Dell Inspiron 3000 11" (3147) Wi-Fi dropped off, 5 beeps 4 times on boot - WTF?

Question

Iron

There is a laptop Dell Inspiron 3000 11 "(3147).
At startup, beep code sounds - 4 times 5 beeps each.
Everything starts, but there is no wireless network. I did not find a network card in the device manager. I
suspect that it has died. When physically disconnected map is the same, which partially confirms my
version.I didn’t find information on such a beep code on the network.I asked a question on the DELL forums, but there is no answer yet, and highly qualified Indians usually answer similar questions about 5 beeps x 4 times with a quote from the manual "5 beeps = Dead RTC battery", only here there are not 5 beeps, but 5 * 4 = 20, and the battery is the most alive with a voltage of ~ 3v with a little.
I don’t understand laptop hardware, the card looks like this:

Questions:
1. Does anyone know what the beep code means 5 beeps repeated four times with a short pause?
2. Is there any way to reliably determine whether the network card of the laptop is working without any special difficulties and special equipment?
3. If it is still faulty, how to find a replacement for it? More specifically, (a) what type is it, and (b) would any card of that type work, or should I pick specific cards?

Answer 1

If there are no other problems (with USB, WEB, tachpad), then the radio module is dead. DELL has a wyte list BIOS, so you can't put "any" module there. If there is no marking on the reverse side, then you need to decipher the barcode and look for just that one or ask for compatibility from the Indians. Good luck.

Answer 2

Similar problem with. 5 beeps with a short interval in a loop until the axle is loaded. the problem with the wifi module appeared, the battery is in excellent condition.
I already thought that the khan's processor ... how to make it not squeak?