What does it mean that someone put a USB flash drive on the doorknob of my house?

This problem can be caused by a variety of reasons, and here are some possible explanations:

1.Pranks: Some people may put a USB flash drive on your security doorknob for fun or prank. This behavior may be because they find it fun to do so, or just to give you a small surprise.

2.Neighbor's kindness: If your neighbor knows you may need help with something, such as repairing or installing software, they may place a USB stick on your security doorknob with information about the help they can provide or a solution to the problem.

3.Misplaced: Sometimes people can put things in the wrong place, such as putting a USB stick on the wrong doorknob.

4.Scam information: Some people may use storage devices such as USB flash drives to spread scam messages in order to defraud you of your personal information or financial assets. So, be cautious if you open any file or link in a USB flash drive.

The best course of action is to consider the most likely scenario, such as a neighbor's kindness or prank, and then talk to your neighbors and ask if they know anything about it. If you're not sure about the true intentions of the USB stick, it's best not to open it and throw it away or give it to your local police station for further investigation.

Do you have something in someone else's hands?

You can use the computer to open it to see, if it is ** and other extortion content, you can choose to call the police.

Just find a locksmith or fix it yourself

Steps to do it yourself:

First: ordinary dead handle, tools are required, screwdriver (clubs and slots) vice, adjustable wrench, small hammer. First of all, take off the handle, the first step is to see a coin-sized screw cap to remove it, and there is a spacer below to remove it at the same time, the second step is to knock the spacer flat with a small hammer, and at the same time knock the handle to the position of the gasket flat (the purpose is to make the gasket and the handle paste seamlessly) and finally tighten the screw OK (pay attention to whether to open the door or open the door right, don't reverse the direction of the handle when you go up).

Second: It is recommended to ask the manufacturer to repair: a handle with a quick lock (that is, a movable handle that is locked when the handle is lifted on the door) requires tools plum blossoms and a flathead screwdriver.

Small hammer. Step 1: When taking it off, pay attention to the springs and latches inside the inner and outer handles, which are easy to fall into the door, and the second one

You can see that there is a "clip" at the junction of the handle and the handle, and there is a gasket under it, and you can observe the degree of wear between the clip and the gasket and the handle, and how big the gap is. Use a flathead screwdriver to peel off the clip, and finally use a small hammer to crack the gap in the handle a little bit, or add a spacer.

I've had the same problem, I can fix it by finding a lockpicker, and it's cheap!

Find a lock-picking one and you can fix it.

It depends on what kind of handle you have.

My house's security door locks.

Bai is also this lock, du

The manufacturer seems to call it "double live lock", which means that the door does not need a key, and the door can be locked with a special handle on the outside, which is very convenient. Of course, it is not usually possible to lock all the lock points with an outside doorknob, if you want to be more secure, you can lock all the lock points again with a key outside.

When opening the door from the outside, it is the same as any other door lock, and you must use a key. After locking from the outside, the handle on the inside of the door can be opened at any time. There is also a door plug inside, which cannot be opened with a key, and can only be opened with the handle inside.

This kind of copy is called a double quick lock, and the door can be locked by lifting the handle inside and out. The best point is convenience.

This kind of lock dao body for convenience, even if you use the key to lock 2 times, in the inside of a press of the handle will open the door 2 times will be retracted, if there is a thief to remove your cat's eye with a hook hook hook inside the handle will directly open the door, without a double fast function of the hook handle can only open the top small tongue.

The more features, the easier it is to break.

This kind of lock is not safe, it can be opened with a cat's eye, and it can be equipped with a cat's eye to prevent theft.

My house is also this kind of security door, the handle is on the insurance, open the same as the key outside, the specific principle is unknown.

When you say move up, you lock the door, so you need to use the key to open the door again.

This kind of door is in the company, and I don't feel very good about this kind of door.

The lock body is misaligned, lift it and twist it to try back and forth, don't lift it in the future, use the key.

How to distinguish it:

Left inner door: the person stands outside the door and pushes inward, and the rotation of the door shaft is on the left side of the door;

Right inner door: the person stands outside the door and pushes inward, and the rotation of the door shaft is on the right side of the door;

Door opening on the left side: the person stands outside the door and pulls outward, and the rotation of the door shaft is on the left side of the door;

Door opening on the right: The person stands outside the door and pulls outward, and the rotation of the door shaft is on the right side of the door.

