信息
在正常重启 Windows 10 后，屏幕上什么都没有出现。
我遇到这个问题已经有一段时间了，但通常在拔下并重新插入电脑后，屏幕就会正常工作，一切正常。
我不知道是什么导致了这个问题，我以为这只是一次性的事情。
这台电脑是我的测试服务器，全天候运行，所以通常我不会关闭或重启它。
问题
当我重启电脑或将其关闭时，下次我想将其重新打开时，屏幕会变黑“无信号”。
屏幕上什么都不显示，电脑正在工作，只是没有视频信号。
我可以移动鼠标和功能，因为键盘正在工作。
远程控制电脑也不起作用，因为电脑处于离线状态。
显示器和电缆正常工作，因为有时电脑可以正常启动。
现在问题变得很奇怪：
“取出并放入”后，电脑有时会正常启动。
有时等待 24 小时后，电脑可以正常启动，没有任何问题。\
运气耗尽
这个问题已经拖了好几个月了...我觉得我的电脑已经坏了。
我如何解决这个问题
- 检查电缆
- 检查连接
- 从 GPU 开始
- 检查屏幕
- 清洁一切
- 从无 GPU（集成 grufics）开始
- CMOS 电池取出（等待 3 - 2 分钟）
- BIOS 重置
- 完全关闭并打开
电脑信息
Summary
Operating System
More data is available.
CPU
AMD Ryzen 5 33 °C
Picasso 12nm Technology
RAM
16.0GB Dual-Channel Unknown @ 1330MHz (20-19-19-43)
Motherboard
ASUSTeK COMPUTER INC. PRIME B450M-A (AM4) 33 °C
Graphics
2460G4 (1920x1080@120Hz)
8176MB ATI Radeon RX 5500 XT (ASUStek Computer Inc)
2048MB ATI AMD Radeon RX Vega 11 Graphics (ASUStek Computer Inc)
CrossFire Disabled
Storage
447GB SanDisk SSD PLUS 480GB (SATA (SSD)) 31 °C
1863GB TOSHIBA HDWD120 (SATA ) 38 °C
Optical Drives
No optical disk drives detected
Audio
USB Audio Device
Operating System
More data is available.
CPU
AMD Ryzen 5
Cores 4
Threads 8
Name AMD Ryzen 5
Code Name Picasso
Package Socket AM4 (1331)
Technology 12nm
Specification AMD Ryzen 5 3400G with Radeon Vega Graphics
Family F
Extended Family 17
Model 8
Extended Model 18
Stepping 1
Instructions MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AMD 64, NX, VMX, AES, AVX, AVX2, FMA3
Virtualization Supported, Enabled
Hyperthreading Supported, Enabled
Fan Speed 901 RPM
Bus Speed 99.8 MHz
Average Temperature 33 °C
Caches
L1 Data Cache Size 4 x 32 KBytes
L1 Instructions Cache Size 4 x 64 KBytes
L2 Unified Cache Size 4 x 512 KBytes
L3 Unified Cache Size 4096 KBytes
Cores
Core 0
Core Speed 1363.9 MHz
Multiplier x 13.67
Bus Speed 99.8 MHz
Temperature 33 °C
Threads APIC ID: 0, 1
Core 1
Core Speed 1363.9 MHz
Multiplier x 13.67
Bus Speed 99.8 MHz
Threads APIC ID: 2, 3
Core 2
Core Speed 1363.9 MHz
Multiplier x 13.67
Bus Speed 99.8 MHz
Threads APIC ID: 4, 5
Core 3
Core Speed 3068.8 MHz
Multiplier x 30.75
Bus Speed 99.8 MHz
Threads APIC ID: 6, 7
RAM
Memory slots
Total memory slots 4
Used memory slots 2
Free memory slots 2
Memory
Type Unknown
Size 16384 MBytes
Channels # Dual
DRAM Frequency 1330.6 MHz
CAS# Latency (CL) 20 clocks
RAS# to CAS# Delay (tRCD) 19 clocks
RAS# Precharge (tRP) 19 clocks
Cycle Time (tRAS) 43 clocks
Bank Cycle Time (tRC) 62 clocks
Command Rate (CR) 1T
Physical Memory
Memory Usage 21 %
Total Physical 13 GB
Available Physical 10 GB
Total Virtual 33 GB
Available Virtual 28 GB
SPD
Number Of SPD Modules 2
Slot #1
Type Unknown
Size 8192 MBytes
Manufacturer Crucial Technology
