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Computer lagging after cleanup

Keneve

Reputable
Dec 3, 2014
19
0
4,510
Some years ago i bought a new computer for gaming. I got no lag at anything and it runned almost any game at ultra high specs without lag. I got some problems with it and some months ago i formatted it and replaced a 2gb ram that was causing the problem.
Everything was OK,but then i installed some games that i used to play like garrys mod for example,but,i got 10 fps on every game i used to play at 60 fps. I have no idea of the problem. I never got any type of lag,but after formatting my computer i am getting really annoying lag.
PC Specs:
Processor- AMD Athlon(tm) II X3 445 Processor
Video Card- ATI Radeon HD 4600 Series
Memory- 2.1 GB
ps
Operating System- Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
PS: Really sorry for bad english. English is not my mother language 🙁 .