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Windows 7: Fresh install - black screen

01 Jul 2016   #1
RogerR

7 x64 Ultimate
 
 
Fresh install - black screen

Daughter's Samsung laptop.

Performance was r e a l l y slow and getting slower.
Did a fresh W7 install.
Worked well for a while but with occasional delays. Then progressively worse. Now a boot into safe mode may take an hour to complete.

Obviously this makes diagnostics extremely painful. I checked the HDD before the install and recall it had a bad sector that was repaired. Unfortunately this laptop requires disassembly to replace the HDD. (WHY do they do that!?) Since the issue happens even when stone cold, I don't think its heat related.

Looking for suggestions and a place to start.


My System SpecsSystem Spec
.
01 Jul 2016   #2
RogerR

7 x64 Ultimate
 
 

Startup Repair

Repair Action: System files integrity check
Result: Failed. Error Code : 0x490
Time taken: 980654ms
My System SpecsSystem Spec
01 Jul 2016   #3
axe0

Windows 10 Pro
 
 

Hi RogerR,

Could you provide some specs of the laptop?
How old is the hardware?

Since disassembly can be difficult sometimes I'm not asking to check this, do you know if there is a possibility for a large amount of dust present in the laptop?
My System SpecsSystem Spec
.

01 Jul 2016   #4
RogerR

7 x64 Ultimate
 
 

8GB RAM, 750MB HDD (Samsung HN), Slot load DVD

I recall it is about 3 or 4 yrs old. The first owner claimed it never left his desk, my daughter has had it for less than a year (school and back). It is a pretty tight unit - no removable battery and little back venting - so not much opportunity for dust collection (nor places to blow it out). It does not feel very warm to the touch.
My System SpecsSystem Spec
01 Jul 2016   #5
axe0

Windows 10 Pro
 
 

Due to the age there may be a few things causing the problem,
CPU,
RAM &
hard drive.

To start I would like to see a benchmark & SMART of the hard drive



Fresh install - black screen Diagnostics Test Fresh install - black screen
 HDD TEST

Run HDTune to
  • check the health,
  • benchmark.
It may take some time, but please take the time you need to perform it properly.
When above is done please make screenshots of the following
  • the health,
  • the benchmark incl. following
    • transfer rate,
    • access time,
    • burst rate,
    • cpu usage.
My System SpecsSystem Spec
01 Jul 2016   #6
RogerR

7 x64 Ultimate
 
 

Running Chkdsk/f from Safe mode:

File record segment 3276, 3277, 3278, 3279 is unreadable.
My System SpecsSystem Spec
01 Jul 2016   #7
RogerR

7 x64 Ultimate
 
 

Health and benchmark


Attached Images
Fresh install - black screen-clipboard01.png Fresh install - black screen-clipboard02.png 
My System SpecsSystem Spec
01 Jul 2016   #8
axe0

Windows 10 Pro
 
 

The CRC is abnormal high, may be another indication towards the hard drive.
My System SpecsSystem Spec
01 Jul 2016   #9
RogerR

7 x64 Ultimate
 
 

Error scan


Attached Thumbnails
Fresh install - black screen-clipboard03.png  
My System SpecsSystem Spec
01 Jul 2016   #10
RogerR

7 x64 Ultimate
 
 

Quote   Quote: Originally Posted by axe0 View Post
The CRC is abnormal high, may be another indication towards the hard drive.
I decided to invest in a new HDD. If that doesn't fix it, I guess I will trash it. Maybe it's a race to the bottom as so many users switch to phones, but laptops really are junk these days.
My System SpecsSystem Spec
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