Max Bandwidth DDR4-2666 (1333 MHz)
Part Number CT8G4DFS8266.M8FD
Serial Number 631700839
Week/year 52 / 19
Timing table
JEDEC #1
Frequency 701.8 MHz
CAS# Latency 10.0
RAS# To CAS# 10
RAS# Precharge 10
tRAS 23
tRC 33
Voltage 1.200 V
JEDEC #2
Frequency 842.1 MHz
CAS# Latency 12.0
RAS# To CAS# 12
RAS# Precharge 12
tRAS 27
tRC 39
Voltage 1.200 V
JEDEC #3
Frequency 912.3 MHz
CAS# Latency 13.0
RAS# To CAS# 13
RAS# Precharge 13
tRAS 30
tRC 43
Voltage 1.200 V
JEDEC #4
Frequency 982.5 MHz
CAS# Latency 14.0
RAS# To CAS# 14
RAS# Precharge 14
tRAS 32
tRC 46
Voltage 1.200 V
JEDEC #5
Frequency 1052.6 MHz
CAS# Latency 15.0
RAS# To CAS# 15
RAS# Precharge 15
tRAS 34
tRC 49
Voltage 1.200 V
JEDEC #6
Frequency 1122.8 MHz
CAS# Latency 16.0
RAS# To CAS# 16
RAS# Precharge 16
tRAS 36
tRC 52
Voltage 1.200 V
JEDEC #7
Frequency 1193.0 MHz
CAS# Latency 17.0
RAS# To CAS# 17
RAS# Precharge 17
tRAS 39
tRC 56
Voltage 1.200 V
JEDEC #8
Frequency 1263.2 MHz
CAS# Latency 18.0
RAS# To CAS# 18
RAS# Precharge 18
tRAS 41
tRC 59
Voltage 1.200 V
JEDEC #9
Frequency 1333.3 MHz
CAS# Latency 19.0
RAS# To CAS# 19
RAS# Precharge 19
tRAS 43
tRC 62
Voltage 1.200 V
JEDEC #10
Frequency 1333.3 MHz
CAS# Latency 20.0
RAS# To CAS# 19
RAS# Precharge 19
tRAS 43
tRC 62
Voltage 1.200 V
Slot #2
Type Unknown
Size 8192 MBytes
Manufacturer Crucial Technology
Max Bandwidth DDR4-2666 (1333 MHz)
Part Number CT8G4DFS8266.M8FD
Serial Number 622109428
Week/year 47 / 19
Timing table
JEDEC #1
Frequency 701.8 MHz
CAS# Latency 10.0
RAS# To CAS# 10
RAS# Precharge 10
tRAS 23
tRC 33
Voltage 1.200 V
JEDEC #2
Frequency 842.1 MHz
CAS# Latency 12.0
RAS# To CAS# 12
RAS# Precharge 12
tRAS 27
tRC 39
Voltage 1.200 V
JEDEC #3
Frequency 912.3 MHz
CAS# Latency 13.0
RAS# To CAS# 13
RAS# Precharge 13
tRAS 30
tRC 43
Voltage 1.200 V
JEDEC #4
Frequency 982.5 MHz
CAS# Latency 14.0
RAS# To CAS# 14
RAS# Precharge 14
tRAS 32
tRC 46
Voltage 1.200 V
JEDEC #5
Frequency 1052.6 MHz
CAS# Latency 15.0
RAS# To CAS# 15
RAS# Precharge 15
tRAS 34
tRC 49
Voltage 1.200 V
JEDEC #6
Frequency 1122.8 MHz
CAS# Latency 16.0
RAS# To CAS# 16
RAS# Precharge 16
tRAS 36
tRC 52
Voltage 1.200 V
JEDEC #7
Frequency 1193.0 MHz
CAS# Latency 17.0
RAS# To CAS# 17
RAS# Precharge 17
tRAS 39
tRC 56
Voltage 1.200 V
JEDEC #8
Frequency 1263.2 MHz
CAS# Latency 18.0
RAS# To CAS# 18
RAS# Precharge 18
tRAS 41
tRC 59
Voltage 1.200 V
JEDEC #9
Frequency 1333.3 MHz
CAS# Latency 19.0
RAS# To CAS# 19
RAS# Precharge 19
tRAS 43
tRC 62
Voltage 1.200 V
JEDEC #10
Frequency 1333.3 MHz
CAS# Latency 20.0
RAS# To CAS# 19
RAS# Precharge 19
tRAS 43
tRC 62
Voltage 1.200 V
Motherboard
Manufacturer ASUSTeK COMPUTER INC.
