Inspiron

Last reply by 10-13-2022 Unsolved
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Inspiron 7501 USB-C Thunderbolt port is actually useless for charging ? !!

Hi, 

I recently purchased an Inspiron 7501 With a Thunderbolt3 Port. This laptop has the Nvidia 1650Ti and comes with a 130W power brick. So, the laptop requires 130W to charge and run. 

After studying a lot of Dell manuals and docks and other threads in this forum, it seems to me that the Thunderbolt/USB-C port for charging is pretty much useless on this laptop. Here's why - 

The main issue is that Inspiron 7501 laptop requires 130W on the USB-C/Thunderbolt port. 

1. As per my understanding, there is no third party Thunderbolt3 / USB-C dock that supports 130W charging. Apparently the Specs of TB3/USB-C PD limits this to 100W.

2. Dell supports 130W charging on USB-C/TB3, apparently, in a proprietary manner. So, one would have to depend on a Dock made by DELL. (Fair enough, but see below.)

Here's the catch though - Dell TB3 Docks don't claim support for Inspiron laptops though the Dell WD19TB thunderbolt dock does support 130W on its output TB3/USB-C port. This dock is meant for selected models of Latitude, XPS and Precision business laptops. Not supported for the Inspiron. 

Catch 22 - I cannot buy a third party dock because none will give 130W due to the spec limitations. The only one who can actually make a compatible 130W TB3 dock is Dell due to a proprietary implementation, but DELL officially does not support this dock (or any dock ?) for the Inspiron 7501. So, it would seem to me that there is no way to charge my laptop on USB-C/Thunderbolt port while connected to a 4k60 monitor.

So, I'm STUCK !!

So, if a Dell WD19TB dock is connected to an Inspiron 7501, will it charge and support a 4K60 monitor ? 

No one from Dell is forthcoming with a proper answer. Dell support re-directs me to Sales because this is not a 'technical issue'. Sales guys were not reachable. 

(I have a DELL 27inch USB-C monitor that delivers 90W. The Inspiron 7501 will not charge on this monitor, but my office laptop (non-Dell) rated at 60W charges and gives me 2K60 and 4K30 on display via single USB-C.)

My conclusion is that the USB-C/TB3 port can only be used as a DisplayPort 1.4 (USB-C/DP1.4) on the Inspiron 7501. The PD/Charging part seems USELESS for this model. (Ya, you can probably connect a TB3 storage device but that's not my use case.) 

My opinion is that DELL needs to clarify their position on this issue. By going with a proprietary implementation to support 130W on the USB-C / TB3 port Dell has severely limited any practical use for the TB3/USB-C port for charging and limiting consumers from depending on third party docks. In my opinion, the claim to be able to charge the laptop on USB-C/Thunderbolt is not quite accurate. A lot of fine print seems to apply here.

I'm inclined to believe that I may have over paid for this laptop for TB3 support. 

How can DELL help me ?

Recommend me a 130W dock that will charge my Inspiron 7501 on USB-C/Thunderbolt and support a 4k60 10-bit monitor. 

Regards,

 

 

 

 

Replies (20)
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1938

Thank you for reaching out to us. I see my colleague has already replied to your query via Private Message. Please check the Private Message and continue.


#IWork4Dell
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1934

Yes, your colleague replied (for another thread topic, not this one) with a list of DELL laptops compatible with WD19 series of docks. None of them list the Inspiron series of laptops. 

My question is simple, can I charge my laptop over USB-C Thunderbolt port ? What do I need ? 

 

1932

This model doesn't have USB charging support. You can find full specs of USB-C port on page number 6-7. 

https://dell.to/2KSGAyo;


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1930

Hi,

I cannot open the link. I get a 404 file or directory not found error. 

 

Regards

 

1929

Please try this link below.

https://dell.to/37J5oSq


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1767

The following link suggests that the laptop can charge over USB-C/TB

Inspiron 15 7500 Slim Laptop with Dell Cinema | Dell India

 

1781

It varies with different model The model you have doesn't have the USB-C charging.  


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1944

In the document you refer, please see Page 12, Table 6. 

"One USB 3.2 Gen 2 (Type-C) port with Thunderbolt/
DisplayPort/Power Delivery (for computers shipped with
NVIDIA GeForce GTX 1650 Ti) "

This usually means one can also charge the laptop because the port is PD capable. 

1943

Please reply to us via Private message to address all your concerns. 


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If still under warranty, click the "Get help now" icon on the right to start a live chat session. To send us a private message, click our DELL-Cares username. Our Forum profile page will then appear. On the right, click "Send this user a private message".

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