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【速搜问答】如何维护电脑显示器

问答 admin 1个月前 (06-24) 37次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

显示器的放置应尽量远离强磁场,使用时尽量将显示器面向东方,应尽量避免灰尘进入,避免阳光直射屏幕,否则容易使显像管老化,对比度可设置为最大,清洁屏幕用柔软的干棉布擦拭,清洁外壳用棉布沾清水擦拭。

The display should be placed far away from the strong magnetic field as far as possible. When using, the display should face the East as far as possible. Dust should be avoided as far as possible to avoid direct sunlight on the screen. Otherwise, it is easy to make the kinescope aging. The contrast can be set to the maximum. Clean the screen with a soft dry cotton cloth, and clean the shell with a cotton cloth dipped in water.

好的显示器不仅显示细腻,而且能够有效保护眼睛,减少对视力的损害。不过,很多人平常使用显示器的时候都比较随意,这就导致电脑显示器屏幕划伤、色彩失真、闪屏等问题。那么,我们应该如何在平时维护保养显示屏呢?除了要避免屏幕长亮、防冲击、防强光外还需要注意什么?

A good monitor can not only show delicate, but also effectively protect the eyes and reduce the damage to eyesight. However, many people are more casual when using the monitor, which leads to computer monitor screen scratch, color distortion, flashing and other problems. So, how should we maintain the display screen at ordinary times? In addition to avoiding screen long bright, anti shock, anti glare, what else should we pay attention to?

显示器的放置应尽量远离强磁场,如高压电线、音箱等,否则显像管容易被磁化。

The display should be placed as far away from the strong magnetic field as possible, such as high-voltage wires, speakers, etc., otherwise the picture tube is easy to be magnetized.

使用时尽量将显示器面向东方,因显示器出厂调整是面向东方进行的,这样可以使显示器受地球磁场的影响最小。

When using the monitor, try to face the East, because the factory adjustment of the monitor is facing the East, so that the monitor can be least affected by the earth’s magnetic field.

应尽量避免灰尘进入,但在使用时不能用物品将显示器遮盖,否则热量散发不出去,导致显示器内部温升过高而损坏机器。

The dust should be avoided as far as possible, but the monitor should not be covered with articles when it is used, otherwise the heat can not be emitted, resulting in high temperature rise inside the monitor and damaging the machine.

避免阳光直射屏幕,否则容易使显像管老化。

Avoid direct sunlight to the screen, otherwise it is easy to make the picture tube aging.

对比度可设置为最大,但亮度最好设置为最大值的 70%~70%,亮度太高对眼睛不利,且缩短显示器的使用寿命。

The contrast can be set to the maximum, but the brightness is best set to 70% – 70% of the maximum value. Too high brightness is not good for eyes and shortens the service life of the display.

清洁屏幕:只能用柔软的干棉布擦拭屏幕的灰尘,注意不要使用硬质物品,也不能沾水或清洁剂擦拭,否则会损坏屏幕表面的防辐射及抗静电镀膜。

Clean the screen: only use soft dry cotton cloth to wipe the dust on the screen. Pay attention not to use hard objects, and do not wipe with water or detergent, otherwise the anti radiation and anti-static coating on the screen surface will be damaged.

清洁外壳:用棉布沾清水擦拭,不要使用任何清洁剂,否则会使外壳失去出厂时的特有光泽。

Clean the shell: wipe it with cotton cloth and clean water, do not use any detergent, otherwise the shell will lose its special luster when it leaves the factory.

显示器维护保养

Monitor maintenance

避免屏幕长亮

Avoid long bright screen

CRT 显示器能够因为长期工作而烧坏,对于 LCD 也如此,所以一定要注意,如果在不用的时候,一定要关闭显示器,或者降低显示器的显示亮度,否则时间长了,就会导致内部烧坏或者老化。这种损坏一旦发生就是永久性的,无法挽回。另外,如果长时间地连续显示一种固定的内容,就有可能导致某些 LCD 像素过热,进而造成内部烧坏。

CRT display can burn out due to long-term work, as well as LCD. Therefore, it must be noted that if it is not in use, the display must be turned off or the brightness of the display must be reduced, otherwise the internal burn out or aging will be caused after a long time. Once this damage occurs, it is permanent and irreparable. In addition, if a fixed content is continuously displayed for a long time, some LCD pixels may overheat, and then burn out.

