Problem started within last couple weeks. After computer goes to sleep, when you try and wake it you get a mostly white screen but with many vertical lines of green, yellow, and magenta. You can move the mouse (cursor is now a slightly lighter square) but can't wake computer no matter what I try. have to do a hard restart; sometimes starts normally, other times Windows does a self-repair. Any ideas?
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Thanks for posting.
Unfortunately it is very difficult to answer your question without knowing what model Inspiron you have and the Operating System you're using,
I am having the same issue, 3650 , I just tried to wake my machine after a few days. Same exact issue you are having. Hope to see an answer soon.
Added a screenshot of the screen; this is acloseup; it's actually pretty white but with the stripes. Looked at that link; didn't have much info for Windows 10. On another thread there was a sequence of steps where you went into device manager and turned off sleep for USB root ports (and more) and then tweak the advanced power settings but that didn't work either. Meanwhile, here's some additional info after testing a bit more:
After I get the white screen, the computer has actually come out of sleep mode but neither the mouse nor the keyboard is completely functional. All the mouse can do is move the cursor (which is now a big square) around he screen. All I could get the keyboard to do was put the computer back to sleep using the Fn sleep key, but nothing else seems to work.
So for now I've disabled sleep in the power setting (but still turn the monitors off) but hoping to find a solution eventually. This may have happened after the last round of Dell updates which was arounf the same time the problem cropped up, so if they had a buggy update perhaps it will be fixed in a subsequent update.
I also have almost the same issue (and same PC), which started about 3 days ago. Except it seems to be the whole PC, not just the monitor. I have to do a manual Power Down (hold button for 4 seconds), then restart. I had the time before "sleep" set at 3 hrs, so the problem would occur the next morning. Windows support wanted me to set that option back to the default (10 minutes). I did, so now the problem occurs much sooner! I certainly hope Windows comes thru with another update.
What video card do you have, and what port on the PC are you using to connect to the monitor, HDMI, DisplayPort, DVI...?
What Power plan options did you tweak?
Are you talking about a recent Dell driver update or a Windows update? Manually set a System Restore point, to be safe, and then go into Device Manager, find the listing for your video card and roll back the driver to the previous version. Reboot afterwards and let PC go to sleep. Note: It's always a good idea to back up personal files on external media before doing a System Restore.
Have you gone into BIOS setup and tweaked the sleep settings? (Do NOT change anything else in BIOS setup!)
I have exact same problem. Dell Inspiron 3650 i5 using the oldish display connector labeled VGA IN (rather than the HDMI or DVI). Are there instructions somewhere manually setting a System Restore? I am running Windows 10.
On your last sentence, what do you recommend tweaking the sleep settings to? How do you go into the BIOS settings? Is this an alternative thing to try if the first one (roll back to previous video card driver) doesn't work? I suspect it's associated with a recent Dell driver update, or a Windows update, because this problem happened to two of our computers at the same time, both Dell Inspiron 3650's with Windows 10. It didn't happen on our other two computers which have Windows 10 but are not Dell Inspirons. Also, when I hooked up another brand of monitor to the same VGA cable on one of the Dell Inspirons, the same problem was happening, so it isn't the monitor.