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Last post Author Topic: No video after resuming from sleep - Windows 10 Anniversary Edition  (Read 2554 times)

4wd

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #25 on: January 31, 2017, 07:00:47 AM »
Maybe I'll give the Anniversary Update another go again, who knows, it might decide to work on my machine.

Re. the monitor, first thing I usually think of when anyone mentions a TV, monitor, computer, or such needs to "warm up" before it works properly is the electrolytic capacitors in the switchmode PSU, (or main board),  have started getting way out of spec due to age.

Can be replaced easily enough if you're competent with a soldering iron but there are some lethal voltages lurking in the PSU, especially the discharge from the main capacitor.

Salvaged plenty of things just by replacing the capacitors in the equipment, spending <$20 and an hour or so has always been preferable to spending a lot more to replace the equipment, eg. salvaging a discarded complete Dell XPS730 by replacing 5 capacitors on the motherboard  :D

mouser

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #26 on: January 31, 2017, 08:15:19 AM »
ive had dying monitors that had similar behavior.
eventually they stop working.

skwire

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #27 on: January 31, 2017, 08:46:46 AM »
Salvaged plenty of things just by replacing the capacitors in the equipment, spending <$20 and an hour or so has always been preferable to spending a lot more to replace the equipment

This.  I've done the same to many a monitor/TV/motherboard over the years.

rgdot

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #28 on: January 31, 2017, 11:07:33 AM »
Failing to come out of sleep has been happening to me, ever since anniversary too, may be even before anniversary actually. I blamed it on it being an Windows 7 era Vaio not officially Windows 10 supported. Have been doing same thing as no sleep, only shutdown or on.

Not to hijack, but if anybody reading this has any advice for my version would be appreciated.

Screenshot - 1_31_2017 , 12_04_28 PM.pngNo video after resuming from sleep - Windows 10 Anniversary Edition




Deozaan

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #29 on: January 31, 2017, 01:56:25 PM »
Can be replaced easily enough if you're competent with a soldering iron but there are some lethal voltages lurking in the PSU, especially the discharge from the main capacitor.

I'm usually glad to take things apart and tinker with them. But I decided I'd better not ever mess inside of monitors when I learned about those lethal voltages.


Shades

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #30 on: January 31, 2017, 07:24:37 PM »
Wasn't this high voltage thing a thing from the past? CRT monitors/TVs needed 10.000Volts to get the system started, but I thought that such high voltages aren't required for LCD-/LED-based monitors or TVs.

Of course, a jolt of 220-240 volts or 110 Volts isn't fun either...

4wd

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Re: No video after resuming from sleep - Windows 10 Anniversary Edition
« Reply #31 on: January 31, 2017, 11:24:04 PM »
Wasn't this high voltage thing a thing from the past? CRT monitors/TVs needed 10.000Volts to get the system started, but I thought that such high voltages aren't required for LCD-/LED-based monitors or TVs.

You're correct, it's not high voltage as such, being below 1000V it's technically low voltage but still hazardous/lethal.

The main capacitor of a switchmode PSU can discharge around 350-400V, it's usually the biggest and closest to the AC input, can be anything around 220-400uF.
« Last Edit: February 01, 2017, 01:56:22 AM by 4wd »