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3answers
1k 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 ...
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1answer
352 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 ...
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1answer
448 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 ...
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1answer
194 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 ...
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1answer
1k 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 ...
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1answer
659 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 ...
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1answer
431 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 ...
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1answer
468 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: ...
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1answer
535 views

L1953T-BF Monitor won't turn on, not even the led light, all of a sudden

Ok so I have this monitor L1953T-BF of LG since 4 years now. It has been working perfectly since I bought it and I never made extreme uses of it. I've been working on my PC yesterday and played ...
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1answer
538 views

Flashing led after newly installed motherboard + other parts

I rebuilt my gf's old Acer Aspire today with a new motherboard (ASRock 880GMH), processor, HD and RAM. I kept the power supply, old hard disk and DVD drive hardware. Windows 7 installed onto the new ...
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0answers
18 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 ...
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0answers
105 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 ...
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0answers
49 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.
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0answers
243 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. ...
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0answers
137 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 ...
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0answers
432 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 ...