Asus 90MB0YF0-M0EAY1 Troubleshooting Manual Download Page 2

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ASUS Q-LED troubleshooting for no power
on/no boot/no display

[Motherboard] ASUS Q-LED troubleshooting for no power on/no boot/no display (CPU,
DRAM, VGA, Boot Device LED)

To confirm if the key parts (CPU, DRAM, Graphics Card, HDD/SSD) are functioning as normal
during the startup, you can check if the Q-LED light of the motherboard is always ON

Please confirm whether the motherboard supports Q-LED indicator

Please follow the steps below to troubleshoot according to the Q-LED indicator :

A. CPU LED light is always ON after power on(indicates no CPU or CPU faulty)

B. DRAM LED light is always ON after power on(indicates no Memory or Memory faulty)

C. VGA LED light is always ON after power on(indicates no Graphics Card or Graphics Card
faulty)

D. BOOT LED light is always ON after power on(indicates no boot device or boot device faulty)

Please follow the below steps to troubleshoot by Q-LED indicator:

A. CPU LED light is always ON after power on(indicates no CPU or CPU faulty):

Please follow the troubleshooting steps below:

1. Re-install the CPU

2. Check if there is any dirt on the CPU Socket Pin or CPU Pin as shown in the images below. If
so, please clean it and try again.

Summary of Contents for 90MB0YF0-M0EAY1

Page 1: ...reless network card Check How to update the driver 3 Please test the connection with cable network If the same disconnection issue happens again please adjust the setting of routers Try to restroe your routers or update firmware of wireless router 4 Please contact your Internet service vendor to check whether internet connection is normal Desktop PC Motherboard Troubleshooting Microphone cannot re...

Page 2: ... A CPU LED light is always ON after power on indicates no CPU or CPU faulty B DRAM LED light is always ON after power on indicates no Memory or Memory faulty C VGA LED light is always ON after power on indicates no Graphics Card or Graphics Card faulty D BOOT LED light is always ON after power on indicates no boot device or boot device faulty Please follow the below steps to troubleshoot by Q LED ...

Page 3: ...allled please try to re install it Incorrect case Correct case 2 Check if there is any dirt on the memory Pin or memory slot of Motherboard as shown in the below images If there is please clean it and try again 3 Please refer to the suggested memory configurations found in the user manual of your model as shown in the below picture then try again You can refer to download user manual 4 If you re u...

Page 4: ...lways bright after power on indicates no CPU or CPU faulty 2 Add on Graphics card display output is not normal a Try to re install Graphics card b Check for any dirt on the PCI E Pin of motherboard or Graphics card Pin as shown in the below image If so please clean it and try again c If your problem cannot be solved after following steps a b please try another Graphics card D BOOT LED light is alw...

Page 5: ...ctively 2 If an M 2 SSD is installed please re connect the M 2 SSD again and confirm that the M 2 screw is locked 3 Check for any dirt on the Gold pins of the M 2 SSD or M 2 slot of the Motherboard as shown in the image below If there is dirt found please clean it and try again ...

Page 6: ...4 If steps 1 3 can t solve your problem please try another SATA cable SATA Port or SATA hard disk M 2 SSD Q A Q1 How to confirm the motherboard supports Q LED indicator ...

Page 7: ... or memory slot of the motherboard as shown in the picture below For some older models such as Z97 mark_ S Q LED light will be next to corresponding slot as shown in below The VGA_LED light is next to the PCIE slot which is also applicable to the above troubleshooting steps Method b Enter into ASUS Official website to check if your model support ASUS Q LED ...

Page 8: ...ons find Special Features ASUS Q Design check if ASUS Q LED is supported as shown below Method c Enter ASUS Support Center to download user manual to check if your model supports ASUS Q LED download user manual 1 Input your model name Ex ROG MAXIMUS IX FORMULA click Manual Document ...

Page 9: ...2 Click Manual find MAXIMUS IX FORMULA BIOS Manual English then click download ...

Page 10: ...Find Special Features ASUS Q Design check if Q LED is supported as shown below ...

Page 11: ...Q2 What to do if Q LED troubleshooting can t solve your problem A2 Please try to clear CMOS you can refer to How to Clear CMOS ...

Page 12: ...ter you enter microphone installation wizard follow the instruction to test 4 If some specific apps e g Skype RaidCall cannot receive the sound please adjust the microphone setting from menu of software setting Below we take Skype as example 1 Click Tools on toolbar Options Audio settings 2 If you connect and use more than one microphones ex Bluetooth headset please choose the one you want to use ...