保持正常湿度

Maintain normal humidity

一般湿度保持在 30%~80%之间,显示器都能正常工作,但一旦室内湿度高于 80%后,显示器内部就会产生结露现象。其内部的电源变压器和其它线圈受潮后也易产生漏电,甚至有可能造成连线短路;而显示器的高压部位则极易产生放电现象;机内元器件容易生锈、腐蚀,严重时会使电路板发生短路。因此,显示器必须注意防潮,长时间不用的显示器,可以定期通电工作一段时间,让显示器工作时产生的热量将机内的潮气驱赶出去。

Generally, if the humidity is kept between 30% and 80%, the display can work normally, but once the indoor humidity is higher than 80%, condensation will occur inside the display. The internal power transformer and other coils are also prone to leakage when they are damp, and may even cause a short circuit; The high-voltage part of the display is prone to discharge; The components in the machine are easy to rust and corrode, and the circuit board will be short circuited when it is serious. Therefore, the monitor must pay attention to moisture-proof. If the monitor is not used for a long time, it can be powered on regularly for a period of time, so that the heat generated by the monitor will drive out the moisture in the machine.

正确清洁

Proper cleaning

显示屏表面如果发现显示屏表面有污迹,可用沾有少许水的软布轻轻地将其擦去,不要将水直接洒到显示屏表面上,水进入 LCD 将导致屏幕短路。

If any stain is found on the surface of the display screen, it can be gently wiped off with a soft cloth with a little water. Do not sprinkle the water directly on the surface of the display screen. Water entering the LCD will lead to short circuit of the screen.

避免冲击

Avoid shock

屏幕十分脆弱,所以要避免强烈的冲击和振动。掉落到地板上或者其他类似的强列打击会导致屏幕以及其它一些单元的损坏。

The screen is very fragile, so avoid strong shock and vibration. Falling to the floor or other strong column blows can cause damage to the screen and other units.

防强光

Anti glare

强光的照射下,机身容易老化变黄,显像管荧光粉加速老化,降低发光效率,导致使用时不得不把显示器的亮度、对比度调节得很高,结果进一步加速显象管灯丝和荧光粉的老化,使显示器的寿命大大缩短。因此,不要把显示器摆放在日光照射较强或光线必经的地方,最好把显示器摆放在日光照射较弱或没有光照的地方;或者在光线必经的地方,挂块深色的布减轻光照强度。

Under the irradiation of strong light, the body is easy to age and turn yellow. The phosphor of picture tube accelerates the aging and reduces the luminous efficiency. As a result, the brightness and contrast of the display have to be adjusted very high. As a result, the aging of the filament and phosphor of picture tube is further accelerated and the life of the display is greatly shortened. Therefore, do not place the monitor in the place where the sunlight is strong or the light must pass, it is better to place the monitor in the place where the sunlight is weak or there is no light; Or hang a dark cloth where the light must pass to reduce the light intensity.

防尘

dustproof

灰尘进入不仅会导致屏幕短路,还会影响散热。因此最好能够定期清洁屏幕灰尘,不用的时候套上防尘罩。

Dust will not only lead to screen short circuit, but also affect the heat dissipation. Therefore, it is best to clean the screen dust regularly and put on the dust cover when not in use.

防磁

Antimagnetism

显示器长期暴露在磁场中可能会磁化或损坏。电视、日光灯、电冰箱、电风扇等家用电器的周围会产生磁场,电磁过多会使显示器的颜色画面产生失真,平时使用时应把显示器放在离其它电磁场较远的地方,定期使用显示器上的消磁按钮进行消磁。

The monitor may be magnetized or damaged by long-term exposure to magnetic field. TV, fluorescent lamp, refrigerator, electric fan and other household appliances will produce magnetic field around, too much electromagnetic will make the color picture of the display distorted, usually use the display should be placed far away from other electromagnetic fields, regularly use the degaussing button on the display for degaussing.

