Lenovo notebook Y7000 2019 boot screen repair

Lenovo notebook Y7000 2019 boot screen, found that the graphics card model is 2060, drive exclamation point, error 43. After removing the main memory, everything will be easier. Deal with the pad first, and then solder the new memory.

Machine model: Lenovo Lenovo, Y7000 2019

Fault description: notebook boot screen

Maintenance process:

The failure of Lenovo Y7000 2019 is the boot screen. After getting the machine, turn it on first and find that there is a flower screen at the LOGO. Although the screen is on, the machine can enter the system normally and the speed is quite fast.

Lenovo notebook Y7000 2019 boot screen maintenance Figure 1

Open the device manager, and find that the graphics card model is 2060, with an exclamation point and an error of 43. These conditions are more in line with the current fault phenomenon.

Lenovo notebook Y7000 2019 boot screen maintenance Figure 2

People with maintenance experience are familiar with this kind of fault, which is usually the core or obvious memory problem. This obvious failure of the screen, as long as it is not a big program screen crash, is still relatively easy to handle.

Ordinary MATS can basically detect faults, without using MODS, testing too many items and overclocking. Find a USB flash drive of MATS and run it automatically, and you can get the test results. (The test results are shown below)

Lenovo notebook Y7000 2019 boot screen maintenance Figure 3

Obviously, the low address bit of channel C is reported incorrectly, that is, the last video memory is broken. Start disassembling the machine and put it on the heating platform; At the same time, prepare a new SAMSUNG GDDR6 memory, and preheat the memory by the way.

Lenovo notebook Y7000 2019 boot screen maintenance Figure 4

The warm-up time is about 2 minutes. At this time, touching the motherboard will feel hot and you can start to remove the memory. It should be noted that this video memory is sealed with vinyl, so be careful not to blow the video memory next to it, or it will take more effort.

Lenovo notebook Y7000 2019 boot screen maintenance Figure 5

After removing the main memory, everything will be easier. Deal with the pad first, and then solder the new memory. After the installation, restart the machine and enter the system, and you can see that the equipment is running normally. Fault maintenance completed.