How do I upgrade my computer, the motherboard is broken!

Of course, the 5200 graphics card is much better than the 440, your configuration is too low, even if you change a 9550, it's not better**Go, if you want to play the game a little smoother, the best way is to take your plus 10-20 yuan to change a Schandragon 3000+ back, and then change to a 754-pin motherboard, to ensure that the game is much smoother, I exchanged it with people some time ago.

Don't upgrade again, you can only buy second-hand ones for what you said, and the motherboard of the Gigabyte 845 that the maintenance boss gave you is also old, I don't know how many hands, sell the machine in your hand, and replace it with a new one, otherwise you will find that you have upgraded the money for a new machine.

gf5200?It's really a little behind.,The memory is quite large.,It's just that the graphics card is too rubbish.,The display effect is low and can't play the effect of that memory.,Change the 8800gt of the Shadow Run,It's more than 300,The speed will be a lot。

5200 is not as good as MX440, but 5200 just supports card high-frequency 9550 is good, about 100 **.

Shadowrun 8800GT....6800, right?

A 6200A DDR2 256 64 or 9800 5600 will do the trick.

Upstairs, do you think the 8800 has an AGP interface?

Your machine is probably from years ago, it's time to change. Buy a GF6600.

First, the motherboard is broken, and capable maintenance personnel can naturally repair the motherboard. Except, of course, simple failures.

Second, the motherboard is broken, and for the general computer maintenance personnel, the only way is to replace the motherboard. Of course, to replace the motherboard, you can choose the same or replaceable motherboard according to the model of the bad motherboard.

3. For the replacement of the motherboard, you can choose the second-hand and the new motherboard, generally the motherboard is broken because the old computer comes out more, then try to replace the second-hand motherboard. It is estimated that the motherboard of more than ten years ago is also difficult to buy a new motherboard now. Motherboards in recent years, naturally, you can also buy new motherboards.

Fourth, if the motherboard is still under warranty, naturally don't repair it, and return it directly for a new one.

Motherboard damage is mainly due to the following reasons, which should be addressed to the cause:

There is no display when powered on.

Solution: If the computer has no display failure when booting up, it is most likely that the motherboard BIOS data is lost or damaged. And what we have to do is to clear the BIOS, the most common method is to clear the BIOS through the motherboard jumper.

Frequent crashes with blue screen.

In this case, it is likely that there is a problem with the motherboard, CPU, or graphics card. This type of failure is generally caused by poor heat dissipation of the motherboard.

Solution: If you are overclocked, you should reduce the frequency, and if you are overclocked, you should cool down.

Measures to avoid damage to the motherboard:

Perform manual backups of important registry files on a regular basis to avoid irreparable errors caused by system errors that fail to be replaced with backup files in time.

Try to avoid abnormal shutdown and reduce the loss of important files. As. vxd .dll files, etc.

For ordinary users, as long as it can run normally, there is no need to upgrade the BIOS and drivers of the graphics card and motherboard to avoid the harm caused by the upgrade.

Reduce the installation of unwanted software, and try not to manually uninstall or delete programs to reduce the occurrence of illegal replacement files and file pointing errors.

If it is not a particularly large memory and its hypervisor is very good, try to avoid running large programs at the same time, if you find that there is a sound of sand and sharla when listening to ***, you can basically determine that the fault is caused by insufficient memory.

If it's a new motherboard, you can send it for repair; If the motherboard is old, just replace it with a new one, there is no value in repairing.

It can be repaired, but it is recommended that you consult the after-sales first, and then consider repairing, what brand of motherboard do you have.

The first thing to remind users is that dust is one of the biggest enemies of motherboards, and it's best for everyone to pay attention to it. Last time, a customer took a motherboard, said that it was not bright, we could not check the problem, and then with trichloroethane (good volatility, is one of the liquids to clean the motherboard) after cleaning, the "strange disease" disappeared completely. In order to ensure that "strange diseases" do not appear, it is best to pay attention to dust.

In addition, when the power suddenly fails, the computer must be turned off immediately, so as not to burn the motherboard and power supply due to the sudden call, and we have encountered several accidents similar to this matter recently. Okay, without further ado, let me talk about the analysis process.

1. Visual: When you get a faulty motherboard, scan it with your eyes to see if there are no traces of burnout, and whether the appearance is damaged, which is the scope of our inspection.

2. Oscilloscope: Use the oscilloscope to measure the power supply of each component of the motherboard. One is to detect whether the motherboard supplies power to this part, and the other is whether the voltage of the power supply is normal.

3. Quartz oscillator:

Its function is to synchronize the operation of all parts of the motherboard, just like the system works at 133 external frequency, the frequency of all hardware will rise or fall accordingly, IO is generally 8M, PCI equipment is 33M, if there is a discrepancy, it means that the quartz oscillator should be updated.

4. BIOS: Rewrite BIOS. Because the BIOS cannot be measured by instruments, it exists in the form of software, in order to rule out all possibilities.

The reason for the problem with the motherboard, it is best to flash the motherboard BIOS.

5. Energizing: It cannot be energized before that, in case the components have not been completely burned out, and the result is a power-on. With the above problems ruled out, we can finally power it on, and then find out where the problem is.

