Monitors LCD Shuts down Randomly

My LCD is attached to my gpu by http://cgi.ebay.in/ws/eBayISAPI.dll?ViewItem&item=261433097130 & http://www.ebay.in/itm/PTron-1-4V-G...=IN_DVD_Players_Recorders&hash=item3a86f3d946

previously it was connected by a VGA cable.since the time of the new connection the display has been behaving erratically.It will power down for two seconds if a power switch in the room is turned off/on (Most of The time but not always).It might also power down if my phone is kept infront of it and a call is coming.Please advise

System info -

System Information Report

General
Operating System Microsoft Windows 7 Ultimate
Central Processor AMD Athlon(tm) II X4 630 Processor
User Name Stonecaper
Graphics
Video Adapter AMD Radeon HD 5570
Video Memory 1.00 GB
Screen Resolution 1920 x 1080
Storage
Total Memory 4.00 GB
Free Memory 2.33 GB
Total Hard disk 2235.63 GB
Free Hard disk 837.59 GB
I/O
Mouse USB Input Device
Keyboard USB Input Device
Computer System
Computer Name STONECAPER-PC
User Name Stonecaper
Organization Wrath Inc.
Operating System
OS Name Microsoft Windows 7 Ultimate
OS Version 6.1.7601
Service Pack 1.0
Product ID 00426-OEM-8992662-00537
System Up Time 20-Apr-14 10:13:28 AM
Internet Explorer Version 11.0.9600.17041
Microsoft DirectX Version DirectX 11
OpenGL Version 6.1.7600.16385 (win7_rtm.090713-1255)
Registry
Maximum Size 2048 MB
Current Size 155 MB
Status OK
Central Processor
CPU Name AMD Athlon(tm) II X4 630 Processor
Code Name Model 5, Stepping 2
Manufacturer AuthenticAMD
Current Clock Speed 2800 Mhz
Max Clock Speed 2800 Mhz
Voltage 1.5V
External Clock 200 Mhz
Serial Number 178BFBFF00100F52
CPU ID AMD64 Family 16 Model 5 Stepping 2
Socket Designation CPU 1
L1-Cache 512 KB
L2-Cache 2048 KB
L3-Cache 0 KB
Motherboard
Model TA785G3 HD
Manufacturer BIOSTAR Group
Serial Number None
BIOS Name Default System BIOS
BIOS Vendor American Megatrends Inc.
SMBIOS Version 080015
BIOS Date 24-Dec-09
BIOS Features
ISA is supported Yes
PCI is supported Yes
Plug and Play is supported Yes
APM is supported Yes
BIOS is Upgradable (Flash) Yes
BIOS shadowing is allowed Yes
ESCD support is available Yes
Boot from CD is supported Yes
Selectable Boot is supported Yes
BIOS ROM is socketed Yes
EDD (Enhanced Disk Drive) Specification is supported Yes
Int 13h - 5.25 /1.2MB Floppy Services are supported Yes
Int 13h - 3.5 / 720 KB Floppy Services are supported Yes
Int 13h - 3.5 / 2.88 MB Floppy Services are supported Yes
Int 5h, Print Screen Service is supported Yes
Int 9h, 8042 Keyboard services are supported Yes
Int 14h, Serial Services are supported Yes
Int 17h, printer services are supported Yes
Int 10h, CGA/Mono Video Services are supported Yes
ACPI supported Yes
USB Legacy is supported Yes
LS-120 boot is supported Yes
ATAPI ZIP Drive boot is supported Yes
Memory Resource
Total Memory 4.00 GB
Used Memory 1.66 GB
Free Memory 2.34 GB
Memory Usage 41%
Physical Memory
Memory Bank BANK0
Description Physical Memory 0
Device Locator DIMM0
Capacity 2.00 GB
Speed 667 Mhz
Manufacturer Manufacturer00
Data Width 64 bit
Memory Type Other
Form Factor DIMM
Physical Memory
Memory Bank BANK1
Description Physical Memory 1
Device Locator DIMM1
Capacity 2.00 GB
Speed 667 Mhz
Manufacturer Manufacturer01
Data Width 64 bit
Memory Type Other
Form Factor DIMM
Disk Drives
Name Hitachi HDS721010CLA332 ATA Device
Media Type Fixed hard disk media
Capability 931.51 GB
Interface Type IDE
Partitions 3
Total Cylinders 121601
Total Heads 255
Total Sectors 1953520065
Total Tracks 31008255
Tracks Per Cylinder 255
