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Lost signal on mouse keyboard - Medion Computers & Internet

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Wires of keyboards and mouse are very thin and very sensitive, and are subject to easy wear and tear. Just replaced it with a good quality brand the next time around.

Posted on Sep 13, 2010


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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At boot up, go into bios setup and ensure that the USB Keyboard/Mouse is set to enable


Posted on Oct 09, 2009

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SOURCE: My monitor lost signal and

"My monitor lost signal and mouse and keyboard lost signal as well."

That would be because the computer isn't working.

No Signal on the monitor means it isn't receiving a video signal.

At first diagnoses one would check the monitor cable to see if it is good. Due to your added statement that the mouse, and keyboard have no signal, it definitely means the computer isn't working.

(The monitor cable would be removed, and installed on a known to be working computer, and monitor to test it)

You may see LED lights light, and perhaps fans spin, but the Processor isn't turning on.
Not enough power, or the computer is dirty inside.
(Or a combination of both; Read on)

The hardware components inside the computer are cooled by air.
{ Hardware component examples such as the Processor, Ram Memory, motherboard, graphics card, (IF installed), etc.}

This support page on HP Support, shows how to open the computer case ,of an HP pavilion p6653w desktop computer,

I would like you to have this information of how to open your computer case, but would also like you to view the 6th photo down, showing the side panel of the computer case removed.

Not a very large photo of the inside of your computer, but helps me explain.

At the bottom is a black plastic Fan assembly.
This is the Processor fan.
The fan sits on a finned Heatsink, and the Heatsink sits on the top of the Processor's case.

The Fan and Heatsink are the cooling components for your desktop computer.
They need to be clean, as well as the entire inside of the computer, but more attention needs to be paid to these two components.

When a Processor overheats it turns off. (BIOS turns it off)
This is a fail safe feature designed to keep the Processor from burning up.
(A Processor has a Thermal Limit)

No Processor operating, No computer.

This Fan/Heatsink combo is similar to the design in your computer,

Note the fan blades, and square surrounding cage. (Shroud)
The fan blades, center hub, and surrounding cage must be kept clean.

Note the aluminum looking finned square object under the fan assembly.
This is the Heatsink.
(Left-click on the photo, then in the small window that comes up, hover your mouse cursor over the different views)

The Heatsink is essentially a flat plate of metal with tall, thin fins protruding from it.
The plate of metal absorbs heat from whatever object it is placed against, (In this case a Processor), and the tall, thin fins absorb heat from the plate of metal.

The fins then radiate the heat away. The fan pushes air in-between the fins, and around the fins, and helps to carry heat away.

In-between the fins, and on the outside of the fins, needs to be clean.

A) Computer unplugged from power. Open the computer case on a table.
It is now time to observe Anti-Static Precautions BEFORE reaching inside your computer.

Anti-Static Precautions:
Your body carries Static electricity. Static WILL fry out (Short Circuit) the delicate hardware components inside a computer.

Computer case open, computer unplugged from power, TOUCH an unpainted surface of the metal frame, of the open computer case.
This action will relieve your body of Static.

If you leave your computer in the middle of working on it, be SURE to touch the metal frame again upon your return.

Buy two cans of compressed air for computers. Break the lock tab off of the top of one can, insert the plastic straw provided.

Refrain from tilting the can of air. It will happen, but try to refrain from letting it.
(The propellant comes out, and the can freezes up faster)

I would suggest starting with a few Q-tips on the fans blades, center hub, and shroud.
You aren't trying to wipe the 'Gunk' off, just disturb the 'crust'.
Once the outer 'crust' is disturbed, the air will remove it easier.

{You may wish to wear a dust mask}

Use the straw, and point it at the Heatsink fins. Move in a pattern as you clean.
Suggest now to start at the top left inside corner of the computer case, and spray air to the right top corner. (Inside)

When you start hold the can level, and squeeze the trigger in all the way. As you reach the end of the other side, let go of the trigger.
Move down a couple of inches, spray across again. Keep going until you reach the bottom of the computer case. Spray as a professional paint sprayer would.

Tilt the case top forward towards you, and spray the bottom out.
Close the computer case, plug the computer back into power.
WAIT 2 minutes, turn the computer on.

{As you spray air you will notice along the way that the air pressure drops. The nozzle opening of the can of air is freezing shut. Sit the can down, let it warm up. Use the second can of air }

If this doesn't solve the problem, the problem is a bad Power Supply.
Enough power to turn on LED lights, and maybe spin fans, but not enough to turn the Processor on.

1) If all of the LED lights were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use 51 to 125 Watts of power. Depends on what Processor it is.
(Older processors such as a Pentium III for example, use less than 51 Watts)

The AMD Athlon II X2 250 processor in your computer can use up to 65 Watts.

You can replace the Power Supply yourself, and save money.
I can guide you on here, and give you links to detailed information.
I can also recommend a Power Supply with the thought in mind, of the 'Best bang for the Buck'
Reliable, and yet economical.

