Dell Inspiron 17R 7720 Special Edition Laptop
NO OS told at all how sad is thaT?
10 year old today, the big battery that old is NO GOOD.
came new w7 or w8 and did you upgrade to w10? (is a go)
drop the battery off
the bottom fails now on AC power only?
hummmmmmmm so easy to do that first... did you?
batteries are no good this old. and short or overload VRM inside.
it is not a DISPLAY or MONITOR AT ALL IT Is a PC LAPTOP
Well the screen goes blank
and the PC os is not set to sleep mode? or (w10?)_ set to screens saver mode,.
does the screen fail OMG in bios PAGE 1 held there.???>????
BIOs screens do not sleep ever, see that trick
power on, hammer esc, and go to prompted page 1 of the bios
if these test fails the screen is bad or the PC overheats.
THE CPU SHUTS off if too hot at 90c. all do that. and is normal if allowed overheat, even laying on blanket or bet. we can run HWinfo32. for free and see the CPU overheat no need ever to rip off the heat sink cooling pipes.
bios fails or does not, that is a binary path to the truth./.
fails bad screen or overheats (or other causes even huge battery shorting (gee remove it first and run on AC power only)
bios does not fail
that means windows 10 is messed up, corrrupted or simply set up wrong ... easy no using just fingers , and HWINFO32 free and safe.
or the display drivers are not from DELL.com get them load them.
the only drivers that work and are not INFECTED are here
if only windows 10 is mess, bios works all day.
install the w10 drivers, from dell.com
the disable all sleep modes
if still fail do the dell recovery or reload w10
the hdd must be tested and i see you did via F12.
the PC does not fail in BIOS is a windows problem
or boot to any Linux demo media, and linux runs all day then windows is a wreck, and the cures are tedious. (all sleeps off) or reload w10
did you now windows has reset (ms dot com read)
and has w10 to w10 inline upgrade mode
? <<< amazing fact, even no data loss. and goes to day1 settings
Instead of wild expensive guessing
next time ask for help and lots of free tests to do and not go broke
and not suffer long down time.
and learn to use Hwinfo32.
see cpu temps. and more.
learn that CPU slows down before the last step, the CPU shuts of at 90C (by DESIGN and saves it;'s own bacon every time!!!)
newer GPU do the same thing
and newer SSD , yes the same thing NOW.
learn and how to sees that at any time with a free app.
all PC sleep , if allowed, if the wake from keys are dead, that too fails. just turn off sleep to prove that.
if sleep is hard stuck push power button for 10seconds and that magic intel ship resets and power turns on now.
amd or intel the same way.
any good tech knows all this.