When operating system errors occur, they are, in most cases, relatively easy to resolve. As a last resort, you can always reinstall the distribution, which will lead to a complete healing of the computer (if the problem is software). It’s another matter when the user encounters problems at the hardware level and with programs that ensure the operation and interaction of the equipment. One of these, for example, is the error EFI Network 0 for IPv4 boot failed no one will be able to figure out what to do with it without turning to the appropriate information sources.

What is this error EFI Network 0 for IPv4 boot failed on Lenovo laptops

« Error: EFI Network 0 for IPv4 boot failed" is a system message in which the user is informed that an attempt to boot over the network using the fourth version of IP protocol failed. Actually, this is not surprising, since regular users PCs boot from hard drive, and those who spared no money to purchase solid state drive– with SSD.

This message can only be seen by owners of Lenovo laptops, since on other computers it calls it a little differently.

The corresponding error may appear for many reasons, for example, as a result of flashing the BIOS or careless work of the user in the corresponding " engineering menu».

What and how to do to fix the EFI Network 0 for IPv4 boot failed error

There are several options here. First, Lenovo laptop owners should try resetting the BIOS settings to default. This is done like this:

1. Turn on the laptop;
2. Wait for the start boot screen (not the OS, but the computer (usually it shows the Lenovo logo);
3. Hold down the Fn+F2 keys for a second.

On a number of Lenovo laptops, pressing these two keys simultaneously will reset BIOS settings. If this happens, then after the next reboot the operating system will begin to load.

If the appropriate actions do not lead to the desired result, you should do the following:

1. Turn on the laptop;
2. On the start boot screen, press F2 or Del (depending on the laptop model);
3. In the “engineering menu” that opens, go to the “Boot” tab;
4. Select “Boot Mode” and press Enter;
5. Select “Legacy” from the list that appears;
6. Go to the “Exit” tab;
7. Select "Save and reboot".

After the laptop reboots, the operating system should start loading, and the “EFI: Network 0 for IPv4 boot failed” error should no longer bother you.

If these actions did not lead to the desired result, then in the BIOS you will also need to find the “1st boot device” item, which you will need to expand and select HDD + (name of the hard drive). This will tell the computer which device it should boot from first. Therefore, it will stop trying to boot from a network in which the user, for obvious reasons, does not have a bootloader and system.

It should be noted that items and tabs in the BIOS may have different names (this depends on the computer model).

In contact with

Question: Messages ">>Checking media presence >> media present..... >>start PXE over IPx4." at boot

Answer: disable network boot in bios. (first boot device should be HDD)

Good day.
Build a new computer
i5 7500
gtx 1060 6gb
8gb ram
new 600 watt power supply
msi 250
, I left the old tin, like a seagate 7200 500gb

I installed win 10 pro and got a strange effect.
1) the computer takes a long time to turn on (a minute or a minute and a half)
2) after turning on the computer, for about 10 minutes - 100% disk load and small brakes in addition with huge noise from this very disk, in the task manager not a single program loads more than 10-20 MB, while the load is indicated as 100% (before the dance with a tambourine and disabling all services, rechecking chkdsc /f /r, which took countless hours, and the effect of fragmentation was 30-40 minutes after switching on) that is, after some time the load drops completely, to 0-5%
Question: how to remove 100% disk load after switching on?
Thank you in advance!

Answer: Personally, I would start by finding out whether the hard drive is loading because the system is simply being updated. And if this is so, then I would decide what is more important for me: update or speed.

Well, I would replace the cable, they already wrote that to you.

Question: How to remove a selection boot disk during startup?

Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 12.2(25)EWA6, RELEASE SOFTWARE (fc1)
Technical Support:
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Fri 02-Jun-06 15:20 by ssearch
Image text-base: 0x10000000, data-base: 0x114ED458

ROM: 12.1(20r)EW1
Dagobah Revision 95, Swamp Revision 28

GW uptime is 2 years, 27 weeks, 2 days, 14 hours, 42 minutes
System returned to ROM by abort at PC 0x0
System restarted at 01:03:17 TJK Mon May 6 2013
System image file is "bootflash:cat4000-i9s-mz.122-25.EWA6.bin"

Cisco WS-C4503 (MPC8245) processor (revision 7) with 524288K bytes of memory.
Processor board ID FOX0802004B
MPC8245 CPU at 333Mhz, Supervisor IV
Last reset from Abortion
23 Virtual Ethernet interfaces
26 Gigabit Ethernet interfaces
403K bytes of non-volatile configuration memory.

Configuration register is 0x2102

From the screenshot you can see that the processor is loading the Cat4k Mgmt LoPri process. Is it possible to correct this situation?
Basically the processes K2 Packet Memory Dia and K2AclCamMan Audit re download. What are they responsible for and how can the situation be corrected?
Thank you in advance for your help.

Answer: Well, actually, you can try the options for K2AclCamMan Audit re which are offered in these docks:
according to the 1st link it is to change the TCAM algorithm to scattered
on the 2nd link, there is a list of sequential actions (Solution section), provided that you have the error %C4K_L2MAN-5-ROUTERMACADDRESSRXASSOURCE:Packet received with my own MAC address () as source on port in vlan error message in your logs.

