dell inspiron camera app not working, black screen error msg

tried everything under the sun, internal cam just shows black screen, skype etc not showing cam either. updated drivers, privacy settings, etc etc. no clue what's up.



OS Name Microsoft Windows 10 Home
Version 10.0.18362 Build 18362
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name TWIL
System Manufacturer Dell Inc.
System Model Inspiron 5520
System Type x64-based PC
System SKU xxx123x#ABA
Processor Intel(R) Core(TM) i7-3632QM CPU @ 2.20GHz, 2201 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date Dell Inc. A11, 10/3/2012
SMBIOS Version 2.7
Embedded Controller Version 1.01
BIOS Mode UEFI
BaseBoard Manufacturer Dell Inc.
BaseBoard Product 04G65K
BaseBoard Version A00
Platform Role Mobile
Secure Boot State On
PCR7 Configuration Binding Not Possible
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "10.0.18362.387"
User Name Twil\NO
Time Zone Eastern Standard Time
Installed Physical Memory (RAM) 8.00 GB
Total Physical Memory 7.87 GB
Available Physical Memory 2.78 GB
Total Virtual Memory 9.12 GB
Available Virtual Memory 3.87 GB
Page File Space 1.25 GB
Page File C:\pagefile.sys
Kernel DMA Protection Off
Virtualization-based security Not enabled
Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and device is not Modern Standby, Un-allowed DMA capable bus/device(s) detected, Disabled by policy, TPM is not usable
Hyper-V - VM Monitor Mode Extensions Yes
Hyper-V - Second Level Address Translation Extensions Yes
Hyper-V - Virtualization Enabled in Firmware Yes
Hyper-V - Data Execution Protection Yes