ບໍ່ມີຈໍສະແດງຜົນ / ບໍ່ສາມາດເປີດໄດ້

(First check whether the adapter or other power cables are faulty or have poor contact.)

一、No backlight, no display:1.Is the PC power switch turned on?

Reason：The customer is unaware of the PC power switch.

ວິທີແກ້ໄຂ：Press the PC power button to turn on the computer.

2.Power supply is normal, PC power button light does not illuminate, motherboard red light.

Reason:
Motherboard defect.

ວິທີແກ້ໄຂ:Replace the motherboard.

3.Store data.

Reason:Motherboard storage capacity is full

ວິທີແກ້ໄຂ:Battery discharge (remove the battery for about 5 ວິນາທີ, then reinsert it)

4.RAM Installation (ຫ້ອງຄອມພິວເຕີ)

Reason:Memory module loose connection, loosened due to transportation vibration

ວິທີແກ້ໄຂ:Heavy-duty truck memory module

5.RAM slot (ຫ້ອງຄອມພິວເຕີ)

Reason:Slot contact issue

Soluton:If there are dual card slots, you can switch to another slot.

6.High-voltage busbar

Reason：High-voltage busbar

ວິທີແກ້ໄຂ：ການທົດແທນ

7.Backlight cable

Reason：Poor backlighting

ວິທີແກ້ໄຂ:ການທົດແທນ

8.ຈໍ LCD

Reason：LCD Screen Fault

ວິທີແກ້ໄຂ:ການທົດແທນ

二、Backlight present, no display:The external monitor is displaying.

Reason：The BIOS resolution is incorrect.
Poor contact in the LCD screen cable

ວິທີແກ້ໄຂ:Flash the BIOS
Unplug the display cable. If that doesn’t work, replace the display cable. Replace the display cable.

三、Black screen after entering the system:Brightness Settings Issue

Reason:Set brightness to minimum

ວິທີແກ້ໄຂ:Increase the brightness on the external monitor.

四、Setup Issues：Whether BIOS and motherboard jumper settings are configured for power-on boot

Reason:Setting both power-on methods simultaneously will prevent the device from booting up.

ວິທີແກ້ໄຂ:Disable a power-on startup configuration method

五、After running for a period of time, a black screen restart can restore it：ລະບົບ

Reason：System error

ວິທີແກ້ໄຂ：Reinstall the operating system

六、Touch display：Is the keypad switch turned off?

ວິທີແກ້ໄຂ:Press the POWER button on the keypad.