Model PRIME B450M-A (AM4)
Version Rev X.0x
Chipset Vendor AMD
Chipset Model Ryzen SOC
Chipset Revision 00
Southbridge Vendor AMD
Southbridge Model B450
Southbridge Revision 51
System Temperature 33 °C
BIOS
Brand American Megatrends Inc.
Version 1823
Date 10/15/2019
Voltage
CPU CORE 0.981 V
MEMORY CONTROLLER 2.529 V
VIN2 2.071 V
VIN3 2.027 V
VIN4 2.027 V
VIN5 1.940 V
VIN6 2.027 V
VIN7 1.679 V
PCI Data
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x8
Slot Designation PCIEX16
Characteristics 3.3V, Shared, PME
Slot Number 0
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation PCIEX1_1
Characteristics 3.3V, Shared, PME
Slot Number 1
Slot PCI-E
Slot Type PCI-E
Slot Usage Available
Data lanes x1
Slot Designation PCIEX1_2
Characteristics 3.3V, Shared, PME
Slot Number 2
Graphics
Monitor
Name 2460G4 on AMD 15D8:C8
Current Resolution 1920x1080 pixels
Work Resolution 1920x1040 pixels
State Enabled, Primary, Unsafe
Monitor Width 1920
Monitor Height 1080
Monitor BPP 32 bits per pixel
Monitor Frequency 120 Hz
Device \\.\DISPLAY1\Monitor0
ATI Radeon RX 5500 XT
Manufacturer ATI
Model Radeon RX 5500 XT
Device ID 1002-7340
Revision C6
Subvendor ASUStek Computer Inc (1043)
Current Performance Level Level 0
Current GPU Clock 0 MHz
Current Memory Clock 4 MHz
Current Shader Clock 4 MHz
Technology 7 nm
GPU Clock 0.0 (1733.0) MHz
Crossfire Disabled
Driver version 30.0.14011.3017
BIOS Version 115-D332P20-100
Memory Type GDDR6
Memory 8176 MB
Bandwidth 224.0 GB/s
Count of performance levels : 1
Level 1 - "Perf Level 0"
Memory Clock 26 MHz
Shader Clock 16 MHz
ATI AMD Radeon(TM) RX Vega 11 Graphics
Manufacturer ATI
Model AMD Radeon RX Vega 11 Graphics
Device ID 1002-15D8
Revision C9
Subvendor ASUStek Computer Inc (1043)
Current Performance Level Level 0
Current GPU Clock 200 MHz
Current Memory Clock 1333 MHz
Current Shader Clock 1333 MHz
GPU Clock 1400.0 MHz
Core Voltage 0.001 V
Crossfire Disabled
Driver version 30.0.14011.3017
BIOS Version 113-PICASSO-114
Memory Type DDR4
Memory 2048 MB
Bandwidth 42.7 GB/s
Count of performance levels : 8
Level 1 - "Perf Level 0"
Level 2 - "Perf Level 1"
Level 3 - "Perf Level 2"
Level 4 - "Perf Level 3"
Level 5 - "Perf Level 4"
Level 6 - "Perf Level 5"
Level 7 - "Perf Level 6"
Level 8 - "Perf Level 7"
更新时间：2021 年 4 月 17 日
问题可能出在主板 HDMI 连接上，我买了不同的电缆来尝试，但 HDMI 端口可能有故障。幸运的是，我还在保修期内……但奇怪的是端口仅在重启后才出现故障。可能是另一个问题导致了这个问题。我怀疑这是驱动程序的问题
更新时间：2021 年 4 月 19 日
主板问题...经过测试，似乎是主板问题，HDMI 端口触点不工作...GPU 和 PSU 工作正常。
答案1
您可以尝试以下方法：
- 移除所有内存条，只留下一根（也可以重新安装一根），也许其中一根有故障或者失去了连接
- 查找您的机器可以提供给您的信息（主板扬声器、调试 LED 等）
- 移除屏幕信号不需要的所有连接物（驱动器、扩展卡等）
- 重置 BIOS（相应地设置跳线或取出主板电池并等待一分钟，机器无电）