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Check steps: 1. Whether the machine has been upgraded, unplug the memory and use alcohol and eraser to wipe the memory gold finger.
3. Replace the pure version of the system and try to see if it can solve the problem;
4. If there is a condition, the external monitor is confirmed, see if the external screen is blurred, if the external display is normal, you can judge that the screen part of the failure is likely to be large, it is recommended to go to the after-sales specific test.
5. If the machine is overheated, it will also cause a blurred screen, so you can clean the fan and reduce the CPU working temperature.
If it doesn't work, please go to the after-sales service for specific testing.
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The graphics card has two outputs, one for the screen (LCD) and one for the CRT (external monitor), if one of the two functions fails, the graphics card needs to be replaced, this graphics card is defective, and the improved version of 7300T or 110MT needs to be replaced
80% of the errors reported by the blurred screen, one long and two short are caused by the overheating and soldering of the graphics card, and some of the graphics cards themselves are defective and aging, and they need to be replaced with a new and improved version of the graphics card; For example, the graphics card of the NVIDIA 8400 is defective.
The flower screen is caused by the overheating of the BGA packaging chip of the graphics card, and it is good to add soldering or replace the graphics card through professional BGA packaging and welding equipment and technology. If the hardware fails, send it for repair. If it is within the warranty period, the drop-off service is free of charge.
It is recommended that you find a reputable and skilled repairer to help you with the repair.
If you have any questions, you can consult me, and I will help you in Beijing.
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There are usually three situations that cause the computer to boot up and the screen is blurred:
1.Splash screen is a relatively common display failure, and most of the screen failures are caused by the graphics card itself.
If you can occasionally enter the system or enter safe mode (F8), first reinstall the graphics card driver; Then it is to clean up the gold finger, which can generally be solved.
If the system can't get in, it is very likely that the video memory is damaged, and often when the system starts, there will be a blurred screen of confused characters, in which case the graphics card or video memory bar must be replaced.
2.If the temperature is too high, the fan of the graphics card is not good, or the air duct in the case is not good, resulting in too high temperature, and the temperature is high in summer, which is more common;
Feel the temperature of the memory chip with your hand to check whether the fan of the graphics card is stopped. Then look at the AGP slot on the motherboard to see if there is any dust, check whether the gold finger of the graphics card is oxidized, and then clean up the dust according to the specific situation, wipe the gold finger with an eraser to polish the oxidized part.
3.The power of the power supply is insufficient. If there was nothing wrong with it before, this can basically be ruled out;
Lesson learned: If you encounter a blank screen on the computer, first look at whether your graphics card is an integrated graphics card or a standalone If it is integrated, then it may be that there is a problem with your memory module If it is independent, then there is a problem with your graphics card Please refer to the first article to solve it.
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Since the external monitor can be used to say that the obvious card is fine, guess that it is due to poor internal contact, and change the repair place, maybe it is not necessarily to change the graphics card.
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If there is no problem connecting the monitor, it should not be a problem with the graphics card, because there should be a problem with your monitor.
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It could be a problem with the display.
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1.Kill it all.
poison, to ensure that there is no disease to make poison.
2.Graphics card driver re-bai new installation,From your book official website du
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Under normal circumstances, the snowflakes at the time of boot are the display and the graphics card.
There is a fault in the wiring, and it is off.
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1: It may be a display issue.
2. It may be the gold finger of the graphics card.
If you don't have good contact with the slot, give it a hard beating with an eraser. (
It may be that your graphics card does not have good heat dissipation, resulting in high loads that cannot be withstanded, and the screen is sloppy.
Solution: A: Remove the graphics card and attach the electric fan.
After removing it, wash the heat sink, brush the fan, re-scrub the chip and heat dissipation base, and apply new silicone grease.
B: Buy a pure copper radiator (copper-clad core) of about 60 80 yuan to dissipate heat strongly.
c: Purchase a new graphics card.
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What are you doing on your computer when your computer screen is blurred, can you tell me? I'll tell you what you say more accurately.
Generally, the blurred screen is caused by your own incorrect operation, remember not to do the operation that is easy to cause the blurred screen. The computer should not operate at full capacity, that is, when playing games, watching, watching, and watching web pages, it is most likely to crash and blur the screen while doing other operations, so don't operate other things when playing games with Zheng opera, watching, watching, and watching web pages.
No matter what you're doing, as long as there is a sign of a card, stop the operation at hand and quit the trial, so that the screen won't be blurred, and if it's still like this, don't play or don't watch it.
Hardware: If the memory is small** memory module, whether the hard disk has bad sectors, whether the hardware is incompatible or faulty, use Master Lu to test whether the temperature of the CPU and other hardware is high.
90% of the blurred screen is caused by the improper operation of the computer, the card is the root cause of the blurred screen, it is easy to cause the operation of the card not to do, it will avoid the blurred screen or less blurred screen.
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The problem with the graphics card, let's change it, it's all a blur.
Wrap a protective film.
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