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How to you clean globs of jelly that got under my computer keyboard keys?
This is just opinion.. use powerful vacume to suck it out
how do you clean your computer keyboard?
Buy compressed air at Best Buy or radio shack, if it is like 15 layers of dust just buy a new keyboard.
I like my computer keyboard but the letters have nearly worn off
By accident I discovered the search term "keyboard stickers"I found a selection on Amazon that look like the ones on my keyboard. They are not expensive so I've ordered some.The reviews say they are durable so here's hoping!Update: They arrived from France and are good quality. The only disappointment is that a sticker for the left-hand Shift key was not included
On A Computer Keyboard theres always a button that says System Rq What is for and what does it do?
SysRq or SysReq (short for System Request) is a key on keyboards for PCs that has no standard use. this key is useful in older Windows or operating systems. nowadays, the SysRq key comes with the Print Scrn funtion. This print screen has a function that is to capture the screen information. This is when u are using windows and older DOS or linux might response to the SysRq key. See below for more details.... : (can be quite long though....) Introduced by IBM with the PC/AT, it was intended to be available as a special key to directly invoke low-level operating system functions with no possibility of conflicting with any existing software. A special BIOS routine - software interrupt hexadecimal 15, subfunction hexadecimal 85 - was added to signal the OS when SysReq was pushed or released. Unlike most keys, when it is pressed nothing is stored in the keyboard buffer. A special key was needed because most software of the day operated at a low-level, often bypassing the OS entirely, and typically made use of many hotkey combinations. The use of TSR programs further complicated matters. To implement a task switching or multitasking environment, it was thought that a special, separate key was needed. This is similar to the way "Ctrl Alt Del" is used under Windows NT. On 84-key keyboards, SysReq was a key of its own. On the later 101-key keyboard, it shares a physical key with the Print Screen key function. One must hold down the Alt key while pressing this "dual-function" key to invoke SysReq. The default BIOS keyboard routines simply ignore SysRq and return without taking action. So did the MS-DOS input routines. The keyboard routines in libraries supplied with many high-level languages followed suit. Although still included in most PC keyboards manufactured, the key is of no use for the vast majority of users. Under DOS, malfunctioning foreground software could make the entire computer unresponsive. Third-party TSRs existed that used SysRq to provide a form of "panic button" to terminate the program and return the user to the DOS command prompt. In Linux, the kernel can be configured (with CONFIG_MAGIC_SYSRQ=y) to provide emergency functions for system debugging. It is mainly intended for use when the system is otherwise unresponsive, but at least some of the kernel still works. AltSysRqletter can be used for synching disks, remounting filesystems readonly, dumping CPU state, rebooting, and other functions. (See Raising Skinny Elephants Is Utterly Boring.) In Windows 95 or higher, it is possible to boot the system with a debug switch by modifying the boot.ini file located in the root of the master drive. When the debug switch is set, it then becomes possible to attach a kernel debugger by IEEE 1394 (Firewire), named pipe, or null modem. Under such a circumstance, the SysRq/PrintScreen button by default will break control of the system into the attached debugger. This behavior can be turned off by modifying the HKEY_LOCAL_MACHINESystemCurrentControlSetServicesi8042prtParameters registry key.
How Do I Clean My Computer Keyboard?
Compressed air or a hand held vacum are the best ways to do it....technicians do it like that
Is there a 3v resistor inside of a computer keyboard?
Hello Sajic :-) Sounds like a cool project. I think you may not be getting much of a response because we do not have enough information to go on. Basically. there is no such thing as a 3V resistor. In the keyboard. there is probably a 5V power supply. or an LED(light emitting diode) that requires a 2V drop giving 3V left over. but a resistor really does not have a voltage rating on it except to change the amount of current in a circuit to properly operate an LED lamp. Now saying that. you are making a lamp. what kind of light bulb is it? LED? or incandescent bulb? What is your source of power? Is it the PS2 or USB connection from the keyboard? There are many many values of resistors. Certainly there will be axial or surface mount resistors in the keyboard. but you do not know what value they may be unless you can read the resistor values. Some resistors are so small you may not even be able to tell what it is. If you have a 5 volt power source (USB or battery). and you want to light up a typical LED lamp. you probably want about 20ma of current flowing to light up the LED. If the LED drops 2 volts. then 3volts is the potential across the resistor (5 - 2). 3v/20ma = 150 Ohm resistor. If you can not find one. you could probably buy one cheap. Will the resistor be in the keyboard? Probably. but will it be the proper value or something you can recognize I am not sure. Hope this helps, Jeff