Asus ROG STRIX Z390-E GAMING User manual

Troubleshooting guide
[Desktop PC/Motherboard] Troubleshooting
for irregular disconnection of Wireless
network
Troubleshooting for irregular disconnection / intermittent / Connection drops of Wireless
network
If irregular disconnection occurrs on your wireless network , please confirm the below,
1. Please make sure you place your Desktop PC/Notebook in the range of wireless network. If the signal is
weak/unstable, please adjust location of router/desktop PC/Notebook.
2. Please try to update the driver of wireless 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 receive the sound
[Desktop PC/Motherboard]Troubleshooting- Microphone cannot receive the sound
If your microphone cannot receive the sound, please connecting microphone to other desktops in order to
exclude the possibility of malfunction.
If microphone is normal after confirmation, please try below methods :

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.

3. Check for any broken CPU pins. If yes, please try another CPU.
4. If your problem cannot be solved after following steps 1~3, please replace the CPU.
B. DRAM LED light is always ON after power on(indicates no Memory or Memory faulty):
1. Confirm that the memory is fully installed as shown in the below image. If it's not fully
installled, 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 using two or more memory, try to boot with only one memory installed, then reboot
each time with an additional memory installed.

5. If your problem cannot be solved after following steps 1-4, please change the memory and try
again
C. VGA LED light is always ON after power on(indicates no Graphics Card or Graphics
Card faulty):
1. Integrated Graphics(On-board) output is not normal. Please try to re-install the CPU ( Please
refer to the section : A.CPU LED light always 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 always ON after power on [indicates no boot device(etc:HDD/SSD)
or boot device faulty]:
Please follow the troubleshooting steps below:

1. Please re-connect the SATA cable to the motherboard and the hard disk respectively
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

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?

A1: You can check by the following three ways：
Method a. Check for the Q-LED indicator on the Motherboard, which is usually near the 24pin
power supply interface 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

1) Click , then input your model name (Ex: ROG MAXIMUS IX FORMULA)
2) Click [Specifications], 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]

2) Click [Manual], find MAXIMUS IX FORMULA BIOS Manual(English), then click
[download]

Find [Special Features] - [ASUS Q-Design], check if [Q-LED] is supported as shown below