(One such example of how to replace a Power Supply, in an HP Pavilion p6653w,

For additional questions please post in a Comment.
(Believe upper right of your page. Our site is revamping all the time)


Posted on Jul 18, 2011

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1 Answer

Lost M215 wireless mouse dongle, how to about it?


Without the dongle, the mouse cannot communicate with the computer. Only logitech produce a dongle with the correct signal to connect to the mouse.

So either order a replacement dongle from logitech or buy a 2nd identical cordless mouse set and keep one mouse as a spare, in case the first one is dropped, becomes faulty or gets lost or temporarily mislaid.

I hope this helps.

Aug 28, 2011 | Logitech Cordless Mouse

1 Answer

Keyboard does not type

If all the keys on the keyboard have stopped functioning follow the instructions below to reconnect the keyboard.

This problem is likely to be a lost connection. The connection between the mouse and the USB mini-receiver or the keyboard and the USB mini-receiver can be lost due to several reasons such as:
  • Low batteries
  • Moving the USB mini-receiver from one USB port to another
  • Moving the USB mini-receiver to another computer
  • Plugging the USB mini-receiver into a USB hub or other unsupported device such as a KVM switch (your USB mini-receiver must be plugged directly into your computer)
  • Using your cordless mouse/keyboard on metal surfaces
  • Radio frequency (RF) interference of more powerful wireless devices such as:
    • Wireless speakers
    • Computer power supplies
    • Monitors
    • Cellular telephones
    • Garage door openers
Eliminate any problem sources mentioned above that might be affecting your devices.

Follow the procedures below to reconnect your mouse and keyboard.
  1. Make sure the USB mini-receiver is directly and securely plugged into a working USB port on your computer.
  2. Make sure the mouse is turned on. The on/off indicator on the bottom of the mouse should be green. If the on/off indicator is not illuminated, press and hold the red connect button on the bottom of the mouse until the on/off indicator is green.
    On / Off Indicator
  3. Press and release the red connect button on the underside of the USB mini-receiver. This will broadcast a signal to your mouse. This broadcast will last only a few seconds, so you must perform the next step quickly.
    Red Connect Button
  4. Quickly press the red connect button on the bottom of the mouse for 1 second, then release it. The power indicator will flash briefly and then turn green. The mouse is now connected to the receiver.
    Red Connect Button NOTE: Holding down the red button on the mouse for more than 2 seconds may cause your mouse to turn off instead of connecting. If this occurs, start again at step number 2.
  5. Move your mouse to see if the cursor moves. If the cursor follows the mouse movements, your mouse is now connected.
  6. Press and release the red connect button on the underside of the USB mini-receiver. This will broadcast a signal to your keyboard. This broadcast will last only a few seconds, so you must perform the next step quickly.
    Red Connect Button
  7. Quickly press and release the red connect button on the underside of the keyboard.
    Keyboard Connect Button
  8. You will hear a short beep. The keyboard is now connected to the receiver.
  9. Test your keyboard to see if it is working. If the mouse now works but the keyboard still does not, see Knowledge Base article 9144.

Dec 14, 2010 | Logitech Cordless Desktop MX3200 Laser...

1 Answer

Can't get keyboard to work. Mouse works fine. Replaced batteries in keyboard and tried to reconnect as I did with the mouse. No luck

You say that the battery is ok. Please be sure that the battery is new and placed in the right way.
After plugging the remote box to the PC you must sync the keyboard and the mouse.
The range may be problem. If you keep the keyboard more one or two meters away from the remote, the signal is lost. And if you put the cell phone next to the keyboard or mouse, it may interfere with them. It also may interfere with wireless phone, radio or television signals.
If it continues not to work, you can ask for the new one.
Hope it works.

Mar 24, 2010 | Logitech Cordless Desktop Optical...

1 Answer

Bought a logitech lazer wireless mouse from Dell just shy of 6 months ago. Mouse just lost its power a moment ago. How can I fix? Or can it be fixed?

Try changing the batteries, then press the connect button on the receiver, then press the connect button on the mouse to pickup the signal from the receiver.

Jan 09, 2010 | Logitech Wireless MX700 Cordless USB...

1 Answer

How to fix a logitech wireless mouse blinking red and green

Hi have you read the manual perhaps , This could be a indication the battery is low , or it has lost signal.
Good luck

Dec 29, 2009 | Logitech MX Revolution Wireless Laser...

2 Answers

Explain wireless keyboard wireless mouse

You just plug the usb adapter for the wireless keyboard and mouse into the computer and run the install disk. Wireless just means that the device sends signals to the recieving devices.

Jun 16, 2009 | Dell Wireless Keyboard Optical Mouse w0147

1 Answer

Lost signal on Microsoft 4000 wireless keyboard & mouse

you have a resset onder the mousse, change the battery , and reinstall the driver

Dec 31, 2008 | Microsoft Natural Ergonomic 4000

1 Answer

How do i initialise the mouse and keyboard to the signal receiver

hi! dharvey194,

welcome to Fixya,

restarting your PC can correct this problem or just wait for a while for your system to detect it. if you have encounter another problem, feel free to post another comments.

please take your time at Fixya and rate me accordingly.

God Bless.

Dec 02, 2008 | Computers & Internet

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