Hp Rtl8723de Motherboard

[Ma Layssard]

Thatlooks like a possible memory error.

Reinstall with a version that does not give the error. Then use a live boot memtest86+ device and run a thorough test of the ram. Let it run at least overnight to see what errors it will give. It may also be something else related to the CPU or memory or motherboard, but will require some testing to identify it.

One common thing that happens is a little bit of oxidation on the contacts of the RAM chip. That can often be fixed by simply removing the RAM chip and cleaning the contacts along its edge with an eraser, then reinstall it.

Finely had time to run memtest86

It ran for over 12 hours 7 passes with no errors

I even took them out and switched them around before the test

I even took the nvme and wifi out and back in before the test

What does not make sense to me is I do not get the hardware error with a live usb or a fresh install and it boots fine

It only happens after I update

Both live USB and fresh install of both F36 and F37 give no errors

This is not my laptop

When they upgraded from F36 to F37 it must have pulled in the 6.1 kernel and they got the error and the boot loop

Had to use the 6.0 kernel boot into the desktop

Hello... This issue has been already escalated throughout the web in the past few months, but no solution is found, and there is no word from DELL on fixing or even trying to fix this. The issue is (and judging by reports it affects mostly DELL...

I would suggest that you gather all the info you have about the kernel, the wifi card, drivers, and the boot issue then file a bug report.

Since it works with the 6.0 kernel but not the 6.1 kernel(s) then it seems a regression in the kernel and would seem that a bug report is needed.

We saw in the service management section how to stop or disable a service, but systemd also has the ability to mark a unit as completely unstartable, automatically or manually, by linking it to /dev/null. This is called masking the unit, and is possible with the maskcommand:

I checked the battery and the power adapter they are Ok , after searching to solve this issue I found that this issue is common with Dell laptops, I have got Dell laptops twice my experience with them is bad despite that they are expensive, the first one broke before years, so I bought laptop from another brand then after few years before two years I bought this Dell laptop Inspiron 15 5567 unfortunately I got this issue which is common.

I checked the electronic components on the motherboard and found in the power circuit that the smd transistor PQ6 is broken (its part number is 702) so I replaced it with the available compatible smd transistor (S72), that solved the problem, please see the attached picture.

Those parts are generally unavailable in single units -- unless you're looking to buy thousands of them and are located in Southeast China. If you're sure that part is faulty, your best bet is to find someone selling a board that failed for some other reason and salvage the part from the dead board.

My dell latitude 5480 do not charging with original charger. I think problem is in PD4 component, but i am cannot identity this element. Can you ask what element can replase this element.(on photo two dell latitude 5480 laptops first normal, second do not charging)

If you have old broken laptop, most probably you can find the same transistor or a replacement inside it, specify the similar transistor like the broken one, then search for a data sheet based on the number written on it, compare the specifications in the data sheet with the specifications of the original component.

Hi Sanchotuit, I have the same problem but I dont have an other laptop to compare. Did you manage to measure electrically PD4 to know the internal diode configuration? in that way, I can easily find something equivalent. I didn't find anything using the serial number on the good one of your picture.

I have searched that transistor but couldn't find a thing, please help me to find its compatible transistor so that i can replace. As, its kinda new and im afraid its another faulty motherboard is hard to find in the market.

As for your Ethernet throughput issues, they don't make much sense. I would first be looking for a driver issue (try uninstalling and then reinstalling). If that doesn't work out, you could try adding an PCIe Ethernet card. For example, TP-Link TG-3468 Gigabit Ethernet PCIe Network Card or Realtek RT8111C Gigabit Ethernet PCIe Network Card.

Thank you so much,

About the Intel Centrino Wireless-AC 3160 + Bluetooth 4.0 card, how may I know which type is it -

3160NGW? Or 3160HMW?

As for the Ethernet, it is much slower, see the details from @megan3000 answer.

Regarding the low speed with Ethernet, when I checked online for this laptop model Inspirion 5559 I can see it just comes with a "fast ethernet" controller (10/100Mbps)... so comparing this with the Max speed of the AC 3160 (around 400Mbps) it would explain the difference in speed... And thus, I think this doesn't look like a driver issue...

Because this is a laptop, it won't be possible to install the PCI Express Network Card, but, your laptop has one USB 3.0 port, so you may use it to plug in a USB to Ethernet Adapter. Look for one that is 1.0Gbps (1000Mbps) or 2.5Gbps... There are a variety of options out there. As an example, I'm sharing the first result I got searching one of these on amazon

Remember, to achieve Ethernet gigabit speeds, your network cable needs to support it. Although it is said that "good quality" UTP cables cat 5e should do the job, I would go for a UTP cable cat 6

Thank you Megan for your answer !

Is your solution for the USB to Ethernet Adapter is because the Ethernet came on the motherboard ?

Maybe a silly question but should I replace to a newer motherboard (?) is that possible ?

As for the wireless card (my internet package speed is now 1GB), I read today from an answer in *2018-20 that I should use Wireless-AC 8265 or 9260 / or the AX200.

Megan is correct; I totally missed the 10/100-only Ethernet. I assumed (poorly) that with GB Ethernet shipping for a couple of years beforehand, no solution, however cheap, would stick you with only 10/100 support. Me bad.

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