Distinguishing criteria: Based on the side facing the person and the patch cord is directly above, the clutch sleeve (which can be rotated and has a marked dot) is on the left side of the deadbolt for the left lock body. Based on the human-facing side and the patch cord is directly above, the clutch sleeve (which can be rotated and has a marked dot) is on the right side of the deadbolt for the right lock body.

Hello Chongqing Changhang anti-theft door for you to answer If you are standing outside the door facing the door with the handle on the right, open inside, it is "inside the left open" but it is best to define it as "inside the right lock" to think that the statement is not the same It is easy to make mistakes, so it is best to say (defined as people standing outside the door, right "inside the lock on the right") will not be wrong, Chongqing Changhang anti-theft door.

Upstairs is right, choose upstairs.

1, the anti-theft door to prevent thieves, really to back your home that there is no way, theft is also a small probability event, or more than the window. 2. Find the street police station, there is a designated lock repair.

Panpan security door is good-looking and impractical, and it can't withstand the random inspection of thieves.

1. How to replace the broken door handle of the anti-theft door.

1. First remove the old doorknob, the anti-theft door doorknob is removed from the room, because the two screws that fix the handle are inside, as long as the screws are removed.

2. It is very simple to disassemble, open the door first, then press the outside with four fingers, press the inside with your thumb (you can also let someone help you press this outside), and remove the screws with a screwdriver.

3. After the screws are removed, slowly take out the handle, and then use the open pliers to open the snap ring on the handle, take out the handle, and be sure to pay attention to safety when doing this step, and not to take it slowly.

4. Plug in the new handle, card the snap ring, this time is basically completed, the remaining steps are to install it on the door, and install the handle in the original position.

5. Be patient when installing, because there is a screw sleeve on the outside handle, the screws must be on to install it, and it is firmly installed.

Second, the installation steps of the anti-theft door handle.

1. Open the door so that you can operate both the internal and external door handles at the same time. Locate the two screws on the inside doorknob cover, which are the inner and outer door handles that are secured together.

2. Use a Phillips head screwdriver to pull the inner door handle away from the door and the outer door handle away from the door.

3. Fix the outer edge of the bolt plate door and remove the two screws with a Phillips-head screwdriver.

4. Insert into the inner door handle of the door, use two fixing screws from the inside of the door, along the hole in the cover plate, turn the screw thread in a clockwise direction to the outer door to pull the glove, tighten the screw, and finally tighten it with a Phillips screwdriver.

5. On the curved side of the door frame that bends around the inside of the door frame, fix the impact plate and the screws included with the kit.

Summary: The above is the introduction of how to replace the broken anti-theft doorknob and the installation steps of the anti-theft doorknob, everyone should have a more comprehensive understanding of how to replace the broken anti-theft doorknob. Therefore, if you can't find the help of the master, you can also try to use the above methods to replace and install the broken or damaged anti-theft door handle.

I've gone to buy one and found a worker to load it.

Installation points:1The installation of the anti-theft door should be in accordance with the type of anti-theft door adopted, adopt the appropriate installation method.

2.The door frame of the anti-theft door can be fixed with the wall by expansion bolts, or the iron parts can be embedded at the hole when the wall is built, and the door frame connector can be welded firmly during installation.

3.Regardless of the connection method between the door frame and the wall, there should be no less than 3 anchorage points on each side, and they should be firmly connected.

4.When installing the anti-theft door, it should be straightened and hung first, and it should be temporarily fixed after the size is appropriate, and corrected and adjusted, and the connection and anchorage can be carried out only after the error.

5.It is required that the sliding door is flexible after installation; The swing door is easy to open, close tightly and firmly, and there is no self-opening and self-closing.

6.Anti-theft devices should be installed between the door frame and the door leaf or other parts.

7.The hardware accessories such as handles, door locks, and observation holes on the anti-theft door must be complete; The combination lock, electronic alarm password system, doorbell paging and other devices on the multi-functional anti-theft door must be effectively improved.

8.It is required that the gap with the ground plane should not be greater than 5mm.

I am a security door, like yours can reflect the quality of your security door lock, the material of the handle of the security door lock should not be brittle, it seems that this handle of yours is cast iron.

When we install locks for customers, we generally ask customers what grade of locks they want. **Generally between 60 and 200. I suggest that you buy one yourself and find a worker to install it, because you can only buy good things if you pay for them yourself.

Change a pair of handles, if you want to buy ***, the handle will not break, you can take a look at the ** buy Jiabao anti-pry handle, about 200 more, the handle is alloy, it is impossible to break, unless you take a cutter to cut.

Either you are used to using a key to open the door, or you can use your ingenuity to bind it with something else instead, and then you can change the lock and change the accessories