显示器常见故障维修

Common troubleshooting of display

黑屏

Black screen

1、当打开电脑后,过了几分钟后还没有图像出现。这时应该首先看看显示器面板上的电源指示灯是否亮。如果不亮再检查显示器的电源插头是否接好。如果电源线插接良好(要保证电源插座有电,可以换一个插孔试一下),并且电源开关是开着的,但显示器指示灯不亮,这说明显示器内部电路有故障,这时应该送专门的维修部门修理。

1. When you turn on the computer, after a few minutes, there is no image. At this time, you should first check whether the power indicator on the display panel is on. If it doesn’t light up, check whether the power plug of the monitor is connected properly. If the power cord is well connected (to ensure that the power socket has power, try changing a jack), and the power switch is on, but the indicator light of the display is not on, it indicates that there is a fault in the internal circuit of the display. At this time, it should be sent to a special maintenance department for repair.

2、如果显示器的电源指示灯亮,这时应该重新启动电脑,并注意主机的指示灯是否闪亮,主机里是否有“嘀”的一声。如果有说明电脑已经正常启动。这时应检查显示器与主机的信号线连接是否正常,和主机相连的 15 针 D 形插头是否松动,插头内的针是否有断、歪、短等情况。如果连接正常,说明显示器内部有故障,应送修。

2. If the power indicator of the monitor is on, you should restart the computer at this time, and pay attention to whether the indicator of the host is flashing, and whether there is a “beep” in the host. If so, the computer has started up normally. At this time, check whether the signal line connection between the display and the host is normal, whether the 15 pin D-shaped plug connected to the host is loose, and whether the pin in the plug is broken, crooked, short, etc. If the connection is normal, there is a fault inside the display and it should be sent for repair.

3、节能型的显示器会根据主机送来的行场同步信号自动工作在相应的状态和模式,面板上的指示灯同时指示出相应的状态。通常为橙色闪烁-关机或睡眠,橙色-挂起,黄色-等待,绿色-正常显示。

3. The energy-saving display will automatically work in the corresponding state and mode according to the line field synchronization signal sent by the host, and the indicator light on the panel indicates the corresponding state at the same time. It is usually orange flashing – shutdown or sleep, orange – suspend, yellow – wait, green – normal display.

花屏

blurred screen

通常是由于显示器不支持主机送来的显示模式,往往是高于显示器的显示模式,引起屏幕的图像混乱,无法看清楚屏幕上的图像和文字。如果是具有模式自动识别的显示器,有可能是黑屏状态,但这时面板下方指示灯为绿色。这时可以重新启动电脑进入安全模式,把显示模式改为 640*480 后,再次启动电脑即可恢复。如果这种方法不行,可以在安全模式下把显卡驱动程序删除,然后在正常模式下重新安装显卡驱动即可。还有在显卡的显存发生故障时会出现屏幕上固定位置显示混乱,而其他地方却显示正常。也有个别的显卡损坏造成花屏的,但这种情况几率很小。

Usually because the display does not support the display mode sent by the host computer, it is often higher than the display mode of the display, which causes the image confusion of the screen and makes it impossible to see the image and text on the screen clearly. If it is a display with automatic pattern recognition, it may be in black screen state, but the indicator light at the bottom of the panel is green. At this time, you can restart the computer to enter the safe mode, change the display mode to 640 * 480, and then restart the computer again. If this method does not work, you can delete the graphics card driver in safe mode, and then re install the graphics card driver in normal mode. In addition, when the display memory of the graphics card fails, the fixed position display on the screen will be confused, while the display in other places will be normal. There are also individual graphics card damage caused by the splash screen, but the probability of this situation is very small.

缺色

Achromatism

比较明显的是缺红色或黄色,或蓝色,也有可能是颜色混乱,但图像细节清晰。这时显示器看得时间稍微长一点,眼睛就很不舒服,有刺痛感。这时你可以在关机后,检查一下你的显示器和主机的连接插头,看里面的针是否有断的,再检查显卡是否松动,如果这些没有问题,显示器便可以送修了。

The more obvious is the lack of red or yellow, or blue, may also be color confusion, but the image details are clear. At this time, if the monitor looks a little longer, the eyes will feel uncomfortable and tingling. At this time, you can check the plug between your monitor and the host after the power is turned off to see if the pin inside is broken, and then check whether the graphics card is loose. If there are no problems, the monitor can be sent for repair.