Page 13: ... 3 You can also choose Make a free test call to confirm whether microphone works normally ...

Page 14: ...to Email Open on your smart phone Motherboard Troubleshooting No Power No Boot No Display Troubleshooting for No Power on 1 Check power supply 2 Check motherboard Troubleshooting for No Boot 1 Check the power of motherbaord also can refer to second troubleshooting for no power on ...

Page 15: ... only one memory 9 Test Memory list QVL 10 Check the monitor 11 Check the display output connection of external graphic card 12 Test if have display with the least device 13 ASUS Q LED troubleshooting 14 Clear CMOS 15 buzzer to troubleshoot No Power on When the computer is unable to boot and the power indicator is OFF please check that the power supply is properly connected and can normally work I...

Page 16: ...switched on b Replacing the extension cord and electric socket may be helpful to eliminate the problem 2 Check the power of the Motherboard Confirm the power cable of power supply is correctly connected to ATX power connectors Some motherboard may contain 24 pin EATXPWR and 4 pin EATX12V both connectors should be connected to the power supply Model name of photo below is B150M A ...

Page 17: ...Others may contain 24 pin EATXPWR and 8 pin EATX12V make sure to connect 8 pin EATX12V and 24 pin EATXPWR to the power supply The position and quantity of power ...

Page 18: ...connectors used may differ from model to model Please refer to the user manual for more details Model name of photo below is ROG ZENITH II ...

Page 19: ......

Page 20: ...l hard drives external PCI E Cards and etc Remove all the cables connected to the Motherboard including LAN cables audio cables and monitor cables HDMI VGA DVI DP Then try to boot the computer If it can be powered on normally the problem may be one or more of the external devices Re connect the external devices one by one until you find which external device or cable causes the issue 3 Try to powe...

Page 21: ...b Click CPU Support and check if your CPU is in the QVL list for compatibility as below And check if the BIOS version is as recommended or more later version than recommended ...

Page 22: ... have no display please enter into official website of your CPU vendor AMD or Intel to check if your CPU supports on board display 3 If you have confirmed your CPU supports on board display but still have no display please try to re install CPU and check if the CPU pin or CPU socket is dirty as below If yes please clean it and try again ...

Page 23: ......

Page 24: ...4 Check for any broken CPU pins If yes try another CPU ...

Page 25: ...recommended memory configurations in user manual of your model as shown in below image Example PRIME Z390 A 6 Confirm the memory is fully installed as shown in below image If it s not fully installled please try to re install it Incorrect case ...

Page 26: ...ot is dirty as shown in below images If yes please clean it and try again 8 If no display when you install two or more memories please check if problem can be solved by installing only one memory Then try in turn other memory to eliminate memory problem ...

Page 27: ...er to download memory QVL to check if your memory is on the QVL list for compatibility a Input your model name Ex ROG CROSSHAIR VII HERO and click CPU Memory Support b Click Memory Device Support and choose Memory_QVL and click Download c Check if your memory is on the QVL list for compatibility as shown below Example below is ROG CROSSHAIR VII HERO QVL list ...

Page 28: ...onitor shows no signal it indicates the monitor is powerd on normally b Confirm that the signal cable VGA DVI HDAMI DisplayPort is connected to the display also confirm that the other end of the cable is connected to the display output graphics card of the computer Try to replug the two sides of the display cable and confirm that all pins are not bent c Confirm that the display output of the monit...

Page 29: ...one side of the monitor cable to display output connector of the graphics card connect other side of the monitor cable to display output connector of the monitor b Check the PCI E pin or graphics card pin are dirty or not as below If dirty please clean it c If the problem still persists please try to display from the integrated graphics card of motherboard if it s not available please ignore this ...

Page 30: ...ce Note The outputs from the graphics card may vary from its series and models d Confirm that the output interface of the monitor is consistent with the setting please set the correct output interface when the monitor can t detect signal automatically 12 Remove external devices If the display problem still persists please follow the instructions below to remove all the external devices and confirm...

Page 31: ... external devices one by one until you find which external device or cable is causing the issue 13 If your motherboard supports Q LED function please refer to ASUS Q LED troubleshooting this FAQ includes how to check if your motherboard support Q LED function 14 If still has no display you can power off and then refer to clear CMOS FAQ How to Clear CMOS 15 You can also troubleshoot by the sound fr...

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