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Blue Screen Again
Posts: 1
Registered: ‎01-12-2018
Location: SG
Views: 588
Message 1 of 2

Idepad510s won't boot

Hi, i have an ideapad 510s and basically this is what happened, all of sudden the blue "something went wrong screen" and it tries to restart. After which, the lenovo logo appears and after which checking media appears and after waiting roughly about a minute or so the error message "default boot device missing or boot failed" shows up, I tried pressing ok and i chose Windows Boot Manager(LITEON CV3-DE256), I pressed on it and it seemed to start normally untill that blue screen appeared again and I tried the entire process again but instead this time it takes me to checking media .. and sometimes displays checking media failed, i have done this more than 20 times if I recall correctly but it wont just boot, if it does, the blue screen would appear and i have to start the process all over again, at one point the blue screen of error seemed flushed out in colours, i suspect this is a graphic card issue, i really need help quickly on how to fix this, please. Thank you. 

Lenovo idepad510S

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 485
Message 2 of 2

Re: Idepad510s won't boot

Hello N350xwb

Thanks for using the Lenovo forums.

If it has trouble finding the boot device, that would more often than not indicate a HDD fault, which would also explain the booting issue.


I`d recommend that you try a factory reset if you are able, and see if the issue persists, if it does, it would mean that there is hardware fault at bay.

Note: Please back up all your data as running this reset will delete any data on your machine

1. Turn the machine off and press the recovery button which is located usually next to the power button. If you have a desktop machine you will need to power the machine back on and keep tapping the F2 key.
2. Use the arrow keys and press enter on system recovery. ( Desktop users can skip this)
3. Select “restore from the initial backup” and then “Next”.
4. Click “start” and accept the warning messages.
Length of time can vary depending on the speed of the machine.

 If these steps do not work I would recommend, that you call your local Lenovo support line for a possible service. Below is the link to the phone list where you can find these numbers


Hope this helps, let us know how you get on.

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