当屏幕整个出现红色(R),绿色(G),蓝(B)时,这时候一定是显示器内部电路坏了。

When red (R), green (g) and blue (b) appear on the screen, the internal circuit of the display must be broken.

白屏

White screen

出现白屏现象表示背光板能正常工作,首先判断主板能否正常工作,可按电源开关查看指示灯有无反应,如果指示灯可以变换颜色,表明主板工作正常。

The appearance of white screen indicates that the backlight board can work normally. First, judge whether the main board can work normally. Press the power switch to check whether the indicator light reacts. If the indicator light can change color, it indicates that the main board is working normally.

1、检查主板信号输出到屏的连接线是否有接触不良(可以替换连接线或屏)。

1. Check if there is bad contact between the connection line of the main board signal output to the screen (the connection line or screen can be replaced).

2、检查主板各个工作点的电压是否正常,特别是屏的供电电压。

2. Check whether the voltage of each working point of the main board is normal, especially the power supply voltage of the screen.

3、用示波器检查行场信号和时钟信号(由输入到输出)。

3. Use oscilloscope to check line field signal and clock signal (from input to output).

4、换上以写程序的通用板试机,如指示灯无反应或不亮,表明主板工作不正常。

4. If the indicator light doesn’t respond or doesn’t light up, it indicates that the motherboard is not working properly.

抖动

shake

1、显示器刷新频率设置得太低。当显示器的刷新频率设置低于 75Hz 时,屏幕常会出现抖动、闪烁的现象,把刷新率适当调高,比如设置成高于 85Hz,屏幕抖动的现象一般不会再出现。

1. The display refresh rate is set too low. When the refresh rate of the display is set lower than 75Hz, the screen will shake and flicker. If the refresh rate is set higher than 85Hz, the phenomenon of screen shake will not appear again.

2、电源变压器离显示器和机箱太近。电源变压器工作时会造成较大的电磁干扰,从而造成屏幕抖动。所以,不要把电源变压器放在离机箱和显示器很近的地方。

2. The power transformer is too close to the monitor and chassis. When the power transformer works, it will cause great electromagnetic interference, which will cause the screen jitter. Therefore, do not put the power transformer close to the chassis and monitor.

3、劣质电源或电源设备已经老化。许多劣质电脑电源,易造成电脑的电路不畅或供电能力跟不上,当系统繁忙时,显示器尤其会出现屏幕抖动的现象。另外,如果电脑的电源设备出现了老化,也容易造成相同的问题。

3. Poor quality power supply or power supply equipment is aging. Many poor quality computer power supply, easy to cause the computer circuit is not smooth or power supply capacity can not keep up, when the system is busy, the display will appear the phenomenon of screen jitter. In addition, if the power supply equipment of the computer is aging, it is easy to cause the same problem.

4、音箱放得离显示器太近。音箱所产生的磁场效应会干扰显示器的正常工作,使显示器产生屏幕抖动和串色等磁干扰现象。

4. The speaker is too close to the monitor. The magnetic field effect produced by the speaker will interfere with the normal operation of the display, which will cause screen jitter and cross color and other magnetic interference phenomena.

5、病毒引起。有些计算机病毒会扰乱屏幕显示,比如:字符倒置、屏幕抖动、图形翻转显示等。网上随处可见的屏幕抖动脚本,就足以让使用者在中招之后头大如牛。

5. It is caused by virus. Some computer viruses will disturb the screen display, such as: character inversion, screen jitter, graphics flip display, etc. The script of screen shaking can be seen everywhere on the Internet, which is enough to make the user as big as a bull after being recruited.

6、显示卡问题。显示器的显示与显卡息息相关,电脑屏幕出现故障可以考虑是不是显卡方面的原因,如:显卡接触不良。

6. Display card problem. The display of the monitor is closely related to the graphics card. If the computer screen fails, we can consider whether it is the cause of the graphics card, such as the poor contact of the graphics card.


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