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Hi,

Using a Hauppauge HVR4400, when I try to tune a channel, I get "No Signal".
If I look into the log file, I see
[code]

Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning.
[/code]

It also accurs when I try to scan channels, but not all the times.

[code]
2012-09-21 13:11:49.620663 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1
2012-09-21 13:11:49.622662 [(18)]: Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning.
[/code]
Sometimes, it goes just fine
[code]

2012-09-21 13:14:20.307543 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1
2012-09-21 13:14:20.669543 [(18)]: dvb:Submiting tunerequest Channel: subChannel:0
[/code]
These two log segments were created during the same "Scanning for new station" session.
I scan 19.2°E Astra sat.
tp 1->21 doens't work
tp 22->65 OK
tp 66->103 doesn't work
After the scan, if I try to preview a channel I get the "No Signal Detected" message and the "A device attached to the system is not functioning." in the log even I the channel I try to preview is on a transponder the was successfully scanned a few minute earlier.
You can fin the TV.LOG attached. I contains
- Open setupTV
- Scan for channel on diseq SimpeB
- try to preview "La Deux"
I use the last available Hauppauge driver and I have no problem at all in ProgDVB.
Thanks for your help

<blockquote data-quote="Jean-Christophe" data-source="post: 917541" data-attributes="member: 13248">Hi,&nbsp;Using a Hauppauge HVR4400, when I try to tune a channel, I get &quot;No Signal&quot;.If I look into the log file, I see[code]&nbsp;Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning.[/code]&nbsp;It also accurs when I try to scan channels, but not all the times.&nbsp;[code]2012-09-21 13:11:49.620663 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1 2012-09-21 13:11:49.622662 [(18)]: Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning.[/code]Sometimes, it goes just fine[code]&nbsp;2012-09-21 13:14:20.307543 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1 2012-09-21 13:14:20.669543 [(18)]: dvb:Submiting tunerequest Channel: subChannel:0 [/code]These two log segments were created during the same &quot;Scanning for new station&quot; session.I scan 19.2°E Astra sat.tp 1-&gt;21 doens't worktp 22-&gt;65 OKtp 66-&gt;103 doesn't workAfter the scan, if I try to preview a channel I get the &quot;No Signal Detected&quot; message and the &quot;A device attached to the system is not functioning.&quot; in the log even I the channel I try to preview is on a transponder the was successfully scanned a few minute earlier.You can fin the TV.LOG attached. I contains - Open setupTV- Scan for channel on diseq SimpeB- try to preview &quot;La Deux&quot;I use the last available Hauppauge driver and I have no problem at all in ProgDVB.Thanks for your help <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="Jean-Christophe, post: 917541, member: 13248"] Hi, Using a Hauppauge HVR4400, when I try to tune a channel, I get "No Signal". If I look into the log file, I see [code] Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning. [/code] It also accurs when I try to scan channels, but not all the times. [code] 2012-09-21 13:11:49.620663 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1 2012-09-21 13:11:49.622662 [(18)]: Hauppauge: SendDiseq returned: 0x8007001F - A device attached to the system is not functioning. [/code] Sometimes, it goes just fine [code] 2012-09-21 13:14:20.307543 [(18)]: Hauppauge: SendDiseq: 0xE0 0x10 0x38 0xF4 0x4 0x0 0x3 0x1 0x1 0x3 0x1 2012-09-21 13:14:20.669543 [(18)]: dvb:Submiting tunerequest Channel: subChannel:0 [/code] These two log segments were created during the same "Scanning for new station" session. I scan 19.2°E Astra sat. tp 1->21 doens't work tp 22->65 OK tp 66->103 doesn't work After the scan, if I try to preview a channel I get the "No Signal Detected" message and the "A device attached to the system is not functioning." in the log even I the channel I try to preview is on a transponder the was successfully scanned a few minute earlier. You can fin the TV.LOG attached. I contains - Open setupTV - Scan for channel on diseq SimpeB - try to preview "La Deux" I use the last available Hauppauge driver and I have no problem at all in ProgDVB. Thanks for your help :-) [/QUOTE]