 motherboard into a regular non-HP case and thus the front panel connectors are different than the original OEM connectors which are all bundled ...
3
votes
1answer
2k views

Disable power LED blinks during Vista hybrid sleep?

Does anyone know how to disable the blinking power LED when Vista enters hybrid sleep mode? My case has a very bright blue LED that is rather distracting. I'd rather not disable hybrid sleep, as it ...
3
votes
1answer
2k views

LED Monitor brightness

I am in the market for a new monitor. I've been looking around and it seems that the general brightness for monitors is between 250-320 cd/m2. After hours of searching, I narrowed it down to the LG ...
3
votes
3answers
373 views

Should I be worried by wireless blinky light?

I have a desktop box with both a regular ethernet NIC and a "wireless PCI express card LAN Adapter". The NIC is plugged into a wired router (which I use to split my internet connection between this ...
3
votes
4answers
8k 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
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 ...
2
votes
2answers
1k views

who makes an LED desktop monitor besides Apple? [closed]

Besides Apple (Cinema Display) who sells an LED backlit computer display 1900 x 1200 or 1900 x 1080?
2
votes
1answer
119 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' ...
2
votes
1answer
903 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 ...
2
votes
1answer
901 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 ...
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
186 views

How do you connect a card reader?

I bought a Velocity micro case which came with a card reader built in. I installed a Gigabyte 880GA-UD3H and can't find a place to plug it in. Do most motherboards have this option? Or did just get ...
2
votes
1answer
360 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 ...
2
votes
1answer
632 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
2
votes
1answer
336 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
6answers
46k 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
2answers
1k 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 ...
1
vote
1answer
163 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
989 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.
1
vote
2answers
835 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 ...
1
vote
5answers
7k 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?
1
vote
1answer
712 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
1answer
1k views

Energy efficient CRT, LCD, LED?

Not intended for subjective or argumentative replies but i wanted to know in order to save some electricity bills which monitor is going to be best bet. LED monitors are currently not available in ...
1
vote
2answers
46 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
721 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.
1
vote
1answer
2k views

Difference between a LED Backlit and LED HD Display on laptop monitor

Is there a difference between a LED Backlit and LED HD Display on laptop monitor? or are they the same that is good for the eyes
1
vote
2answers
1k 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 ...
1
vote
1answer
897 views

ThinkPad T400 backlight doesn't always turn on when booting from battery

I have a Lenovo ThinkPad T400, which I've owned for about a year. A while back, I noticed a problem in which the LED backlight would not always turn on when booting from battery. Usually, if I hold ...
1
vote
2answers
169 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 ...
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 ...
1
vote
2answers
788 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 ...
1
vote
1answer
2k views

Why does my new LED LCD TV look worse than my CCFL LCD monitor?

At work we wanted a large 1920 x 1080 monitor to use with a certain program. Since monitors with this resolution seem to currently stop at 24", we went for a LCD TV so that we could have 26", and in ...
1
vote
2answers
266 views

Router startup problems

I have problems with my Tilgin Vood Router. As I try to start my router by turning the power on (captain obvious), it generally doesn't work the first 3-4 times. This is getting very annoying. Five ...
1
vote
1answer
271 views

Turn LED light on when I receive a new Skype alert?

Is there a way to have one of the LED lights on my computer to light up when I get a new Skype message or alert? I found this on Ubuntu, but would like to see this functionality in Windows... Ideas ...
1
vote
2answers
341 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 ...
1
vote
1answer
313 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
176 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 ...