![]() ![]() Then booted up the laptop, downloaded and installed all the drivers I could find for this model. I removed one stick, so there was only one in Dimm A socket. But still the farthest I can reach without the black screen is to the windows login screen. So I shut down the laptop, unplugged adapter, removed the battery, held power button for at least 30 seconds, then connected everything back and power on the laptop. But there was no indication even after ~15 minutes, still snowing. I've waited for a longer while assuming the test is still running. And after a few minutes the screen started snowing. Then it was an alert about the battery lifetime, then about charger detect (it was unplugged). What could be a reason that it won't run with the new one? I tried switching and re-installing the RAM sticks over and over but with no result.Įverything goes back to normal if I switch to the old RAM. The laptop started to boot, it showed the Dell logo, then the Windows 10 login screen and the screen goes all black. I opened BIOS (which was the Dell UEFI menu in fact) and there was nothing more to do than just checking if the system sees a new memory correctly and everything seemed ok there so I left this menu. At first, there was a white screen "Alert! The amount of system memory has changed" with the button "Continue" and "Open BIOS". I unplugged a battery for ~10min, replaced RAM sticks, plugged the battery back, and then powered on. I also made sure that this laptop model can handle more RAM. It has the same type, voltage, and speed as the previous sticks (SO-DIMM, DDR4, 2400MHz, 1.2V). (Aside, b/c I don't think I want to go here: I goofed up the links (unless I can find them somewhere, or I could google it again), but I did find one post where the user had this problem (with other AMD hardware involving an ASUS monitor).I've decided to upgrade my RAM from 16GB to 32GB so I bought the G.Skill one ( F4-2400C16D-32GRS). ![]() if you can believe what you read on the Internet, that is □ Kind of hate to change it as I'm under the impression that 60 Hz is such a popular sweet spot for making things just right. As I understand it, that is a simple matter of changing it under System Settings > Hardware > Display and Monitor, where I see that 75 Hz is listed as a drop-down option. If it becomes a bigger problem, I can change the refresh rate as an experiment. This is hard to test because it seems to happen so infrequently. If 75 is the native refresh rate, then perhaps waking from sleep it has to change from that to 60, maybe? => So, that time I did a hard re-boot of the PC and then everything came up OK - I could continue with no problems.Īdvice? Thoughts? Other solutions? Diagnosis/analysis?Ĭlaydoh: If the monitor supports 75 hz, it would be worth trying to set it to that. (b) Another time when I tried this, it gave me a non-flickering screen OK, but my Kubuntu desktop didn’t fully load: the mouse pointer wasn’t working right the Firefox tabs wouldn’t reload I had no panel at the bottom of the screen (showing the K- app launcher or system tray or open apps, etc.) (a) Once, this worked perfectly, and I could continue on with the Kubuntu 20.04 desktop & proceed OK, no problems. I enter my PW and it gives me a non-flickering screen, with a twist: (3) This also worked, but please keep reading: That worked to get rid of the flickering screen. This has failed – it takes me back to the flickering screen.Īt the flickering screen, I logged in with U/N and PW. – Memory Crucial 32GB Kit (2 x 16GB) DDR4-2666 UDIMM, CT2K16G4DFD8266Ĭtrl – Alt -F3, log in, exit, then go back to graphical: Ctrl – Alt – F1 – Motherboard ASUS Prime Z590-P LGA 1200 (Intel 11th/10th Gen) ATX – Monitor Asus VA24EHE 23.8” Monitor, 1080P, Full HD, IPS, 75Hz, HDMI D-Sub DVI-D, – CPU Intel Core i5-10500 - 10th Gen Comet Lake 6-Core 3.1 GHz LGA 1200 65W Intel UHD Graphics 630 The graphics is integrated, Intel UHD Graphics 630. The video RAM not being re-initialized when the machine emerges from the sleep state? This has happened 4 times since 12/1/21 (until today 12/26/21).ītw, I CAN log in and continue that way, but with a flickering screen. Kubuntu 20.04.Īfter leaving the PC for awhile, I return, I move the mouse to wake it up the PC, BUT the screen flickers with colorful, blinking patterns of horizontal and vertical colored bars and patterns. ![]() I want to throw this out to see if any of you guys have some insights to a problem and maybe can offer 'best' or other fixes for it. ![]()
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