I want to disassemble the computer, but I don t know where to start

There is sound but the screen is not lit, it may be that the display cable behind your case is loose (the one with the blue head)**Explanation is not, but it can be in the following order.

1. Remove all the lines behind the chassis, remember the location, if you can't remember, label or take a picture**.

2. Find the cross and remove the 2 4 screws at the back.

3. Pull back the side plates on the left and right sides to remove the visible inside of the machine.

4. Don't move the rest, lest you dismantle it and not go back.

5. Find a hair dryer with super power (cold air gear), of course, you can also have a blower in the computer city.

6. Move to the staircase or balcony together and plug in the hair dryer.

7. And then...

Turn off and unplug the power.

Unplug some of the cables on the console so that the chassis can be opened.

Open the case, unplug the graphics card, and clean it up with a soft-bristled brush. By the way, you can clean up the dust from other parts.

After that, install them all and plug in the data cable ports in turn. Plug it in and turn it on.

If you are afraid of installing the wrong parts or missing them, you can take the simplest and most effective method: take pictures first, and then disassemble the machine.

Many of the chassis of brand machines are buckled with buttons, and it is really difficult to know the location. Take a closer look at it yourself when no one is directing.

From the front, there is a big screw on the right back, unscrew it, remove the side panel, and then there is a big card (independent graphics card) under the body, there are screws on the back side of the body, unscrew it, and then unplug the big card and clean it up.

Your is a business model of HP, but the model you gave is too general, specifically the model of DX2355, it may still be an integrated graphics card, then you can't find a separate graphics card.

Like you said, there are many kinds of this, if there is nothing on the screen, it may be that the data cable connection is not good, you can reseat it and try again, and there may be only a small cursor in the upper left corner of the screen, it may be that the hard disk connection is not good, etc.

Here are some simple ways to deal with it, I hope it will be useful to you.

If you have a hair dryer, you will blow it vigorously.

Even the machine can't be disassembled, it's better not to do it yourself, find an expert, 50 yuan can be done.

The tools that need to be prepared are, screwdrivers, needle-nose pliers, tweezers, cable ties. Refer to the following below:

1.First, unplug all the cables behind the console, then unscrew the two large screws next to the console to open the back cover of the chassis.

2.Disassemble the memory, forcefully remove the locks at both ends of the memory stick, and forcefully pull the memory stick upwards.

3.Remove the hard disk, remove the two wires on the hard disk, and tighten and fix the hard disk.

4.Disassemble the graphics card, unplug the card lock in the lower right corner, unscrew the screws, and force it up to take it out.

5.Disassemble the CPU, as shown in the picture is the CPU fan, we unscrew a few corners of the fixed fan, remove the fan, and we will see our CPU, if you install it back, you must tighten the fan.

6.Open the optical drive, pull out both ends of the optical drive, and the screws will be able to open the optical drive downward.

7.Remove the power supply, unscrew all the screws to secure the power supply, and take out a large number of wiring.

8.Disassemble the motherboard, that is, the large board that undertakes the hardware above, unscrew its screws, and remove the motherboard from the chassis.

9.Finally, assemble the computer, cover the case cover, plug in all the cable headers, and you're good to go, detailed case wiring.

The steps to disassemble and assemble the computer are as follows (when operating, let go of the static electricity on your hands):

Step 1: First unplug all the wiring behind the main unit, and then unscrew the two large screws next to it to open the back cover of the case.

Step 2: Disassemble the memory, forcefully remove the locks at both ends of the memory module, and pull out the memory module upward.

Step 3: Disassemble the hard disk, unplug the two cables of the hard disk, and unscrew the screws that hold the hard disk.

Step 4: Disassemble the graphics card, unplug the card lock in the lower right corner, unscrew the screws, and take it out with force.

Step 5: Disassemble the processor, we unscrew a few corners of the fixed fan, remove the fan and see our processor, if you install it back, you must tighten the fan.

Step 6: Disassemble the optical drive, unplug the two wires of the optical drive, and unscrew it to remove the optical drive.

Step 7: Disassemble the power supply, unscrew all the screws that hold the power supply, and take it out with the large pile of wiring.

Step 8: Disassemble the motherboard, which is the largest printed circuit board inside the host, and unscrew it to remove the motherboard from the chassis.

Step 9: Finally, we will assemble the computer according to the above method, cover the case cover, and plug in all the cables.

One: Remove the battery first.

2: There are four screws under the battery, remove the four screws (2 and 3 in the figure below), there are two small covers on the back side of the connection between the display screen and the machine, open the small covers of the screws on both sides of the hinge, and put the screws down (1 in the figure below).

Three: 1Put the screen back, 2Remove the lid of one of the speaker bezels upwards.

Four: There are three screws in the picture to fix the keyboard, remove the three screws.

Five: The following figure shows the method of removing the keyboard, (1) push the keyboard forward, (2) put the keyboard up to take it, and you can see the slot of the memory below.

6: Figure (1) is the interface of the keyboard cable, and (2) is the soft cable between the keyboard and the motherboard.

