In scopul prelungirii duratei de viata a componentelor, respectiv a integritatii datelor este important sa reducem timpii petrecuti de componente la temperaturi crescute. Microsoft ne pune la dispozitie mai multe setari ce ne pot ajuta, dar din motive de scara temporala ne vom axa pe una anume: SYSTEM COOLING POLICY.
[mai mult...]Recommendations for improving wireless signal quality in Windows
Most wireless network cards come pre-configured to reach the maximum possible speeds according to the standards supported by each individual device. Unfortunately, these default settings are not always optimal and can lead to signal loss, having a significant impact on connection speeds and stability.
[mai mult...]Using the power button (on/off) for the purpose of various fixes
The on-off button (switch) present on all laptops/PCs/servers can be used for purposes other than power on/power off/sleep/hibernate/closing the screen (or other options made available through the operating system or integrated firmware). In general, the applicability of the following method also extends to other devices that employ ram memory (and capacitors), such as smartphones or printers.
Situations that can be fixed include, but are not limited to the following examples:
-non-functional laptop keyboard
-laptop keyboard that responds incorrectly or clumsily to pressed keys
-occasionally helps with BSOD fixes
-allows the detection of devices/peripherals/components that would otherwise not be recognized (including certain SSDs, in which case it is recommended to save the data on them and replace them with a model that does not show this symptom).
Cateva situatii de intrerupere a conexiunii la retea (rj-45)
Un utilizator poate observa ca paginile web incarc greoi, nu raspund la comenzi sau apar “offline” – uneori chiar si incercarile de listare la imprimanta esueaza, desi sistemul de operare nu raporteaza probleme cu placa de retea ori conexiunea. Toate acestea intamplandu-se desi la o inspectie vizuala initiala “totul pare in parametri ori corespunzator” pe traseul fizic intre statie si router ori switch etc.
[mai mult...]Preparing the main storage device in the case of non-detection by a customized windows installation kit
Due to the design limitations of the “BIOS” (UEFI) on certain devices, we will notice that sometimes we cannot install windows on a perfectly functional storage device. Next up we will detail how the situation can be easily fixed using diskpart.
[mai mult...]Demonstrarea tehnologiei de “lampa in regim stroboscopic” (rezultat similar monitoarelor cu tub catodic)
O data cu retragerea monitoarelor si televizoarelor folosind tehnologia tubului catodic s-a creat un vid pentru utilizatorii ce doreau posibilitatea de a vedea clar obiecte sau texte in miscare pe ecran, putand sa distinga informatiile chiar si la viteze mari. Din fericire de cel putin 10 ani a fost comercializat un inlocuitor (partial, dar foarte bun), si anume implementand “lampi stroboscopice” ce se pot opri si re-porni de 60 ori pe secunda (sau mai des). In continuare vom vedea cum se poate observa acest fenomen pe la modul demonstrativ pe orice dispozitiv cu ecran.
[mai mult...]Editing values from hidden addresses in RegEdit
In some situations, we need to make changes in the registry editor at addresses that are implicitly inaccessible. Such an example can be seen in the following screenshot:
To gain access, we will need to run regedit as the “system” user – we have chosen the nirsoft AdvancedRun utility because the reputation of the creator shows a high degree of trust, including due to his long presence on the Internet.
[mai mult...]Cateva instrumente pentru observarea timpilor de tranzitie a pixelilor ecranelor
Unul dintre parametrii importanti in alegerea unui monitor tine de timpii de tranzitie ai pixelilor de la o culoare la alta. Subiectul a fost si este abordat intensiv dar acum avem ocazia sa ne raportam cu usurinta la un instrument de masurare, sau mai precis scenario comun: testele oferite de blurbusters.
Blurbusters se disting prin popularizarea terminologiilor importante pentru masurarea “claritatii imaginii in miscare”, ce depinde bineinteles de tehnologia ecranului utilizat. Momentan acestea nu prezinta interes, ci doar cunoasterea instrumentelor puse la dispozitie de catre ei.
Un exemplu ar fi celebrul test “testufo”: https://www.testufo.com.
[mai mult...]Stress testing of main storage without the use of third-party applications
An example of a useful tool in diagnosing hardware and stability problems is the (thermal) stress load of the device’s components. This is the last part and a continuation of the article “Stress test of the graphics processor (GPU) without the use of third-party applications”, instead applied to permanent storage, together with a substitute for one of the previously proposed methods.
[mai mult...]Cateva tipuri rare de probleme la bootare si rezolvarea lor
Pe anumite sisteme vom observa faptul ca fie dupa un update de windows, update de firmware (sau BIOS/UEFI), ori efectuarea manevrelor precum cea de apasare indelungata a butonului de pornire/oprire ( metodologie ) vom ajunge in imposibilitatea de a boota pe un sistem perfect functional. Din fericire pana acum aceste probleme de bootare au fost rezolvabile dupa cum se va vedea in continuare.
[mai mult...]