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1
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5answers
32k 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

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 ...
2
votes
1answer
525 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
1answer
283 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
2answers
2k 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 ...
1
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5answers
5k 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
259 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
0answers
261 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
313 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 ...
0
votes
3answers
3k 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
1answer
94 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
1k 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
0
votes
1answer
2k 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
129 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
2answers
252 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 ...
0
votes
1answer
280 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
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
390 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
377 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
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
3answers
236 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 ...
0
votes
0answers
178 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. ...
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 ...
1
vote
1answer
771 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
1k views

Where do I connect the HDD LED wires on my RAID adapter?

I'm using a Promise FastTrak TX8660 with RAID 5. The manual (and Google) just doesn't seem to explain how exactly to connect a standard two-pin HDD LED wire to the eight available pins on the card. ...
5
votes
1answer
382 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 ...
0
votes
2answers
211 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: ...
25
votes
6answers
49k 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.
1
vote
1answer
516 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
119 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
1answer
286 views

Laptop internal display no longer wokring

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 ...
3
votes
2answers
979 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, ...
0
votes
0answers
45 views

Laptop colors changed. Everywhere

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?
1
vote
2answers
594 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 ...
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 ...
1
vote
1answer
147 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
750 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
398 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 ...
5
votes
5answers
17k 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 ...
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. ...
2
votes
1answer
176 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 ...
1
vote
1answer
670 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 ...
0
votes
0answers
345 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
371 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 ...
19
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
115 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' ...
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 ...
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?
0
votes
1answer
7k 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
1k 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.