How to disassemble the computer:

1. Flip the computer over first, find the location of the hardware and remove the hardware. Remove the battery again (to reduce weight), find a place to put the memory module, and remove the memory module. Next, turn the computer over, find a hard card, and slide firmly over the edge of the keyboard to pry the edge of the keyboard out.

Next, you can remove the keyboard and carefully remove the cable end from the motherboard! In this way, the basic dismantling is not much more than the end of the bench rental.

2. The next thing is to dismantle the jujube judgment motherboard, find a place with a hair dryer and remove it, and the CPU is under it! There will be a lot of dust in this area due to blowing around, so be careful to clean it! There's a little curved thing with leads on the motherboard, and that's the driver battery (the motherboard).

The board that connects the headphones is the sound card, and there is a lithium battery-sized thing near the network cable port, which is the network card. The graphics card is the board that is connected to the screen. These wiring parts can be replaced, and they can be easily replaced when they are broken in the future!

3. There are generally two graphics cards on the computer, one on the motherboard and one independent! Just be careful when cleaning.

Summary. The computer disassembly method is the laptop disassembly method to remove the cover plate. First of all, take off the battery, and the two most important covers are the memory wireless cover and the hard disk cover.

Each cover is fastened with two screws, and the cover is removed directly after unscrewing. After the cool cover plate is removed, the wireless card underneath. Memory, hard disk get down.

Unscrew the optical drive screws, pull out the optical drive, and then unscrew all the screws on the back to remove the keyboard. After all the screws on the back of the notebook are unscrewed, the fixtures of the keyboard have been loosened, and the keyboard is directly turned over, the keyboard cable is removed, the keyboard is removed, and the C shell is removed. The shell under the keyboard is called the C shell dismantling motherboard.

The computer disassembly method is the laptop disassembly method to remove the cover plate. Da Seep first takes off the battery, and the two main covers behind are the memory wireless cover and the hard disk cover. Each cover is fastened with two screws, and the cover is removed directly after unscrewing.

After the cool cover plate is removed, the wireless card underneath. Roll the old spine and get the hard disk down. Unscrew the optical drive screws, pull out the optical drive, and then unscrew all the screws on the back to remove the keyboard.

After all the screws on the back of the notebook are unscrewed, the fixtures of the keyboard have been loosened, and the keyboard is directly turned over, the keyboard cable is removed, the keyboard is removed, and the C shell is removed. The shell with the eggplant surface under the keyboard is called the C-shell motherboard.

The method of disassembling the desktop is to remove the static electricity on the handle, open the case case, there are two screws in the back, and remove it. Then open the case in the direction given by the case. (Note:.)

The movements must be light. Unplug the cables connecting the various parts of the motherboard, the action must be light, remove the hard disk, optical drive, etc., parts, unscrew all the screws of the blind board, and then take out the motherboard lightly, put it in a stable place, note: keep the disassembled screws, do not discard them at will, before disassembling the computer, be sure to unplug all the equipment cables outside the host that is empty.

**Very blurry and not clear.

Remove the motherboard.

The desktop machine dismantles the main cluster and the rest of the board to talk about the tutorial depending on the link to Zheng and the frequency.

Laptop disassembly method:

1.Remove the battery first.

Before disassembling the device, first remove the battery, and then press and hold the power button to release the residual power in the motherboard chip.

2.Wipe your hands clean with a toll.

3.Use an anti-static cloth.

Spread an anti-static cloth on the workbench, and it is best to wear anti-static gloves on your hands, which can prevent static electricity from causing electric shock to the motherboard chip or capacitor.

4.Prepare a clean bowl or box.

A clean small bowl or small box is used to store screws, because there are a lot of small screws on the laptop, which are placed in a small bowl or small box after removal to prevent loss. It is best to take a few small bowls or small boxes to sort the removed screws, so that it is easier to know which screw is in which position when installing the machine.

5.Be sure to use ingenuity in the disassembly process.

Nowadays, many notebooks are not completely fixed with screws, and some places are directly stuck together, so be sure to use dexterity to prevent the card head from breaking.

6.Small brushes and blow-dryers.

Be sure to prepare a small brush and a blow dryer, because these two are indispensable and irreplaceable tools in the cleaning process, use a small brush to clean the motherboard and fan, be sure to brush gently, be careful with some small chips, and use a punching bag to clean out the dust in the gaps.

There will be a lot of tools for disassembling notebooks on the Internet, you can choose by yourself, the tools actually used in the disassembly of notebooks do not need to be too complicated and professional, buy ordinary screwdrivers with holster magnetized bits in the electronic market, a large and a small cross, a small flat mouth, a pair of tweezers, less notebooks need a socket screwdriver with hexagons, and a set of hexagonal screwdrivers, specifications T4-T10. These tools can meet 99% of notebook disassembly, and in addition, the removal tool itself needs to be replaced frequently because of wear and tear during use. The cost of buying professional tools is too high to be recommended, most of these professional tools are purchased by production plants, and the cutter head is replaced in 1 week to 1 month.

A Phillips screwdriver can unload a computer in eight pieces.

A small Phillips screwdriver (preferably magnetic), a small plastic crowbar, and everything else is optional.

You can take a look at my disassembly diagram.

A Phillips screwdriver. Get.