Did you try the generic reset?
( Power off, battery out, unplug charger, press power button for 60 seconds, release and re-test.)
At 8 years did you try a new CMOS battery?
If these simple things don't bring it back it's likely a failed machine. Motherboard is likely. Go shopping.
I'm using DELL Inspiron N4110 ,i5-2410M CPU @ 2.30GHZ,2301 MHz ,8GB-Ram,AMD Radeon HD 6630M Mobile Intel(R) HD Graphics 1GB.
it was working fine since 8 years.no issues good condition. Mostly im using this laptop for gaming like "COD-(Call of duty -Games)".Yesterday when i was playing COD Game-the display and System became Hang and some Flickering sound and flickering scattered image at bottom line of Screen.
Nothing worked.After i forced shutdown and restart the system-There is nothing to display.Only POWER & WIFI" LED"only on and Hard disk Processor LED NO blinking- Fan only running- I dont know how to find the issue and trouble shoot- NoBios Mode also Just black screen 1ly appear---PLS ADVICE ME- WHAT SHOULD I DO- --?