Unable to enter maintenance mode - dtrt1000

Over the last few weeks my box is almost useless. With frequency it only part records, freezes requiring rebooting, momintary screen blanks, and is generally a pain in the rear. I've tried to get into maintenance mode to try and reset it, but following the guide from Youview it doesn't work, and the box just starts as normal.
My understanding is that you (1) Switch the box off from the back (2) Switch it back on after 30secs (3) Press the power button and immediately hold of the -vol button until the splash screen appears...Then you can access the menu.
I've tried holding the holiding the -vol button before the power button, holding it immediately after power button, holding it until the nearly ready screen, in low and high eco modes etc but get the same result, it just goes straight into normal programes???

1 Start with the YouView box powered off from the switch on the REAR panel power button
2. Power back on the YouView box using the REAR panel power button
3. When the FRONT power button is illuminated with an orange circle, press the FRONT panel power button firmly once and it will turn blue
4. Immediately press and hold the "VOL-" button which can be found on the right of the FRONT panel the first silver button.
5. A message saying "Enter Maintenance Mode Y/N (Y: POWER)" appears on the TV screen
So if I understand correctly your experience is that steps 1, 2 & 3 occur but when doing step 4 the message step 5 (does not occur ) and your box boots as normal.
My own (historic ) experience is that the timing of stages 3 and 4 is quite tight - ie the power button turning blue followed immediately by the VOL- button being pressed and held.
Your options if the maintenence mode will not work are to contact BT support and seek their advice or if you are not concerned about the recordings remaining on the box you can do a factory reset from from main Youview menu
https://community.youview.com/youview/topics/top_tip_soft_reset_reboot_power_cycling_maintenance_mod...

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Hi Carl. I was unable to find com.apple.AutoWake.plist in my
system. Deleting com.apple.PowerManagement.plist didn't
help.
I decided to try your open firmware instructions. I like the
boot loader. It reminds me of the Sun's boot monitor.
I did the reset-nvram, set-defaults, reset-all. It didn't
help though.
I don't think it is my power supply, either. The reason why I
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to audio CD just fine. My sleep problem would only occur
when I try to rip an audio CD. I can assure you that I draw
plenty of power just playing a DVD movie.
My guess is I have a power management configuration
issue or a hardware problem. Since this has a Unix core
underneath, I started poking around in the usual places
for log files. I found the familiar /var/log and stumbled
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that caught my eye.
Aug 17 01:06:19 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Doing a 'grep overtemp system.log', I got the following:
Aug 17 01:04:13 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:04:37 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:04:56 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:05:37 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:05:51 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:00 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:13 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:19 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
If you look at the time stamp, you'll see that each event
is only a few seconds apart. This matches with what
I was seeing. Machine goes to sleep. I press the power
button and it wakes up and goes back to sleep. One
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of it is to quit iTunes and to eject the CD.
Yes, I did install the Xcode 2 development kit that came
with the Mini MAC OSX setup. I eventually want to write
software for the Mac. So, I most likely installed the
CHUD tools package that you had mentioned.
I think the equivalent command line command for
disabling the nap feature is 'hwprefs -v cpu_nap=false'.
When I do that, I get the overtemp event and my mini
goes to sleep. Zzz.
In any case, my mini seems to be detecting false overtemp
condition. Either I have a bad temp sensor or my power
management overtemp threshold is set way too low. It's
possible encoding audio CDs is enough to heat up the
PPC core, but it happens way too fast. I'm thinking my
temperature sensors are not set correctly. If anyone has
schematics for the mini, it would most likely be a Dallas
temp sensor chip. I'm not ready to open up my mini yet
since it is still under warranty. I'll take it in the Apple
store in Walnut Creek this weekend.
Anyway, thank you guys for all your help. I found my
experience on this forum to be quite pleasant. People
here are very helpful.
Jim

Unable to enter maintenance mode - dtrt1000

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