On my own behalf, I’ll add that if the problem is in K2AclCamMan Audit re (and this is TCAM, QOS, security), then it’s better to clean up the config, remove/optimize ACLs, review QOS policies, look for internal loops, and loops in general, perhaps there are hosts with the same poppies or the MAC address table is overflowing. There are a lot of options here, they can be both software and hardware. And of course, update the software to the latest recommended for your hypervisor.

Question: Windows 7 does not start after changing the motherboard (STOP 7b error, booting from disk or flash drive does not work)

Answer: Most likely the mode is uefi and the bootable flash drive should also have uefi.
There should also be a fast boot mode; it most often skips all connected devices to speed up loading.
its off
or turn off this mode and install a regular axis.

Question: Black screen on boot

Answer: It helped using this method)
Recovery from hard drive during boot
1. Turn on your computer and while booting up, press +
. A screen will open asking you to select a layout.
keyboards.
2. Several options will be offered. Select
Troubleshoot (Diagnostics).
3. Click Refresh your PC or
Reset your PC.
4. Click Next. This process will take a few minutes.
You can close!!!

Question: When the computer boots, the message appears (see photo) ddr at rows 0 1 2 3

So, after looking up the problem on the Internet, I took out the BIOS battery and put it back.
It worked once.
Then it wouldn't turn on again. Then it didn't help.
It stayed for a month. Turned on. Then again. Then no.
Then I tore out half of the cords in the system unit and inserted them back. Turned on then no.
Now I'm tired of it. I'm writing here

Answer: My opinion is that this line has nothing to do with it...
And it's ALL about the hard drive and the Microsoft bootloader, which freezes the download... Due to a logical error in partitioning the hard drive, an endless loading cycle results.

Dealing with this is quite simple. You need to launch MHDD and execute console command CLRMBR
After this, you can start testing the hard drive and recovering data...

Question: Gigabyte GA-Z87-D3HP black screen on boot

Answer: plywoods, in the BIOS select built-in. video if the cable is connected to the mat. board, or discrete VC, if the cable is included in the discrete

Message from plywoods

costs Windows 8

Windows 8 should still work in UEFI mode if the very mode is enabled in the BIOS fast loading, in which you cannot get into the BIOS when you turn on the computer and the BIOS will not display anything on the screen at all! You need a utility from mat. boards, the bark works from under running system and there is a function there that is something like Reboot and enter BIOS. And then in the BIOS, disable the very fast boot mode

"Start PXE IPv6/IPv4. Click to exit."Is the message black screen which occurs mainly on laptop VE ( DELL, Toshiba, Lenovo, ACER, Asus), but sometimes PCs are not exempt from this.

Taken by many as an error message Windows 7, Windows 8, Windows 8.1 or Windows 10"Start PXE IPv6/IPv4"Is it really Announcement who has not the slightest contact OS This happens almost immediately after a reboot or after the computer is turned on.

What does PXE mean?

PXE They are the initial Pre-Execution Environment, In the language of IT he reads " fairy"And they represent loading method / Bootstrap computer from painting from internal network (LAN). To be precise, using PXE boot laptop can or PC image a OS,The condition is that this image will be stored on LAN Hard disk On older systems this option is also called or.

How can we run PXE over IPv6/IPv4 and run the operating system.

Usually, BIOS laptop PDA or PC is installed in this way, list download priorities(Order of boot devices or Boot priority option) Either: CD/DVD, HDD , or PXE Due to changes in the BIOS, it is likely to install and when starting up, your laptop is waiting for an image to load or network/internet operating system. To change the boot order you will need to go into the BIOS and search for " Download priority". To access the BIOS you must first Turn off your computer everything(Laptops Off "Cold" is tintand power button for a few seconds. 10-15 seconds). after launch Reptiles key press F2, F12, F8, Del or Esc, This key may change depending on laptop model For example, vault your laptops Toshiba key to access BIOS is F2 and the menu key directly enter F12 Download priority where you can choose the boot order, without having to enter the BIOS.

Once inside the BIOS and arrived at Boot Priority Menu, Select the first block HDD/SSD or CD/DVD If you want to install the operating system on DVD in the future. Once you have made these changes in order to upload, press F10 To save changes and restart your computer. If you installed as first boot HDD or SSD Then it will download automatically after launch Windows The PDA is installed on your system.

If you boot the system from the HDD or SSD first and the message Start PXE IPv6/IPv4 appears again at startup, signs for concern. Regardless of the operating system has a serious problem and cannot be restarted. In this situation it is mandatory to repair the system Windows DVD installation, or worse... HDD The PDA or SSD has a problem and cannot be read. or try reinstalling the operating system DVD/USB Flash and check if the hard drive is visible installation or use Live Linux system or Live Windows (through Hiren for example) in which check state of hard disk Achievements on your laptop/PC.

Start PXE IPv6/IPv4. Click to exit.