Bytes Per Sector 512
Sectors Per Track 63
S.M.A.R.T Support Yes
Current Temperature 0C (32F)
Disk Drives
Name ST3802110AS ATA Device
Media Type Fixed hard disk media
Capability 74.53 GB
Interface Type IDE
Partitions 2
Total Cylinders 9729
Total Heads 255
Total Sectors 156296385
Total Tracks 2480895
Tracks Per Cylinder 255
Bytes Per Sector 512
Sectors Per Track 63
S.M.A.R.T Support Yes
Current Temperature 0C (32F)
Disk Drives
Name WDC WD10EARS-003BB1 ATA Device
Media Type Fixed hard disk media
Capability 931.51 GB
Interface Type IDE
Partitions 1
Total Cylinders 121601
Total Heads 255
Total Sectors 1953520065
Total Tracks 31008255
Tracks Per Cylinder 255
Bytes Per Sector 512
Sectors Per Track 63
S.M.A.R.T Support Yes
Current Temperature 0C (32F)
Disk Drives
Name Seagate FreeAgent Go USB Device
Media Type External hard disk media
Capability 298.09 GB
Interface Type USB
Partitions 1
Total Cylinders 38913
Total Heads 255
Total Sectors 625137345
Total Tracks 9922815
Tracks Per Cylinder 255
Bytes Per Sector 512
Sectors Per Track 63
S.M.A.R.T Support Yes
Current Temperature 0C (32F)
CD-ROM Drive
Name DTSOFT Virtual CdRom Device
Drive K:
Transfer Rate -1
Status OK
IDE Controller
Name ATA Channel 0
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
IDE Controller
Name ATA Channel 1
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
IDE Controller
Name ATA Channel 0
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
IDE Controller
Name ATA Channel 1
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
IDE Controller
Name Standard Dual Channel PCI IDE Controller
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
IDE Controller
Name Standard Dual Channel PCI IDE Controller
Manufacturer (Standard IDE ATA/ATAPI controllers)
Status OK
Video Adapter
Name AMD Radeon HD 5570
Video Processor AMD Radeon Graphics Processor (0x68D9)
Manufacturer Advanced Micro Devices, Inc.
Video Architecture VGA
DAC Type Internal DAC(400MHz)
Memory Size 1.00 GB
Memory Type Unknown
Video Mode 1920 x 1080 x 4294967296 colors
Current Refresh Rate 60 Hz
Driver Version 13.350.1005.0
Driver Date 12-Mar-14
Monitor
Name BenQ G2220HD (Digital)
Screen Height 1080
Screen Width 1920
Status OK
Local Area Connection
Product Name Realtek PCIe GBE Family Controller
Service Name RTL8167
Manufacturer Realtek
MAC Address 00:30:67:60:B7:CA
Sound Device
Name AMD High Definition Audio Device
Manufacturer Advanced Micro Devices
Status OK
Mouse
Name USB Input Device
Manufacturer (Standard system devices)
Buttons 0
Status OK
Keyboard
Name USB Input Device
Description Enhanced (101- or 102-key)
Function Keys 12
Status OK
USB Controller
Product Name Standard Enhanced PCI to USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard OpenHCD USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard OpenHCD USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard OpenHCD USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard OpenHCD USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard OpenHCD USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
USB Controller
Product Name Standard Enhanced PCI to USB Host Controller
Manufacturer (Standard USB Host Controller)
Protocol Supported Universal Serial Bus
Status OK
 
Remove the windows product I'd and any serial Nos in the sys info.
This blanking out of video has happened to lots of people using HDMI output to their monitor. Its happened to me too. I have not found out the actual reason yet since it stopped suddenly.
 
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