Tower ECT1250, slow resume from sleep mode

Question

I purchased a Dell Tower ECT1250 last October. It has the Intel Core Ultra 7 265 CPU, 32 GB DDR5 RAM and NVMe EG6 KIOXIA 2048GB SSD. BIOS and all drivers have been updated this week.

I have found when the PC is in sleep mode it takes 10 seconds after tapping the space bar to get to the sign in prompt.

I have tried multiple optimizations (BIOS settings, Windows settings) but nothing helps. The only available sleep mode identified by powercfg is S3.

Dell online support say they consider 7 to 15 seconds "normal"

Seems very odd that a newer much more powerful PC takes about 4 times as long to resume as my 10 year old PC.

Has anyone else seen better resume times?

Tesla1856 · Answer

You can be sure that Fast-Startup is enabled (but actually, I think that is just for initial booting).

Remember that waking from Sleep is different than waking from Hibernation. I definitely do NOT use Hibernation.

I don't really use S3-Sleep on desktops either. Many computers (even laptops) often have trouble ... not only fully waking (and reconnecting to network and peripherals) but being stable again. I suggest you boot-up, only let the monitor (and spinning HDD if you still have those) Sleep (but not the computer itself). Shut-it-down when you are finished using it for the day. It boots-up fresh the next day. It's always ready to go (and work properly) that way.

DELL-ChrisM2 · Answer

@Gibber8  List every peripheral device and cable connected to the Tower ECT1250.

Gibber8 · Answer

@DELL-ChrisM2​ The only devices/cables connected are the keyboard and mouse. I disabled WiFi and Bluetooth in BIOS. There are no PCI devices installed. Even disconnected Ethernet and external speaker.

DELL-ChrisM2 · Answer

@Gibber8​ Did you test the keyboard/mouse in rear #3 slots, then #4 slots to see if any difference?

Gibber8 · Answer

@DELL-ChrisM2​ They were in slot4. Moved them to 3 and there was no difference. This is the first time I found out I can power on the PC from a full shutdown using the keyboard (when connected to slot 4).

Tesla1856 · Answer

@Gibber8​ ,   This is the first time I found out I can power on the PC from a full shutdown using the keyboard (when connected to slot 4).  You should NOT be able to. Sounds like your 'S' Power-Mode is set too advanced. Maybe in BIOS, try setting to S3 or something simple.

Gibber8 · Answer

@Tesla1856​ according to powercfg the only sleep state available is S3 which is what it is currently set to.

Dell Pro Desktops

Tower ECT1250, slow resume from sleep mode

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