6. System bus:

For example, whether there is a problem with the components of ISA, PCI, AGP. The slot of some cards is the power supply in the front section, the middle is to transmit data inward, and the latter section is the output, so the division of labor is different in the performance of electrical appliances will also be different, generally they are a few euros apart is fine, but if the difference is more than ten euros, I am afraid it is time to change the new.

7. Control signal line: The control signal line includes the signal transmission line of each part of the line on the motherboard, if you judge from the signal waveform of the oscilloscope, most of the above methods can be done, then you can proceed to the next step. Of course, this part is not something that most of us can understand, and it needs to be solved by experienced engineers.

If it still doesn't work, then it's time for us to "consult", hehe.

8. Elimination method: determine the scope of the error and eliminate it. Generally, crashes are more difficult to deal with.

Generally, common faults, as long as they do not involve the south bridge and the north bridge, can be basically repaired, and the price may be around 70 yuan.

Manifestations of motherboard damage.

1. Motherboard capacitor burst is the most common motherboard failure, the fault phenomenon is that the computer restarts from time to time, the system is unstable, because it is a power supply module, so if the capacitor drum is too much, it may be unresponsive to boot or no display of fan to display.

2. If the motherboard chip is damaged, it means that there is no response when booting or all fans are rotating, and the display is not responding. In addition, if it can be turned on, it does not necessarily mean that the hardware is fine.

Causes of motherboard damage.

1. Man-made fault: live plugging and dialing of the IO card, as well as improper force when installing the board card and plug, causing damage to the interface and chip.

2. Poor environment: static electricity often causes the chips on the motherboard (especially the CMOS chip) to be broken down. In addition, when the motherboard encounters power supply damage or spikes in the grid voltage, it often damages the chips near the power plug of the system board.

If the motherboard is covered with dust, it can also cause a short circuit in the signal, etc.

Motherboard repair method.

Ways to view.

1. Observation method: whether there is burning, burning, blistering, broken line on the plate surface, rust and water ingress at the socket, etc.

2. Gauge method: whether the +5V and GND resistance is too small (below 50 ohms).

3. Power-on inspection: For the board that has been clearly broken, you can slightly adjust the voltage 0 5 1V, and use the IC on the washboard by hand to heat up the chip in question after starting, so as to perceive it.

4. Logic pen inspection: check the presence and strength of the signal at each end of the IC input, output and control pole that are suspected of key doubts.

5. Identify the major work areas: most boards have a clear division of labor in the region, such as: control area (CPU), clock area (crystal oscillator) (frequency division), background picture area, action area (people, aircraft), sound generation synthesis area, etc.

This is important for in-depth repairs of computer motherboards.

How to troubleshoot.

1. The suspect chip, according to the instructions of the manual, first check whether there is a signal (waveform) at the input and output terminals, if there is no entry or exit, and then check whether the control signal (clock) of the IC is present, if there is, the possibility of this IC is very bad, no control signal, trace it to the previous pole, until the damaged IC is found.

2. Do not take it off from the pole for the time being, you can choose the same model. Or the IC with the same program content is on it, and the power on is observed to see if it is better to confirm whether the IC is damaged.

3. Use tangent and jumper methods to find a short route: if you find a short circuit between the existing signal line and the ground wire, +5V or other ICs that should not be connected, you can cut off the line and measure it again to determine whether it is an IC problem or a board surface routing problem, or borrow signals from other ICs to weld to the IC with the wrong waveform to see if the phenomenon picture is getting better, and judge the quality of the IC.

4. Comparison method: find a good computer board with the same content and measure the pins and numbers of the corresponding IC to confirm whether the IC is damaged.

5. Test the IC with ICTetest software in the microcomputer universal programmer (ALL 03 07) (EXPRO 80 100, etc.).

Method of disassembly.

1. Foot cutting method: it does not hurt the board and cannot be recycled.

2. Tin drag method: solder full of tin on both sides of the IC pin, using high temperature.

The following conditions occur on the motherboard of a computer, which may be broken

1. The simplest, visual inspection, if the components on the motherboard are burned, that's it.

2. Debug the motherboard error detection card, if the motherboard can still be powered on, judge according to the prompt of the error detection card.

3. Use a professional oscilloscope to judge, this is probably not what we and other amateurs can do, and we use a multimeter to measure whether there is voltage and current.

4. After installing the motherboard driver under Windows, there is a crash or the optical drive reading speed slows down This phenomenon sometimes occurs on some miscellaneous motherboards, after installing the motherboard driver, restarting the computer can not enter the Windows 98 desktop in normal mode, and the driver cannot be uninstalled under Windows 98.

5. The mouse is not available when installing Windows or starting Windows.

6. The computer crashes frequently, and there will be a crash phenomenon when setting the CMOS 7. The failure of the motherboard COM port or parallel port and IDE port The failure of such faults is generally caused by the user's live plugging and unplugging related hardware, at this time, the user can replace it with a multi-function card, but before replacing it, the COM port and parallel port on the motherboard must be prohibited (some motherboards even the IDE port must be prohibited to be used normally).

If the motherboard is broken, you can directly replace it with a new one, and of course you can repair and replace the motherboard.

You don't want to tell the 4S shop that it was struck by lightning, just say that it is broken if it is opened normally, and the 4S store should be able to claim for free.

The computer motherboard is broken and won't turn on, what should I do?